Newhouse Dig Diary – Day Five

In his final dig diary Dr Ryan Prescott updates us on the final day of the Newhouse excavation.

Day Five represented the final day of our excavations at Newhouse, and there was much still left to do before we wrapped up our work for the week.

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We had found it quite difficult since Monday to find the cut of the ditches from the natural, despite the clarity of their profile from outside of the trenches. While we had the JCB back on site, we thought it would be worthwhile to cut a little deeper into the ditch cuts on both Trench 1 and Trench 2 to determine more about them and their relationship to each other. Certainly, in Trench 1, we seem to have been able to find the extent of the cut and were able to record its measurements and draw sketches which will help us better interpret the nature of the earthworks as a whole. From this, it would appear that the mound was predominantly natural but had been reworked with an accompanying ditch cut around its perimeter.

Again, with the aid of our JCB, we set to work backfilling the two trenches and making sure that the site was returned as much to the state it had been in prior to our arrival. After the welfare unit had been collected, we packed up the car with our equipment, and ensured that the finds would be safely transported back to the office ready for the next phase of our project. We also had a visit from the farmer who was able to point out some other features on the broader site that he had been aware, including a much smaller mound to the north in the adjacent field which had existed until it had been ploughed out some years before.

Now that the fieldwork has been completed, we hope to bring you more information in the coming weeks about what we have found. We are hoping that the picture will become clearer in the post-excavation phase, but Newhouse has undoubtedly proven to be a site even more intriguing than we had first thought it to have been.

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Figure 1: Digging deeper into the ditch cut in Trench 1
Figure 2: The ditch profile in Trench 1
Figure 3: Trench 1 and Trench 2 were both backfilled before the end of the day

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Newhouse Dig Diary – Day Four

Dr Ryan Prescott updates us on what happened on day four of their dig

Today we have resumed our efforts in Trench 1.

The two features that garnered our attention in day three required more investigation, so we set to work to try and find the underlying cause of what was going on. We had managed to recover the pot from Trench 1 yesterday, and it remains safely packed for analysis but today we focused on the feature in the centre of the trench where the piece of leather had been found. At first, it seemed that the find had been sitting on a bed of charcoal. However, upon closer inspection (and much more digging!) it revealed to be a deposit of textile material which has remarkably survived and will provide a fantastic source of dating evidence, together with the pot. Small fragments of medieval pottery were also identified in both Trench 1 and Trench 2, as well as further pieces of flint and small animal bone.

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Figure 1: Textile remains recovered from Trench 1

Before the end of the day, we also had a visit from the Lincolnshire Historic Environment Record, as well as Peter Connelly from Humber Field Archaeology and showed our visitors what we had found so far. We have all been sharing our interpretations on what we believe may have happened at Newhouse and we have all agreed that the site is far more complex than anticipated. Previous research on the site had only acknowledged its medieval history, chiefly the construction of the abbey on the site of an ‘Anarchy’ period castle. However, it does seem that the mound may have had a much longer pedigree of human occupation which would have been an attractive prospect for Peter of Goxhill who was only too aware of the castles and monasteries which were being founded by nearby lords at Barrow and Barton upon Humber, and was keen to emulate their efforts. We are hoping that the picture will become clearer in the post-excavation phase, but Newhouse certainly has an important story to tell.

We have one more day to wrap up our work at Newhouse for this year, but we have much more work to do before we leave site, so it is shaping up to be a busy day.

Figure 2: Pottery from trench one

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Newhouse Dig Diary – Days Two and Three

Dr Ryan Prescott gives an update on what happened on days two and three.

Day Two

Day two of our investigations at Newhouse has seen us focus our efforts on Trench 2.

We spent the morning cleaning the trench and it became apparent that we were looking at two possible post holes nearer the eastern ditch of the earthwork. These were cleaned and carefully dug into before recording was then completed.

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On our first day we had unearthed a masonry slab and today we excavated around it to see if there were any other adjoining slabs. Unfortunately, it proved to have been an isolated example. It has been worked with a distinct curve, suggesting it may have been part of a doorway, likely part of the later abbey structures. Though it does not seem to have been in its original context. Nonetheless, it is a nice example which will help us date the activity on the site and build up a chronology. This is especially important as nothing from the abbey remains on the surface of the entirety of the field where we are based. This was one of the key aims of the project.

Figure 1: Two possible post holes in Trench 2
Figure 2: A masonry slab

Day Three

We are grateful to be finally benefiting from some much-needed sun. In good spirits, we returned on our third day to Trench 1 and were keen to see what the day would bring.

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Trench 1 was cleaned up and like in Trench 2, leaving it exposed over the past couple of days had really helped bring some features to light. After clearing a modern rubbish dump of bricks in the southern corner of the trench within the topsoil, we began working on a couple of areas of interest. Day one had revealed some pottery shards, and it became clear that there was more beneath the surface. After trowelling where the shards had been uncovered on Monday, we found the remains of a larger pot. Excitingly, the pot seems to be largely intact but appears to be older than the known history of the site. We also explored a potential feature in the centre of the trench where the soil appeared darker. After much digging, we discovered what appears to have been a small piece of leather, an incredible find. We recorded these two finds and importantly, safely transported them back to the site entrance before they are taken to Humberfield Archaeology for further analysis when the fieldwork has been completed.

Stay tuned to see us progress our work in Trench 1 on day 4 of our excavations at Newhouse.

Figure 3: The remains of a pot
Figure 4: A small piece of leather recovered from Trench 1

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Newhouse Dig Diary – Day One

Ryan Prescott gives an update on what happened on the first day of digging at Newhouse

The first day of our excavations at Newhouse has provided some promising results already. This week we are excavating two trenches across the earthwork identified last year from geophysical survey (please look at our aims for this year on the CST Blog).

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Trench 1 was swiftly opened with the aid of our JCB. It was hoped that this trench would help corroborate twelfth-century sources that a castle had existed prior to Newsham Abbey, founded here during ‘the Anarchy’. This trench was excavated diagonally from the west to the south-east of the earthwork in order to cut across two of its sides. However, we decided to extend our work in this trench with a perpendicular channel to the southern boundary. At a length of over 40m and 2m wide, the trench has yielded large quantities of flint, some of which appears to have been worked. We have also recovered evidence of burning and pottery finds which we will investigate further as the week progresses.

Figure 1: Trench 1 looking south.

To provide more comprehensive insight into the nature of this three-sided earthwork, Trench 2 was dug across the eastern side of the raised platform and extends from its middle into the ditch on this side at a length of around 25m, slightly longer than initially planned. At first, this trench appeared to show little of interest. Undeterred, we decided to dig deeper into the ditch, and much like in Trench 1, it is clear from this that the earthwork would have been higher than the remains which are left behind. We plan to dig deeper into this later in the week. We cleaned the rest of this trench and discovered a masonry slab, hoping to have a better view of any potential finds and features on our second day when we return to focus on this trench.

Figure 2: Trench 2 looking west with a view of the masonry slab found there.
Figure 3: The ditch being opened up in Trench 2 looking east

We are excited to see what the second day of the excavations reveals and will be posting updates as soon as we can.

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Newhouse Castle: excavation aims and objectives

Dr Ryan Prescott, project lead looks at what they hope to find at the excavations at Newhouse.

The reign of King Stephen, 1135 – 1154, commonly referred to as ‘the Anarchy,’ was marked by purported political turmoil and discord. Against this backdrop for the struggle for the throne, medieval chroniclers wrote of a surge in castle-building, seemingly in defiance of royal authority. While recent scholarship has since begun to reassess many aspects of Stephen’s reign, the archaeological dimension of these castles remains largely unexplored.

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With the support of the Castle Studies Group Small Projects Fund, a geophysical survey was carried out in the Spring of 2023 to investigate Newhouse Castle, known to have been built in North Lincolnshire amidst the conflict between King Stephen and the Empress Matilda. However, soon after its initial construction, contemporary sources indicate that the site of Peter of Goxhill’s castle was repurposed to establish a monastery, becoming England’s first Premonstratensian House, continuing to prosper until finally suppressed in 1536.

Figure 1: The results of geophysical survey conducted at Newhouse in 2023, funded by the Castle Studies Group.

On face value, the transient nature of the castle at Newhouse is typical of what we have come to recognise for ‘the Anarchy’ period, leaving much unknown about its characteristics, completion, or intended purpose. Through planned excavations made possible by a grant from the Castle Studies Trust, Dr Ryan Prescott and Humberfield Archaeology seek to achieve several key objectives in the summer of 2024:

  • Unearthing the Past: This phase of the project involves excavating the earthwork identified through geophysical survey. By examining the physical remnants of Newhouse, we hope to be able to provide evidence for its construction, size, and layout. This is a crucial step when profiling the site and attempting to determine the reasons why it was first built.
  • Dating Evidence: While historical documents offer some insights into Newhouse’s timeline, the lack of firm dating evidence leaves much to speculation. With two trial trenches planned across the monument, we aim to establish a more accurate chronology of the site, bridging the gap between written records and the physical evidence. This remains a key issue with all sites contemporary to ‘the Anarchy’ and where possible, we hope to be able to address this through the archaeological remains.
  • From Castle to Abbey: One of the most intriguing aspects of Newhouse is its rapid transition from a castle to an abbey. Through an examination of the archaeological evidence and various buried deposits present at the site, we hope to learn more about the structural changes which accompanied this transformation. Understanding how and why Newhouse evolved into Newsham Abbey is essential when interpreting the socio-political landscape of North Lincolnshire.
  • Contextual Analysis: Newhouse does not exist in isolation; it is part of a broader network of castles and religious foundations in North Lincolnshire and the Humber. By comparing Newhouse with nearby sites including the castles at Barrow upon Humber and Barton upon Humber, we aim to gain insights into the regional dynamics of lordly power during ‘the Anarchy’. How did these sites interact, compete, or cooperate in the midst of political instability? These are just some of the questions we hope to answer.
Figure 2: View of the earthwork at Newhouse looking south.

As we now enter the excavation phase at Newhouse, we will continue share our progress through blog posts, video updates, and our excavation findings when the work has been completed. We hope that our research at Newhouse will contribute to a deeper understanding of ‘the Anarchy’, and provide a much-needed local perspective into how lesser magnates, like Peter of Goxhill, expressed their wealth, power, and status through castle-building and religious patronage.

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Lowther Medieval Castle Week Four Dig Diary: Into the Labs

In Week Fourth and final week of the Lowther Medieval Castle and Village Project 2024, the team moved into the UCLan labs. This crucial phase allows us to draw together the evidence we’ve collected last year and this, from the recording of trenches to the analysis of soil samples.

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A major part of this process is the transfer of trench plans onto a Geographic Information System (GIS). During excavations, the dig team thoroughly recorded the contents of trenches in situ. This included the painstaking task of drawing the cobbled surfaces found inside the ringwork castle at 1:20 scale. Now, these hand drawings are transferred to the GIS and the outline of every cobblestone is traced digitally so that the archaeological contexts within the trenches be plotted with pinpoint accuracy.

Figure 1 Both last year and this, student archaeologists painstakingly recorded by hand the contents of all trenches
Figure 2 With hand drawings of trenches transferred to the project GIS, each component of the drawing needs to be traced digitally

Meanwhile, the team is also plotting onto the GIS hundreds of data points from around the ringwork castle taken using a Global Positioning System (GPS). This allows us to create a three-dimensional digital model of the ringwork castle, in order to investigate its form and plot the positioning and contents of trenches from this year and last, building up our picture of the castle, its features and finds.

Figure 3 Taking hundreds of data points via the GPS enables the team to construct a 3D digital model of the ringwork castle
Figure 4 Trenches from both phases of excavation can be plotted onto the 3D model of the ringwork castle using the GIS

While one cohort of student archaeologists has been busy in the computer labs, another has been hard at work processing soil samples. Throughout the excavation, the team has been collecting bulk soil samples of 40 litres from all trenches. These samples have now been processed using water flotation, in order to recover charred plant remains, as well as small bones and artefacts. This has so far yielded environmental evidence such as tiny snail shells, which can be analysed to reconstruct the surrounding environment at the time the ringwork castle was built.

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Figure 5 Dozens of soil samples have been processed using water flotation
Figure 6 Soil sample processing yields environmental evidence, such as tiny snail shells

Now that Phase Two investigations are drawing to a close, the team has also been able to take stock of the small finds garnered this year. As discussed in our last Dig Diary, this year’s finds have included cockle shells and gritty ware pottery, both of which will help us to date the castle and trace activity at Lowther in the Middle Ages. This builds on intriguing earlier finds this year of animal bones, including an articulated fetlock (discussed in our first Dig Diary this year). We can now add to this a bone bead, small but delicately carved, which looks to be dateable to the Middle Ages.

Figure 7 A small carved bone bead found during this year’s excavation

Work on analysing these finds – and the broader phase of analysis – is ongoing, and will be compiled into the project’s second interim report in due course.

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Lowther Medieval Castle Dig Diary 2024: Week One

The first week of our 2024 excavations at Lowther (Cumbria) has brought excellent progress. This year we’re focusing our efforts on two trenches. (You can catch up with last year’s excavation on the CST blog).

Trench 7 is sited on the mound at the south-eastern corner of the ringwork. This juts out from the ringwork’s circumferential bank, overlooking the settlement to the east over which the castle presided. Could this mound have held a watchtower or any other structure? Trench 7, across the top of the mound, has so far revealed a stony context, which may be the surface of the ringwork’s built-up bank. A roundish, stone-free context within the trench might be evidence of a feature but might otherwise indicate where a tree has grown in the bank and been removed. There is no clear evidence so far of a structure, but the trench has yielded an intriguing find: horse bones, in the form of an articulated fetlock (ankle) joint. Because the joint is articulated, this means that the horse’s entire fetlock was deposited on the mound (i.e. skin, flesh and bone). Further examination of the bones, potentially including carbon dating, may reveal more.

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Figure 1: Student archaeologists from UCLan excavating in Trench 7, on the south-eastern mound of the ringwork castle.
Figure 2: Jim Morris (UCLan) demonstrates the articulated horse fetlock joint discovered in Trench 7.

Meanwhile, Trench 6 has been opened over the north-eastern quarter of the ringwork castle interior. The trench also stretches eastward through the original entranceway to the castle, which is cut into the eastern bank. The goal here is to reveal much more of the original medieval cobbled floor surface discovered last year, looking for evidence of any structures. If we can find postholes around the entranceway, this might indicate a timber gatehouse (at Castle Tower, Penmaen in Glamorgan, excavations of a similar ringwork revealed evidence of a six-posted timber gatehouse). The castle’s interior may have also have held simple timber buildings, providing shelter for the castle’s guardian and their household.

Tantalizingly, by Day 5 of our dig, Trench 6 was beginning to yield potential evidence of a structure. A dark, rectangular feature is visible within the medieval cobbled surface of the castle interior. We don’t know yet whether it overlays the cobbled surface or is cut into it and, either way, whether it dates to the castle’s earliest phases. It may be that further excavations will reveal postholes, or it may be that that the structure was built simply across wooden beams, effectively floating on the cobbled surface. Hopefully, Week Two will reveal more!

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Figure 4: While stuents continue trowelling in Trench 6, Jim Morris indicates the outline of a rectangular feature.

Meanwhile, to the north of the ringwork castle, in a partner investigation supported by the Cumberland and Westmorland Antiquarian and Archaeological Society, we are conducting a geophysical survey. Last year, in Phase One investigations supported by the CST, we surveyed a large area to the east of the ringwork castle, taking in what we think is the original Lowther village, built concurrently with the castle and linked to it by a trackway. Extending our geophysical survey allows us to investigate Lowther as a broader site, extending across the promontory overlooking the River Lowther. What was on this promontory before the ringwork castle was built? How far did the village extend across the promontory? This year, then, we’re surveying at the northern end of the promontory, in the area east of St Michael’s church.

The geophysical survey has run concurrently with excavations across Week One and will hopefully provide evidence of activity at Lowther across the centuries.

Figure 6: Rob Evershed from Allen Archaeology checks through ongoing results from the geophysical survey with UCLan students

For regular updates on our investigation, follow us on Twitter/X at #LowtherMedievalCastle. You can learn more of Lowther’s history and catch up with last year’s investigation on BBC2’s Digging for Britain, Series 11 Episode 1, available on BBC iPlayer.

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Transforming our understanding of Shrewsbury Castle

With the excavation report on the third and final season of excavation which the CST has funded now published on our website, project lead Dr Nigel Baker looks at what has been achieved since the first work in 2019 to now.

Just over a century ago Shrewsbury Castle began a new phase in its long life. In 1925 its principal surviving building, having been in use as a private dwelling since the castle was finally de-munitioned in 1686, became the meeting hall of Shrewsbury Borough Council, set in extensive landscaped gardens covering the remains of the motte and inner bailey, the outer bailey having (mostly) disappeared beneath the growing town by c.1300. Shrewsbury Castle remained more or less untouched by archaeology for the remainder of the 20th century. This changed in 2019 with the award by the Castle Studies Trust of a grant for a season of geophysical survey and excavation in the inner bailey. Following permission from Shropshire Council, the site owners, and Historic England, its legal guardians, the work took place in May and July 2019, the geophysics by contractors Tiger Geo and the excavation team made up of experienced local volunteers and staff and students of University Centre Shrewsbury. The results were unexpected.

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Shrewsbury Castle Excavation 2019 showing the width of the ditch around the motte using deckchairs (copyright Dr Nigel Baker)
Arrow heads found in Shrewsbury Castle Motte Ditch (copyright Dr Nigel Baker)

Immediately under the turf was natural glacial gravel: the top of the hill on which the castle had been built; the ground surface had been lowered sometime in the past, removing nearly all archaeological remains. This was almost certainly the work of the young Thomas Telford who, from 1786 to 1790, lived in and ‘restored’ the castle for its owner, Sir William Pulteney, M.P. for Shrewsbury. However, archaeological strata were found to have survived within cuts into the natural gravel, and two of these were of major significance. The first was the edge of a previously-unknown ditch around the base of the motte. Medieval cooking-pot sherds of late 11th-13th-century date were found in its lowest excavated layers, along with two armour-piercing crossbow quarrel heads. The second significant find was of a pit containing in its fill a piece of decorated bone and two types of pre-Conquest (Saxon) pottery: Stafford-type ware, distributed widely across the emerging towns of the region and already well represented in Shrewsbury; and a limestone-tempered fabric, TF41a, never before seen in Shrewsbury, which had been made in the Gloucester area and probably imported up the Severn. This confirms that there was pre-Conquest activity on the site of the castle, and, along with the Domesday evidence that there was a church of St Michael there by 1086, may point in the direction of a high-status pre-Norman presence on this tactically-significant site controlling access to the ancient borough.

Shrewsbury Castle Excavation 2020 (copyright Dr Nigel Baker)

Excavation resumed in the autumn of 2020 with a trench seeking a sample profile through the west rampart of the inner bailey. This turned out not to be medieval in date. Both the west and the north rampart were probably created as part of Thomas Telford’s landscaping work in 1786-90. But, intriguingly, below the west rampart there was no sign within the trench of the natural hilltop gravel found close by in 2019 at a depth of just a few centimetres. The explanation may be that the bailey was enlarged westwards between the Norman period and the later medieval period, by dumping soil and levelling-up behind a new curtain wall.

Shrewsbury Castle Excavation 2022 on the motte top (copyright Dr Nigel Baker

The final season of excavations took place in 2022 on the top of the motte, and outside the north curtain wall. Telford is known to have demolished ruined medieval buildings on the top of the motte and replaced them with the surviving two-storey Gothic summerhouse there. Excavation showed that Telford’s activities had, again, removed most of the archaeology but that the foundations of early medieval timber buildings (beam slots, a post pad, post holes) survived where they had been cut into the motte material. No definite trace was seen of the ‘great wooden tower’ which is documented on the motte top until its collapse in 1269-71.

New light was also shed on the motte by vegetation clearance on its south side, revealing for the first time remains of buildings incorporated in the masonry of the retaining walls. This work was undertaken on behalf of Shropshire Council for a new conservation-management plan, currently at consultation stage, which includes photogrammetric surveying of all the castle structures. This permanent stone-by-stone record not only forms the basis for the next vital stage of work – identifying and specifying long-needed repairs – it also offers new archaeological insights, including the identification of the probable primary sandstone rubble fabric of the curtain walls. This was in turn followed by some research carried out by Jason Hurst on Civil War musketry damage in 2023 (Potential shot damage at Shrewsbury Castle – Castle Studies Trust Blog) . And now, the process of publishing this body of new archaeological, architectural and historical information is just beginning…

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Lowther Dig Diary Three: Digging up the historical evidence of Lowther medieval castle and village

In part three of our dig diary, project lead Sophie Ambler talks about another type of digging, not of holes in the ground by through the archives to discover what if any historical evidence there is for Lowther.

Whilst the archaeologist are at work on site at Lowther, I’m attempting to piece together the site’s history from the documentary evidence.

Our biggest challenge is tracing the origins of Lowther’s medieval castle and village, which we think date to the late eleventh or early twelfth century. For most of England, historians have a phenomenal source for settlement in the eleventh century: Domesday Book. This was William the Conqueror’s enormous survey of landholding, compiled in 1086. It gives various details, settlement by settlement, such as landholders, land under cultivation, notable buildings and households (for an introduction to Domesday and the latest research, listen to this BBC History Extra podcast by Professor Stephen Baxter). Domesday thus helps historians to trace the process by which the Normans conquered England over the twenty years from 1066.

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Frustratingly for us, the area of modern Co. Cumbria doesn’t appear in Domesday Book. Because this region wasn’t conquered by William I, it found no place in the Domesday survey. As discussed in our project’s first Dig Diary entry, the region was only conquered in 1092, by William the Conqueror’s son, William Rufus. The Anglo-Saxon chronicle states that William Rufus, following his campaign of conquest, ‘sent many peasant people with their wives and cattle to live there and cultivate the land’. This was, effectively, a process of Norman colonisation. We’re hypothesising that the ringwork castle earthwork and village at Lowther date to this era.

What was this region like when the Normans arrived in 1092? Here, historians have worked hard from patchy evidence for the Kingdom of Cumbria in the tenth and eleventh centuries. This was a Brittonic kingdom (distinct from the Anglo-Saxon kingdom of the south) but, as Professor Fiona Edmonds has described, parts of the kingdom were ‘multi-lingual and multi-cultural’ (including settlers we might think of as ‘Vikings’ and their descendants). These groups were encompassed by the term ‘Cymry’ (‘inhabitants of the same region’), from which the names Cumbria and Cumberland derive.

Who were the settlers dispatched in 1092 by William Rufus to colonise the Kingdom of Cumbria? There’s no hard evidence, but Dr Henry Summerson has suggested (in his book Medieval Carlisle) that they hailed from Lincolnshire. This theory has found some support from the late Professor Richard Sharpe, although he noted that evidence for a Lincolnshire connection dates to around 1100, so may represent a second wave of settlement.

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Our first major evidence for Norman rule of the region comes in 1130, under King Henry I (William Rufus’ brother). This is found in a Pipe Roll – a record produced by England’s central government detailing the Exchequer’s annual audit, so-called because the parchment membranes were sewn together at the top and rolled up to look like a pipe (read more on the Pipe Roll Society website). The first surviving Pipe Roll dates to 1130. Professor Sharpe used this and other evidence to reconstruct the early Norman administration of the region. He concluded that the Normans formed the shires of Cumberland and Westmorland out of the old Kingdom of Cumbria by 1130, and were administering these shires under the aegis of central government. Even then, however, both counties were run ‘as a territorial unit’ rather than shires proper, overseen by an administrator rather than fully-fledged sheriffs. (You can read Professor Sharpe’s analysis in full here). This is perhaps not surprising, given that in southern England the Normans could co-opt the governmental systems of the Anglo-Saxon state, including shires and shire courts. Cumbria was a different beast.

Is this all to say that written evidence can’t tell us much about the Norman conquest of Cumbria in general, or about our site in particular? Yes and no. It does highlight the importance of archaeological investigation in filling the gaps in written evidence – and suggests how findings from the Lowther Castle and Village project could be significant to both historians and archaeologists in tracing the process of Norman conquest and colonisation and its realities on the ground. On the other hand, we do have written evidence for the Lowther site dating from the thirteenth century onwards, which we can use together with the archaeology to trace the site’s biography. More of this in a forthcoming post!

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Follow the project on Twitter via the hashtag #LowtherMedievalCastle.

What is on top of Shrewsbury’s Motte?

Dr Nigel Baker, Excavation Director of the Shrewsbury Castle Excavation 2022 outlines what he hopes him and his team hope to find over the next two weeks with the main focus on the previously unexplored motte.

A third season of excavation funded by the Castle Studies Trust is about to begin at Shrewsbury Castle. In 2019 a trench was excavated across the interior of the inner bailey and in 2020 an inner bailey rampart was sampled. Attention has now turned to the top of the motte, and to the north curtain wall. The excavations, the first ever to take place at the castle are carried out by a team of local archaeological volunteers under the direction of Dr Nigel Baker and David (Dai) Williams together with students of University Centre Shrewsbury (University of Chester) led by Dr Morn Capper.

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The motte top excavation will establish just how much damage Thomas Telford did to the medieval motte when he was modernising the hall and landscaping the castle in 1786-1790. Ruins on the motte top were cleared to make way for a Gothic summerhouse known as Laura’s Tower, with a garden laid out around it. The team will be looking in particular for surviving evidence of the Tower of Shrewsbury, the timber watch-tower, assumed to be of 11th-century origin, that is known to have collapsed in 1269-71.

Vertical view of Shrewsbury Castle Motte (copyright James Brennan Associates)

The irregular plan of the motte top seen in the drone photo (undertaken by James Brennan Associates for the current conservation management plan for Shropshire Council, the site owner) arises from a number of factors. Originally probably oval, the straight line across the bottom of the picture is a pale sandstone wall with red sandstone stripes built, probably by Edward I’s masons, across the damaged side of the motte after a landslip into the river below in the 13th century. Laura’s Tower occupies the bottom left corner, set off-centre on the base of a 13th-century tower demolished by Telford. The lobed shape of the motte on the left of the photo results from at least two phases of medieval building incorporated in the retaining walls: an angled structure with a high chamfered plinth and recessed masonry panels, superimposed over a projecting curving rubble footing. These remains were seen and recorded for the first time this year as part of the ongoing CMP work.

A second trench is to be opened on the north curtain wall. A long stretch of this wall is unusually consistent in its fabric, with small, squared rubble and two offset courses. 18th-century illustrations show however that a projecting bastion formerly stood in this area, of which no trace can be seen in the standing masonry. The suspicion is that a major part of the wall here has been rebuilt, and the trench is designed to explore this question – and to establish the nature of the surrounding stratigraphy.

Part of the north curtain wall of Shrewsbury Castle. The even coursing apparent over this long stretch of masonry is at odds with the complex fabric visible elsewhere in the wall and with 18th and early 19th-century illustrations showing a projecting bastion in this area. Excavation will seek to confirm whether or not this stretch has been rebuilt, and to locate in plan the features seen in the illustrations. Copyright Nigel Baker

In addition to an introductory display to be mounted in the on-site marquee, there will be two further displays in the town running concurrently with the excavations. In Shrewsbury Museum & Art Gallery in the Square, Dr Capper’s team is assembling a display featuring artefacts found in the first two seasons, while in Castle Gates Library (the former Grammar School buildings) a display is in place that explores the evidence for the former castle outer bailey, within whose perimeter the library stands.

The excavations run from July 18th to 28th. Visitors are welcome every day except those when the castle is closed (Thursday 21st and Thursday 28th).

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