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Anglo Saxon Chronicles - 914AD - Alfred the Great and the Burghal Hideage
 
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From Wikipedia
After his victory over the Danes at the Battle of Edington (878AD) and the departure of another Viking army from Fulham in 880AD, Alfred the Great set about building a system of fortified towns or forts, known as burhs, in response to the Viking threat. These burhs included former Roman towns (where stone walls were repaired and perimeter ditches sometimes added), temporary forts and substantial new towns.

The Burgal Hidage is a collection of a number of medieval texts that describe the location of defensive forts around the state of Wessex during the time of Alfred the Great. The document was named the Burghal Hidage by F. W. Maitland in 1897 after a great deal of research into the subject.

The documents list the major defensive forts anti clockwise around Wessex starting at the unproven location of 'Eorpeburnan' somewhere on the Kent,Sussex or Surrey borders and ending at the last fort in the list at Southwark on the Thames .

The Anglo Saxon word Burgh or more correctly Burh describes a defensive position or fort usually on a hill with a defensive ditch and bank topped with wooden walls and an internal regular layout to help the defenders. These Burhs were mostly built during the reign of Alfred the Great to defend Wessex against the Viking invaders.

Each Burh has a number of hides associated with it, which describes the size of the Burh and its defensive population.


Size of the Forts
 
The original starting text reads
To anes æcere bræde on Ɵealstillinge 7 þære Ɵære gebirirgeað. xvi hida Gif ælc hid byþ be anum men gemannod þonne mæg man gesettan ælce gyrde mid feoƟer mannun. þonne gebyreð to tƟentigan gyrdan on Ɵealstillinge. hundeahtatig hida.
This translates to
For one acre breadth of wall-setting & manning is required 16 hides, if each hide is one man, then the manpower to be set for each pole is with four men. Then is required for twenty poles of wall- setting eighty hides.

with the finishing text reading
Gif se ymbegang mara biþ. þonne mæg man eaþe þone ofereacan geþencan of þisse tale for þon ealning to anum furlange gebyreð sixtig manna. 7. c. þonne biþ ælc gyrd mid feoƟer mannum geset
This translates to
If the surrounding is greater, then the manpower can easily be reckoned from this assessing, since there is always required for one furlong breadth sixty men & 100; then each pole is set with four men.

This means that from the first statement:
An acres width of wall(aprox 208ft) needs 16 hides to build - this equates to about 13ft per hide, but this appears to be the construction dimensions.
A pole of wall(16.5 ft) requires 4 defenders and 20 poles requires 80 men, and 1 defender is required for each 4ft of wall which is provided by 1 hide.

Therefore a hide defends 4ft of wall

From the table shown above the Hastings Burh of 500 hides would have a wall of 125 poles so about 2000ft(aprox 610mtrs) of wall which would enclose a 500ft square of land(2.3 hectares) which would have needed a garrison of 500 men to defend, and provide a refuge to an additional 3,938 people.

Please Note
The figures for the refugees below are calculated using the following assumptions
  • For simplicity of calculation, assume the burh was roughly square. This gives the length of one side as Perimeter / 4.
  • That each person requires about 4 square metres of space for themselves and their belongings to account for small livestock (like chickens, goats, or a few sheep), personal belongings, and essential movement within the packed crowd.
  • The available space is only 70% to allow for essential infrastructure that made the refuge functional: the main streets for moving defenders, the central garrison area, water sources, storage pits for grain, and likely a designated livestock pen for larger animals that couldn't be kept with families.


Wall length Area Population
hides ft mtrs sq mtr hectares garrison refugees
Eorpeburnan 324 1296 395 9753 0.98 324 1,651
Hastings 500 2000 610 23226 2.32 500 3,938
Lewes 1300 5200 1585 157006 15.70 1300 26,618
Burpham 720 2880 878 48161 4.82 720 8,165
Chichester 1500 6000 1829 209032 20.90 1500 35,438
Portchester 500 2000 610 23226 2.32 500 3,938
Southampton 150 600 183 2090 0.21 150 354
Winchester 2400 9600 2926 535122 53.51 2400 90,720
Wilton 2400 9600 2926 535122 53.51 2400 90,720
Chisbury 700 2800 853 45522 4.55 700 7,718
Shaftesbury 700 2800 853 45522 4.55 700 7,718
Twynam (Christchurch) 470 1880 573 20522 2.05 470 3,479
Wareham 1600 6400 1951 237832 23.78 1600 40,320
Bridport 760 3040 927 53661 5.37 760 9,097
Exeter 734 2936 895 50052 5.01 734 3,424
Halwell 300 1200 366 8361 0.84 300 1,418
Lydford 140 560 171 1821 0.18 140 309
Pilton 360 1440 439 12040 1.20 360 2,041
Watchet 513 2052 625 24449 2.44 513 4,135
Axbridge 400 1600 488 14864 1.49 400 2,520
Lyng 100 400 122 929 0.09 100 158
Langport 600 2400 732 33445 3.34 600 5,670
Bath 1000 4000 1219 92903 9.29 1000 15,750
Malmesbury 1200 4800 1463 133780 13.38 1200 22,680
Cricklade 1500 6000 1829 209032 20.90 1500 35,438
Oxford 1400 5600 1707 182090 18.21 1400 35,438
Wallingford 2400 9600 2926 535122 53.51 2400 90,720
Buckingham 1600 6400 1951 237832 23.78 1600 40,320
Sashes 1000 4000 1219 92903 9.29 1000 15,750
Eashing 600 2400 732 33445 3.34 600 6,237
Southwark 1800 7200 2195 301006 30.10 1800 51,030
Worcester 1200 4800 1463 133780 13.38 1200 22,680
Warwick 2400 9600 2926 535122 53.51 2400 90,720

Likely Locations of the Burh's

The images below are made up from, to the left, based on Google My Maps overlayed with the fort area, those to the right are from the National Library of Scotland with the 'OS Six inch map 1888-1915' overlayed with a 'Lidar DSM 1M' lidar image.
 
Eorpeburnan -324 hides

Eorpburnan originally spelt in the hideage as eorþ burnan translates to the earthy stream
My suggestion of a likely location is modern Orpington which translates from eorþ ing tun translating as the earth fort on the hill.

This is based on the etymology of the name, and also its location between the Forest of Andredsweald and the Burh at Southwark which would make it a strategic position to block passage between Andredsweald and the Thames. This area was probably more heavily populated than areas of South Kent as suggested by academics for Newenden.

There is no hard evidence for the location of the Burh, but two other sites have been proposed, based on an interpretation of the Anglo Saxon Chronicles record from 892AD when the Vikings destroyed an unfinished fort close to Appledore.

Castle Toll at Newington on the Eastern Rother in South Kent.
'Castle Toll is a small motte and bailey on a promontory into the Eastern river Rother.'
My thoughts are that this is an unlikely location for the following reasons:
  • It is right on the edge of Andredsweald and is also only 10 miles from the Hastings Burh which would have been in the old Kingdom of Hastings.
  • The size of the motte and bailey would seem to be too small for the Burh.
  • This fort was recorded as destroyed so it would have to be a fast rebuild to have it ready for the Hideage.
  • he Vikings destroyed the fort and then setup camp in Appledore, this implies the fort was nearer the coast, and Newenden is further inland.



Hastings
 
The Burh at Baldslow Down Hastings
Hastings - 500 hides
The fort was probably at Baldslow down which derives from baels hleow dun meaning the fire refuge on the hill

The shaded area in orange is 628 metres around which is close to the calculated 610 metres. This fort could have held about 3,938 refugees and 500 soldiers.

This area is on a hill with good views all round and steep sides, and is on the old Ridgeway from Fairlight to Crowborough.

The Lewes Burh on Offham Down
Lewes - 1300 hides
The fort was probably on Offham down, the name derives from Lewes hleow eas meaning the refuge on the river

The shaded area in orange is 1370 metres around which is close to the calculated 1585 metres. This fort could have held about 26,618 refugees and 1300 soldiers.

This area is on a high hill overlooking the river, but has lost some of its area due to chalk mining.


Burpham
 
Burpham - 720 hides
Burpham from burþ ham which translates to the fortress settlement in the valley

The shaded area in orange is 881 metres around which is close to the calculated 878 metres. This fort could have held about 8,165 refugees and 720 soldiers.

This area was on a promontary into the river Arun which would mean that only one side was on the land, the river has eroded a lot of the original land outside the fort.


Chichester - 1500 hides
 
Chichester Burghal Hideage Fort
Chichester derives from chyee ceaster which translates to the roman fortress of the Crows
The area covered by the image is the boundary of the old Roman fortress which has a boundary of 2140m and an area of 34.4 hectares.
 

Portchester - 500 hides
 
Portchester Burghal Hideage Fort
Portchester derives from port ceaster which translates to the roman fortress with the harbour. The area covered by the image has a boundary of 740m and an area of 3.42 hectares.
 

Southampton - 150 hides
 
Possible Southampton Burghal Hideage Fort
Southampton derives from suþ þam tun which translates to the southern wet place on the hill
Please Note: It is difficult to identify a site in Southampton due to the sheer number of buildings that have been erected since 914AD. However I have noticed that the Burhs are sometimes on playing fields, and this one is called Hoglands that may have been derived from 'Hleow land' meaning the land where the burh is, so that is my Guess. There seem to be ground marks on the Google maps where the orange patch is located.. The area covered by the orange image has a boundary of 198m and an area of 0.24 hectares.
 

Winchester - 2400 hides
 
Winchester Burghal Hideage Fort
Winchester derives from win ceaster which translates to the roman fortress of the wine
The area covered by the image is the boundary of the old Roman fortress which has a boundary of 3000m and an area of 58.6 hectares.
 

Wilton - 1400 hides
 
Wilton Burhghal Hideage fort
The most likely location for this fort was at Old Sarum the old Roman fort on the junction of two major Roman roads. The area covered by the image has a boundary of 1.4km and an area of 15.0 hectares
 

Chisbury - 700 hides
 
Chisbury Burghal Hideage Fort
Chisbury derived from 'cise byrg' - the cheese fort
The most likely location for this fort was at Chisbury Camp an old Iron Age fort.The area covered by the image has a boundary of 866m and an area of 4.92 hectares.
Shaftesbury 700 hides
The most likely location for this fort was at Shaftesbury Castle an old Iron Age fort

Twynam (now called Christchurch, Dorset) 470 hides
The most likely location for this fort was on 'St Catherines Hill' an old Roman signalling station

Wareham 1600 hides
The most likely location for this fort was in Wareham itself, wær ham meaning sea valley settlement

 

Bridport - 760 hides
 
Bridport Burghal Hideage Fort
probably located on Sloes Hill which is likely to be derived from eas hloes hyll which translates to the riverside refuge on the hill
Exeter 734 hides
The most likely location for this fort was the Roman fort in Exeter(Isca)

 

Halwell - 300 hides
 
Halwell Burghal Hideage Fort
The most likely location for this fort was the hill fort at Stanborough Camp, stane borough means the stone fortress, or the fortress on the roman road. The area covered by the image has a boundary of 345m and an area of 0.91 hectares.
 

Lydford - 140 hides
 
Lydford Burghal Hideage Fort
The most likely location for this fort at Lydford is on ths small hill near to Eastern Cleve wood, on modern maps is marked as Lydford Norman ringwork. The area covered by the orange area has a boundary of 190m and an area of 0.27 hectares.
Pilton 360 hides
The most likely location was an old iron age fort called RoboroughCamp who's name could have derived from the Saxon hleow borough meaning the old roman fort refuge

Watchet 513 hides
The most likely location was an old iron age fort called Dawes Castle

Axbridge 400 hides
The fort was probably on 'Callow Hill' which derives from Cal hleow Hyll meaning cabbage refuge hill

 

Lyng - 100 hides
 
Lyng Burghal Hideage Fort
This location must be near Athelney where Alfred the Great fled in 878AD this small fort is most likely located on Burrow mump - which was Burh hleow munt - meaning the fort refuge on the mound. The area covered by the image has a boundary of 117m and an area of 0.94 hectares
 
Langport - 600 hides
Meaning the long port as the sea reached here in the times of Wessex. The fort was most likely to be found in the location of Combe quarry but any evidence would be long since removed.
Bath1000 hides
The location for the Burh is in the old Roman center of the town.

Malmesbury1200 hides
Probably on the Holloway road translated from hoh hleow ǽ which means the promontory refuge on the river

Cricklade 1500 hides
The fort was most likely in Cricklade - the name derives from crycc gelad which means the strong stick road, which refers to the well built straight Roman Ermin Street from Speen to Cirencester that crosses the Thames at this point.

Oxford 1400 hides

Wallingford 2400 hides
The fort was most likely in the town where the current town walls are.

Buckingham 1600 hides

Sashes 1000 hides

 

Eashing - 600 hides
 
Eashing Burghal Hideage Fort
 
The fort was most likely at Peper Harow as this derives from piþa hár hleów meaning the old pith refuge . The likely location is on Warren Hill just above the river Wey. The area covered by the image has a boundary of 690m and an area of 3.93 hectares.
Southwark 1800 hides
The fort was probably somewhere near Crystal Palace or the high ground near Forest Hill, but modern buildings would have removed any evidence

Worcester 1200 hides
The fort was most likely near Hallow park which derives from har hleów meaning the the old refuge

Warwick 2400 hides
The fort was most likely near Woodloes farm which derives from wudu hleów es meaning the the people of the wood refuge
 

Map of the Burghal Hideage Forts 
 
Boundary of the Burghal Hideage Forts This Google map shows the location of the forts, we have joined the outer forts to get an approximation of the area that Wessex occupied at this time. See below for a more likely boundary
 

Map of the probable Boundary of Wessex AD914
 
Map of the probable boundary of Wessex 914AD This Google map shows the most likely boundary for Wessex.
Political layout of Britain in early 900AD This map shows the Political layout of the country in 880AD showing the location of Alfred's Burhs in relation to the surrounding Kingdoms.

The red line shows Offas Dyke built to defend Mercia from the Welsh, but by the time of this map Mercia had been absorbed into the Viking controlled areas.

As you can see, the boundary of Wessex is surrounded by Burhs, with others inside these boundaries, this would imply a massive build up of defenses, however a lot of these locations were already old Celtic Hillforts, this reduced building costs for Wessex and increases the speed at which these defenses can be incorporated.
 
Possible Anomalies

Kent was under the control of Wessex from after the Battle of Ellendun in 825AD, so if the rest of Wessex had Burhs, why not Kent ?

Is it just that these were being constructed ? the Anglo Saxon Chronicles suggest that the Viking Grand army who overwintered in Appledore destroyed a fort under construction possibly at Kenardington in South Kent.

So this is unlikely to be the Eorpeburnan described in the Burghal Hideage in the early 900's as the size of this fort was described, and it is unlikely a destroyed fort would have been recorded in the Hideage.

This argument can also be applied to a theoretical fort at Castle Toll Newenden which has been suggested was Eorpeburnan.





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Author Simon M - Last updated - 2026-01-27 16:21:09
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