Castle Including South West Moat Bridge is a Grade I listed building in the Breckland local planning authority area, England. First listed on 16 July 1958. A 1140's (12th century) Castle.

Castle Including South West Moat Bridge

WRENN ID
bitter-minaret-river
Grade
I
Local Planning Authority
Breckland
Constituency
Mid Norfolk MP: George Freeman (Con)
Country
England
Date first listed
16 July 1958
Type
Castle
Period
1140's (12th century)
Address
Castle Including South West Moat Bridge, Old Buckenham
OS grid reference
TM 084 904
Coordinates
52.47175, 1.06772
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The remains of a castle keep, dating from the 1140s and possibly completed by 1146, are located in Old Buckenham. The structure features whole coursed flint walls and has a circular plan with an internal cross wall that runs from the north-east to the south-west. The walls of the keep survive to the first floor level of this two-storey building. The entrance arch to the ground floor is from the 15th century, but there is an original pointed arched doorway through the cross wall. This keep is likely the earliest circular keep in England.

Additionally, there is a moat bridge from the 13th century made of ashlar, flint, and brick, with some of the brick dating to the early 15th century, while most is from the 19th century. The bridge features a parapet over an arched opening. The site is designated as a Scheduled Ancient Monument, with the county number 8.

Local climate

Castle Including South West Moat Bridge sits in a drier-than-average part of the UK, with an average of 710 mm of rain a year. This makes it drier than 86% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 96% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 62% of listed buildings. Of these, 16 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

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