Old Harbour Wall is a Grade II listed building in the Northumberland local planning authority area, England. Harbour wall. 1 related planning application.
Old Harbour Wall
- WRENN ID
- sheer-tin-pigeon
- Grade
- II
- Local Planning Authority
- Northumberland
- Constituency
- North Northumberland MP: David Smith (Lab)
- Country
- England
- Type
- Harbour wall
- Address
- Old Harbour Wall, Garden Terrace, Alnmouth
- OS grid reference
- NU 244 104
- Coordinates
- 55.38737, -1.61516
- Source
- Historic England listing
Description
The Old Harbour Wall is a Grade II listed structure, likely built in the 18th century. It is constructed from large squared stones and features a coping made of large irregular slabs. The wall stands 0.8 metres high as it runs west from Garden Terrace, then turns north alongside the tidal flats, where this section rises to 1.8 metres high externally and 0.8 metres internally. The final section of the wall turns westwards and then north again, with a rebuilt upper part that has gabled coping, ending in a rough ramp-down. The overall length of the wall is 250 metres. This structure is included in the listing for its historical significance, as Alnmouth was an important corn port in the 18th century. The harbour became silted after a flood in 1806, which altered the course of the River Aln.
Local climate
Old Harbour Wall receives an average of 840 mm of rain a year. This makes it wetter than 56% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 55% of listed buildings.
It experiences an average of 8 freeze-thaw cycles a year, fewer than 94% of listed buildings. Of these, 5 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.
More on this building
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- No EPC on record for this property
- No sale records on file
- Related listed building consents — 1 application
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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