Allerford New Bridge at Ngr Ss 8999 4666 is a Grade II* listed building in the Exmoor National Park local planning authority area, England. First listed on 22 May 1969. A C18 Bridge. 1 related planning application.

Allerford New Bridge at Ngr Ss 8999 4666

WRENN ID
little-threshold-bistre
Grade
II*
Local Planning Authority
Exmoor National Park
Constituency
Tiverton and Minehead MP: Rachel Gilmour (LD)
Country
England
Date first listed
22 May 1969
Type
Bridge
Address
Allerford New Bridge at Ngr Ss 8999 4666, Selworthy, Somerset, TA1 4DY
OS grid reference
SS 899 466
Coordinates
51.20849, -3.57622
Source
Historic England listing

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

Description

Allerford New Bridge is a road bridge over Horner Water, with medieval origins and dating from the 18th century. It is constructed from local stone random rubble and features a single span flanked by cutwaters that have half arch spans. The bridge has a pointed arch opening made with dressed stone voussoirs, and the cement-capped cutwaters rise almost to the parapet. The half arches abut and are partially filled on the cutwater side, with cement saddle back coping on the parapet that ramps up to the center. The bridge is also a Scheduled Ancient Monument, listed as Somerset County No 230.

Local climate

Allerford New Bridge at Ngr Ss 8999 4666 sits in a wetter-than-average part of the UK, with an average of 1,150 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.

It experiences an average of 10 freeze-thaw cycles a year, fewer than 91% of listed buildings. Of these, 4 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
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