Pillbox at Filton Airfield is a Grade II listed building in the South Gloucestershire local planning authority area, England. First listed on 5 March 2014. Pillbox.

Pillbox at Filton Airfield

WRENN ID
ragged-joist-jackdaw
Grade
II
Local Planning Authority
South Gloucestershire
Constituency
Filton and Bradley Stoke MP: Claire Hazelgrove (Lab)
Country
England
Date first listed
5 March 2014
Type
Pillbox
OS grid reference
ST 597 800
Coordinates
51.51777, -2.58097
Source
Historic England listing

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

Description

The Pillbox at Filton Airfield is a non-standard pillbox from the Second World War, likely built in 1940. It is made of brick and features concrete embrasures with iron shields, along with a concrete roof.

The structure has a rectangular shape with canted corners at the northeast and southwest. There is a low projecting blast entry at the southeast corner, and the interior is divided into two areas by a brick partition.

On the exterior, the pillbox has two rectangular embrasures on each side, positioned at different heights, and each has concrete lintels and sills. The brickwork around the southeast corner embrasure is partially collapsed, exposing more of the iron shield. Both the main structure and the blast entry have concrete roofs.

Inside, at the north end, there is a brick pier that supports an iron machine gun mounting set on a concrete plinth.

Local climate

Pillbox at Filton Airfield receives an average of 850 mm of rain a year. This makes it wetter than 58% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 62% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 63% of listed buildings. Of these, 12 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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