St Albans South Signal Box is a Grade II listed building in the St Albans local planning authority area, England. First listed on 23 February 1979. Signal box. 1 related planning application.

St Albans South Signal Box

WRENN ID
errant-keystone-spring
Grade
II
Local Planning Authority
St Albans
Constituency
St Albans MP: Daisy Cooper (LD)
Country
England
Date first listed
23 February 1979
Type
Signal box
OS grid reference
TL 155 068
Coordinates
51.74881, -0.32783
Source
Historic England listing

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

Description

St Albans South Signal Box is a 19th-century structure built in 1892. It is a Midland Railway signal box designed in a three bay type. The building features a timber frame with a weather-boarded ground floor, where the outer bays contain small framed windows. The first floor is fully glazed, consisting of two bays with three lights each and one bay with two lights, all featuring small paned sliding casement windows. The roof is hipped and covered with slate. Access to the first floor side entrance is provided by a wooden flight of steps with plain bannisters. Additionally, there is an iron bracketed balcony at the front. This signal box is noted for being a well-preserved example of a three bay Midland Railway signal box.

Local climate

St Albans South Signal Box 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 89% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 87% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 61% of listed buildings. Of these, 15 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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