Forden Signal Box is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 28 March 2014. Signal box.
Forden Signal Box
- WRENN ID
- tenth-chapel-ochre
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 28 March 2014
- Type
- Signal box
- Address
- Forden Signal Box, Forden with Leighton and Trelystan
- OS grid reference
- SJ 218 005
- Coordinates
- 52.59751, -3.15495
- Source
- Cadw listing
Description
Forden Signal Box is a two-storey structure built from brick and timber boarding. It features a projecting plinth and a glazed gallery with horizontally sliding windows on the trackside elevation and gable returns. A continuous dark blue brick string and plinth course banding runs below the gallery. The gabled slate roof has deep eaves, wave pattern barge boards, and gable finials.
On the main (east) trackside elevation, there are two round-headed small pane cast iron windows on the brick ground floor, which have stone cills at plinth level and window heads that align with the string course. Above, the glazed gallery contains four sliding cross windows. The north elevation has a projecting timber first floor with a single window and is open to the left, featuring timber steps and handrails. The gallery continues behind with a part glazed panelled door to the right. The north elevation also includes a return of the gallery with two sliding windows and one fixed window. The rear (west) elevation is made of plain banded brick and has a projecting boarded upper floor to the left.
Both floors have been converted; the locking room below is now a workshop, while the lever room above retains its timber floor with a division for the former lever frame.
Local climate
Forden Signal Box receives an average of 900 mm of rain a year. This makes it wetter than 67% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 58% of listed buildings.
It experiences an average of 42 freeze-thaw cycles a year, more than 81% of listed buildings. Of these, 23 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
- No related consent applications matched
- 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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