Lock House is a Grade II listed building in the Neath Port Talbot local planning authority area, Wales. First listed on 25 February 2000. House.
Lock House
- WRENN ID
- dim-chalk-owl
- Grade
- II
- Local Planning Authority
- Neath Port Talbot
- Constituency
- Neath and Swansea East MP: Carolyn Harris (Lab)
- Country
- Wales
- Date first listed
- 25 February 2000
- Type
- House
- Address
- Lock House, Neath Canal Depot, Tonna, SA11 3DZ
- OS grid reference
- SS 769 987
- Coordinates
- 51.67433, -3.78066
- Source
- Cadw listing
Description
Lock House is a 2-storey, double-depth house featuring roughcast walls painted white, late 19th century plate glass sash windows, slate roofs, and roughcast end stacks. The main entrance, located on the west side, has twin gables and faces the bottom of a steep track leading from the village. It includes a central boarded door with an overlight, flanked by windows on the lower left and right. The canal-facing side of the house has two windows, while the south wall features a single window on each storey. At the rear, which faces a yard on the east side, there is a half-lit door to the left and an added low gabled porch to the right, which includes a boarded door and a centrally replaced window. The upper storey has two sash windows. The property has not been inspected.
Local climate
Lock House sits in one of the wettest parts of the UK, with an average of 1,380 mm of rain a year. This makes it wetter than 97% 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 28 freeze-thaw cycles a year, fewer than 69% 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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- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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Nearby listed buildings
- Stable at Neath Canal Depot
- Lock and overbridge at Neath Canal Depot
- Wood seasoning shed & saw pit at Neath Canal Depot
- Workshop, store and smithy at Neath Canal Depot
- Nazareth Chapel
- Tyn yr Heol
- Church of St Anne
- Aberdulais Viaduct (partly in Blaenrhonddan community)
- Lock keeper's and toll collector's office at SW end of Aberdulais Aqueduct
- Aberdulais Lock on Tennant Canal