Aberdulais Lock on Tennant Canal is a Grade II listed building in the Neath Port Talbot local planning authority area, Wales. First listed on 29 January 1980. Canal lock.

Aberdulais Lock on Tennant Canal

WRENN ID
calm-alcove-rook
Grade
II
Local Planning Authority
Neath Port Talbot
Constituency
Neath and Swansea East MP: Carolyn Harris (Lab)
Country
Wales
Date first listed
29 January 1980
Type
Canal lock
Address
Aberdulais Lock on Tennant Canal, Blaenhonddan
OS grid reference
SS 772 992
Coordinates
51.67879, -3.7767
Source
Cadw listing

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

Description

Aberdulais Lock on the Tennant Canal is a lock chamber featuring parallel walls made of coursed stone. The wooden lower lock gates are still intact. Although the rebate for the upper lock gates is present, it has been replaced by a wall.

Local climate

Aberdulais Lock on Tennant Canal 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

Sign in or create a free account to unlock:

  • 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
Create free account

Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.

Similar buildings

The closest matches to this building from all 493,000 UK listed buildings, by architecture, period and materials.

See all similar buildings →

this building   1 similar   nearby listed buildings

Nearby listed buildings

  1. Lock keeper's and toll collector's office at SW end of Aberdulais Aqueduct Grade II 10 m
  2. Aberdulais Aqueduct (partly in Tonna community) Grade II* 14 m
  3. Aberdulais Viaduct (partly in Blaenrhonddan community) Grade II 40 m
  4. Aberdulais Viaduct (partly in Tonna community) Grade II 59 m
  5. Aberdulais Aqueduct (partly in Blaenhonddan community) Grade II* 64 m
  6. Railway bridge on NE side of Railway Tavern Grade II 111 m
  7. Old Works Library at Aberdulais Falls Tinplate Works Grade II 153 m
  8. Aberdulais Basin at the head of the Tennant Canal Grade II 156 m
  9. Remains of tramroad bridge at Aberdulais Falls Tinplate Works Grade II 173 m
  10. Former Stables at Aberdulais Falls Tinplate Works Grade II 187 m