Lower Lock Chamber to W of No 1 THe Locks is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 5 April 1993. Culvert.

Lower Lock Chamber to W of No 1 THe Locks

WRENN ID
watchful-cellar-myrtle
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
5 April 1993
Type
Culvert
Address
Lower Lock Chamber to W of No 1 THe Locks, Carreghofa
OS grid reference
SJ 253 202
Coordinates
52.77452, -3.10776
Source
Cadw listing

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

Description

The Lower Lock Chamber located to the west of No 1 The Locks is a structure featuring brick-lined culverts with round brick arches above. It has brick revetment on the bypass side and rubble stone revetment on the garden side of the former Wharfinger's house.

Local climate

Lower Lock Chamber to W of No 1 THe Locks 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 lower than that of 66% of listed buildings.

It experiences an average of 41 freeze-thaw cycles a year, more than 78% of listed buildings. Of these, 22 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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  • Detailed attributes — period, style, materials, features
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  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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Nearby listed buildings

  1. Lock Gates and Paddle Gear Grade II 12 m
  2. Lower Lock Chamber Grade II 16 m
  3. By-Pass Culvert and Overflow Grade II 29 m
  4. Former Wharfinger's House including brick boundary wall to road Grade II 38 m
  5. Lock Gates and Paddle Gear Grade II 48 m
  6. Pigsty with Walled Pen to E of No 1 The Locks Grade II 58 m
  7. Toll Gauger's Hut to E of No 1 The Locks Grade II 76 m
  8. Upper Lock Chamber Grade II 81 m
  9. By-Pass Pond and Spillway with Sluice-Gate to south of upper lock chamber Grade II 91 m
  10. Four-Arch Aqueduct over Vyrnwy Flood Plain (Northern Arches) New Bridge Vyrnwy Grade II 264 m