By-Pass Culvert and Overflow is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 5 April 1993. Town gate.

By-Pass Culvert and Overflow

WRENN ID
gentle-pewter-laurel
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
5 April 1993
Type
Town gate
Address
By-Pass Culvert and Overflow, Carreghofa
OS grid reference
SJ 253 202
Coordinates
52.77477, -3.10787
Source
Cadw listing

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

Description

The By-Pass Culvert and Overflow is a structure featuring brick-lined culverts with round brick arches above. The by-pass is finished with brick revetment, while the garden side of the former Wharfinger's house has rubble stone revetment.

Local climate

By-Pass Culvert and Overflow 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

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. Lower Lock Chamber to W of No 1 THe Locks Grade II 29 m
  2. Former Wharfinger's House including brick boundary wall to road Grade II 31 m
  3. Lower Lock Chamber Grade II 35 m
  4. Lock Gates and Paddle Gear Grade II 40 m
  5. Lock Gates and Paddle Gear Grade II 49 m
  6. Pigsty with Walled Pen to E of No 1 The Locks Grade II 53 m
  7. Toll Gauger's Hut to E of No 1 The Locks Grade II 72 m
  8. Upper Lock Chamber Grade II 79 m
  9. By-Pass Pond and Spillway with Sluice-Gate to south of upper lock chamber Grade II 93 m
  10. Eastern Bridge over Tanat Feeder to N of Clawdd-Coch Grade II 282 m