Pencelli Bridge (Canal Bridge No.154) is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 17 December 1998. Bridge. 1 related planning application.

Pencelli Bridge (Canal Bridge No.154)

WRENN ID
dark-forge-equinox
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
17 December 1998
Type
Bridge
Address
Pencelli Bridge (Canal Bridge No.154), Talybont-On-Usk, Powys, LD3 7LX
OS grid reference
SO 092 250
Coordinates
51.91623, -3.32109
Source
Cadw listing

Also on this page: sale history · EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Pencelli Bridge, also known as Canal Bridge No. 154, is a hump-backed bridge constructed of rubble sandstone. The segmental arch is formed with thin voussoirs, and it is flanked by a low parapet with flat coping. The abutments curve outwards on both sides, and the parapet features square end piers. A cast iron plaque bearing the bridge number is set into the keystone on the east side. The towpath runs beneath the bridge on the north side and has a stone kerb; on the south side, a stringcourse is situated roughly at water level. The bridge connects the two main village streets and marks the southern boundary of Pencelli Basin. A pipe is attached to the west side of the bridge.

Local climate

Pencelli Bridge (Canal Bridge No.154) sits in one of the wettest parts of the UK, with an average of 1,180 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 78% of listed buildings.

It experiences an average of 57 freeze-thaw cycles a year, more than 96% of listed buildings. Of these, 32 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 3 transactions since 1997
  • Related listed building consents — 1 application
  • 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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Nearby listed buildings

  1. Canal store at Pencelli Grade II 55 m
  2. The Royal Oak Grade II 87 m
  3. Pencelli Court (also known as Penkelly Court) including attached byre Grade II 113 m
  4. Byre at Pencelli Court. Grade II 123 m
  5. Granary and attached shed at Pencelli Court Grade II 127 m
  6. Barn at Pencelli Court Grade II 143 m
  7. Courtyard range immediately SW of Castle Farmhouse Grade II 238 m
  8. Castle Farm farmhouse Grade II* 250 m
  9. Granary at Castle Farm Grade II 251 m
  10. Barn range at Castle Farm Grade II 285 m