Ely Tower of Brecon Castle is a Grade I listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 16 December 1976. House.

Ely Tower of Brecon Castle

WRENN ID
endless-railing-alder
Grade
I
Local Planning Authority
Brecon Beacons National Park
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
16 December 1976
Type
House
Address
Ely Tower of Brecon Castle, Powys
OS grid reference
SO 043 287
Coordinates
51.94939, -3.39326
Source
Cadw listing

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

Description

The Ely Tower of Brecon Castle is the remains of a stone castle keep. It is a polygonal tower or shell keep made of stone, resembling the structure found at Tretower Castle.

Local climate

Ely Tower of Brecon Castle sits in one of the wettest parts of the UK, with an average of 1,260 mm of rain a year. This makes it wetter than 93% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 82% of listed buildings.

It experiences an average of 56 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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  • 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. Castle House Grade II 26 m
  2. Stone Wall to NE of Castle Hotel which faces River Honddu, including Stone Outbuilding at N end Grade II 33 m
  3. Ely House Grade II 36 m
  4. Castle Bridge Grade II 45 m
  5. 12 The Postern Grade II 55 m
  6. 11 The Postern Grade II 59 m
  7. Garden Retaining Wall to Nos.11 & 12 The Postern Grade II 59 m
  8. Garden Retaining Walls & Railings to Nos.9 & 10 The Postern Grade II 68 m
  9. 8 The Postern, including Forecourt Wall and Railings Grade II 73 m
  10. 13 Castle Street Grade II 74 m