Yr Aildy is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 17 December 1998. Cottage. 5 related planning applications.

Yr Aildy

WRENN ID
tangled-spandrel-furze
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
Cottage
Address
Yr Aildy, Talybont on Usk, Talybont-On-Usk, Powys
OS grid reference
SO 117 223
Coordinates
51.89279, -3.2834
Source
Cadw listing

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

Description

Yr Aildy was built as a pair of canal cottages with a basement for storage, likely in the 18th century. The building is two storeys and an attic at the front, with an additional storey to the rear. It incorporates storage vaults extending into the bank beyond the house. The construction combines stone rubble with a Welsh slate roof, which is partly mansard, with weatherboarded vertical ends and brick stacks that rise to the ridge due to the roof’s height. The canalside frontage features a single segmental arched window on each floor for each former cottage, with doorways at each end. The rear elevation has a large segmental arched roof dormer, two segmental arched windows to the first floor, one to the ground floor side, and segmental and pointed arched entrances to the cellars below. A lean-to extends from the front left side, wrapping around to the rear. Windows have yellow brick or dressed stone voussoirs (now painted) and small-paned metal casements with shallow stone sills.

The building is four storeys high, including the attic and basement. A full-height spiral staircase is situated within a central fireplace in the southwest corner.

Local climate

Yr Aildy 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 — 7 transactions since 2008
  • Related listed building consents — 5 applications
  • 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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