White House is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 30 September 1985. House.

White House

WRENN ID
solemn-lead-owl
Grade
II
Local Planning Authority
Powys
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
30 September 1985
Type
House
Address
White House, Knighton, LD7 1BA
OS grid reference
SO 284 722
Coordinates
52.34387, -3.05199
Source
Cadw listing

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

Description

White House is a building likely from the 18th century, which includes earlier materials at the rear within the castle bailey. It features a two-storey symmetrical front with roughcast render, three windows wide, and casement windows. There are brick stacks at each end and a wooden door situated under a flat hood. Below the garden at the rear, there is a late 16th or early 17th century barrel-vaulted rubble undercroft. This undercroft is located within the archaeological site of Knighton Castle.

Local climate

White House receives an average of 900 mm of rain a year. This makes it wetter than 67% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 51% of listed buildings.

It experiences an average of 52 freeze-thaw cycles a year, more than 93% of listed buildings. Of these, 30 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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  • No EPC on record for this property
  • Sale history — 2 transactions since 2015
  • 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
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