Oak House is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 27 July 2000. House.

Oak House

WRENN ID
tangled-string-dock
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
27 July 2000
Type
House
Address
Oak House, Cheltenham, Llanelly, Monmouthshire, NP7 0LL
OS grid reference
SO 225 130
Coordinates
51.81045, -3.12433
Source
Cadw listing

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

Description

Oak House is a two-storey building featuring a six-window front. The left section is constructed of rubble and is whitewashed. It has a very broad hipped slate roof, with the rear slope covered in artificial slates. There are tall brick chimneys at each end. The left section has three windows with flat heads, cut stone voussoirs, and shallow stone sills. There is a central doorway in this section, which was once broader, leading to a boarded door. The windows in this section are 16-pane hornless sashes, although the ground floor window to the right is covered over.

The right section also has three windows with flat heads and stone voussoirs, but the sills are generally deeper. This section features modern glazing and a former doorway in the center on the ground floor. There is a doorway on the right-hand return, along with an extension towards the rear. At the time of inspection, the rear of the property, which was formerly built into a steep bank, was under renovation.

The right-hand section has been largely modernized but retains six-panelled doors. The left-hand section is semi-derelict, containing two rooms with wooden stairs to the rear, a partly removed partition to the right with a six-panelled door, and a 19th-century fireplace in the room to the left.

Local climate

Oak House sits in a wetter-than-average part of the UK, with an average of 1,040 mm of rain a year. This makes it wetter than 83% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 75% of listed buildings.

It experiences an average of 48 freeze-thaw cycles a year, more than 89% of listed buildings. Of these, 24 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 — 2 transactions since 2006
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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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