Chapel House & Sunday School is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 17 November 2004. House.

Chapel House & Sunday School

WRENN ID
hidden-granite-jay
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
17 November 2004
Type
House
Address
Chapel House & Sunday School, Oakley Park, Llanidloes Without
OS grid reference
SN 984 869
Coordinates
52.47083, -3.49594
Source
Cadw listing

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

Description

Chapel House and Sunday School is a two-storey house on the left and a single-storey chapel on the right, both under the same roofline. The building is made of brick and has a slate roof, with a blue brick stack at the left end. The house features openings with segmental brick heads, including a 20th-century half-glazed door on the left and a small-pane wooden two-light casement window on the right, above which is a metal-framed window beneath the eaves. There is an inscribed date on the upper left, beneath the eaves. To the left of the north gable end, there is a late 20th-century boarded door, with a two-light wooden casement window on each storey to its left. At the rear, there is a lean-to, with a small light on each storey of the main range.

The front of the former chapel has a tall boarded door under a segmental brick head, with a large 24-pane hornless sash window to the right, set under a flat-arched head of gauged brickwork. A similar 24-pane sash window is located at the rear.

The former chapel is currently used as a Sunday School and consists of a single chamber with a ceiling at collar level. To the right, there is a blocked fireplace in a chimney breast (the stack is now missing), and to the left, a panelled door leads to a later chapel. There is also a panelled door to the right of the chimney breast leading to a cupboard. On the opposite wall, there is a high-level blocked opening that once provided a viewing area from the first floor of the house.

The front door of the house opens into the living room. Originally, the stairs were immediately to the right in the southwest corner, but they have been moved to the rear where the kitchen used to be. The current kitchen is located behind and was originally a stable, which is also accessible from the north door. The bathroom is situated in the rear lean-to.

Local climate

Chapel House & Sunday School sits in one of the wettest parts of the UK, with an average of 1,160 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 81% of listed buildings.

It experiences an average of 50 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 29 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 2013
  • 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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