Dolygaer is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 23 March 1962. House.

Dolygaer

WRENN ID
upper-bailey-sorrel
Grade
II
Local Planning Authority
Powys
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
23 March 1962
Type
House
Address
Dolygaer, Treflys
OS grid reference
SN 921 485
Coordinates
52.12429, -3.57606
Source
Cadw listing

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

Description

Dolygaer is a 2-storey, 3-bay house built in the Queen Anne style, featuring rendered walls painted cream and a hipped slate roof with swept projecting eaves. On the left side, there is an original tall rendered chimney stack, while the right side has a late 19th-century blue-brick stack that has replaced the original. Inside, there is a central added open porch leading to a 6-panel front door. The windows are 12-pane horned sashes, with narrow casements located at the upper right and left of the right side wall.

The lower rear kitchen wing is offset to the right and connects to the main house's side wall. It includes a boarded door on the left side, a central 16-pane hornless sash window, and two 2-light upper-storey casements with segmental heads. A battered buttress is located at the right end, beyond which there is a lower one-storey and attic projection. This section features an inserted 2-light casement and a half-lit door on the right side.

At the rear, the house has casement windows in the right-hand bay. The central projecting stair turret includes a fixed metal-paned window at landing level above an outshut that has been added to the rear wing, which has a hipped roof. Above the outshut, the rear wing displays a 19th-century slate-hung wall with a 2-light casement on the right. The lower projection of the rear wing has a boarded door flanked by small casements.

Inside, the central entrance hall features a flagstone floor. The full-height dog-leg staircase has plain square balusters and newels, although the upper flight leading to a former attic storey is now sealed off. The room to the right of the entrance hall contains a large fireplace with a timber lintel and a bread oven. The rear wing, which originally served as the kitchen, has two back-to-back fireplaces, both with timber lintels. The fireplace in the later rear projection also includes a domed bread oven and has 19th-century stairs leading to a former sleeping room for servants.

Local climate

Dolygaer sits in one of the wettest parts of the UK, with an average of 1,200 mm of rain a year. This makes it wetter than 91% 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 48 freeze-thaw cycles a year, more than 89% of listed buildings. Of these, 27 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 — 1 transaction since 2014
  • 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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