Parc Gwynne is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 18 September 1960. House.

Parc Gwynne

WRENN ID
fallen-doorway-crimson
Grade
II
Local Planning Authority
Powys
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
18 September 1960
Type
House
Address
Parc Gwynne, Glasbury, HR3 5LL
OS grid reference
SO 175 391
Coordinates
52.04451, -3.2031
Source
Cadw listing

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

Description

Parc Gwynne is a two-storey house with an attic, built from rubble stone with rendered gable ends and a slate roof. The main block is symmetrical, featuring three bays, and has a service wing set back to the right, which ends in a gabled cross wing. The entrance has a central 20th-century glazed door framed by a fluted doorcase. Each reception room on either side has twelve-paned sash windows. There is a rendered and painted plat band, and on the first floor, three twelve-paned sashes with timber lintels are present, along with a central gable that has a bargeboard and a semi-circular attic window, likely rebuilt on a larger scale. The house has gable stacks. The service wing, made of roughcast brick, contains the kitchen and ancillary rooms, and features an arched porch. The lateral cross wing is constructed of painted brick and includes early 20th-century timber windows, as well as a two-light window with panes.

Inside, there is a central hallway with a dog-leg stair that has turned newels. Reception rooms are located on each side of the hallway, and there are original narrow rear service rooms that form a double pile, which were extended at a later date.

Local climate

Parc Gwynne sits in a wetter-than-average part of the UK, with an average of 1,030 mm of rain a year. This makes it wetter than 82% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 68% of listed buildings.

It experiences an average of 52 freeze-thaw cycles a year, more than 93% 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 — 4 transactions since 1996
  • 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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