25 Great Oak Street is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 10 April 1989. House.
25 Great Oak Street
- WRENN ID
- ruined-outpost-acorn
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 10 April 1989
- Type
- House
- Address
- 25 Great Oak Street, Llanidloes
- OS grid reference
- SN 955 844
- Coordinates
- 52.44807, -3.53883
- Source
- Cadw listing
Description
25 Great Oak Street is a two-storey building featuring a two-window red brick front with stock brick dressings. The slate roof has decorative cresting and a brick chimney stack on the right side, with the left side stack having been removed. The building has pilasters at both ends and in the center, along with a dentil cornice. The six-pane sash windows are framed with classical architraves made of brick pilasters, freestone lintels, and cills. The original shop fronts are intact, showcasing fluted fascia ends and fluted pilasters in the center. The shop window for No 25 is broad and consists of a six-pane sash design, an iron ventilation panel, and half fixed glazed four-pane windows, along with a panelled stallriser.
Local climate
25 Great Oak Street sits in one of the wettest parts of the UK, with an average of 1,180 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 82% of listed buildings.
It experiences an average of 53 freeze-thaw cycles a year, more than 94% of listed buildings. Of these, 32 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
- No sale records on file
- 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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