Siop Yr Oen is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 10 April 1989. Cinema, former bank.
Siop Yr Oen
- WRENN ID
- guardian-quoin-myrtle
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 10 April 1989
- Type
- Cinema, former bank
- Address
- Siop Yr Oen, 29 Great Oak Street, Llanidloes
- OS grid reference
- SN 954 844
- Coordinates
- 52.44816, -3.53913
- Source
- Cadw listing
Description
Siop Yr Oen is a three-storey, five-bay building featuring a simple classical brick front. The second floor is constructed of stock brick, while the first floor is painted brick, and the right-hand part of the ground floor has rusticated cladding. The building has a hipped slate roof with hipped projections on the paired outer bays. The central bay was originally recessed, but the ground and first floors were brought forward, likely during its conversion to a cinema. There is a timber balustrade on the second floor, which serves as a 'balcony' but has no access. Most windows are sash windows, either six or fifteen panes, with modern windows on the second floor to the right. A freestone cill band runs along the second floor.
The shop front has been altered, featuring a projecting fascia below the shop sign and pilasters flanking the window and central splayed entrance. A figure of a sheep is suspended from a bracket on the first floor. A band course at the fascia level extends across the rusticated cladding of the adjacent Laura Ashley store. There are three round-arched openings with an impost band; the left arch is slightly taller and has an iron gate with an overthrow. The centre has an eight-panel former bank door, and a modern window has been inserted into the former doorway on the right. The side elevations are made of rubble, with the ground floor on the right painted and featuring three arched openings that were once full height, with a band course continuing from the front. Some openings are blocked, indicating that there may have been a balcony. The rear is constructed of rubble with stock brick dressings, small pane sashes, and a recessed central bay.
The interior has been partially converted, but the second floor retains one room with fluted Corinthian pilasters and bracketed springers for the trusses.
Local climate
Siop Yr Oen 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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