20 China Street is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 10 April 1989. A N/A House.
20 China Street
- WRENN ID
- rough-cellar-evening
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 10 April 1989
- Type
- House
- Period
- N/A
- Address
- 20 China Street, Llanidloes, SY18 6AB
- OS grid reference
- SN 953 844
- Coordinates
- 52.44783, -3.54076
- Source
- Cadw listing
Description
20 China Street is a Grade II listed building featuring a two-window rendered front for No 19 and a one-window roughcast front for No 20, both with a plinth. The building has a slate roof that is hipped at the left end, wide boarded eaves, and modern brick chimney stacks. No 19 has recently inserted 16-pane sash windows, while No 20 has sash windows without glazing bars. The entrance features a twinned doorcase with an overall cornice, which has been altered and enlarged during conversion; No 19 has Tuscan columns, and No 20 has square piers, both supporting 6-panel half-glazed doors (No 19 also includes a panelled fanlight). There is a blocked-up doorway that once led to a shop, and a two-light cellar window to the left below the grate. The left corner is chamfered, and the left end is slate hung. On the right gable, there is a splayed bay window with fluted pilasters and 4-pane sashes, along with a small railed terrace on the corner. The building aligns with the street line, featuring a gable end at a splayed angle and additional sash windows set into the slope. The slate hung rear of No 19 is splayed back to the right, showcasing a gable and a 36-pane sash staircase window.
The interiors date from the 19th century and are largely retained; No 20 includes asymmetrically carved timber balusters on the staircase and a coloured marble fireplace in the room with the bay window.
Local climate
20 China 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.
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