21 Well Street is a Grade II listed building in the Denbighshire local planning authority area, Wales. First listed on 16 May 1978. House.
21 Well Street
- WRENN ID
- stony-rubble-heath
- Grade
- II
- Local Planning Authority
- Denbighshire
- Constituency
- Clwyd East MP: Becky Gittins (Lab)
- Country
- Wales
- Date first listed
- 16 May 1978
- Type
- House
- Address
- 21 Well Street, Ruthin
- OS grid reference
- SJ 125 582
- Coordinates
- 53.11394, -3.30859
- Source
- Cadw listing
Description
21 and 23 Well Street form a group of buildings.
Number 21 is a long, two-storey structure with a roughcast exterior over timber framing, topped by a slate roof and featuring a rendered plinth. The building has a gabled rear wing that includes a brick ridge stack near the junction. The front of the building has an entrance on the right side with a wooden boarded door, which was added around 2000. To the right of center, there is a shop window from the 19th century, supported by moulded pilasters and a dentilled cornice. This window features a large three-light design with moulded glazing bars and slightly arched heads, set on a wooden sill at plinth level. Immediately to the left of the shop window is a blocked door opening, and to the far left is a smaller shop window with plain pilasters and cornice, containing a fixed window with small-pane glazing.
On the upper storey, there are wooden cross-windows with opening casements to the left and center, just below the eaves, while a blocked window is located to the right, above the doorway. To the left of the central window, there is an iron bracket that likely held a shop sign. The rear of the building features an early catslide lean-to, in front of which is a shallow flat-roofed conservatory. A flat-roofed dormer with a plain-glazed window is present on the main roof pitch. The gabled rear wing on the right is slightly angled, with the upper storey further offset. This wing is roughcast and whitewashed, also under a slate roof. The east side has a plain-glazed window on the ground floor, while the upper floor features a horizontal sliding sash window to the left and a small-pane light to the right. The gable end shows an exposed rafter, indicating that the wing may have been heightened in the past. Below this is a fragment of a lower range, offset at an angle, which is said to relate to a former terrace of poor housing.
Inside, the living room on the west side has a deeply chamfered cross-beam in the ceiling, suggesting an early date. There is a box-panelled partition to the east, and some timber framing is visible on the front wall. A small segmental-arched fireplace at the rear is likely Victorian. The upper storey is reported to have further substantial beams and some box panels infilled with wattle and daub. It is said that a roof truss in the loft space bears a date from the 16th century.
Local climate
21 Well Street sits in a wetter-than-average part of the UK, with an average of 960 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 60% of listed buildings.
It experiences an average of 38 freeze-thaw cycles a year, more than 72% of listed buildings. Of these, 21 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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