25 Hannah Street is a Grade II listed building in the Rhondda Cynon Taf local planning authority area, Wales. First listed on 1 August 1996. Commercial building.

25 Hannah Street

WRENN ID
ruined-lancet-sienna
Grade
II
Local Planning Authority
Rhondda Cynon Taf
Constituency
Rhondda and Ogmore MP: Chris Bryant (Lab)
Country
Wales
Date first listed
1 August 1996
Type
Commercial building
Address
25 Hannah Street, Porth, Rhondda Cynon Taff, CF39 9RB
OS grid reference
ST 027 912
Coordinates
51.61123, -3.40638
Source
Cadw listing

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

Description

25 Hannah Street, along with 22 and 23 Hannah Street, is a building constructed of sandstone ashlar and red brick, featuring baroque detailing and an artificial slate roof with ridge tiles. It stands three storeys tall with a basement, housing ground floor shops and former offices that are now club premises above. The original frontage included a prominent central decorative gable and lower decorative wings on either side; the right wing remains, although it has been partly remodelled. The shop fronts for Nos 22 and 23 are modern, while No 25, which was originally a baker's, has a cast metal inscription band beneath its curved shopfront window. This window features a slender mullion and a decorative recessed door to the left, topped with a large glazed panel and a steep curved pediment above.

The first floor showcases a five-window main frontage, consisting of one central round-headed window and four rectangular windows with renewed glazing. These are separated by pilasters with deep keystones that extend to a broken pediment above each window, with the central keystone reaching up to a string course above. All spandrels are filled with richly carved swags. The upper floor has three similar round-headed windows, adorned with fluted pilasters and decorative Ionic capitals, flanked by cartouches featuring grapes. Above this is a recessed decorative rectangular inscription plaque reading 'T E', embellished with carved corn and maize motifs and an engraved date of 1905.

Channelled pilasters on the sides support scroll brackets, from which a Flemish gable rises, topped with moulded coping and five urns. The main roof, visible from the side, features three gables. The right wing is rendered and has six round-headed windows with replaced glazing and a remodelled battlemented parapet. A postcard painting from before 1918 depicts the central gable in a form very similar to its current appearance, flanked by wings each featuring two lower Flemish gables.

Local climate

25 Hannah Street sits in a wetter-than-average part of the UK, with an average of 1,150 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 88% of listed buildings.

It experiences an average of 33 freeze-thaw cycles a year, fewer than 57% of listed buildings. Of these, 13 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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  • 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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