Mountain Ash Town Hall is a Grade II listed building in the Rhondda Cynon Taf local planning authority area, Wales. First listed on 18 February 2003. Town hall.

Mountain Ash Town Hall

WRENN ID
hollow-step-torch
Grade
II
Local Planning Authority
Rhondda Cynon Taf
Constituency
Pontypridd MP: Alex Davies-Jones (Lab)
Country
Wales
Date first listed
18 February 2003
Type
Town hall
Address
Mountain Ash Town Hall, Rhondda Cynon Taff, CF45 4AA
OS grid reference
ST 047 992
Coordinates
51.6841, -3.37877
Source
Cadw listing

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

Description

Mountain Ash Town Hall is a purpose-built civic building dating from the Arts and Crafts baroque style. Constructed of brown snecked rock-faced stone with contrasting pale ashlar decorative detailing, it has a hipped slate roof with a brick chimney set within the pitch and on the ridge, a boarded clock tower. The clock tower features clock-faces on the front and rear, a railed balustrade, and a decorative open tiered bell-cote/cupola with round arches and a swept metal roof, topped with a weathervane. The building has two storeys and an asymmetrical frontage. Windows are cross-framed with top-opening casements, some with small panes, all set within wide ashlar surrounds. A central five-window range is defined by full-length pilasters. The first-floor windows are segmental arched with keystones, a cornice, and small-pane top-lights. Above the outer and centre windows are three segmental-arched dormers with decorative leaded coloured glass, now double-glazed. Ground floor windows have square heads. A central porch features a segmental-arched pediment incorporating a cartouche with an inscription and fronts a small balcony, supported by scrolled and fluted console brackets. It has 6-panelled double doors with a small-pane overlight. To the left is a slightly projecting three-window bay with a segmental-arched parapet and cartouche-panel above the centre first-floor window, with the arch repeated in the cornice band to the ground floor windows, where the wide end pilasters are incorporated. To the right is a narrow projecting bay with a keyed oculus to the ground floor and a set-back end wing with a separate roof-pitch and a narrow side doorway with a plain surround, scroll pediment, and a giant keystone. Some corners are chamfered with mouldings over. The sides of the building have simpler ashlar dressings, with virtually none to the rear, where a wall with tall metal railings forms a small courtyard.

The lobby contains steps leading to double swing doors with Art Nouveau-style leaded coloured glass and decorative green and brown ceramic-tiled dado. A similar dado is found in the inner hall, and the staircase has a turned mahogany newel post and twisted metal balusters. Original door surrounds and simple cornices have been retained. Reports suggest that some upstairs fireplaces survive behind blockings.

Local climate

Mountain Ash Town Hall sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.

It experiences an average of 44 freeze-thaw cycles a year, more than 85% of listed buildings. Of these, 22 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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