The County Hall is a Grade II* listed building in the Denbighshire local planning authority area, Wales. First listed on 24 October 1950. Public building.

The County Hall

WRENN ID
shifting-loggia-umber
Grade
II*
Local Planning Authority
Denbighshire
Constituency
Clwyd North MP: Gill German (Lab)
Country
Wales
Date first listed
24 October 1950
Type
Public building
Address
The County Hall, Denbigh - Town, Denbigh
OS grid reference
SJ 052 661
Coordinates
53.18365, -3.41864
Source
Cadw listing

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

Description

The County Hall is a large, rectangular building dating from the Renaissance period, constructed of limestone rubble with limestone and sandstone dressings. It features a slate roof with gabled ends, topped with slatted louvres and a squat chimney. The symmetrical front elevation has a corbel-course creating a thin pediment at the top. A central entrance is defined by a rusticated, round-arched surround with a projecting keystone, flanked by a broad stringcourse that extends around the sides and rear. To the right of the entrance is a late 19th-century limestone wall fountain, with a semi-circular basin and a finialled, gabled back-stone. Above the entrance is a large Venetian window with a plain surround and 20th-century glazing, with evidence of earlier, blocked windows on either side. A circular clockface sits within a moulded oculus in the centre of the corbel-course, with a relieving arch above. The gable is topped by an aedicular bellcote with a moulded pediment, a round-arched bell opening, a surmounting stone dome, and a decorative weathervane.

The north side of the building faces Vale Street. This gable end is taller than the front and contains a basement, accessed via an entrance on the left side of the north elevation. The raised ground floor features a five-bay arcade, currently glazed with concrete lintels supported on original Tuscan sandstone columns. Originally, there were six open bays; the leftmost bay was subsequently blocked and now contains a two-light window with a plain raised architrave. A tall, sloping buttress divides the bays centrally. To the left of this window is a similar three-light window, followed by three further three-light windows to the first floor, the leftmost of which is also Venetian in style.

The south side has a lower, two-storied addition to the western portion, with a flat roof and rounded front corner. A modern, rubble-faced lift shaft rises upward from this addition, extending to the roofline.

Inside, the hall has been heavily modernised, although a row of seven original Tuscan sandstone columns remains from the ground floor, which was formerly partly open.

Local climate

The County Hall 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 59% of listed buildings.

It experiences an average of 28 freeze-thaw cycles a year, fewer than 68% of listed buildings. Of these, 15 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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