Wylcwm House (Whittingham, Riddel and Co., Chartered Accountants) is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 29 December 1950. House.

Wylcwm House (Whittingham, Riddel and Co., Chartered Accountants)

WRENN ID
brooding-portal-bone
Grade
II
Local Planning Authority
Powys
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
29 December 1950
Type
House
Address
Wylcwm House (Whittingham, Riddel and Co., Chartered Accountants), Knighton
OS grid reference
SO 287 722
Coordinates
52.34391, -3.04804
Source
Cadw listing

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

Description

Wylcwm House is a three-storey building dating from around 1800, featuring a symmetrical stone front with three windows. The central bays have later scribed cement. It has a hipped slate roof, a moulded cornice, and a similarly moulded central pediment. The glazed part of the front is slightly advanced, with the central bay advanced even further. There are cill bands and 12- and 16-pane sash windows set in deep reveals with thin glazing bars, although the window in the first floor centre has been altered. A later projecting porch includes leaded lights, a dentiled cornice, and a flat hood. The recessed front door has a semi-circular fanlight and panelled reveals. The left side elevation is made of rubble with unmoulded wide plastered eaves, a blocked opening on the first floor, and a jettied lean-to. The facade extends to the first bay of the right side elevation, continuing the moulded cornice and sash windows at the rear, which is set back. The office of McArtney's (Estate Agents) attached to the rear extension is not of special interest.

Local climate

Wylcwm House (Whittingham, Riddel and Co., Chartered Accountants) receives an average of 860 mm of rain a year. This makes it wetter than 61% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 56% of listed buildings.

It experiences an average of 47 freeze-thaw cycles a year, more than 89% of listed buildings. Of these, 26 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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