St Giles House is a Grade II listed building in the Wrexham local planning authority area, Wales. First listed on 31 January 1994. House.

St Giles House

WRENN ID
first-wall-saffron
Grade
II
Local Planning Authority
Wrexham
Constituency
Wrexham MP: Andrew Ranger (Lab)
Country
Wales
Date first listed
31 January 1994
Type
House
Address
St Giles House, 20 Rhosnesni Lane, Acton
OS grid reference
SJ 340 513
Coordinates
53.05542, -2.9853
Source
Cadw listing

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

Description

St Giles House is a two-storey building with attics, constructed in brick and roughcast render, featuring plain tiled roofs and designed in a neo-vernacular style. The building has a symmetrical layout with a short entrance range and four 'butterfly' radial wings. The entrance front includes a shallow projecting porch with a segmentally arched doorway, and a roughcast rendered panel recessed between brick pilasters above, with a 20-pane sash window below a steep gablet. To the left of the entrance is a stair window, which is mullioned and transomed with leaded lights, while to the right is a three-light stone mullioned window with paired sashes above. The roof features three dormers, with the central one being segmentally arched.

The wings extend at obtuse angles and each contains triple sash windows, with 18 and 24 panes, and flat arched gauged brick heads on each floor. Each wing also has a dormer gable over the central upper window. The wings are double-pile in plan and terminate at the front in single-storey ranges that run parallel to the entrance range, housing kitchen services in the right-hand wing and a former coach house in the left.

The rear of the building mirrors the front layout, featuring a short central range that contains office accommodation, with a canted bay window on the ground floor and paired sash windows above. The two obtuse angled wings are articulated by pilaster buttresses. The right-hand wing has paired lower windows (18 and 24-pane sashes) and similar windows above, while the left-hand wing ends in a three-bay loggia with segmentally arched arcading. Each side of the roof has three gabled dormers.

The original layout remains clearly visible, consisting of office accommodation in the central entrance range, with kitchens in the front right-hand wing and offices in the left. The rear wings were used as a dining room and playroom, with dormitories located above.

Local climate

St Giles House receives an average of 880 mm of rain a year. This makes it wetter than 64% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 88% of listed buildings.

It experiences an average of 34 freeze-thaw cycles a year, more than 52% of listed buildings. Of these, 18 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
  • Sale history — 24 transactions since 2013
  • 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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