White House (formerly School Mistresses House) is a Grade II listed building in the Flintshire local planning authority area, Wales. First listed on 16 November 1994. Building.

White House (formerly School Mistresses House)

WRENN ID
waning-pewter-blackthorn
Grade
II
Local Planning Authority
Flintshire
Constituency
Alyn and Deeside MP: Sir Mark Tami (Lab)
Country
Wales
Date first listed
16 November 1994
Type
Building
Address
White House (formerly School Mistresses House), Hawarden
OS grid reference
SJ 315 658
Coordinates
53.18528, -3.02593
Source
Cadw listing

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

Description

White House, formerly known as the School Mistresses House, is a small, 2-storey detached house that showcases three different architectural periods. The ground floor, which may date back to the 17th century, features thick sandstone-rubble walls that are now covered with a skim coat of render. The early 19th-century brick first floor was raised in height during the late 19th century, also in brick. The house has a plain central chimney stack from the final period of construction, a medium-pitch slate roof, and plain eaves.

The entrance is located on the south gable face, consisting of a recessed early 19th-century vertically-panelled door with a simple wooden surround. Above the door, there is a 2-light, 2-pane casement window, and to the left on the ground floor, there is a 4-pane sliding window, both of which are nearly flush with cambered heads. There is also evidence of a previous entrance on the west face, which has been replaced by a sliding window.

To the east, there is a single-storey lean-to that relates to the late 19th-century remodelling, featuring a slate roof and a small rear chimney on the eastern side. A near-flush 4-pane casement window is present on the south face, although it has modern glazing.

Local climate

White House (formerly School Mistresses House) receives an average of 900 mm of rain a year. This makes it wetter than 67% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 84% of listed buildings.

It experiences an average of 30 freeze-thaw cycles a year, fewer than 65% of listed buildings. Of these, 14 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 1 transaction since 2014
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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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