St Leonards Dale is a Grade II* listed building in the Windsor and Maidenhead local planning authority area, England. First listed on 4 January 1950. House. 6 related planning applications.

St Leonards Dale

WRENN ID
peeling-slate-rain
Grade
II*
Local Planning Authority
Windsor and Maidenhead
Constituency
Windsor MP: Jack Rankin (Con)
Country
England
Date first listed
4 January 1950
Type
House
Address
St Leonards Dale, Winkfield Road, SL4 4AQ
OS grid reference
SU 945 751
Coordinates
51.46733, -0.64013
Source
Historic England listing

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

Description

St Leonard's Dale is a house dating from around 1700-1720, with alterations made in the late 18th century. It is of group value. The main house is two storeys high and built of colourwashed stucco, with a narrow string course marking the first floor level, a delicate bracketed and moulded eaves cornice, and a hipped slate roof featuring small slates. The walls are colourwashed yellow, while the string course woodwork and other features are painted white. The facade features two square windows on the first floor and a central semi-circular window recessed in stucco, framing a fan design. The ground floor has two tall, three-light sash windows with moulded frames, each incorporating a segmental stucco fan tympanum within a segmental headed recess. A tall, six-panelled central door is topped with an arched fanlight displaying radiating and wreathed detailing, set within a moulded architrave. An elaborate rectangular doorcase is formed of three-quarter engaged Corinthian columns supporting an entablature with a frieze adorned with swags. A service wing is attached to the right at the rear. The south front mirrors the colour and materials of the main facade and comprises three two-storey, angular bays with hipped slate roofs. Inside, a room on the west ground floor, with a canted bay overlooking the garden, retains fielded panelling and a bolection surround to the fireplace. Other ground floor rooms feature late 18th-century mouldings and Adamesque fireplaces. A simple open string staircase is present, boasting turned balusters and a continuous moulded handrail.

Local climate

St Leonards Dale sits in a drier-than-average part of the UK, with an average of 710 mm of rain a year. This makes it drier than 87% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 82% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 59% of listed buildings. Of these, 13 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 — 2 transactions since 2003
  • Related listed building consents — 6 applications
  • 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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