Dean's Yard is a Grade I listed building in the Westminster local planning authority area, England. First listed on 24 February 1958. School, house. 8 related planning applications.

Dean's Yard

WRENN ID
tangled-glass-ash
Grade
I
Local Planning Authority
Westminster
Constituency
Cities of London and Westminster MP: Rachel Blake (Lab)
Country
England
Date first listed
24 February 1958
Type
School, house
Address
Dean's Yard, 17, Broad Sanctuary Sw1, City of Westminster, SW1P 3PQ
OS grid reference
TQ 300 793
Coordinates
51.49821, -0.12836
Source
Historic England listing

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

Description

Dean's Yard is the headmaster's house for Westminster School, rebuilt in the late 18th century from monastic-school buildings. It is constructed of yellow stock brick and features a slate roof. The building has three storeys, a basement, and a dormered attic, with a facade that is four windows wide. There are two blind windows flanking a left-hand tripartite window. The entrance is located to the left and includes a panelled door with blind side lights, framed by architrave pilaster strips topped with roundel capping blocks. Above the door is a moulded cornice and a semicircular fanlight with a delicate radial glazing pattern, along with a small adjoining doorway that also has a fanlight. The windows are recessed glazing bar sashes set under flat gauged arches with stone sills. A parapet with stone coping crowns the structure. A cast iron balcony with a geometric pattern spans the first floor, while cast iron area railings with urn finials, flanking lamp brackets, and link extinguishers enhance the exterior. Inside, the building retains much of its original mouldings and cornices, as well as a notable geometric staircase with a wrought iron balustrade.

Local climate

Dean's Yard sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 95% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 98% of listed buildings.

It experiences an average of 35 freeze-thaw cycles a year, more than 57% of listed buildings. Of these, 16 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
  • No sale records on file
  • Related listed building consents — 8 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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Similar buildings

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Nearby listed buildings

  1. Dean's Yard Grade I 18 m
  2. Little Deans Yard Grade II 19 m
  3. Lamp post outside 4 Tufton Street Grade II 38 m
  4. Little Deans Yard Grade I 38 m
  5. Lamp post outside 22 Great College Street Grade II 43 m
  6. No. 22 Great College Street (including St Edward's Chapel, Tufton Street) Grade II 53 m
  7. Little Deans Yard (College of Westminster School) Grade I 55 m
  8. 19,19a and 20, Broad Sanctuary SW1 Grade I 60 m
  9. Little Dean's Yard Ashburnham House Grade I 61 m
  10. Lamp post outside 20 Great College Street Grade II 63 m