3, Dean Trench Street SW1 is a Grade II listed building in the Westminster local planning authority area, England. First listed on 9 January 1970. Terraced town house. 2 related planning applications.

3, Dean Trench Street SW1

WRENN ID
low-jamb-snow
Grade
II
Local Planning Authority
Westminster
Constituency
Cities of London and Westminster MP: Rachel Blake (Lab)
Country
England
Date first listed
9 January 1970
Type
Terraced town house
Address
3, Dean Trench Street SW1, City of Westminster, SW1P 3HB
OS grid reference
TQ 300 791
Coordinates
51.49606, -0.12808
Source
Historic England listing

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

Description

No. 3 Dean Trench Street is a terraced town house built in 1924. It features red brick and Portland stone with a tiled roof, designed in a well-detailed neo-Georgian style. The building has three storeys, a basement, and a dormered attic, and it is four windows wide. The entrance is located to the right and has an arched and pedimented doorway. The windows are recessed glazing bar sashes set under flat gauged arches. A stone eaves cornice adds to the architectural detailing, and there are cast iron area railings. This property is included for its group value in the sensitive early 20th-century redevelopment of this street and the west side of Smith Square.

Local climate

3, Dean Trench Street SW1 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • No sale records on file
  • Related listed building consents — 2 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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Nearby listed buildings

  1. 1, Dean Trench Street SW1 Grade II 8 m
  2. Lamp post outside 1 Dean Trench Street Grade II 14 m
  3. 57 and 57A Tufton Street Grade II 15 m
  4. Lamp post outside 57b Tufton Street Grade II 16 m
  5. Lamp post next to 3 Dean Trench Street and outside 36 Smith Square Grade II 19 m
  6. 36, Smith Square SW1 Grade II 20 m
  7. 37, Smith Square SW1 Grade II 24 m
  8. Lamp post on corner of Tufton Street and 2 Dean Trench Street Grade II 29 m
  9. 2 AND 4, DEAN TRENCH STREET SW1 (See details for further address information) Grade II 31 m
  10. Gayfere Lodge Grade II 35 m