Denman House is a Grade II listed building in the Westminster local planning authority area, England. First listed on 30 May 1972. Office, shop. 2 related planning applications.

Denman House

WRENN ID
hallowed-slate-bramble
Grade
II
Local Planning Authority
Westminster
Constituency
Cities of London and Westminster MP: Rachel Blake (Lab)
Country
England
Date first listed
30 May 1972
Type
Office, shop
Address
Denman House, 19 and 20, Piccadilly W1, City of Westminster
OS grid reference
TQ 294 805
Coordinates
51.50948, -0.13609
Source
Historic England listing

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

Description

Denman House is an office and shop building located on the north side of Piccadilly in the City of Westminster, constructed in 1903 by H. A. Woodington. It features a stone façade and a slate roof, designed in a neo-Baroque style as it turns the corner into Air Street. The building stands five storeys tall with an attic and includes a six-storey corner tower.

The structure has two bays facing Piccadilly, with a bowed corner that transitions into a half-octagon tower above the first floor, and a single matching bay on Air Street. The ground floor has shop fronts beneath an entablature, with the fascia of the corner shop displaying Art Nouveau lettering and an archivolt arched entrance. The entablature is adorned with an enriched cornice featuring sculptured lions.

The first-floor windows are framed by a colonnade of Doric piers, while the second and third floors have vertically linked windows set in enriched arched openings with sculptured panels. The fourth floor windows are placed within an Ionic colonnade. An enriched frieze runs along the main entablature, which supports an elaborate lucarne. At the top of the corner tower, there is an Ionic order, above which a pierced drum with bold volute buttresses supports a stone dome.

Local climate

Denman House 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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