29-40, Dorset Square NW1 is a Grade II listed building in the Westminster local planning authority area, England. First listed on 14 March 1966. Terrace of houses. 32 related planning applications.
29-40, Dorset Square NW1
- WRENN ID
- gilded-obsidian-ash
- Grade
- II
- Local Planning Authority
- Westminster
- Constituency
- Cities of London and Westminster MP: Rachel Blake (Lab)
- Country
- England
- Date first listed
- 14 March 1966
- Type
- Terrace of houses
- Address
- 29-40, Dorset Square NW1, City of Westminster, NW1 6QJ
- OS grid reference
- TQ 276 819
- Coordinates
- 51.52237, -0.16112
- Source
- Historic England listing
Description
A terrace of houses forming the south side of Dorset Square, built around 1815 to 1820 as part of the Portman Estate development. Numbers 35 to 38 were later rebuilt to match the originals. The houses are constructed of brown stock brick with a channelled stucco ground floor, while numbers 39 and 40 are fully stuccoed. Slate roofs are largely hidden behind the parapets. The terrace is four storeys high with basements, some incorporating dormered mansards. Each house has a three-window front. Semicircular arched doorways are located on the left side, featuring inset Greek Doric columns and decorative Greek fret doorheads framing panelled doors and fanlights. The windows are recessed sash windows, most retaining their original glazing bars and set within flat, gauged arches. A plat band defines the end of the stucco ground floor. Decorative stucco cornices and blocking courses feature at the roofline. Original cast iron balconies with geometric and anthemion patterns are present on the first floor. The original cast iron area railings are topped with urn finials.
Local climate
29-40, Dorset Square NW1 sits in one of the driest parts of the UK, with an average of 700 mm of rain a year. This makes it drier than 93% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 94% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, more than 51% of listed buildings. Of these, 15 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 — 16 transactions since 1995
- Related listed building consents — 32 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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