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Get started12 Bryanston Mansions is a three-bedroom semi-detached house in London (W1H 1DA). It has a recorded floor area of 112 m² (around 1206 sq ft) and construction records dating it to 1900-1929. Tenure is freehold. At 112 m² this is the 7th smallest of 21 units on EPC record in the building, where floor areas span 72–159 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (January 2016) shows a C (score 71). The recommended improvements would push it to B (score 83). The latest certificate is from January 2016, so improvements made since then won't be reflected.
Sale prices here have outpaced London HPI: 8.3% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,472/sq ft) was about 58.4% above the typical sold price in the postcode. Most recent transfer: August 2018 at £1,775,000. Across the public record there are 4 sales, relatively high churn for a single property.
This certificate is over 10 years old and is no longer valid.Expired 25 Jan 2026
12 Bryanston Mansions has more than quadrupled in price since its earliest registered sale in 1998.
£1,767,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.3% per year over 21 years.
£1,775,000
Growth on file: 8.3% per year over 21 years.
Price per m²
£15,848
Street avg £13,917
Floor Area
112 m²
Street avg 119 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Marylebone Station — bus stop.

Daytime· 07:00 – 23:00
62.9dB

24 August 2018Most recent
£1,775,000
+69.0%over 11 years5 June 2007
£1,050,000
+72.8%over 4 years2 June 2003
£607,500
+76.1%over 5 years26 January 1998
£345,000
Median price across the last 5 sales in W1H 1DA: £1,790,000 (2025–2024).
11 Bryanston Mansions York Street London
Sold Jun 2025
10 Bryanston Mansions York Street London
Sold May 2025
14 Bryanston Mansions York Street London
Sold Apr 2025
6 Bryanston Mansions York Street London
Sold Jul 2024
3 Bryanston Mansions York Street London
Sold Jul 2024
CO₂ Emissions
3.9 t/year
Street avg 4.2 t/year
W1H 1FG
Closest school
0.1 km
St Mary's Bryanston Square CofE School. 58 schools nearby.
Night-time· 23:00 – 07:00
53.7dB
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