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Get startedFlat 5 is a one-bedroom mid-terrace house in London (W11 4SN). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to before 1900 and council tax band E. At 48 m² this is the largest unit on EPC record across the building (41–48 m²). The building's EPC ratings span E to C across 4 units on file. The latest certificate (March 2021) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 3 certificates since July 2009. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Average.
Sale prices here have outpaced London HPI: 5.5% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,084/sq ft) was about 83.9% above the typical sold price in the postcode. Most recent transfer: January 2021 at £560,000. Across the public record there are 5 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Sale price has grown by over 3x since 2000.
£525,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 21 years.
£560,000
Growth on file: 5.5% per year over 21 years.
Flat 5 is notably below the street on epc rating.
Price per m²
£11,667
Street avg £9,343
Floor Area
48 m²
Street avg 63 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Royal Crescent — bus stop.

Daytime· 07:00 – 23:00
59.2dB

Changes detected from historical EPC data
Heating controls changed
Roof insulation improved
More low energy lighting installed
Heating controls upgraded for better temperature management
Single glazing replaced with double or better glazing
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
26 January 2021Most recent
£560,000
+27.3%over 9 years18 November 2011
£440,000
+3.3%over 4 years4 May 2007
£426,000
+72.1%over 3 years21 July 2003
£247,500
+33.8%over 3 years7 April 2000
£185,000
Median price across the last 5 sales in W11 4SN: £790,000 (2025–2021).
37 Royal Crescent Kensington And Chelsea London
Sold Jun 2025
Flat A 33 Royal Crescent Kensington And Chelsea London
Sold Mar 2025
40 Royal Crescent Kensington And Chelsea London
Sold Jan 2025
Flat 5 23 Royal Crescent London
Sold Sept 2022
36 Royal Crescent Kensington And Chelsea London
Sold May 2021
CO₂ Emissions
2.9 t/year
Street avg 2.8 t/year
W11 4BA
Closest school
0.3 km
The Cardinal Vaughan Memorial RC School. 76 schools nearby.
Night-time· 23:00 – 07:00
49.9dB
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