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Get startedFlat 3 is a one-bedroom mid-terrace house in London (W11 4SN). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1900-1929 and council tax band D. At 45 m² this is the 3rd smallest of 4 units on EPC record in the building, where floor areas span 41–48 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (70 versus a worst of 41). Other recorded features include a balcony. Period features are noted in the property record. The latest certificate (March 2021) shows a C (score 70). When first surveyed in February 2011 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Poor.
Held since April 2011 — that's 15 years off the open market, well above the local norm. Sale prices here have outpaced London HPI: 12.9% per year against 0% for the wider region. Today's modelled estimate of £539,000 is 19.8% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£929/sq ft) was about 56.4% above the typical sold price in the postcode. At 45 m² it's 18.2% smaller than the typical home in the postcode (55 m² median across 42 EPCs).
Price for Flat 3 has grown more than fourfold since the 1996 starting point.
£539,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.9% per year over 15 years.
£450,000
Growth on file: 12.9% per year over 15 years.
On habitable rooms, Flat 3 runs well behind the street norm.
Price per m²
£10,000
Street avg £9,405
Floor Area
45 m²
Street avg 63 m²
Habitable Rooms
1 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 upgraded for better temperature management
Single glazing replaced with double or better glazing
Are we missing something? Tell us about home improvements to help adjust your valuation.
8 April 2011Most recent
£450,000
+500.0%over 14 years20 June 1996
£75,000
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
1.7 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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