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Get startedFlat 3 is a mid-terrace house in London (SW3 1LJ). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1930-1949 and council tax band F. At 49 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 37–84 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (June 2020) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (October 2008); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 76).
At 49 m² it sits well below the postcode median (98 m² across 21 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £674,000 is 34.8% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£948/sq ft) was about 49.6% above the typical sold price in the postcode. Sold October 2022 for £500,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£674,000
Modelled from EPC, postcode comparables.
£500,000
Recorded with HM Land Registry.
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Detailed AI analysis
On floor area, Flat 3 runs well behind the street norm.
Price per m²
£10,204
Street avg £10,998
Floor Area
49 m²
Street avg 103 m²
Habitable Rooms
2 rooms
Street avg 4 rooms
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Brompton Square — bus stop.

Daytime· 07:00 – 23:00
58.3dB

Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
13 October 2022Most recent
£500,000
Median price across the last 5 sales in SW3 1LJ: £3,600,000 (2025–2017).
Flat 2 43 Ovington Square London
Sold Apr 2025
29 Ovington Square Kensington And Chelsea London
Sold Apr 2024
25 Ovington Square Kensington And Chelsea London
Sold Nov 2021
31 Ovington Square Kensington And Chelsea London
Sold Jul 2017
Flat 1 43 Ovington Square London
Sold May 2017
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CO₂ Emissions
2.2 t/year
Street avg 4.1 t/year
SW3 1LS
Closest school
0.4 km
Marlborough Primary School. 54 schools nearby.
Night-time· 23:00 – 07:00
48.2dB