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Get startedFlat 12 is a one-bedroom mid-terrace house in Kensington And Chelsea, London, London (SW3 1NG). It has a recorded floor area of 52 m² (around 560 sq ft) and construction records dating it to 1900-1929. The latest certificate (February 2026) shows a C (score 71). When first surveyed in April 2015 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Poor and hot-water efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition. At 52 m² this is the 2nd smallest of 12 units on EPC record in the building, where floor areas span 51–82 m². The building's EPC ratings span D to B across 12 units on file.
Sale prices here have outpaced London HPI: 6.9% per year against 0% for the wider region. Today's modelled estimate of £779,000 is 13.4% below the 2016 sale of £900,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£1,608/sq ft) was about 96.1% above the typical sold price in the postcode. 10 years since the last transfer (March 2016). At 52 m² it's 24.6% smaller than the typical home in the postcode (69 m² median across 15 EPCs).
The EPC has just been inspected, so the rating reflects current condition.
Sale price has at least doubled since 2001.
£779,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 15 years.
£900,000
Growth on file: 6.9% per year over 15 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Floor Area for Flat 12 lags the street by a wide margin.
Price per m²
£17,308
Street avg £12,048
Floor Area
52 m²
Street avg 68 m²
Habitable Rooms
2 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
58.9dB

Changes detected from historical EPC data
Changed to a more efficient fuel source
Heating controls changed
Hot water efficiency decreased
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
21 March 2016Most recent
£900,000
+150.7%over 10 years22 April 2005
£359,000
+8.8%over 4 years6 April 2001
£330,000
Median price across the last 5 sales in SW3 1NG: £1,025,000 (2025–2020).
Flat 2 1 Beauchamp Place Kensington And Chelsea London
Sold Jun 2025
Flat 8 1 Beauchamp Place Kensington And Chelsea London
Sold Sept 2024
Flat 7 1 Beauchamp Place Kensington And Chelsea London
Sold Sept 2024
Flat 1 1 Beauchamp Place Kensington And Chelsea London
Sold Sept 2020
Flat 5 1 Beauchamp Place Kensington And Chelsea London
Sold May 2020
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Street avg 3 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.3 t/year
SW3 1RT
Closest school
0.6 km
Marlborough Primary School. 53 schools nearby.
Night-time· 23:00 – 07:00
49.2dB