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Get startedFlat 4 is an end-of-terrace house in London (SW17 9AL). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (July 2021) shows a D (score 58), a step below the typical UK home. Earlier certificates rated it C (August 2011); the latest reading is one band lower. Between certificates, window efficiency went from Poor to Average and lighting went from Average to Very Good; while roof efficiency dropped from Good to Very Poor. At 49 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 45–67 m². The building's EPC ratings span E to C across 3 units on file.
Sale prices here have outpaced London HPI: 6% per year against 0% for the wider region. Today's modelled estimate of £388,000 is 10.9% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£664/sq ft) was about 31.7% above the typical sold price in the postcode. Most recent transfer: August 2022 at £350,000. Across the public record there are 6 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. At 49 m² it's 25.2% smaller than the typical home in the postcode (66 m² median across 14 EPCs).
Flat 4 has more than tripled in price since its earliest registered sale in 1999.
£388,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 23 years.
£350,000
Growth on file: 6.0% per year over 23 years.
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Detailed AI analysis
Flat 4 is notably below the street on habitable rooms.
Price per m²
£7,143
Street avg £6,912
Floor Area
49 m²
Street avg 61 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.4 km
Longley Road — bus stop.

Daytime· 07:00 – 23:00
54.0dB

Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
19 August 2022Most recent
£350,000
-9.1%over 6 years14 December 2015
£385,000
+29.4%over 1 year4 July 2014
£297,500
+70.0%over 8 years8 September 2005
£175,000
+9.4%over 2 years29 August 2003
£160,000
+74.9%over 4 years25 August 1999
£91,500
Median price across the last 5 sales in SW17 9AL: £475,000 (2025–2021).
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CO₂ Emissions
2.9 t/year
Street avg 2.7 t/year
SW17 9PG
Closest school
0.2 km
Sellincourt Primary School. 55 schools nearby.
Night-time· 23:00 – 07:00
43.7dB