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Get startedFlat 4 is a one-bedroom semi-detached house in London (SW17 9DW). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1900-1929 and council tax band B. At 42 m² this is the smallest unit on EPC record across the building (42–82 m²). The building's EPC ratings span E to C across 5 units on file. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. The latest certificate (March 2019) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78).
Sale prices here have outpaced London HPI: 9.1% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£664/sq ft) was about 67.1% above the typical sold price in the postcode. 9 years since the last transfer (October 2017). At 42 m² it's 22.2% smaller than the typical home in the postcode (54 m² median across 39 EPCs).
Price for Flat 4 has grown more than fourfold since the 1997 starting point.
£326,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.1% per year over 20 years.
£300,000
Growth on file: 9.1% per year over 20 years.
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Detailed AI analysis
On habitable rooms, Flat 4 runs well behind the street norm.
Price per m²
£7,143
Street avg £5,271
Floor Area
42 m²
Street avg 51 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
0.3 km
Walpole Road — bus stop.

Daytime· 07:00 – 23:00
53.5dB

27 October 2017Most recent
£300,000
+466.0%over 19 years16 December 1997
£53,000
Median price across the last 5 sales in SW17 9DW: £790,000 (2025–2023).
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Detailed EPC data
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Full planning history
Every application and decision on record
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CO₂ Emissions
2.2 t/year
Street avg 2.1 t/year
SW17 9NH
Closest school
0.4 km
Sellincourt Primary School. 56 schools nearby.
Night-time· 23:00 – 07:00
42.5dB