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Get startedFlat 4 is a two-bedroom semi-detached house in London (SE21 8JD). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1900-1929 and council tax band C. At 80 m² this is the largest unit on EPC record across the building (42–80 m²). The building's EPC ratings span D to C, with this unit at the top. Period features are noted in the property record. The latest certificate (May 2017) shows a C (score 71). When first surveyed in May 2012 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average and hot-water efficiency went from Good to Very Good.
Sale prices here have outpaced London HPI: 5.2% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£557/sq ft) was about 57.7% above the typical sold price in the postcode. Most recent transfer was August 2025 at £480,000 — fresh data. Across the public record there are 5 sales, relatively high churn for a single property.
Sale price has grown by over 3x since 2001.
£512,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.2% per year over 24 years.
£480,000
Growth on file: 5.2% per year over 24 years.
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Detailed AI analysis
On years held, Flat 4 runs well behind the street norm.
Price per m²
£6,000
Street avg £5,207
Floor Area
80 m²
Street avg 77 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Thurlow Park Road — bus stop.

Daytime· 07:00 – 23:00
54.0dB

Changes detected from historical EPC data
Hot water efficiency improved
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
8 August 2025Most recent
£480,000
+9.1%over 6 years19 July 2019
£440,000
+51.7%over 6 years10 October 2012
£290,000
+43.2%over 5 years20 March 2007
£202,500
+46.2%over 5 years20 April 2001
£138,500
Median price across the last 5 sales in SE21 8JD: £500,000 (2025–2024).
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CO₂ Emissions
2.6 t/year
Street avg 2.6 t/year
SE21 8EA
Closest school
0.4 km
The Elmgreen School. 64 schools nearby.
Night-time· 23:00 – 07:00
45.1dB