Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get startedFlat 4 is a semi-detached house in London (SW17 8JS). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1900-1929 and council tax band D. At 54 m² this is the 7th smallest of 13 units on EPC record in the building, where floor areas span 37–132 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (February 2026) shows a C (score 74). The rating has held steady at C across 2 certificates since March 2016. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Good. The recommended improvements would push it to B (score 81). This certificate was lodged in the last six months, so the rating reflects current condition.
Sale prices here have outpaced London HPI: 7.2% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£989/sq ft) was about 202.4% above the typical sold price in the postcode. Most recent transfer: October 2020 at £575,000. Across the public record there are 4 sales, relatively high churn for a single property. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs).
Flat 4's carbon output is low for the local stock.
Price for Flat 4 has grown more than fourfold since the 1998 starting point.
£604,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.2% per year over 22 years.
£575,000
Growth on file: 7.2% per year over 22 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
On price per m², Flat 4 stands well clear of the street.
Price per m²
£10,648
Street avg £4,898
Floor Area
54 m²
Street avg 60 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
0.2 km
Fontenoy Road — bus stop.

Daytime· 07:00 – 23:00
51.8dB

Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
2 October 2020Most recent
£575,000
+8.5%over 4 years24 June 2016
£530,000
+66.9%over 8 years29 June 2007
£317,500
+159.2%over 8 years17 July 1998
£122,500
Median price across the last 5 sales in SW17 8JS: £711,000 (2025–2022).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
Ad-free · Instant access · Secure Stripe checkout · One-off payment
CO₂ Emissions
1.5 t/year
Street avg 3.1 t/year
SW17 8PF
Closest school
0.6 km
Rutherford House School. 67 schools nearby.
Night-time· 23:00 – 07:00
43.5dB