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 1 is a semi-detached house in London (SE21 8JD). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (May 2021) shows a D (score 57), a step below the typical UK home. When first surveyed in July 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average and lighting went from Good to Very Good. The recommended improvements would push it to C (score 73).
Sale prices here have outpaced London HPI: 10.9% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£664/sq ft) was about 88.5% above the typical sold price in the postcode. Last sale on file: £565,000 in March 2023.
Sale price has at least doubled since 2014.
£602,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.9% per year over 8 years.
£565,000
Growth on file: 10.9% per year over 8 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
On price per m², Flat 1 stands well clear of the street.
Price per m²
£7,152
Street avg £5,157
Floor Area
79 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
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
10 March 2023Most recent
£565,000
+135.4%over 8 years12 December 2014
£240,000
Median price across the last 5 sales in SE21 8JD: £480,000 (2025–2024).
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
4.1 t/year
Street avg 2.6 t/year
SE21 8EZ
Closest school
0.4 km
The Elmgreen School. 64 schools nearby.
Night-time· 23:00 – 07:00
45.1dB