20a is a two-bedroom mid-terrace house in Lambeth, London, London (SW8 3RX). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1900-1929 and council tax band D. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. At 86 m² this is the 12th smallest of 15 units on EPC record in the building, where floor areas span 34–113 m². The building's EPC ratings span F to C across 15 units on file. The latest certificate (October 2024) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2014. Between certificates, wall efficiency went from Very Poor to Poor and roof efficiency went from Very Poor to Very Good. The recommended improvements would push it to C (score 75).
Sale prices here have outpaced London HPI: 4.8% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£675/sq ft) was about 174.1% above the typical sold price in the postcode. At 86 m² the property is well over the postcode median (55 m² across 25 EPCs), placing it in the larger end of the local stock. It changed hands recently, sold July 2025 for £625,000.
No planning applications are recorded against 20a, Queenstown Road, Lambeth, London, SW8 3RX. The full report also covers planning activity across the surrounding area.
Full planning data for 20a, Queenstown Road, Lambeth, London, SW8 3RX
Every application and decision on this property and nearby, in full, in the report.
20a valuation sits well clear of the typical sold price in this postcode.
£640,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 6 years.
£625,000
Growth on file: 4.8% per year over 6 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
Years Held for 20a lags the street by a wide margin.
Price per m²
£7,267
Street avg £4,577
Floor Area
86 m²
Street avg 60 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
Reported crime in the wider district is trending notably upward year-on-year.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Queenstown Rd / Wandsworth Rd — bus stop.

Daytime· 07:00 – 23:00
54.3dB

Launch offer
Secure checkout · One-off payment
30-day money-back guarantee

Changes detected from historical EPC data
Wall insulation improved
Roof insulation improved
More low energy lighting installed
8 July 2025Most recent
£625,000
+30.2%over 5 years31 October 2019
£480,000
Median price across the last 5 sales in SW8 3RX: £495,750 (2022–2019).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
Ad-free · Secure Stripe checkout · One-off payment
30-day money-back guarantee

CO₂ Emissions
3.2 t/year
Street avg 2.7 t/year
SW8 3TU
Closest school
0.3 km
John Burns Primary School. 72 schools nearby.
Flood risk
Very low
From the Environment Agency.
Night-time· 23:00 – 07:00
44.6dB