21a is a three-bedroom mid-terrace house in Wandsworth, London, London (SW8 3TS). It has a recorded floor area of 71 m² (around 764 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 71 m² this is the 23rd smallest of 24 units on EPC record in the building, where floor areas span 46–72 m². The building's EPC ratings span G to C across 24 units on file. The latest certificate (September 2012) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 69). The latest certificate is from September 2012, so improvements made since then won't be reflected.
Sale prices here have outpaced London HPI: 10.3% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,004/sq ft) was about 106.3% above the typical sold price in the postcode. At 71 m² it's 19.2% larger than the typical home in the postcode (60 m² median across 23 EPCs). Last changed hands 9 years ago, in August 2017.
21a's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 27 Sept 2022
No planning applications are recorded against 21a, Gambetta Street, Wandsworth, London, SW8 3TS. The full report also covers planning activity across the surrounding area.
Full planning data for 21a, Gambetta Street, Wandsworth, London, SW8 3TS
Every application and decision on this property and nearby, in full, in the report.
Latest sale on 21a was the highest on Land Registry record across the postcode.
£771,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.3% per year over 5 years.
£767,500
Growth on file: 10.3% per year over 5 years.
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On floor area, 21a stands well clear of the street.
Price per m²
£10,810
Street avg £8,817
Floor Area
71 m²
Street avg 59 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Prairie Street — bus stop.

Daytime· 07:00 – 23:00
53.9dB

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18 August 2017Most recent
£767,500
+59.9%over 4 years6 November 2012
£480,000
Median price across the last 5 sales in SW8 3TS: £645,000 (2025–2023).
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
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CO₂ Emissions
3.6 t/year
Street avg 2.8 t/year
SW8 3ES
Closest school
0.3 km
Heathbrook Primary School. 82 schools nearby.
Flood risk
Very low
From the Environment Agency.
Night-time· 23:00 – 07:00
44.4dB