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Get started121a is a two-bedroom detached house in Wandsworth, London, London (SW17 9PE). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 2022 and council tax band C. The latest certificate (May 2022) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 4 certificates since June 2016. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Good to Very Good and window efficiency went from Good to Very Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. Main heating runs on electricity: electricity, unspecified tariff. At 61 m² this is the 7th smallest of 21 units on EPC record in the building, where floor areas span 33–130 m². The building's EPC ratings span G to C across 21 units on file.
On a £-per-square-foot basis, the last sale (£609/sq ft) was about 94.3% above the typical sold price in the postcode. At 61 m² it's 24.7% smaller than the typical home in the postcode (81 m² median across 23 EPCs). Sold September 2022 for £400,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£398,000
Modelled from EPC, postcode comparables.
£400,000
Recorded with HM Land Registry.
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Detailed AI analysis
CO₂ Emissions for 121a runs comfortably ahead of the street norm.
Price per m²
£6,557
Street avg £4,605
Floor Area
61 m²
Street avg 78 m²
CO₂ Emissions
2.1 t/year
Street avg 3.6 t/year
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Tooting / The Mitre — bus stop.

Daytime· 07:00 – 23:00
54.8dB

Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Heating system changed
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water system changed
High performance glazing installed
Wall insulation upgraded
Roof insulation improved
Wall insulation upgraded
Loft insulation upgraded to recommended levels
Are we missing something? Tell us about home improvements to help adjust your valuation.
21 September 2022Most recent
£400,000
Median price across the last 5 sales in SW17 9PE: £740,000 (2025–2013).
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Detailed EPC data
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Years Held
4 years
Street avg 16 years
SW17 9NZ
Closest school
0.2 km
Tooting Primary School. 58 schools nearby.
Night-time· 23:00 – 07:00
44.2dB