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Get started11 Gassiot Road is a three-bedroom mid-terrace house in Wandsworth, London, London (SW17 8LB). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1900-1929 and council tax band C. At 48 m² this is the 5th smallest of 35 units on EPC record in the building, where floor areas span 43–156 m². The building's EPC ratings span E to C, with this unit at the top. Our model identifies extension potential, subject to local planning policy. The latest certificate (March 2019) shows a C (score 69), just inside the C band. When first surveyed in December 2013 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Average to Good and main heating went from Average to Good.
At 48 m² it sits well below the postcode median (108 m² across 36 EPCs), making it one of the more compact homes locally. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension and new windows, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£1,084/sq ft) was about 273.8% above the typical sold price in the postcode. 12 years since the last transfer (August 2014).
11 Gassiot Road has an approved rear extension on the planning record.
Extension: Rear of property
Erection of roof extension to main rear roof and above part of two storey back addition. Replacement windows and doors to front and rear elevation and new window to front elevation.
11 Gassiot Road valuation sits well clear of the typical sold price in this postcode.
£607,000
Modelled from EPC, postcode comparables.
£560,000
Recorded with HM Land Registry.
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On price per m², 11 Gassiot Road stands well clear of the street.
Price per m²
£11,667
Street avg £5,323
Floor Area
48 m²
Street avg 50 m²
Habitable Rooms
3 rooms
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Broadwater Road — bus stop.

Daytime· 07:00 – 23:00
53.8dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Window efficiency improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
Erection of dormer roof extension over main rear roof slope and above two storey rear addition. Replacement windows and doors to front and rear elevation and new window to front elevation.
15 August 2014Most recent
£560,000
Median price across the last 5 sales in SW17 8LB: £927,500 (2025–2021).
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Full planning history
Every application and decision on record
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Street avg 3 rooms
CO₂ Emissions
1.9 t/year
Street avg 2.2 t/year
SW17 8LB
Closest school
0.2 km
Franciscan Primary School. 60 schools nearby.
Night-time· 23:00 – 07:00
43.4dB