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Get started10 Dewey Street is a three-bedroom mid-terrace house in Wandsworth, London, London (SW17 8TQ). It has a recorded floor area of 137 m² (around 1475 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (March 2018) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80). Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy.
At 137 m² the property is well over the postcode median (94 m² across 15 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £928,000 is 38.5% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£454/sq ft) was about 50.8% above the typical sold price in the postcode. Last sold in April 2018, so it's been off the market for around 8 years.
10 Dewey Street has an approved single-storey side extension on the planning record.
Erection of dormer roof extension to main rear roof (with french doors and safety railings) and roof extension over two-storey back addition (with french doors and safety railings).
10 Dewey Street valuation sits well clear of the typical sold price in this postcode.
£928,000
Modelled from EPC, postcode comparables.
£670,000
Recorded with HM Land Registry.
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Detailed AI analysis
10 Dewey Street outperforms the street on floor area by a wide margin.
Price per m²
£4,891
Street avg £6,338
Floor Area
137 m²
Street avg 106 m²
Habitable Rooms
6 rooms
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Tooting / The Mitre — bus stop.

Daytime· 07:00 – 23:00
54.8dB

Extension: Single storey · Side of property
Alterations including erection of single-storey side extension.
26 April 2018Most recent
£670,000
Median price across the last 5 sales in SW17 8TQ: £731,000 (2025–2019).
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Street avg 5 rooms
CO₂ Emissions
4.5 t/year
Street avg 4.0 t/year
SW17 8SF
Closest school
0.1 km
Tooting Primary School. 57 schools nearby.
Night-time· 23:00 – 07:00
44.1dB