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Get started4 Dewey Street is a three-bedroom semi-detached house in Wandsworth, London, London (SW17 8TQ). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (April 2022) shows a D (score 57), a step below the typical UK home. When first surveyed in October 2010 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good. The recommended improvements would lift it to B (score 87), a 2-band jump.
Sale prices here have outpaced London HPI: 5.1% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£836/sq ft) was about 177.5% above the typical sold price in the postcode. A recent sale: £675,000 in August 2025. One planning record on file: an extension approved in 2026. Past consents include an extension, meaningful when judging how the property has evolved. At 75 m² it's 23.5% smaller than the typical home in the postcode (98 m² median across 15 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
Alterations including erection of a hip-to-gable side roof extension and extension to the main rear roof, including raising the ridge by 340mm.
Sale price has grown by over 3x since 2003.
£689,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 23 years.
£675,000
Growth on file: 5.1% per year over 23 years.
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Detailed AI analysis
4 Dewey Street outperforms the street on price per m² by a wide margin.
Price per m²
£9,000
Street avg £5,751
Floor Area
75 m²
Street avg 111 m²
Habitable Rooms
4 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

Changes detected from historical EPC data
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
22 August 2025Most recent
£675,000
+170.1%over 21 years11 March 2004
£249,950
+13.6%over 1 year7 January 2003
£220,000
Median price across the last 5 sales in SW17 8TQ: £731,000 (2023–2018).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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Street avg 5 rooms
CO₂ Emissions
4.0 t/year
Street avg 4.1 t/year
SW17 8TQ
Closest school
0.1 km
Tooting Primary School. 57 schools nearby.
Night-time· 23:00 – 07:00
44.1dB