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Get startedFlat 1 is a one-bedroom mid-terrace house in London (SW3 3JD). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1900-1929 and council tax band E. At 56 m² this is the 2nd smallest of 5 units on EPC record in the building, where floor areas span 35–64 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (March 2021) shows a C (score 69), just inside the C band. When first surveyed in May 2011 the rating was E, the property has climbed 2 bands since. Between certificates, lighting went from Very Poor to Very Good.
Sale prices here have outpaced London HPI: 11.5% per year against 0% for the wider region. Today's modelled estimate of £861,000 is 30.6% below the 2014 sale of £1,240,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£2,057/sq ft) was about 186.6% above the typical sold price in the postcode. On the market in September 2014 and unlisted since — roughly 12 years.
Flat 1 has more than doubled in price since the earliest registered sale in 2004.
£861,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.5% per year over 10 years.
£1,240,000
Growth on file: 11.5% per year over 10 years.
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Detailed AI analysis
On price per m², Flat 1 stands well clear of the street.
Price per m²
£22,143
Street avg £11,693
Floor Area
56 m²
Street avg 68 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Walpole Street — bus stop.

Daytime· 07:00 – 23:00
56.8dB

Changes detected from historical EPC data
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
2 September 2014Most recent
£1,240,000
+189.7%over 9 years16 November 2004
£428,000
Median price across the last 5 sales in SW3 3JD: £965,000 (2025–2013).
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CO₂ Emissions
2.1 t/year
Street avg 3.4 t/year
SW3 3UD
Closest school
0.2 km
St Joseph's Catholic Primary School. 54 schools nearby.
Night-time· 23:00 – 07:00
47.1dB