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Get startedFirst Floor Flat is a one-bedroom mid-terrace house in London (SW3 6BE). It has a recorded floor area of 56 m² (around 603 sq ft) and construction records dating it to before 1900. The latest certificate (June 2022) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since January 2009. Between certificates, window efficiency went from Poor to Average. The recommended improvements would push it to C (score 77). Period features are noted in the property record.
Held since June 1999 — that's 27 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £1,014,000 sits 114.4% above the 1999 sale of £473,000. On a £-per-square-foot basis, the last sale (£785/sq ft) was about 26.3% below the postcode norm. At 56 m² it's 15.2% smaller than the typical home in the postcode (66 m² median across 11 EPCs).
First Floor Flat has been held in the same hands since before 2000.
£1,014,000
Modelled from EPC, postcode comparables.
£473,000
Recorded with HM Land Registry.
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Detailed AI analysis
Price per m² for First Floor Flat lags the street by a wide margin.
Price per m²
£8,446
Street avg £15,165
Floor Area
56 m²
Street avg 66 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Fulham Road / Beaufort Street — bus stop.

Daytime· 07:00 – 23:00
57.6dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Low energy lighting percentage decreased
Window efficiency improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
15 June 1999Most recent
£473,000
Median price across the last 5 sales in SW3 6BE: £895,000 (2025–2015).
First Floor Flat 2 Callow Street London
Sold Oct 2025
8 Callow Street Kensington And Chelsea London
Sold Feb 2023
6 Callow Street Kensington And Chelsea London
Sold May 2022
Ground Floor Flat 2 Callow Street London
Sold Jun 2016
10a Callow Street Kensington And Chelsea London
Sold Jan 2015
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Detailed EPC data
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Every application and decision on record
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CO₂ Emissions
2.9 t/year
Street avg 2.6 t/year
SW3 6AX
Closest school
0.3 km
Park Walk Primary School. 60 schools nearby.
Night-time· 23:00 – 07:00
48.3dB