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Get started10 Callow Street is a mid-terrace house in Kensington And Chelsea, London, London (SW3 6BE). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to before 1900 and council tax band F. At 51 m² this is the smallest unit on EPC record across the building (51–122 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (February 2012) shows a C (score 72). The rating has held steady at C across 2 certificates since October 2008. Between certificates, lighting went from Very Poor to Average; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The latest certificate is from February 2012, so improvements made since then won't be reflected.
2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, a basement excavation and a conservatory, meaningful when judging how the property has evolved. At 51 m² it's 22.7% smaller than the typical home in the postcode (66 m² median across 11 EPCs).
10 Callow Street's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 07 Feb 2022
Extension: Single storey · Rear of property
Erection of a ground floor rear extension.
10 Callow Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£819,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Everything we know about this property, compiled into one in-depth, downloadable report.
Floor Area for 10 Callow Street lags the street by a wide margin.
EPC Rating
72 (C)
Street avg 66 (D)
Floor Area
51 m²
Street avg 67 m²
CO₂ Emissions
1.9 t/year
Street avg 2.8 t/year
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 changed
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Erection of a conservatory at ground floor level and extension at basement level, plus the insertion of a window at front basement level.
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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Habitable Rooms
3 rooms
Street avg 3 rooms
SW3 6JH
Closest school
0.3 km
Park Walk Primary School. 60 schools nearby.
Night-time· 23:00 – 07:00
48.3dB