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Get startedFlat 4 is a detached house in London (SW1X 0DY). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to before 1900 and council tax band G. At 84 m² this is the 2nd smallest of 5 units on EPC record in the building, where floor areas span 78–136 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (September 2009) shows a C (score 71). The latest certificate is from September 2009, so improvements made since then won't be reflected.
At 84 m² it sits well below the postcode median (123 m² across 22 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). 2 planning records sit against the property, 2 approved, 0 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved.
Flat 4'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This certificate is over 10 years old and is no longer valid.Expired 30 Sept 2019
Installation of 4 new rooflight windows to roof. Conversion of existing loft space to bedroom and internal alterations to existing flat.
Flat 4 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,842,000
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.
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On floor area, Flat 4 runs well behind the street norm.
EPC Rating
71 (C)
Street avg 61 (D)
Floor Area
84 m²
Street avg 141 m²
CO₂ Emissions
3.3 t/year
Street avg 6.2 t/year
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Sloane Street / Sloane Square Station — bus stop.

Daytime· 07:00 – 23:00
57.7dB

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Installation of 4 new rooflight windows to roof. Conversion of existing loft space to bedroom and internal alterations to existing flat.
Median price across the last 5 sales in SW1X 0DY: £1,547,000 (2025–2023).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Plus much more
Comparable sales, transport, crime, schools and more

Habitable Rooms
3 rooms
Street avg 4 rooms
SW1X 0LJ
Closest school
0.2 km
St Joseph's Catholic Primary School. 52 schools nearby.
Night-time· 23:00 – 07:00
47.5dB