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Get started20 Knowles Walk is a detached house in Lambeth, London, London (SW4 6BY). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1976-1982 and council tax band B. At 50 m² this is the 15th smallest of 20 units on EPC record in the building, where floor areas span 33–55 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (October 2015) shows a C (score 70). The latest certificate is from October 2015, so improvements made since then won't be reflected.
At 50 m² it's 16.3% larger than the typical home in the postcode (43 m² median across 19 EPCs).
This certificate is over 10 years old and is no longer valid.Expired 09 Oct 2025
20 Knowles Walk has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£321,000
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.
20 Knowles Walk outperforms the street on epc rating by a wide margin.
EPC Rating
70 (C)
Street avg 66 (D)
Floor Area
50 m²
Street avg 42 m²
CO₂ Emissions
1.9 t/year
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.4 km
Clapham High Street Rail Station — railway station.

Daytime· 07:00 – 23:00
53.6dB

Median price across the last 3 sales in SW4 6BY: £174,950 (2012–2005).
Street avg 2.0 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
SW4 6LW
Closest school
0.3 km
Clapham Manor Primary School. 83 schools nearby.
Night-time· 23:00 – 07:00
42.9dB