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Get started21 Venn Street is a mid-terrace house in Lambeth, London, London (SW4 0AZ). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1900-1929 and council tax band D. At 69 m² this is the 11th smallest of 22 units on EPC record in the building, where floor areas span 49–99 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (March 2017) shows a C (score 69), just inside the C band.
Sale prices here have outpaced London HPI: 8.8% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,019/sq ft) was about 204.7% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: May 2023 at £757,000.
21 Venn Street has 2 separate extension applications on the council record.
Extension: Single storey · Side and rear of property
Erection of a single storey rear/side infill extension
Price for 21 Venn Street has grown more than fourfold since the 1997 starting point.
£692,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.8% per year over 26 years.
£757,000
Growth on file: 8.8% per year over 26 years.
21 Venn Street outperforms the street on price per m² by a wide margin.
Price per m²
£10,971
Street avg £6,053
Floor Area
69 m²
Street avg 74 m²
Habitable Rooms
3 rooms
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Nelson's Row — bus stop.

Daytime· 07:00 – 23:00
55.5dB

Extension: Single storey
Erection of a single storey ground floor rear/side infill extension.
30 May 2023Most recent
£757,000
+8.1%over 5 years9 June 2017
£700,000
+105.9%over 10 years18 May 2007
£339,950
+79.9%over 6 years30 June 2000
£189,000
+122.4%over 3 years27 June 1997
£85,000
Median price across the last 5 sales in SW4 0AZ: £785,000 (2024–2016).
Street avg 3 rooms
CO₂ Emissions
2.4 t/year
Street avg 3.0 t/year
Closest school
0.1 km
Clapham Manor Primary School. 80 schools nearby.
Night-time· 23:00 – 07:00
45.5dB
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