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Get startedBasement Flat is a two-bedroom mid-terrace house in London (SW10 9NR). It has a recorded floor area of 72 m² (around 775 sq ft) and construction records dating it to 1900-1929. Tenure is freehold. The latest certificate (September 2024) shows a C (score 79), near the top of the C band.
Sale prices here have outpaced London HPI: 6.1% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,419/sq ft) was about 113.3% above the typical sold price in the postcode. It changed hands recently, sold January 2025 for £1,100,000. At 72 m² it sits well below the postcode median (114 m² across 14 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). 5 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.
Basement Flat's carbon output is low for the local stock.
Basement Flat has 2 separate extension applications on the council record.
Extension: Single storey · Rear of property
Erection of single storey rear infill extension at lower ground floor level.
Basement Flat has more than tripled in price since its earliest registered sale in 2003.
£1,019,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 21 years.
£1,100,000
Growth on file: 6.1% per year over 21 years.
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On years held, Basement Flat runs well behind the street norm.
Price per m²
£15,278
Street avg £8,740
Floor Area
72 m²
Street avg 79 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
Reported crime in the wider district is trending notably upward year-on-year.
Crime
7/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Chelsea & Westminster Hospital — bus stop.

Daytime· 07:00 – 23:00
57.2dB

Retention of alterations to the rear garden including construction of planters and hardsurfacing.
3 more applications for this property
Join to see all planning history.
30 January 2025Most recent
£1,100,000
+11.4%over 2 years9 December 2022
£987,500
+221.1%over 19 years12 September 2003
£307,500
Median price across the last 5 sales in SW10 9NR: £2,236,860 (2023–2017).
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Sold Nov 2022
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Sold Jul 2022
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Sold Sept 2018
4 Redcliffe Road Kensington And Chelsea London
Sold Jul 2017
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Detailed EPC data
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Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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CO₂ Emissions
1.5 t/year
Street avg 3.5 t/year
SW10 9NE
Closest school
0.2 km
Servite RC Primary School. 57 schools nearby.
Night-time· 23:00 – 07:00
48.2dB