Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get startedBasement is a mid-terrace house in London (SW1X 8HN). It has a recorded floor area of 67 m² (around 721 sq ft) and construction records dating it to before 1900. The latest certificate (February 2021) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 4 certificates since January 2009. Between certificates, lighting went from Very Poor to Poor. The recommended improvements would push it to C (score 69).
Today's modelled estimate of £1,571,000 sits 116.7% above the 2024 sale of £725,000. One planning record on file: an extension approved in 2007. Past consents include an extension, meaningful when judging how the property has evolved. Sold August 2024 for £725,000.
Basement has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Construction of single storey glazed extension to rear of lower ground studio flat.
Basement valuation sits well clear of the typical sold price in this postcode.
£1,571,000
Modelled from EPC, postcode comparables.
£725,000
Recorded with HM Land Registry.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
An AI-written breakdown of everything that matters
Years Held for Basement lags the street by a wide margin.
Price per m²
£10,821
Street avg £15,669
Floor Area
67 m²
Street avg 82 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
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
Pont Street — bus stop.

Daytime· 07:00 – 23:00
60.5dB

Launch offer
Secure checkout · One-off payment

Changes detected from historical EPC data
More low energy lighting installed
Heating system changed
Changed to a more efficient fuel source
Hot water system changed
Low energy lighting percentage decreased
Heating system upgraded to a more efficient system
Hot water system upgraded
Single glazing replaced with double or better glazing
Are we missing something? Tell us about home improvements to help adjust your valuation.
1 August 2024Most recent
£725,000
Median price across the last 5 sales in SW1X 8HN: £1,100,000 (2025–2019).
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

CO₂ Emissions
3.5 t/year
Street avg 3.5 t/year
SW1X 8RR
Closest school
0.5 km
Holy Trinity CofE Primary School. 56 schools nearby.
Night-time· 23:00 – 07:00
51.3dB