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Get startedFlat 4 is a mid-terrace house in London (SW1X 0BB). It has a recorded floor area of 120 m² (around 1292 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (May 2018) shows an E (score 40), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since May 2015. Between certificates, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on electricity.
Sale prices here have lagged London HPI: -9.8% per year against 0% for the wider region. Today's modelled estimate of £2,705,000 sits 63.9% above the 2021 sale of £1,650,000. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include new windows, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Sold March 2021 for £1,650,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Flat 4's carbon output runs well above what efficient homes in the postcode produce.
Proposed enlargement of 1 nwindow at ground floor level, replacement of 2 timber sash windows with 2 french timber doors at lower ground floor level and proposed infill of gap between boiler room and bedroom at lower ground floor level. Relocation of staircase.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£2,705,000
Modelled from EPC, postcode comparables and a sale-price growth of -9.8% per year over 5 years.
£1,650,000
Growth on file: -9.8% per year over 5 years.
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EPC Rating for Flat 4 lags the street by a wide margin.
Price per m²
£13,750
Street avg £16,355
Floor Area
120 m²
Street avg 140 m²
Habitable Rooms
5 rooms
Street avg 4 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
58.4dB

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Changes detected from historical EPC data
Hot water system upgraded
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Alterations and replacement of windows at basement and ground floor levels to elevations within internal lightwell including the introduction of new French doors.
31 March 2021Most recent
£1,650,000
-42.1%over 5 years21 December 2015
£2,850,000
Median price across the last 5 sales in SW1X 0BB: £1,350,000 (2025–2021).
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
9.5 t/year
Street avg 4.8 t/year
SW1X 0DG
Closest school
0.4 km
St Joseph's Catholic Primary School. 53 schools nearby.
Night-time· 23:00 – 07:00
48.2dB