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Get started11 12 is an end-of-terrace house in Westminster, London, London (SW1X 8LB). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (March 2025) shows an E (score 43), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since November 2009. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Good and hot-water efficiency went from Very Poor to Poor; while main heating dropped from Good to Very Poor. Main heating runs on electricity.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 6 planning records sit against the property, 6 approved, 0 refused. Past consents include new windows, meaningful when judging how the property has evolved.
11 12 sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
11 12 has been through 6 approved planning applications — a well-evolved property.
Internal alterations at ground and basement levels.
11 12 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
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.
Median price across the last 2 sales in SW1X 8LB: £760,000 (2021–2013).
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11 12 is notably below the street on epc rating.
EPC Rating
43 (E)
Street avg 66 (D)
Floor Area
86 m²
Street avg 99 m²
CO₂ Emissions
5.2 t/year
Street avg 4.2 t/year
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
60.2dB

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Changes detected from historical EPC data
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Hot water system upgraded
Are we missing something? Tell us about home improvements to help adjust your valuation.
Display of non-illuminated projecting sign measuring 0.6m x 0.4m.
4 more applications for this property
See the full planning history in the property report.
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

Habitable Rooms
3 rooms
Street avg 4 rooms
SW1X 8RR
Closest school
0.7 km
Holy Trinity CofE Primary School. 52 schools nearby.
Night-time· 23:00 – 07:00
51.4dB