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Get started51 Lyall Mews is a four-bedroom mid-terrace house in Westminster, London, London (SW1X 8DJ). It has a recorded floor area of 151 m² (around 1625 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (May 2013) shows an E (score 49), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since January 2009. Between certificates, hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 79), a 2-band jump. The latest certificate is from May 2013, so improvements made since then won't be reflected.
Today's modelled estimate of £3,400,000 sits 65.9% above the 2016 sale of £2,050,000. 20 planning records sit against the property, 11 approved, 9 refused. Past consents include an extension, a basement excavation and a porch, meaningful when judging how the property has evolved. At 151 m² it's 20.9% smaller than the typical home in the postcode (191 m² median across 12 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Last sold in March 2016, so it's been off the market for around 10 years.
51 Lyall Mews's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 02 May 2023
51 Lyall Mews has been through 11 approved planning applications — a well-evolved property.
Details of doors, windows and materials pursuant to conditions 7 & 8 of planning permission dated 17 December 2015 (RN: 15/09313).
51 Lyall Mews valuation sits well clear of the typical sold price in this postcode.
£3,400,000
Modelled from EPC, postcode comparables.
£2,050,000
Recorded with HM Land Registry.
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Habitable Rooms for 51 Lyall Mews lags the street by a wide margin.
Price per m²
£13,576
Street avg £24,247
Floor Area
151 m²
Street avg 196 m²
Habitable Rooms
4 rooms
Street avg 7 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
Eaton Square — bus stop.

Daytime· 07:00 – 23:00
60.3dB

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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
Details of doors, windows and materials pursuant to conditions 7 & 8 of planning permission dated 17 December 2015 (RN: 15/09308) and condition 1 of non-material amendment permission dated 7 July 2015 (RN: 15/05311).
18 more applications for this property
See the full planning history in the property report.
18 March 2016Most recent
£2,050,000
Median price across the last 5 sales in SW1X 8DJ: £4,900,000 (2025–2017).
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
8.2 t/year
Street avg 7.8 t/year
SW1X 8EW
Closest school
0.4 km
Holy Trinity CofE Primary School. 57 schools nearby.
Night-time· 23:00 – 07:00
51.1dB