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Get started34 Trevor Square is a mid-terrace house in Westminster, London, London (SW7 1DY). It has a recorded floor area of 194 m² (around 2088 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (October 2025) shows a C (score 69), just inside the C band. When first surveyed in February 2010 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and hot-water efficiency went from Average to Good; while window efficiency dropped from Poor to Very Poor. The recommended improvements would push it to B (score 81).
Its energy rating outperforms most of the postcode (better than 89% of similar EPCs). 6 planning records sit against the property, 0 approved, 2 refused.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
1 x lime: (rear garden): crown lift to 2 metres.
34 Trevor Square has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£5,153,000
Modelled from EPC, postcode comparables.
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.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
34 Trevor Square outperforms the street on epc rating by a wide margin.
EPC Rating
69 (C)
Street avg 52 (E)
Floor Area
194 m²
Street avg 219 m²
CO₂ Emissions
5.4 t/year
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Harrods — bus stop.

Daytime· 07:00 – 23:00
57.5dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
1 x lime tree: crown reduce to previous, most recent reduction points, retaining shortened furnishing growth and retaining at least 50% of fine branch structure within the crown. Reduce lateral growth by 1m, retaining screening.
4 more applications for this property
Join to see all planning history.
Median price across the last 5 sales in SW7 1DY: £5,500,000 (2021–2005).
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Street avg 9.6 t/year
Habitable Rooms
7 rooms
Street avg 7 rooms
Closest school
0.9 km
St Joseph's Catholic Primary School. 56 schools nearby.
Night-time· 23:00 – 07:00
49.3dB