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Get started9 Trevor Street, Westminster, London, SW7 1DX
7 planning records
About 9 Trevor Street
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
9 Trevor Street is a four-bedroom mid-terrace house in Westminster, London, London (SW7 1DX). It has a recorded floor area of 192 m² (around 2067 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (June 2015) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2009. Between certificates, roof efficiency went from Very Poor to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from June 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced London HPI: 11.8% per year against 0% for the wider region. Today's modelled estimate of £3,869,000 is 21% below the 2015 sale of £4,900,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£2,371/sq ft) was about 138.9% above the typical sold price in the postcode. 7 planning records sit against the property, 4 approved, 2 refused. Past consents include an extension, a basement excavation and partial demolition, meaningful when judging how the property has evolved. 10 years since the last transfer (December 2015). At 192 m² it's 28.9% smaller than the typical home in the postcode (270 m² median across 7 EPCs).
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms4
- Bathrooms3
- Dining roomYes
- CloakroomYes
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
9 Trevor Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Jun 2025
Planning history
Applications and permits filed against 9 Trevor Street, Westminster, London, SW7 1DX, sourced from the PlanIt planning register.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Jun 2021BasementHeritageGranted
Extension: Rear of property
Demolition of existing closet wing extension and erection of a new rear closet wing extension from ground to second floor levels with infill extension at lower ground and ground floor levels, excavation beneath garden to create a new basement level, and internal alterations.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Price for 9 Trevor Street has grown more than fourfold since the 2002 starting point.
Current estimate
See how we calculated this£3,869,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.8% per year over 13 years.
Last sold (2015)
£4,900,000
Growth on file: 11.8% per year over 13 years.
Sales timeline
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The complete analysis of 9 Trevor Street, Westminster, London, SW7 1DX
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Trevor Street homes
Four headline reads against 7 similar houses on this street, drawn from the latest EPC and Land Registry data.
On price per m², 9 Trevor Street stands well clear of the street.
Price per m²
£25,521
Street avg £17,153
Floor Area
192 m²
Street avg 251 m²
Habitable Rooms
5 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the London district page.
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
Knightsbridge Barracks — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SW7 1DX from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
57.0dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 86 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 9 Trevor Street, Westminster, London, SW7 1DX. Each answer is also embedded as structured data for search engines.