4 Buonaparte Mews, Westminster, London, SW1V 3SQ
About 4 Buonaparte Mews
4 Buonaparte Mews is a property in Westminster, London, London (SW1V 3SQ). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1930-1949 and council tax band E. At 54 m² this is the smallest unit on EPC record across the building (54–122 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (July 2025) shows a C (score 72).
At 54 m² it sits well below the postcode median (105 m² across 11 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at 4 Buonaparte Mews
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
4 Buonaparte Mews's carbon output is low for the local stock.
EPC Rating
Planning history
4 Buonaparte Mews has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 4 Buonaparte Mews
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
4 Buonaparte Mews has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£495,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
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 4 Buonaparte Mews, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Buonaparte Mews homes
4 Buonaparte Mews is notably below the street on floor area.
EPC Rating
72 (C)
Street avg 66 (D)
Floor Area
54 m²
Street avg 91 m²
CO₂ Emissions
1.4 t/year
Street avg 3.9 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
Similar properties nearby
10 Buonaparte Mews, Westminster
SW1V 3SQ
101 St Georges Square, Westminster
SW1V 3QP
103e, St Georges Square
SW1V 3QP
103d, St Georges Square
SW1V 3QP
101a, St Georges Square, Westminster
SW1V 3QP
103c, St Georges Square
SW1V 3QP
1 Buonaparte Mews, Westminster
SW1V 3SQ
103b, St Georges Square
SW1V 3QP
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Pimlico Station — bus stop.
Closest school
0.3 km
Pimlico Primary. 80 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
60.5dB

Night-time· 23:00 – 07:00
51.7dB