23a, Gloucester Street, Westminster, London, SW1V 2DB
About 23a
23a is a mid-terrace house in Westminster, London, London (SW1V 2DB). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to before 1900 and council tax band F. At 39 m² this is the 4th smallest of 39 units on EPC record in the building, where floor areas span 31–330 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (August 2024) shows a C (score 75), near the top of the C band. The rating has held steady at C across 4 certificates since June 2013.
Know exactly what you're buying at 23a
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
23a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Low energy lighting percentage decreased
More low energy lighting installed
Planning history
23a has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 23a
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
23a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£513,000
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.
Median price across the last 5 sales in SW1V 2DB: £595,000 (2025–2024).
Nearby sales in SW1V 2DB
Flat 5, 41 Gloucester Street, London, SW1V 2DB
Sold Aug 2025
£1,200,000Flat 4, 31 Gloucester Street, London, SW1V 2DB
Sold Dec 2024
£535,000Third & Fourth Floor Flat, 45 Gloucester Street, London, SW1V 2DB
Sold Oct 2024
£1,250,000Flat 6, 31 Gloucester Street, London, SW1V 2DB
Sold Aug 2024
£405,00013 15, Flat G, Gloucester Street, Westminster, London, SW1V 2DB
Sold May 2024
£595,000
Everything we know about 23a, 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 Gloucester Street homes
EPC Rating for 23a runs comfortably ahead of the street norm.
EPC Rating
75 (C)
Street avg 67 (D)
Floor Area
39 m²
Street avg 47 m²
CO₂ Emissions
1.2 t/year
Street avg 2.2 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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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
0.1 km
Belgrave Road — bus stop.
Closest school
0.3 km
Pimlico Primary. 69 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
58.7dB
Night-time· 23:00 – 07:00
48.5dB