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Get started4a, Junction Mews, Westminster, London, W2 1PN
About 4a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
4a is a mid-terrace house in Westminster, London, London (W2 1PN). It has a recorded floor area of 50 m² (around 538 sq ft) and construction records dating it to 1930-1949. At 50 m² this is the 4th smallest of 18 units on EPC record in the building, where floor areas span 37–323 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (July 2025) shows a C (score 72). The rating has held steady at C across 2 certificates since June 2015. Between certificates, lighting went from Very Poor to Very Good.
At 50 m² it sits well below the postcode median (101 m² across 17 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 71% of similar EPCs).
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
Jul 2025
EPC Rating
A
B
C
C72
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
1.6 t/year
Occupancy
—
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
4a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
Current estimate
See how we calculated this£508,000
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.
Versus other Junction Mews homes
Four headline reads against 5 similar flats on this street, drawn from the latest EPC and Land Registry data.
4a outperforms the street on co₂ emissions by a wide margin.
EPC Rating
72 (C)
Street avg 74 (C)
Floor Area
50 m²
Street avg 77 m²
CO₂ Emissions
1.6 t/year
Street avg 2.0 t/year
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
19/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Sussex Gardens — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around W2 1PN from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
63.6dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 88 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 4a, Junction Mews, Westminster, London, W2 1PN. Each answer is also embedded as structured data for search engines.