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Get startedApartment 9, 25 Castlereagh Street, Westminster, London, W1H 5BU
About Apartment 9
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Apartment 9 is a property in Westminster, London, London (W1H 5BU). It has a recorded floor area of 118 m² (around 1270 sq ft), construction records dating it to 2012-2021 and council tax band G. At 118 m² this is the largest unit on EPC record across the building (45–118 m²). The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (December 2025) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (August 2015); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.
At 118 m² the property is well over the postcode median (82 m² across 9 EPCs), placing it in the larger end of the local stock.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
The EPC has just been inspected, so the rating reflects current condition.
Current Certificate(1 of 2)
Dec 2025
EPC Rating
A
B
C
C79
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Gas
Hot Water
Average
Windows
Average
CO2 Emissions
2.0 t/year
Occupancy
Owner Occupied
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Apartment 9 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£1,611,000
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 Castlereagh Street homes
Four headline reads against 7 similar flats on this street, drawn from the latest EPC and Land Registry data.
On floor area, Apartment 9 stands well clear of the street.
EPC Rating
79 (C)
Street avg 77 (C)
Floor Area
118 m²
Street avg 73 m²
CO₂ Emissions
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
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
George Street (W2) — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around W1H 5BU from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
64.6dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 87 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 Apartment 9, 25 Castlereagh Street, Westminster, London, W1H 5BU. Each answer is also embedded as structured data for search engines.