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Get startedApartment 403, 3 Merchant Square, Westminster, London, W2 1AZ
EPC B
About Apartment 403
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Apartment 403 is a detached house in Westminster, London, London (W2 1AZ). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to 2012 onwards and council tax band G. The latest certificate (February 2025) returns a B (score 83), comfortably above the UK average. The rating has held steady at B across 3 certificates since July 2014. Between certificates, wall efficiency went from Average to Very Good; while window efficiency dropped from Very Good to Good and hot-water efficiency dropped from Very Good to Good. Main heating runs on electricity. At 117 m² this is the 63rd smallest of 79 units on EPC record in the building, where floor areas span 42–127 m². The building's EPC ratings span C to A across 79 units on file.
At 117 m² the property is well over the postcode median (88 m² across 78 EPCs), placing it in the larger end of the local stock. Last changed hands 12 years ago, in September 2014. Today's modelled estimate of £1,684,000 is 26.4% above the 2014 sale price.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Apartment 403's carbon output is low for the local stock.
Current Certificate(1 of 3)
Feb 2025
EPC Rating
A
B
B83
C
D
E
F
G
Main Heating
—
Main Fuel
Electric
Hot Water
Good
Windows
Good
CO2 Emissions
0.3 t/year
Occupancy
Rented
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Apartment 403 valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£1,684,000
Modelled from EPC, postcode comparables.
Last sold (2014)
£1,332,500
Recorded with HM Land Registry.
Sales timeline
Versus other Merchant Square homes
Four headline reads against 78 similar flats on this street, drawn from the latest EPC and Land Registry data.
CO₂ Emissions for Apartment 403 runs comfortably ahead of the street norm.
Price per m²
£11,389
Street avg £13,624
Floor Area
117 m²
Street avg 88 m²
Habitable Rooms
4 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
19/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Edgware Road — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around W2 1AZ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
63.1dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 92 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 403, 3 Merchant Square, Westminster, London, W2 1AZ. Each answer is also embedded as structured data for search engines.