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Get startedApartment 303 is a semi-detached house in Westminster, London, London (W2 1AN). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 2007-2011 and council tax band G. The latest certificate (December 2020) returns a high B (score 85), putting the home a stone's throw from an A rating. The rating has held steady at B across 2 certificates since November 2010. Between certificates, lighting went from Good to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. At 89 m² this is the 70th smallest of 90 units on EPC record in the building, where floor areas span 38–142 m². The building's EPC ratings span C to B, with this unit at the top.
It hasn't traded since December 2010, a hold of 15 years that's notably long for the area. At 89 m² it's 20.3% larger than the typical home in the postcode (74 m² median across 89 EPCs). Today's modelled estimate of £1,245,000 is 37.6% above the 2010 sale price.
Apartment 303's carbon output is low for the local stock.
Apartment 303 valuation sits well clear of the typical sold price in this postcode.
£1,245,000
Modelled from EPC, postcode comparables.
£905,000
Recorded with HM Land Registry.
Apartment 303 outperforms the street on epc rating by a wide margin.
Price per m²
£10,169
Street avg £11,057
Floor Area
89 m²
Street avg 76 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
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
Praed Street — bus stop.

Daytime· 07:00 – 23:00
63.0dB

Changes detected from historical EPC data
Changed to a more efficient fuel source
Hot water efficiency decreased
Wall insulation upgraded
Are we missing something? Tell us about home improvements to help adjust your valuation.
15 December 2010Most recent
£905,000
Median price across the last 5 sales in W2 1AN: £860,000 (2025–2020).
Apartment 204 4 Merchant Square East Westminster London
Sold Jul 2025
Apartment 104 4 Merchant Square East Westminster London
Sold Jul 2023
Apartment 507 4 Merchant Square East Westminster London
Sold Jul 2022
Apartment 606 4 Merchant Square East Westminster London
Sold Nov 2021
Apartment 705 4 Merchant Square East Westminster London
Sold Nov 2020
CO₂ Emissions
1.1 t/year
Street avg 1.1 t/year
W2 1NT
Closest school
0.3 km
Ark King Solomon Academy. 61 schools nearby.
Night-time· 23:00 – 07:00
53.8dB
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