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Get startedFlat 3, 4 Halkin Street, Westminster, London, SW1X 7DJ
About Flat 3
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Flat 3 is a mid-terrace house in Westminster, London, London (SW1X 7DJ). It has a recorded floor area of 70 m² (around 751 sq ft) and construction records dating it to before 1900. The latest certificate (April 2011) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 56). The latest certificate is from April 2011, so improvements made since then won't be reflected.
At 70 m² it's 29.6% smaller than the typical home in the postcode (99 m² median across 7 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 86% 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.
Flat 3's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 21 Apr 2021
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Flat 3 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£1,351,000
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.
Launch offer · 33% off
The complete analysis of Flat 3, 4 Halkin Street, Westminster, London, SW1X 7DJ
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
An AI-written breakdown of everything that matters
Versus other Halkin Street homes
Four headline reads against 7 similar flats on this street, drawn from the latest EPC and Land Registry data.
CO₂ Emissions for Flat 3 lags the street by a wide margin.
EPC Rating
54 (E)
Street avg 60 (D)
Floor Area
70 m²
Street avg 91 m²
CO₂ Emissions
7.1 t/year
Street avg 4.6 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
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Hyde Park Corner — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SW1X 7DJ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
61.9dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 86 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about Flat 3, 4 Halkin Street, Westminster, London, SW1X 7DJ. Each answer is also embedded as structured data for search engines.
