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About 1a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
1a is a detached house in London (W3 9SW). It has a recorded floor area of 111 m² (around 1199 sq ft), construction records dating it to before 1900 and council tax band C. At 111 m² this is the largest unit on EPC record across the building (48–111 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (52 versus a best of 72). The latest certificate (September 2009) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 65). The latest certificate is from September 2009, so improvements made since then won't be reflected.
At 111 m² it's 16% larger than the typical home in the postcode (96 m² median across 6 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
1a sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 07 Sept 2019
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
1a 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£664,000
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.
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The complete analysis of 1a, Birch Grove, London, W3 9SW
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Birch Grove homes
Four headline reads against 4 similar flats on this street, drawn from the latest EPC and Land Registry data.
On epc rating, 1a runs well behind the street norm.
EPC Rating
52 (E)
Street avg 66 (D)
Floor Area
111 m²
Street avg 77 m²
CO₂ Emissions
6.6 t/year
Street avg 3.1 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
13/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Birch Grove — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around W3 9SW from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
53.4dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 68 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 1a, Birch Grove, London, W3 9SW. Each answer is also embedded as structured data for search engines.