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About 4a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
4a is an end-of-terrace house in London (NW10 4AH). It has a recorded floor area of 25 m² (around 269 sq ft) and construction records dating it to 1900-1929. At 25 m² this is the smallest unit on EPC record across the building (25–88 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 (50 versus a best of 71). The latest certificate (August 2020) shows an E (score 50), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since January 2020. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on electricity.
At 25 m² it sits well below the postcode median (55 m² across 18 EPCs), making it one of the more compact homes locally. 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.
4a sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
Current Certificate(1 of 2)
Aug 2020
EPC Rating
A
B
C
D
E
E50
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Good
Windows
Average
CO2 Emissions
2.1 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.
4a 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£214,000
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 4a, St Thomas S Road, London, NW10 4AH
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other St Thomas S Road homes
Four headline reads against 11 similar flats on this street, drawn from the latest EPC and Land Registry data.
Floor Area for 4a lags the street by a wide margin.
EPC Rating
50 (E)
Street avg 63 (D)
Floor Area
25 m²
Street avg 52 m²
CO₂ Emissions
2.1 t/year
Street avg 2.6 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
11/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Craven Park — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around NW10 4AH from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
55.2dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 79 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 4a, St Thomas S Road, London, NW10 4AH. Each answer is also embedded as structured data for search engines.