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Get started23a, Elmsleigh Avenue, Harrow, HA3 8HX
About 23a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
23a is a semi-detached house in Harrow (HA3 8HX). It has a recorded floor area of 43 m² (around 463 sq ft) and construction records dating it to 1930-1949. At 43 m² this is the smallest unit on EPC record across the building (43–173 m²). The building's EPC ratings span D to C, with this unit at the top. The latest certificate (August 2015) shows a C (score 69), just inside the C band. The latest certificate is from August 2015, so improvements made since then won't be reflected.
At 43 m² it sits well below the postcode median (98 m² across 14 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 79% 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.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 31 Aug 2025
EPC Rating
A
B
C
C69
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
1.9 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.
23a 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£263,000
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 23a, Elmsleigh Avenue, Harrow, HA3 8HX
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Elmsleigh Avenue homes
Four headline reads against 3 similar flats on this street, drawn from the latest EPC and Land Registry data.
Floor Area for 23a lags the street by a wide margin.
EPC Rating
69 (C)
Street avg 69 (C)
Floor Area
43 m²
Street avg 69 m²
CO₂ Emissions
1.9 t/year
Street avg 2.5 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 Harrow district page.
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Hunters Grove (HA3) — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around HA3 8HX from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
50.1dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 72 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 23a, Elmsleigh Avenue, Harrow, HA3 8HX. Each answer is also embedded as structured data for search engines.