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Get started9a, Northwick Avenue, Harrow, HA3 0AA
9 planning records
About 9a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
9a is a semi-detached house in Harrow (HA3 0AA). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1976-1982 and council tax band F. The latest certificate (August 2022) shows a C (score 72). The rating has held steady at C across 2 certificates since September 2012. Between certificates, lighting went from Poor to Very Good; while roof efficiency dropped from Good to Poor. The recommended improvements would push it to B (score 85).
At 72 m² it sits well below the postcode median (108 m² across 27 EPCs), making it one of the more compact homes locally. 9 planning records sit against the property, 2 approved, 7 refused. Past consents include a garage conversion, meaningful when judging how the property has evolved.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
Aug 2022
EPC Rating
A
B
C
C72
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
2.4 t/year
Occupancy
Rented
Planning history
Applications and permits filed against 9a, Northwick Avenue, Harrow, HA3 0AA, sourced from the PlanIt planning register.
A recent planning application at 9a was refused — worth checking the council file.
- Jan 2024OutbuildingFullRefused
Retrospective application for detached single storey outbuilding to dwellinghouse
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
9a 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£611,000
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 9a, Northwick Avenue, Harrow, HA3 0AA
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Northwick Avenue homes
Four headline reads against 17 similar houses on this street, drawn from the latest EPC and Land Registry data.
EPC Rating for 9a runs comfortably ahead of the street norm.
EPC Rating
72 (C)
Street avg 58 (D)
Floor Area
72 m²
Street avg 157 m²
CO₂ Emissions
2.4 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
0.1 km
Northwick Park Station — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around HA3 0AA from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
51.3dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 69 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 9a, Northwick Avenue, Harrow, HA3 0AA. Each answer is also embedded as structured data for search engines.