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Get started17 Northwick Avenue, Harrow, HA3 0AA
1 planning record
About 17 Northwick Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
17 Northwick Avenue is a five-bedroom semi-detached house in Harrow (HA3 0AA). It has a recorded floor area of 124 m² (around 1335 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (August 2021) shows a D (score 59), a step below the typical UK home. The recommended improvements would lift it to B (score 82), a 2-band jump.
At 124 m² the property is well over the postcode median (91 m² across 27 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Today's modelled estimate of £776,000 sits 87% above the 2011 sale of £415,000. One planning record on file: an extension approved in 2020. Past consents include an extension, meaningful when judging how the property has evolved. Last changed hands 15 years ago, in November 2011.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms5
- Bathrooms3
- EnsuiteYes
Outside
- Private garden
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
A
B
C
D
D59
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
5.8 t/year
Occupancy
Rented
Planning history
Applications and permits filed against 17 Northwick Avenue, Harrow, HA3 0AA, sourced from the PlanIt planning register.
- Sept 2020ExtensionFullGranted
Extension: Side and rear of property
Demolition of existing garage and erection of two-storey side and rear extension to dwellinghouse
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
17 Northwick Avenue valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£776,000
Modelled from EPC, postcode comparables.
Last sold (2011)
£415,000
Recorded with HM Land Registry.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 17 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.
Price per m² for 17 Northwick Avenue lags the street by a wide margin.
Price per m²
£3,347
Street avg £4,089
Floor Area
124 m²
Street avg 154 m²
Habitable Rooms
6 rooms
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 17 Northwick Avenue, Harrow, HA3 0AA. Each answer is also embedded as structured data for search engines.