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Get started12 Northwick Avenue, Harrow, HA3 0AB
3 sales on record
About 12 Northwick Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
12 Northwick Avenue is a six-bedroom semi-detached house in Harrow (HA3 0AB). It has a recorded floor area of 203 m² (around 2185 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (July 2012) shows a C (score 76), near the top of the C band. The recommended improvements would push it to B (score 91). The latest certificate is from July 2012, so improvements made since then won't be reflected. Other recorded features include a conservatory.
Untraded for 18 years, with the last transfer in October 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Sale prices here have outpaced Harrow HPI: 11.5% per year against 0% for the wider region. Today's modelled estimate of £916,000 sits 52.7% above the 2008 sale of £600,000. At 203 m² the property is well over the postcode median (117 m² across 27 EPCs), placing it in the larger end of the local stock. 6 bedrooms is on the larger side for this postcode, where 3 is the typical count. 5 planning records sit against the property, 4 approved, 1 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved.
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
- Bedrooms6
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
12 Northwick Avenue's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 31 Jul 2022
Planning history
Applications and permits filed against 12 Northwick Avenue, Harrow, HA3 0AB, sourced from the PlanIt planning register.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Mar 2018ExtensionFullGranted
Extension: Single storey · Rear of property
Erection of single storey rear infill extension
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Sale price has grown by over 3x since 1996.
Current estimate
See how we calculated this£916,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.5% per year over 12 years.
Last sold (2008)
£600,000
Growth on file: 11.5% per year over 12 years.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 12 Northwick Avenue, Harrow, HA3 0AB
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 24 similar houses on this street, drawn from the latest EPC and Land Registry data.
On epc rating, 12 Northwick Avenue stands well clear of the street.
Price per m²
£2,956
Street avg £3,498
Floor Area
203 m²
Street avg 148 m²
Habitable Rooms
7 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 Avenue — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around HA3 0AB from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
52.0dB
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 12 Northwick Avenue, Harrow, HA3 0AB. Each answer is also embedded as structured data for search engines.