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Get started4a, Northwick Avenue, Harrow, HA3 0AB
1 planning record
About 4a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
4a is a three-bedroom end-of-terrace house in Harrow (HA3 0AB). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to 1967-1975 and council tax band D. Tenure is freehold. The latest certificate (February 2025) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2012. Between certificates, hot-water efficiency went from Poor to Good and lighting went from Average to Very Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 83), a 2-band jump.
Today's modelled estimate of £628,000 sits 93.8% above the 2012 sale of £324,000. Last changed hands 14 years ago, in September 2012. One historical planning record sits against the property in 2013.
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
- Bedrooms3
- EnsuiteYes
Outside
- GarageYes
Building
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.
Current Certificate(1 of 2)
Feb 2025
EPC Rating
A
B
C
D
D66
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
4.5 t/year
Occupancy
Rented
Planning history
Applications and permits filed against 4a, Northwick Avenue, Harrow, HA3 0AB, sourced from the PlanIt planning register.
- May 2013OutbuildingOutlineGranted
Certificate of lawfulness for proposed single storey detached outbuilding to rear of dwellinghouse
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
4a valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£628,000
Modelled from EPC, postcode comparables.
Last sold (2012)
£324,000
Recorded with HM Land Registry.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 4a, 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 habitable rooms, 4a runs well behind the street norm.
Price per m²
£2,769
Street avg £3,508
Floor Area
117 m²
Street avg 152 m²
Habitable Rooms
4 rooms
Street avg 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 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 4a, Northwick Avenue, Harrow, HA3 0AB. Each answer is also embedded as structured data for search engines.