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Get started90 Northwick Avenue, Harrow, HA3 0AT
1 planning record
About 90 Northwick Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
90 Northwick Avenue is a one-bedroom semi-detached house in Harrow (HA3 0AT). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (May 2023) shows an E (score 39), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump.
At 110 m² the property is well over the postcode median (55 m² across 52 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. One planning record on file: an extension approved in 2024. Past consents include an extension, a loft conversion and a garage conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £693,000 is 17.5% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£498/sq ft) was about 80.1% above the typical sold price in the postcode. Most recent transfer: March 2024 at £590,000.
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
- Bedrooms1
- Bathrooms1
- 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.
90 Northwick Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
A
B
C
D
E
E39
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Poor
Windows
Average
CO2 Emissions
8.3 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 90 Northwick Avenue, Harrow, HA3 0AT, sourced from the PlanIt planning register.
- Jun 2024Loft ConversionFullGranted
Extension: Single storey · Side and rear of property
Proposed demolition of patio, conversion of garage into habitable room, with the replacement of garage door with window, erection of single storey side to rear extension, first floor side extension, hip to gable end roof extension, rear dormer extension and installation of 2x front roof lights (Revised Description)
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
90 Northwick Avenue valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£693,000
Modelled from EPC, postcode comparables.
Last sold (2024)
£590,000
Recorded with HM Land Registry.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 90 Northwick Avenue, Harrow, HA3 0AT
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 15 similar houses on this street, drawn from the latest EPC and Land Registry data.
EPC Rating for 90 Northwick Avenue lags the street by a wide margin.
Price per m²
£5,364
Street avg £4,085
Floor Area
110 m²
Street avg 128 m²
Habitable Rooms
5 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
0.2 km
Northwick Park Underground Station — subway entrance.
Road noise across the postcode
Modelled day and night-time noise levels around HA3 0AT from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
49.1dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 71 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 90 Northwick Avenue, Harrow, HA3 0AT. Each answer is also embedded as structured data for search engines.