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3 planning records
About 13 Northwick Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
13 Northwick Avenue is a three-bedroom semi-detached house in Harrow (HA3 0AA). It has a recorded floor area of 166 m² (around 1787 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (September 2018) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 67).
At 166 m² the property is well over the postcode median (91 m² across 27 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £854,000 is 22.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£389/sq ft) was about 17.4% above the typical sold price in the postcode. Last sale on file: £695,000 in February 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
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
- Bathrooms2
Outside
- Parkingoff_road
Building
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
13 Northwick Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
A
B
C
D
E
E44
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
9.2 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 13 Northwick Avenue, Harrow, HA3 0AA, sourced from the PlanIt planning register.
13 Northwick Avenue has been extended on multiple sides of the property across separate planning applications.
- Jul 2018ExtensionFullRefused
Extension: Side and rear of property
Extending existing single storey rear and side extension to the dwellinghouse
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
Current estimate
See how we calculated this£854,000
Modelled from EPC, postcode comparables.
Last sold (2021)
£695,000
Recorded with HM Land Registry.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 13 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.
13 Northwick Avenue is notably below the street on epc rating.
Price per m²
£4,187
Street avg £3,996
Floor Area
166 m²
Street avg 151 m²
Habitable Rooms
6 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 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 13 Northwick Avenue, Harrow, HA3 0AA. Each answer is also embedded as structured data for search engines.