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Get started57a, Northwick Avenue, Harrow, HA3 0AU
2 planning records
About 57a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
57a is a four-bedroom detached house in Harrow (HA3 0AU). It has a recorded floor area of 120 m² (around 1292 sq ft), construction records dating it to 2007 onwards and council tax band F. The latest certificate (April 2024) shows a C (score 74). Earlier certificates rated it B (November 2010); the latest reading is one band lower. Between certificates, roof efficiency dropped from Good to Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 86).
Today's modelled estimate of £812,000 sits 53.2% above the 2011 sale of £530,000. On the market in August 2011 and unlisted since — roughly 15 years. 2 planning records sit against the property, 0 approved, 2 refused.
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
- Bedrooms4
- Bathrooms2
- EnsuiteYes
Outside
- Garage
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 3)
Apr 2024
EPC Rating
A
B
C
C74
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
3.3 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 57a, Northwick Avenue, Harrow, HA3 0AU, sourced from the PlanIt planning register.
- Oct 2012New BuildFullRefuse Planning Permission
Erection of a two-storey detached dwelling house as revised by plans.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Current estimate
See how we calculated this£812,000
Modelled from EPC, postcode comparables.
Last sold (2011)
£530,000
Recorded with HM Land Registry.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 57a, Northwick Avenue, Harrow, HA3 0AU
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
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 — tram stop.
Road noise across the postcode
Modelled day and night-time noise levels around HA3 0AU from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
49.8dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 70 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 57a, Northwick Avenue, Harrow, HA3 0AU. Each answer is also embedded as structured data for search engines.