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3 planning records
About 21 Aston Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Aston Avenue is a three-bedroom semi-detached house in Harrow (HA3 0DB). It has a recorded floor area of 230 m² (around 2476 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (September 2023) shows a C (score 72). When first surveyed in March 2010 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, hot-water efficiency went from Poor to Good and lighting went from Poor to Very Good; while roof efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. Main heating runs on electricity.
It hasn't traded since September 2010, a hold of 16 years that's notably long for the area. At 230 m² the property is well over the postcode median (164 m² across 10 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). Today's modelled estimate of £974,000 sits 123.4% above the 2010 sale of £436,000. On a £-per-square-foot basis, the last sale (£176/sq ft) was about 30.4% below the postcode norm. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and a porch, 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
- Bedrooms3
- Dining roomYes
- CloakroomYes
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.
Current Certificate(1 of 2)
Sept 2023
EPC Rating
A
B
C
C72
D
E
F
G
Main Heating
Heat Pump
Main Fuel
Electric
Hot Water
Good
Windows
Average
CO2 Emissions
5.3 t/year
Occupancy
Rented
Planning history
Applications and permits filed against 21 Aston Avenue, Harrow, HA3 0DB, sourced from the PlanIt planning register.
A recent planning application at 21 Aston Avenue was refused — worth checking the council file.
- Apr 2023PorchOutlineGranted
Certificate of lawfulness for proposed demolition of front porch and erection a replacement front porch to dwellinghouse
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
21 Aston Avenue valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£974,000
Modelled from EPC, postcode comparables.
Last sold (2010)
£436,000
Recorded with HM Land Registry.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 21 Aston Avenue, Harrow, HA3 0DB
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Aston Avenue homes
Four headline reads against 10 similar houses on this street, drawn from the latest EPC and Land Registry data.
EPC Rating for 21 Aston Avenue runs comfortably ahead of the street norm.
Price per m²
£1,896
Street avg £3,696
Floor Area
230 m²
Street avg 169 m²
Habitable Rooms
8 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
Draycott Avenue/ Woodcock Hill — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around HA3 0DB from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
49.0dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 72 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 21 Aston Avenue, Harrow, HA3 0DB. Each answer is also embedded as structured data for search engines.