5 Ashburnham Avenue, Harrow, HA1 2JQ
About 5 Ashburnham Avenue
5 Ashburnham Avenue is a three-bedroom semi-detached house in Harrow (HA1 2JQ). It has a recorded floor area of 106 m² (around 1141 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (November 2015) shows a G (score 1), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 79), a 4-band jump. Main heating runs on to be used only when there is no heating/hot. The latest certificate is from November 2015, so improvements made since then won't be reflected.
At 106 m² it's 24.3% smaller than the typical home in the postcode (140 m² median across 12 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 5 planning records sit against the property, 2 approved, 1 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £824,000 is 31.1% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£551/sq ft) was about 56.5% above the typical sold price in the postcode. 10 years since the last transfer (January 2016).
Know exactly what you're buying at 5 Ashburnham Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
Energy performance
5 Ashburnham Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 03 Nov 2025
EPC Rating
Planning history
5 Ashburnham Avenue has been extended on multiple sides of the property across separate planning applications.
- Jun 2021Loft ConversionAmendmentIn report
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof; rear dormer; two rooflights in front roofslope; window in end gable (demolition of chimney)
- Documents
- 11 docs on file
- Reference
- P/1462/21
- Jul 2017ExtensionFullIn report
Extension: Side and rear of property
Single storey side to rear extension
- Documents
- 12 docs on file
- Reference
- P/1813/17
We flagged 2 things worth checking at 5 Ashburnham Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
5 Ashburnham Avenue valuation sits well clear of the typical sold price in this postcode.
£824,000
Modelled from EPC, postcode comparables.
£628,500
Recorded with HM Land Registry.
Sales timeline
29 January 2016Most recent
£628,500
Median price across the last 5 sales in HA1 2JQ: £670,000 (2024–2019).
Nearby sales in HA1 2JQ
Everything we know about 5 Ashburnham Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Ashburnham Avenue homes
Price per m² for 5 Ashburnham Avenue runs comfortably ahead of the street norm.
Price per m²
£5,929
Street avg £4,456
Floor Area
106 m²
Street avg 145 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
11.0 t/year
Street avg 6.8 t/year
Similar properties nearby
1 Bonnersfield Close
HA1 2LQ
1 Flambard Road
HA1 2NB
1 Hill Road
HA1 2PN
1 Croft Villas, Bonnersfield Lane
HA1 2LF
1 Kenton Road
HA1 2BL
1 High Mead
HA1 2TX
1 Kenton Avenue
HA1 2BN
1 Glenwood Close
HA1 2QN
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
28/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Gayton Road — bus stop.
Closest school
0.1 km
Harrow High School. 39 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
56.0dB

Night-time· 23:00 – 07:00
46.3dB