17 Allonby Gardens, Wembley, HA9 8QX
About 17 Allonby Gardens
17 Allonby Gardens is a four-bedroom semi-detached house in Wembley (HA9 8QX). It has a recorded floor area of 83 m² (around 896 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (January 2009) shows a G (score 1), near the bottom of the EPC scale. The recommended improvements would push it to F (score 27). Main heating runs on electricity. The latest certificate is from January 2009, so improvements made since then won't be reflected.
Untraded for 23 years, with the last transfer in September 2003. At 83 m² it's 27.4% smaller than the typical home in the postcode (115 m² median across 11 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £569,000 sits 127.6% above the 2003 sale of £250,000. One planning record on file: an extension approved in 2003. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved.
Know exactly what you're buying at 17 Allonby Gardens
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
- Bedrooms4
- Bathrooms2
Energy performance
17 Allonby Gardens 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This certificate is over 10 years old and is no longer valid.Expired 05 Jan 2019
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Dec 2003DemolitionFullIn report
Extension: Two storey · Side and rear of property
Demolition of an existing rear/side attached side garage and erection of a two-storey side and rear extension and single-storey rear extension to the dwellinghouse
- Agent
- Steene Associates
Extension- Documents
- 4 docs on file
- Reference
- 03/2870
We flagged 2 things worth checking at 17 Allonby Gardens
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
17 Allonby Gardens valuation sits well clear of the typical sold price in this postcode.
£569,000
Modelled from EPC, postcode comparables.
£250,000
Recorded with HM Land Registry.
Sales timeline
17 September 2003Most recent
£250,000
Median price across the last 5 sales in HA9 8QX: £530,000 (2023–2023).
Nearby sales in HA9 8QX
Everything we know about 17 Allonby Gardens, 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 Allonby Gardens homes
On epc rating, 17 Allonby Gardens runs well behind the street norm.
Price per m²
£3,005
Street avg £4,160
Floor Area
83 m²
Street avg 108 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
9.8 t/year
Street avg 4.2 t/year
Similar properties nearby
1 Forty Close
HA9 8LJ
1 College Road
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1 Beechcroft Gardens
HA9 8ER
1 Grasmere Avenue
HA9 8TA
1 First Avenue
HA9 8QG
1 Crown Green Mews, Pellatt Road
HA9 8FB
1 Elliott Close
HA9 8JH
1 Fernleigh Court
HA9 8PW
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
15/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
South Kenton Station — bus stop.
Closest school
0.4 km
Harris Primary Academy South Kenton. 40 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
46.5dB

Night-time· 23:00 – 07:00
37.0dB