3 Allonby Gardens, Wembley, HA9 8QX
About 3 Allonby Gardens
3 Allonby Gardens is a semi-detached house in Wembley (HA9 8QX). It has a recorded floor area of 144 m² (around 1550 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (October 2022) shows a C (score 70). The recommended improvements would push it to B (score 82).
Held since January 2004 — that's 22 years off the open market, well above the local norm. At 144 m² the property is well over the postcode median (103 m² across 11 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). Today's modelled estimate of £704,000 sits 157.9% above the 2004 sale of £273,000. On a £-per-square-foot basis, the last sale (£176/sq ft) was about 36.9% below the postcode norm. 5 planning records sit against the property, 2 approved, 3 refused. Past consents include an extension, meaningful when judging how the property has evolved.
Know exactly what you're buying at 3 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
Energy performance
EPC Rating
Planning history
A a loft conversion application was refused at 3 Allonby Gardens in 2022.
- Aug 2022Loft ConversionOutlineIn report
Certificate of lawfulness for proposed hip to gable roof extension, rear dormer window and two front rooflights to the dwellinghouse.
- Documents
- 5 docs on file
- Reference
- 22/2148
- Feb 2019ExtensionOutlineIn report
Extension: Single storey · Rear of property
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 2.6m Eaves height - 2.4m
- Documents
- 3 docs on file
- Reference
- 19/0146
We flagged 3 things worth checking at 3 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
- A planning decision worth checking
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Sales history & valuation
3 Allonby Gardens valuation sits well clear of the typical sold price in this postcode.
£704,000
Modelled from EPC, postcode comparables.
£273,000
Recorded with HM Land Registry.
Sales timeline
15 January 2004Most recent
£273,000
Median price across the last 5 sales in HA9 8QX: £530,000 (2023–2023).
Nearby sales in HA9 8QX
Everything we know about 3 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
- A planning decision worth checking

Versus other Allonby Gardens homes
Price per m² for 3 Allonby Gardens lags the street by a wide margin.
Price per m²
£1,896
Street avg £4,298
Floor Area
144 m²
Street avg 103 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
4.4 t/year
Street avg 4.7 t/year
Similar properties nearby
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