1a, Willow Avenue, Denham, Uxbridge, UB9 4AF
About 1a
1a is a two-bedroom semi-detached house in Denham, Uxbridge, Uxbridge (UB9 4AF). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (November 2024) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 87), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
A recent sale: £500,000 in March 2025. At 72 m² it sits well below the postcode median (131 m² across 7 EPCs), making it one of the more compact homes locally. Across 1996–2025, sale prices on this property compounded at 6.1% per year. On a £-per-square-foot basis, the last sale (£645/sq ft) was about 163.7% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Outside
- GarageDetached
Building
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
1a has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
Sales history & valuation
1a has more than quadrupled in price since its earliest registered sale in 1996.
£528,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 29 years.
£500,000
Growth on file: 6.1% per year over 29 years.
Sales timeline
17 March 2025Most recent
£500,000
+452.5%over 28 years29 March 1996
£90,500
Median price across the last 5 sales in UB9 4AF: £490,000 (2025–2015).
Nearby sales in UB9 4AF
4a, Willow Avenue, Denham, Uxbridge, UB9 4AF
Sold Oct 2025
£705,0003a, Willow Avenue, Denham, Uxbridge, UB9 4AF
Sold Apr 2021
£480,0002a, Willow Avenue, Denham, Uxbridge, UB9 4AF
Sold Mar 2020
£490,000Mill Stream Cottage, Willow Avenue, Denham, Uxbridge, UB9 4AF
Sold Nov 2016
£725,000Old Mill House, Willow Avenue, Denham, Uxbridge, UB9 4AF
Sold Apr 2015
£499,999
Versus other Willow Avenue homes
On price per m², 1a stands well clear of the street.
Price per m²
£6,944
Street avg £4,018
Floor Area
72 m²
Street avg 136 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
3.0 t/year
Street avg 4.9 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Oakside — bus stop.
Closest school
0.9 km
Hermitage Primary School. 17 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
54.2dB

Night-time· 23:00 – 07:00
47.4dB







