11 Ash Green, Denham, Uxbridge, UB9 4EJ
About 11 Ash Green
11 Ash Green is a semi-detached house in Denham, Uxbridge, Uxbridge (UB9 4EJ). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (December 2021) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 84), a 3-band jump.
Held since November 2004 — that's 22 years off the open market, well above the local norm. Today's modelled estimate of £509,000 sits 88.5% above the 2004 sale of £270,000. On a £-per-square-foot basis, the last sale (£295/sq ft) was about 48.5% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). 5 planning records sit against the property, 0 approved, 2 refused.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
A partial demolition application was refused at 11 Ash Green in 2021.
- Dec 2021SubdivisionFullIn report
Extension: Part single, part two storey
Subdivision of plot and erection of 2 semi-detached dwellings. Part single/part two storey rear extension to existing dwelling and demolition of store.
- Agent
- ES Architecture Ltd
ExtensionDemolition- Documents
- 14 docs on file
- Reference
- PL/20/1694/FA
- Jan 2019ExtensionFullIn report
Extension: Side and rear of property
Single storey rear, Two storey side/rear extension incorporating dormer window to front elevation
- Agent
- ES Architecture Ltd
- Documents
- 9 docs on file
- Reference
- PL/18/4445/FA
We flagged 1 thing worth checking at 11 Ash Green
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.
- A planning decision worth checking
30-day money-back guarantee
Sales history & valuation
£509,000
Modelled from EPC, postcode comparables.
£270,000
Recorded with HM Land Registry.
Sales timeline
12 November 2004Most recent
£270,000
Median price across the last 5 sales in UB9 4EJ: £660,000 (2024–2019).
Nearby sales in UB9 4EJ
8 Ash Green, Denham, Uxbridge, UB9 4EJ
Sold Sept 2024
£475,000Penarth, Ash Green, Denham, Uxbridge, UB9 4EJ
Sold Feb 2023
£660,0009 Ash Green, Denham, Uxbridge, UB9 4EJ
Sold May 2021
£697,50010 Ash Green, Denham, Uxbridge, UB9 4EJ
Sold Feb 2021
£735,000Bramley Cottage, Ash Green, Denham, Uxbridge, UB9 4EJ
Sold Dec 2019
£625,000
Versus other Ash Green homes
Price per m² for 11 Ash Green lags the street by a wide margin.
Price per m²
£3,176
Street avg £6,242
Floor Area
85 m²
Street avg 109 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
5.2 t/year
Street avg 5.0 t/year
Similar properties nearby
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1 Willow Avenue, Denham
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The neighbourhood at a glance
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Knighton Way Lane — bus stop.
Closest school
1.2 km
St Mary's Catholic Primary School. 12 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
53.8dB

Night-time· 23:00 – 07:00
48.1dB







