Mill Stream Cottage, Willow Avenue, Denham, Uxbridge, UB9 4AF
About Mill Stream Cottage
Mill Stream Cottage is an end-of-terrace house in Denham, Uxbridge, Uxbridge (UB9 4AF). It has a recorded floor area of 174 m² (around 1873 sq ft) and construction records dating it to before 1900. The latest certificate (June 2025) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in May 2015 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 81), a 2-band jump.
At 174 m² the property is well over the postcode median (130 m² across 7 EPCs), placing it in the larger end of the local stock. 5 planning records sit against the property, 0 approved, 0 refused. The record references listed-building consent, which constrain future alterations. Today's modelled estimate of £880,000 is 21.4% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£387/sq ft) was about 59.1% above the typical sold price in the postcode. Last changed hands 10 years ago, in November 2016.
Energy performance
Mill Stream Cottage's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
- Jan 2014ConditionsIn report
Application for approval of details reserved by condition 3 of planning permission 13/01404/FUL and 13/01433/LBC.
- Reference
- 13/02060/COND
- Oct 2013ExtensionHeritageIn report
Extension: Single storey · Rear of property
Listed Building Application for single storey rear extension. Removal of internal block wall between store and kitchen. Re-slating of roof over store. Replacement and rationalisation of timber windows to part of rear elevation.
Listed- Documents
- 2 docs on file
- Reference
- 13/01433/LBC
What's in Mill Stream Cottage, Willow Avenue, Denham, Uxbridge, UB9 4AF's planning history?
3 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
Latest sale on Mill Stream Cottage was the highest on Land Registry record across the postcode.
£880,000
Modelled from EPC, postcode comparables.
£725,000
Recorded with HM Land Registry.
Sales timeline
10 November 2016Most recent
£725,000
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
£705,0001a, Willow Avenue, Denham, Uxbridge, UB9 4AF
Sold Mar 2025
£500,0003a, Willow Avenue, Denham, Uxbridge, UB9 4AF
Sold Apr 2021
£480,0002a, Willow Avenue, Denham, Uxbridge, UB9 4AF
Sold Mar 2020
£490,000Old Mill House, Willow Avenue, Denham, Uxbridge, UB9 4AF
Sold Apr 2015
£499,999
Versus other Willow Avenue homes
Floor Area for Mill Stream Cottage runs comfortably ahead of the street norm.
Price per m²
£4,167
Street avg £4,415
Floor Area
174 m²
Street avg 121 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
7.5 t/year
Street avg 4.3 t/year
Similar properties nearby
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UB9 4EJ
1 Hawthorn Drive, Denham
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1 Willow Crescent East, Denham
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1 Kings Mill Way, Denham
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1 Orchard Close, Denham
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1 Misbourne Meadows, Denham
UB9 4AD
1 Courtfield Gardens, Denham
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1 Denham Close, Denham
UB9 4EE
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







