The Old Mill House is a Grade II listed building in the Buckinghamshire local planning authority area, England. First listed on 26 April 1985. House.
The Old Mill House
- WRENN ID
- silent-stone-auburn
- Grade
- II
- Local Planning Authority
- Buckinghamshire
- Constituency
- Beaconsfield MP: Joy Morrissey (Con)
- Country
- England
- Date first listed
- 26 April 1985
- Type
- House
- Address
- The Old Mill House, Willow Avenue, Denham
- OS grid reference
- TQ 050 847
- Coordinates
- 51.55171, -0.48569
- Source
- Historic England listing
Description
The Old Mill House is a 17th-century building that has been altered and extended in the 18th century. It features a timber frame covered in pebbledash and has an old tile roof. The ground floor includes a porch supported by cast iron columns, which holds up the first floor windows. The first floor has three tall sash windows and two shorter sash windows, all with glazing bars, and two of these windows have marginal glazing. There is a projecting band at the first floor level.
Local climate
The Old Mill House sits in one of the driest parts of the UK, with an average of 700 mm of rain a year. This makes it drier than 91% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 88% of listed buildings.
It experiences an average of 28 freeze-thaw cycles a year, fewer than 69% of listed buildings. Of these, 13 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
More on this building
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- No EPC on record for this property
- Sale history — 2 transactions since 2004
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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