Portbury Mill Ye Olde Mill is a Grade II listed building in the North Somerset local planning authority area, England. First listed on 16 March 1984. Corn mill, house. 2 related planning applications.
Portbury Mill Ye Olde Mill
- WRENN ID
- open-paling-mallow
- Grade
- II
- Local Planning Authority
- North Somerset
- Constituency
- North Somerset MP: Sadik Al-Hassan (Lab)
- Country
- England
- Date first listed
- 16 March 1984
- Type
- Corn mill, house
- Address
- Portbury Mill Ye Olde Mill, Mill Lane, BS20 7UA
- OS grid reference
- ST 499 750
- Coordinates
- 51.4718, -2.7218
- Source
- Historic England listing
Description
Portbury Mill, also known as Ye Olde Mill, is a late 18th-century corn mill that has been converted into a house. The building features painted rubble construction and a hipped pantile roof with slightly overhanging eaves. It stands three storeys tall and has two bays on the south-east elevation, along with an additional bay in a two-storey lean-to on the left. The windows are sash style with vertical glazing bars, and there are 20th-century plank doors to the left.
Local climate
Portbury Mill Ye Olde Mill receives an average of 850 mm of rain a year. This makes it wetter than 59% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 63% of listed buildings.
It experiences an average of 31 freeze-thaw cycles a year, fewer than 60% of listed buildings. Of these, 12 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 1 transaction since 2026
- Related listed building consents — 2 applications
- 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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