The Old Mill House is a Grade II listed building in the Chichester local planning authority area, England. First listed on 28 January 1986. House. 2 related planning applications.

The Old Mill House

WRENN ID
sombre-portal-flax
Grade
II
Local Planning Authority
Chichester
Constituency
Chichester MP: Jess Brown-Fuller (LD)
Country
England
Date first listed
28 January 1986
Type
House
Address
The Old Mill House, Mill Lane, Sidlesham
OS grid reference
SZ 861 973
Coordinates
50.76913, -0.77985
Source
Historic England listing

Also on this page: sale history · EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The Old Mill House is an 18th-century building, originally two storeys high with three windows. The front of the building is faced with flints and has red brick dressings, quoins, a flush string course, and vertical strips. The south front has been stuccoed. It has a tiled roof, sash windows with Venetian shutters, but without glazing bars. The south gable has a half-hip design. A modern porch has been added.

Local climate

The Old Mill House receives an average of 910 mm of rain a year. This makes it wetter than 69% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 94% of listed buildings.

It experiences an average of 7 freeze-thaw cycles a year, fewer than 96% of listed buildings. Of these, 4 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 — 3 transactions since 1998
  • 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
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