Base of Town Mill is a Grade II listed building in the South Downs National Park local planning authority area, England. First listed on 29 October 1985. Mill base.

Base of Town Mill

WRENN ID
ancient-newel-harvest
Grade
II
Local Planning Authority
South Downs National Park
Constituency
Lewes MP: James MacCleary (LD)
Country
England
Date first listed
29 October 1985
Type
Mill base
Address
Base of Town Mill, Lewes
OS grid reference
TQ 403 100
Coordinates
50.87329, -0.00642
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The base of the Town Mill is a 19th-century structure located at the foot of Race Hill in Lewes, where the mill was relocated from Pipe Passage in 1835. It is constructed of painted brick and features a tiled roof. The building has a tall, battered octagonal shape topped with an octagonal roof. Broken cast-iron brackets are visible at the eaves, indicating the former level of a walkway around the mill. On the west side, there are two segment-headed openings, and a 20th-century garage door is present on the ground floor to the east.

Local climate

Base of Town 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 90% of listed buildings.

It experiences an average of 15 freeze-thaw cycles a year, fewer than 85% of listed buildings. Of these, 8 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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  • 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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