The Water Mill Building at Hammermill Farm is a Grade II listed building in the Ashford local planning authority area, England. First listed on 9 August 1979. Mill. 5 related planning applications.

The Water Mill Building at Hammermill Farm

WRENN ID
fallen-loggia-swallow
Grade
II
Local Planning Authority
Ashford
Constituency
Weald of Kent MP: Katie Lam (Con)
Country
England
Date first listed
9 August 1979
Type
Mill
Address
The Water Mill Building at Hammermill Farm, Sissinghurst Road, Biddenden, TN27 8HD
OS grid reference
TQ 820 382
Coordinates
51.11436, 0.59896
Source
Historic England listing

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

Description

The Water Mill building at Hammermill Farm is an 18th-century structure originally associated with a hammer mill or forge established by Sir Richard Baker of Sissinghurst Castle during the reign of Queen Elizabeth I. The building is two storeys and has attics in the gable end. It is constructed of red brick with grey brick headers. It features S-shaped iron ties and a half-hipped gable end clad in weatherboard. A single window is present. An original waterwheel stands nearby.

Local climate

The Water Mill Building at Hammermill Farm sits in a drier-than-average part of the UK, with an average of 730 mm of rain a year. This makes it drier than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 55% of listed buildings.

It experiences an average of 26 freeze-thaw cycles a year, fewer than 72% 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 2022
  • Related listed building consents — 5 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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