Penn Cottage and The Old Castle House is a Grade II listed building in the Babergh local planning authority area, England. First listed on 10 July 1980. House. 2 related planning applications.

Penn Cottage and The Old Castle House

WRENN ID
idle-marble-mint
Grade
II
Local Planning Authority
Babergh
Constituency
South Suffolk MP: James Cartlidge (Con)
Country
England
Date first listed
10 July 1980
Type
House
Address
Penn Cottage and The Old Castle House, 23, Swan Street, Boxford, CO10 5NZ
OS grid reference
TL 961 405
Coordinates
52.02907, 0.85806
Source
Historic England listing

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

Description

Penn Cottage and The Old Castle House are a building dating probably from the 16th and 17th centuries, originally timber-framed and plastered. In the 19th century, the front was completely rebuilt in a castellated style. The building is two storeys high and has a three-window front with double-hung sashes and glazing bars. Upper-storey windows have hood moulds, and the ground-storey windows are slightly bowed. A castellated porch projects from the central block. The roof is tiled and hidden behind a castellated parapet.

Local climate

Penn Cottage and The Old Castle House sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 97% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 62% of listed buildings.

It experiences an average of 23 freeze-thaw cycles a year, fewer than 76% 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 — 3 transactions since 1996
  • 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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