Portland House is a Grade II listed building in the West Suffolk local planning authority area, England. First listed on 7 August 1952. House.

Portland House

WRENN ID
tall-moulding-root
Grade
II
Local Planning Authority
West Suffolk
Constituency
Bury St Edmunds and Stowmarket MP: Dr Peter Prinsley (Lab)
Country
England
Date first listed
7 August 1952
Type
House
Address
Portland House, 74, Guildhall Street, Bury St. Edmunds
OS grid reference
TL 852 639
Coordinates
52.24287, 0.712
Source
Historic England listing

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

Description

Portland House is a house, now divided into flats, dating from the early to mid 18th century. It has a timber frame with a front made of red brick and a plain tiled roof featuring a wood modillion eaves cornice. The building is two storeys high, with attics and a cellar. The façade has five windows arranged in a 2:1:2 pattern, with the central section slightly projecting. All windows are 12-pane sashes set in flush cased frames with flat gauged arches. There is a raised brick band between the storeys and another band just below the cornice. Three hipped dormers contain small-paned casement windows. The central entrance features a recessed six-panel door framed by a Gibbs surround with rusticated architraves, a cornice, and a pediment. The interior has not been inspected but is reported to have been completely modernised, with all historic features concealed or removed.

Local climate

Portland House sits in a drier-than-average part of the UK, with an average of 710 mm of rain a year. This makes it drier than 85% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 87% of listed buildings.

It experiences an average of 36 freeze-thaw cycles a year, more than 62% of listed buildings. Of these, 19 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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  • No EPC on record for this property
  • No sale records on file
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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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