Summerhouse in Walled Garden of Hartham Park is a Grade II listed building in the Wiltshire local planning authority area, England. First listed on 1 August 1986. Summerhouse.

Summerhouse in Walled Garden of Hartham Park

WRENN ID
grey-baluster-lichen
Grade
II
Local Planning Authority
Wiltshire
Constituency
Chippenham MP: Sarah Gibson (LD)
Country
England
Date first listed
1 August 1986
Type
Summerhouse
Address
Summerhouse in Walled Garden of Hartham Park, Corsham
OS grid reference
ST 860 721
Coordinates
51.44806, -2.20283
Source
Historic England listing

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

Description

The summerhouse in the walled garden of Hartham Park was built around 1905 by H.A. Peto. It is constructed of ashlar stone and features a stone-tiled hipped roof in the Palladian style. The design includes a modillion eaves cornice and an open loggia at the front supported by Ionic columns. The side openings are Venetian-arched, complete with a keystone and a moulded entablature that extends across slightly raised side piers. There are two attached columns on each side that were part of a former pergola. This summerhouse was originally part of a water garden that included a rectangular pond in front and a long canal aligned with the structure, which was once crossed by a low arched bridge. These features were removed for the construction of a 20th-century house, Hartham Park.

Local climate

Summerhouse in Walled Garden of Hartham Park receives an average of 840 mm of rain a year. This makes it wetter than 57% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 60% of listed buildings.

It experiences an average of 33 freeze-thaw cycles a year, fewer than 56% of listed buildings. Of these, 14 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.

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