Garden Walls and Summer House at Admiralty Compass Observatory at Ditton Park is a Grade II listed building in the Windsor and Maidenhead local planning authority area, England. First listed on 26 April 1984. Garden walls and summer house.

Garden Walls and Summer House at Admiralty Compass Observatory at Ditton Park

WRENN ID
still-lancet-cedar
Grade
II
Local Planning Authority
Windsor and Maidenhead
Constituency
Windsor MP: Jack Rankin (Con)
Country
England
Date first listed
26 April 1984
Type
Garden walls and summer house
Address
Garden Walls and Summer House at Admiralty Compass Observatory at Ditton Park, Ditton Park Road, Datchet
OS grid reference
TQ 000 778
Coordinates
51.4907, -0.55972
Source
Historic England listing

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

Description

The garden walls and summer house at the Admiralty Compass Observatory in Ditton Park date from the 18th century. Located in the gardens to the east and south of the house, the walls are constructed of brick, while the summer house is made of rusticated brick that was previously rendered. The summer house features three arches with keyblocks, impost bands, and parapets.

Local climate

Garden Walls and Summer House at Admiralty Compass Observatory at Ditton Park 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 87% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 82% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 59% of listed buildings. Of these, 13 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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