Grade II listed · Windsor and Maidenhead

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

Garden Walls and Summer House at Admiralty Compass Observatory at Ditton Park is a Grade II listed building in Windsor and Maidenhead, first listed on 26 April 1984. It is one of 862 Grade II entries among 956 listed buildings in Windsor and Maidenhead; 72% of Windsor and Maidenhead’s current entries were listed before it.

List entry
FieldValue
NameGarden Walls and Summer House at Admiralty Compass Observatory at Ditton Park
GradeGrade II — special interest
List entry number1319355
Date first listed26 April 1984
Local planning authorityWindsor and Maidenhead
Location51.49070, -0.55972 (map)
Official recordHistoric England list entry 1319355

Planning works on this listed building?

Planium checks which consents Windsor and Maidenhead will require for your works on Garden Walls and Summer House at Admiralty Compass Observatory at Ditton Park, lists what the heritage statement must cover and drafts the application text.

Ask Planium what consent you need

What the grade means for works

Grade II buildings are of special interest and make up over 90% of listed buildings in England. Most alterations, extensions and many internal changes still need listed building consent from the council.

The protection covers the whole building, inside and out, plus fixtures and attached structures. Typical works that need consent: replacing windows or doors, removing walls or historic fabric, changing roof coverings, installing solar panels or external insulation, and adding extensions.

Listed buildings near Garden Walls and Summer House at Admiralty Compass Observatory at Ditton Park

NameGradeDistance
Main Building, Courtyard Walls, Stable and Gatehouse Blocks, Admiralty Compass Observatory at Ditton ParkII91 m
Main Gatehouse and Bridge at Admiralty Compass Observatory, at Ditton ParkII119 m
Granary 50 Yds South-West of Ditton FarmhouseII357 m
Barn to South-West of Ditton FarmhouseII367 m
Ditton FarmhouseII370 m
Cemetery ChapelII884 m
38, Ditton RoadII894 m
Riding Court FarmhouseII990 m
Ice House in Garden of No. 60 Lawn CloseII1.1 km
The LawnII1.2 km

Frequently asked questions

Is Garden Walls and Summer House at Admiralty Compass Observatory at Ditton Park listed?
Yes. Garden Walls and Summer House at Admiralty Compass Observatory at Ditton Park is on the National Heritage List for England as a Grade II listed building, list entry number 1319355, first listed on 26 April 1984. The full list entry with its description and map is on Historic England’s website.
Do I need consent for works to Garden Walls and Summer House at Admiralty Compass Observatory at Ditton Park?
Works that affect its character as a building of special architectural or historic interest — inside or out — need listed building consent from Windsor and Maidenhead, in addition to any planning permission or building regulations approval. Like-for-like repairs often do not, but confirm with the council’s conservation officer before you start.
Source: National Heritage List for England, © Historic England 2026, via planning.data.gov.uk. Contains Ordnance Survey data © Crown copyright and database right. Licensed under the Open Government Licence v3.0. Retrieved 12 October 2026. Local authority assigned from the list entry point. This page is a summary — the legal record is the official list entry.