Windsor Castle including all the buildings within the walls is a Grade I listed building in the Windsor and Maidenhead local planning authority area, England. First listed on 2 October 1975. Castle, royal palace. 21 related planning applications.
Windsor Castle including all the buildings within the walls
- WRENN ID
- white-wicket-torch
- Grade
- I
- Local Planning Authority
- Windsor and Maidenhead
- Constituency
- Windsor MP: Jack Rankin (Con)
- Country
- England
- Date first listed
- 2 October 1975
- Type
- Castle, royal palace
- Address
- Windsor Castle including all the buildings within the walls, SL4 1NJ
- OS grid reference
- SU 970 770
- Coordinates
- 51.48395, -0.60441
- Source
- Historic England listing
Description
Windsor Castle is England's largest castle and a royal palace, covering approximately 13 acres. The castle dates back to William the Conqueror, but the first stone buildings were constructed by Henry II between 1165 and 1179. The round keep is situated on an artificial motte, and there are baileys known as the Lower, Middle, and Upper Wards. There have been continuous additions since its inception, particularly after Edward III founded the Order of the Garter in 1348, leading to the construction of St George's Chapel between 1475 and 1511, and extensive rebuilding for Charles II by Hugh May. The current appearance of the castle is largely due to alterations, additions, and restorations made by James Wyatt and Sir Jeffry Wyatville around 1800 to 1830, with further work by Blore and Salvin during Queen Victoria's reign. The castle is set on a dominant cliff-top location, with a terrace garden featuring stone revetments and statuary to the east of the ridge.
Local climate
Windsor Castle including all the buildings within the walls 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- No sale records on file
- Related listed building consents — 21 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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