Former Royal Naval Hospital Sundial in Front and West of the Quadrangle Centre is a Grade II listed building in the Plymouth local planning authority area, England. First listed on 1 May 1975. Sundial.

Former Royal Naval Hospital Sundial in Front and West of the Quadrangle Centre

WRENN ID
last-frieze-evening
Grade
II
Local Planning Authority
Plymouth
Constituency
Plymouth Sutton and Devonport MP: Luke Pollard (Lab)
Country
England
Date first listed
1 May 1975
Type
Sundial
Address
Former Royal Naval Hospital Sundial in Front and West of the Quadrangle Centre, High Street, City of Plymouth
OS grid reference
SX 466 547
Coordinates
50.37218, -4.158
Source
Historic England listing

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

Description

The sundial at the former Royal Naval Hospital, located in front and west of The Quadrangle Centre, dates from around 1765 and was created by John Gilbert of London. It features a brass sundial mounted on a turned freestone pedestal, which is set in a former composite millstone made of six stones dovetailed together. This sundial is part of a significant group of hospital buildings.

Local climate

Former Royal Naval Hospital Sundial in Front and West of the Quadrangle Centre sits in a wetter-than-average part of the UK, with an average of 990 mm of rain a year. This makes it wetter than 80% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 89% of listed buildings.

It experiences an average of 9 freeze-thaw cycles a year, fewer than 91% of listed buildings. Of these, 3 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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  • 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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Nearby listed buildings

  1. Former Royal Naval Hospital the Quadrangle Centre Grade II* 64 m
  2. Former Royal Naval Hospital the Church of the Good Shepherd Grade II 113 m
  3. Former Royal Naval Hospital Pavilion North of Inner Gates (Pay Office) Grade II 135 m
  4. Former Royal Naval Hospital the Square Number 14 (Middleton Lodge) and Wall Grade II 136 m
  5. Former Royal Naval Hospital Inner Gate Piers and Gates Grade II 139 m
  6. Former Royal Naval Hospital Octagonal Posting Box Immediately South of Pay Office Grade II 139 m
  7. Former Royal Naval Hospital the Square Number 16 and Rear Courtyard Wall Grade II 152 m
  8. Former Royal Naval Hospital: The Square Numbers 8 and 9 and Area Walls and Railings Grade II 159 m
  9. Former Royal Naval Hospital North Gateway and Store and Attached Walls Grade II 160 m
  10. Former Royal Naval Hospital the Square Numbers 1, 2 and 3 and Area Walls and Railings Grade II 166 m