Two Observatories in University College Quadrangle is a Grade II listed building in the Camden local planning authority area, England. First listed on 28 March 1969. Observatory. 2 related planning applications.

Two Observatories in University College Quadrangle

WRENN ID
nether-pilaster-laurel
Grade
II
Local Planning Authority
Camden
Constituency
Holborn and St Pancras
Country
England
Date first listed
28 March 1969
Type
Observatory
Address
Two Observatories in University College Quadrangle, Gower Street, WC1E 6XA
OS grid reference
TQ 295 822
Coordinates
51.52466, -0.13411
Source
Historic England listing

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

Description

Two observatories located in the University College Quadrangle were built around 1804 to 1806. They are constructed from vermiculated stone and feature domed lead roofs, with ashlar dressings. The observatories have an octagonal plan, barred windows, and wooden two-panel doors, along with projecting moulded stone cornices. The interiors have not been inspected. The buildings surrounding the quadrangle of University College are part of a cohesive group.

Local climate

Two Observatories in University College Quadrangle sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 95% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 98% of listed buildings.

It experiences an average of 35 freeze-thaw cycles a year, more than 57% of listed buildings. Of these, 16 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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  • No EPC on record for this property
  • No sale records on file
  • Related listed building consents — 2 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
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