Wellhead approximately 3 metres north of Gymnasium is a Grade II listed building in the Sevenoaks local planning authority area, England. First listed on 25 April 1994. Well head.

Wellhead approximately 3 metres north of Gymnasium

WRENN ID
lapsed-timber-fen
Grade
II
Local Planning Authority
Sevenoaks
Constituency
Sevenoaks MP: Laura Trott (Con)
Country
England
Date first listed
25 April 1994
Type
Well head
Address
Wellhead approximately 3 metres north of Gymnasium, TN14 6AE
OS grid reference
TQ 480 558
Coordinates
51.28225, 0.12092
Source
Historic England listing

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

Description

The wellhead, located approximately 3 metres north of the Gymnasium at Radnor House, Sevenoaks School, is dated 1567 in Roman numerals. It is made of black marble with white streaks, likely Travertine, and has a bulbous shape. The wellhead features an oval crest depicting a rampant lion and a crown above, set on an octagonal base. There is a partly legible inscription that probably reads "AN NIO BON SIGNOR" along with the date 1567 in Roman numerals. This wellhead was originally the centerpiece of the rose garden and has likely remained in its current position for over a hundred years.

Local climate

Wellhead approximately 3 metres north of Gymnasium receives an average of 750 mm of rain a year. This makes it drier than 70% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 71% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 18 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.

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