Boundary Stone, Royal Botanic Gardens Kew is a Grade II listed building in the Richmond upon Thames local planning authority area, England. First listed on 25 May 1983. A 1728 Monument.

Boundary Stone, Royal Botanic Gardens Kew

WRENN ID
late-column-pearl
Grade
II
Local Planning Authority
Richmond upon Thames
Constituency
Richmond Park MP: Sarah Olney (LD)
Country
England
Date first listed
25 May 1983
Type
Monument
Address
Boundary Stone, Royal Botanic Gardens Kew, Kew Green, TW9 3AB
OS grid reference
TQ 182 765
Coordinates
51.47586, -0.299
Source
Historic England listing

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

Description

The boundary stone located in the Royal Botanic Gardens at Kew is a stone structure approximately 18 inches high, featuring a square section with a chamfered crown. The north face of the stone is inscribed with the letters "T RM" and the year "1728".

Local climate

Boundary Stone, Royal Botanic Gardens Kew sits in one of the driest parts of the UK, with an average of 700 mm of rain a year. This makes it drier than 92% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 90% of listed buildings.

It experiences an average of 30 freeze-thaw cycles a year, fewer than 64% 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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