Latitude: 51.4798 / 51°28'47"N
Longitude: -0.4503 / 0°27'0"W
OS Eastings: 507714
OS Northings: 176789
OS Grid: TQ077767
Mapcode National: GBR 23.K4Z
Mapcode Global: VHFTK.42TD
Plus Code: 9C3XFGHX+WV
Map layers use either open data or maps from the Ordnance Survey and Maptiler APIs.
Historic map layers are currently experimental and may not necessarily be available all the time.
If you want to view the location on an external mapping site, then follow one of these links:
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NLS (Historic)
Entry Name: Monument at North Western End of General Roys Survey Base
Listing Date: 15 December 1997
Grade: II
Source: Historic England
Source ID: 1119717
English Heritage Legacy ID: 469215
ID on this website: 101119717
Location: Hillingdon, London, TW6
County: London
District: Hillingdon
Electoral Ward/Division: Heathrow Villages
Parish: Non Civil Parish
Built-Up Area: Hillingdon
Traditional County: Middlesex
Lieutenancy Area (Ceremonial County): Greater London
Church of England Parish: St Mary the Virgin Harmondsworth
Church of England Diocese: London