For brevity this does not include markers and milestones, parts of buildings or ornamental features to main bridges, stained glass and other artistic works attached to places of worship.
Art at Brookwood cemetery, the UK's most populous, are not listed here as its land is open to those paying their respects but private.
Community project millennial tapestries and embroideries are on public display in visitor centres at Dunsfold, Holmbury St Mary and Sunbury-on-Thames.
Clock towers (including clock housings on metal posts) are excluded from the list such as in Abinger Hammer (although its colourful blacksmith sculpture striking a bell overhangs a public road), Bisley, Cobham, Epsom, and Sunbury.
Moved architecture/relics such as part of the Leptis Magna (Roman city) ruins and some fountains have been included, lacking practical purposes.