Ya seen these?: http://cgi.ebay.co.uk/Y-anchor-SOLD-SECURE-MOTORCYCLE-SECURITY-GROUND-ANCHOR_W0QQitemZ300113674203QQihZ020QQcategoryZ25643QQrdZ1QQcmdZViewItem
Take 1 of yer paving slabs up fit this flush to floor (not to top of slabs) and when landlord comes round ya can put the slab back on top so he wont notice. Just measur the almax to see if will fit through.
John
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