Ah. I've just spotted that this is Scotland,
the Common Law offence of Malicious Mischief therefore applies, although they'd still need to establish malicious intent.
( L-Space - scientia sapientes vocat., Tue 7 Jul 2009, 15:39, archived)

And, of course,
if it's on Council property you may be guilty of Trespass as soon as you breach any prescribed conditions of consent, which could reasonably include "Not fucking About With The Bins".
( L-Space - scientia sapientes vocat., Tue 7 Jul 2009, 15:42, archived)