tedster - 7:52 pm on Feb 13, 2012 (gmt 0)

Aji, the canonical link is not the right tool here. If you tag the .co.uk pages as .com being the canonical URL, then the .co.uk pages will eventually not show up in the search results - and the reverse would also be the case.

The ideal help for this situation would be many backlinks to the .co.uk domain coming from sites that are located in the UK.