According to the link below, it is the seller rather than the manufacturer who bears the responsibility under UK law.
http://www.computeractive.co.uk/comp...ts-part-basics
"The SGA (Sale of Goods Act 1979 ) also says that you should not be left out of pocket trying to put things right. The seller has to bear certain costs, including postage or return carriage, and, particularly for heavy items, it is the retailer's responsibility to arrange for collection."