[Reference: Contract/order number]
On [date], following a visit from one of your salespeople to my home, I entered into the above contract to buy [item or service].
I paid [a deposit of £xx] [the sum of £xx] however, I have now decided that I don’t want the [item or service].
The Consumer Contracts Regulations 2013 provide a 14-day cooling-off period, in which consumers can cancel contracts made away from the trader's business premises.
[If appropriate - At the time I took out the contract you also arranged [details of the ancillary contract, eg an extended warranty] accordingly this contract should also be cancelled.]
I am hereby giving notice that I wish to exercise my rights under the Regulations and cancel my contract with you.
I look forward to having my deposit returned within 7/14 [delete as applicable] days.