An extract from our terms:

... Returns Policy:
We operate a return to base policy. This means that all carriage costs for return of goods are to be borne by the customer. In the event of a return, the customer should first contact us within 7 working days of receipt of goods to discuss the issue and mode of return, if appropriate. In the event of return, we cannot accept responsibility for items being returned to us that are lost in transit. It is the customers responsibility to see that returned goods reach us and in the condition they were sent to the customer. Necessary Proof of Purchase needs to be provided with all returns.

General Returns:
On receipt of goods, we will inspect the same for damage. If they are found to be in order, we will refund the cost of the goods.

Return of Damaged or Faulty Goods:
On receipt of goods, we will inspect the same for damage or fault. If we agree to the customers damage/fault observation, we will refund the full cost of the goods including prior agreed carriage back to us, or, replace the product/s and include a refund for the prior agreed carriage incurred by the customer to return the product/s back to us, as appropriate.

If we disagree with the customers damage/fault observation, we will only refund cost of goods (provided they are un-damaged).

Returns from Overseas - including UK Islands:
On receipt of goods, we will inspect the same for damage or fault. If we agree to the customers damage/fault observation, we will replace or refund the full cost of the goods as appropriate. All carriage charges, both return and re-supply, are to be borne by the customer.
...