your contract is actually with the manufacture and not JJB. although they would generally be your first point of call.
personally i'd contact Edward directly...see what they can do.
"Satisfactory quality is defined as what a ‘reasonable person’ would regard as acceptable, and takes into account factors such as price paid, fitness for purpose specified, appearance and finish, freedom from minor blemishes, safety and durability. If it becomes apparent that an item is not of the quality you were led to expect, you were not aware of any such defect when you bought it, and you bought from a seller acting ‘in the course of a business’ (i.e. not an informal sale), you are quite within your rights to go back to the retailer, even after some months of use. If a product develops a fault within the first 6 months, the assumption will be that this defect was present at the time of purchase and you will not have to prove anything. If you are returning an item after this 6 month time period, this automatic assumption does not apply, and it may be up to you to prove the fault did not occur through misuse. You should also consider aspect of durability and acceptance." - From the What Consumer site.
Also, your contract for a product is actually with the supplier of the product, not with the manufacturer, which is why your first point of call when something breaks should be the supplier rather than the manufacturer, as they are the ones that must make good.