The Bed Shop - Woodmead - Poor quality beds

I bought a Dynamic Orthopaedic Superior Gel Memory Foam bed set from The Bed Shop in Woodmead a month ago. The memory foam clearly suffered from Amnesia as after a few days the foam did not bounce back at all and was sagging and made a big whole in the middle. I had to give photographic evidence of this, which I did. This is the poorest quality mattress, memory foam or not that I have ever encountered. Marlene, the store manager, blamed this on a factory fault. Marlene, said she would refund me but company policy dictates that I must wait 2 weeks before this can happen. 2 weeks have gone past and I was supposed to get my refund yesterday, as you only do refunds on Thursday. No refund! The Orthopaedic mattress was supposed to enhance my sleep experience and help with my constant backache but has made my life a misery. Clearly The Bed Shop sells cheap products with overpriced price tags. Then tell you lies to keep you pacified and do not deliver on their promise.