I live in the United States and I bought a Serta cooling pillow top mattress topper. I think it’s gel, not foam and it’s wonderful. I purchased mine from Dillards department store for $300 but noticed that Amazon had them for $250. Mine is a 3” but when I replace it I will buy the 5”. Believe me, it is worth every penny! I used to wake up constantly because my joints would hurt. Not anymore 😊

You are in the Uk the same as me so a Hypnos bed I find really comfortable ! I have pain 24/7 and sleep most nights 7hrs ! Find it really comfortable! Premier Inn beds are Hypnos and we always sleep well in the Gatwick Premier Inn! Worth having a stretch out on one!

Last year I purchased a Sleep Mantra Queen cooling topper pillow top Optimum thickness from Amazon and it's worked out well.

New mattress or featherbed topper? Instead of getting a new mattress we got a featherbed topper. When we got the king size bed we used the queen size bed as a guest bed. Everyone mentioned how comfortable it was. Much cheaper than a mattress. There are also foam toppers, but I expect that they would be a waste of money.

We got a nectar