uk-preppers.co.uk

Portable Butane Gas Hob in this week's special buys £9.99 They won't be there for long.

This is the basic bistro-stove a lot of us have.
I buy my gas from Ebay, if you're OK with buying in bulk you can find some good deals

Halfords do a slightly more substantial one for just a penny more
https://www.halfords.com/camping-leisur ... -gas-stove