Originally Posted by
SpammersAreScum
Something like this might work. It's quite sturdy and collapses down to 40 cm with handle unscrewed. And with the handle off you can screw on your camera to use it as a monopod. This is Amazon US, but hopefully UK has it as well?
https://www.amazon.com/gp/product/B0B1PNHD1G
Looks great but it has a spike at the end, so not sure if that would be acceptable?