PeterC wrote:

are there any makes that are good quality and rigid in use? I'm getting
a bit old for wobbly-ladder fun! Probably go for BS 2037 Class 1 at least
EN131.

Having chopped-up my dodgy wooden ladder that came 'free' with the
house, I'm happy with my double 'trade' aluminium one (with the optional
articulating feet).

http://www.ladders-999.co.uk/alloy-ladders/trade-alloy-ladders.html