Graham Dixon wrote:
I would suggest (after reffering to 'Collins Guide') that this is a
nymph (pre dult phatse of metamorposis) of either a Great Green Bush
Cricket or a Wart Biter. Both found (but the second not common) in
Southern England.


I'd go along with the Wart-biter.
They are definitely of the cricket family with those long antennae.
Grass-hopper antennae are much shorter.

--
ned