Not sure about south of England, but with the current Euro-Pound rate, and cheap RyanAir flights it might be worth your while considering the old Aer Lingus -200 in Dublin.
Have a look here
B737-200 Sim for booking information.
Runs for around €320 per hour (inc instructor) from memory.
Instructors available from Parc aviation, email a request to
[email protected]
BH