Photos show example party set up in halls in Bitterne area. Hall booking should be made separately directly with the hall (for details click on link).
Bitterne Parish Hall
Bitterne Parish Hall, Whites Road, Bitterne (next to Wesley Centre)
Any of the castles fit in this hall except the Pink Palace castle (height).
Other halls in the Bitterne area:-
Bitterne Manor Community Centre, Vespasian Road, SO18 1AX