Both the aerodrome and restaurant are strictly PPR.
What? The restaurant as well?!
Biggles at Denham is pretty popular at weekends so it's only sensible to ring ahead to avoid disappointment, that's all!
With regrd to PPR, I think it's only polite to call ahead and ask if you can land somewhere. We make it a rule to do so in our Group, ever since one of our members turned up unannounced at another airfield in the middle of a microlight rally and wound up confused and in the hedge at the end of the runway.
TOO