Important links:
DDRC RCSEd DDRCHealthcare. UKDMC
Planning a dive in the UK
A few places inland to practice like Stoney Cove, or Capernwray.
For sea diving, contacts:
Planning a trip abroad
Shopping/Servicing
A few places to buy online (like gloves in Kubi), etc
Or to get in person, also to organise local trips like Robin Hood and Scuba Leeds