Model fixings : A good place for all fastenings
Hobby King: Online models and accessories
Just Engines : Engines, Silencers and other hardware
Rapid RC. Local warehouse often selling Hobby King Stuff.
RCMF FORUM: Good place for any help or just to browse.
ModelFlying: Most used model flying forum
Vapextech UK Ltd : Good source of Rx Batteries.
tjdmodels: Large Model shop near Dartford.
Deluxe Materials :Adhesives, fuel proof.
Pyramid Stickers: Decals, Insignia and transfers
Robotbirds: Good source of electric components.
Slec Uk. Uk Based for all sorts of modelling bits including Balsa