BMFA (British Model Flying Association). http://bmfa.org
RC World Ltd. www.rcworld.co.uk All sorts of spares for modelling.
RC Airplane World. www.rc-airplane-world.com
RCM&E. www.modelflying.co.uk A great monthly modelling magazine.
Slec. www.slecuk.com Balsa, spares, accessories etc.
Sarik Hobbies. www.sarikhobbies.com Plans, Plans with lasercuts parts, Balsa and more.
Just Engines Online. www.justengines.co.uk New and Spares for IC engines plus other things.
Dalewood Models. www.ebaystores.co.uk/dalewoodmodels Lots of model spares, electrical connections, cables etc.
Overlander Batteries. www.overlander.co.uk All sorts of model batteries.
The Balsa Cabin. https://balsacabin.co.uk As it says Balsa! plus some other things!
Hobby King. https://hobbyking.com/en_us Models, batteries, accessories.
Wheelspin Models & Hobbies (Cannock). https://wheelspinmodels.co.uk Models, accessories and more.