CJM Lock Services is an independant (non-franchised) 24 hour locksmiths, covering the whole of Cornwall. Locks opened, locks changed, locks repaired, locks installed - household, vehicle or business. 'Pickbuster' anti-bumping treatments available for cylinder locks. We offer a comprehensive uPVC window and door repair service - locks, handles, hinges, letter boxes, glazing units, damaged plastics, missing trim / vents, etc. We also offer a 24 hour boarding up service - temporarily making broken windows or doors, secure and weatherproof, until permanent repairs can be made. We aim to reach at least 90% of all call outs within 1 hour. Local engineers, local rates!