Clapham Locksmiths SW4 : Call 020 3608 1158 - 24 Hours Locksmith Clapham. Locks Supplied & Fitted. No Call-Out Charge. Non-Destructive Lockout (Door Opening). Our Clapham locksmith professionalsare available for you 24/7 and have wealth of experience in all aspects of securing your home, office, shops and all other residential & commercial properties in Clapham and the local areas. Wealso provide emergency Clapham locksmith services for those unfortunate times when you need fast response if you are locked out of your property or if your property was subject to burglary or simplyneed a door opened for any reason including internal doors.