Oscar Locksmith

The most important step when choosing a locksmith in Chelsea is checking their credentials. Look for membership of the Master Locksmiths Association (MLA), which requires locksmiths to pass criminal record checks and practical skills assessments. Alternatively, check that the locksmith has a valid DBS (Disclosure and Barring Service) certificate. You can verify MLA members on the MLA website by postcode. Avoid calling numbers from stickers placed on your door — these are often call centres that dispatch unvetted contractors.

Always agree a fixed price before any work begins. A reputable locksmith will give you a clear quote over the phone that includes the callout fee, labour and any parts needed. Be wary of anyone who quotes a low callout fee then adds charges on arrival. Emergency callouts (evenings, weekends, bank holidays) cost more — typically £80-£180 — but the total should still be agreed upfront. If a locksmith refuses to give a price before attending, call someone else.

For non-emergency work like lock changes after moving house, get quotes from at least two or three locksmiths. Ask what brand of lock they will fit — British Standard BS3621 locks are required by most insurance policies. Check Google reviews for comments about professionalism, timekeeping and whether the locksmith left the property secure. A good locksmith will also advise on security improvements without pressuring you into unnecessary upgrades.