Cost of Lock Fitting
across the UK

# Lock Fitting Accreditation

Lock fitters in the UK can hold accreditation from several recognised trade bodies, the most prominent being the Master Locksmiths Association (MLA), which requires members to meet strict standards for training, insurance, and conduct. The Security Industry Authority (SIA) oversees certain security professionals, though not all locksmiths require SIA licensing unless they work extensively in security roles. Additionally, locksmiths may be affiliated with schemes like the Approved Provider Network or hold qualifications through awarding bodies such as City & Guilds. These accreditations demonstrate that a provider has undergone proper vetting, maintains professional standards, and commits to ongoing training and ethical practices.

To verify a lock fitter's credentials, you should ask for proof of MLA membership or other relevant certifications and check the trade body's official register directly rather than relying solely on their claim. Request details of their public liability and professional indemnity insurance, which accredited providers are required to hold at substantial levels. Ask about their training qualifications and experience with the specific type of lock or security work you need, and check for customer reviews or testimonials. This verification matters because it protects you from unqualified operators, ensures work is carried out to industry standards, and provides recourse through formal complaint procedures should something go wrong.

Accredited lock fitters typically charge between 10 and 30 percent more than unverified providers, reflecting the costs of maintaining membership, insurance, and training. While this premium may seem significant, it generally represents good value because accredited professionals are less likely to cause damage to your property, are required to offer guarantees on their work, and carry insurance that covers any liability issues. If an accredited fitter damages your door or lock during installation, you have a formal claims process rather than relying on goodwill. Additionally, many insurance companies and