Parts, fitting and included keys
Lock-change cost
Compare the exact lock specification and fitting work. Two “lock changes” can involve different hardware, security grades and door modification.
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| Replacement job | Expected range | Scope |
|---|---|---|
| Standard euro-cylinder replacement, fitted | £100–£150 | The cylinder specification and number of included keys still matter. |
| Higher-security or anti-snap euro cylinder | £125–£175 | Brand and security grade materially affect the parts cost. |
| Standard mortice-lock replacement | £115–£190 | Door modification or a non-standard lock case can change the total. |
These are directional 2026 UK research ranges for defined jobs, not quotes from every business. Legitimate prices can fall outside them when the scope, time, location or parts differ.
Ask for these details
- Lock make and typeCylinder, mortice, night latch and multipoint locks are not interchangeable prices.
- Security gradeAsk why the proposed specification suits the door and insurer requirements.
- Keys includedConfirm the number of keys and the cost of extras.
- Fitting and guaranteeInclude labour, door modification, VAT and the cover on parts and workmanship.