Locks on older homes: start with the door you have

For a like-for-like mortice replacement, I look for an appropriate matching lock. Some jobs can use an existing fitting without substantial alteration; others need additional work. I explain that before you agree to it.

Like-for-like BS3621 mortice replacements start at £65, including the lock and fitting. That isn’t a promise that every old lock or door can be dealt with at the starting price. Read about lock requirements and identification.

Explain which part of the door is failing and how its sections are used. A problem with one section doesn’t describe the whole locking arrangement. The fitting needs inspection; I don’t quote a standard “stable-door lock” price without knowing what’s there.

For listed buildings or alterations where consent may be relevant, check the requirements before changing historic fabric. I don’t provide conservation or planning approval.

A stiff key can involve the key, internal wear, moisture or door alignment. On a Forsbrook repair, corrosion was involved and I was able to save the lock. That does not mean every older lock can be restored or every fault is water damage.

Read the real snapped-key repairThe guide to stiff locks

Tell me if the door is currently open, locked or unable to secure. I’ll discuss the work and agree the price before starting. I cover the Moorlands and Stoke from Forsbrook, with no call-out fee or out-of-hours increase.

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