What is a replacement lock?

A lock sized to match a common existing lock so it fits the same mortice, letting you swap a worn or failed lock without altering the door.

How do I match my old lock?

Measure the case size, backset (edge to keyhole or spindle) and forend, and match those to the replacement.

What finishes are available?

Forends and fittings are offered in stainless steel and plated finishes.

ZUR - UK Replacement Locks and Accessories

Replacement Mortice Locks to Match Existing Doors

The Zoo ZUR range offers UK replacement locks and accessories, sized and cased to match common existing locks so a worn or failed lock can be swapped without altering the door. Part of the Zoo locks and latches range.

Swap Without Re-Cutting the Door

Replacement locks match the case size, backset and forend of common existing locks so they drop into the same mortice, ideal for repairs and maintenance. For new installs see the ZUK UK locks range.

Sizes and Finishes

Match the backset and case to your old lock; forends come in stainless steel and plated finishes. See the wider Zoo locks and latches range.

Trusted UK Ironmongery Supplier Since 1976

Zoo Hardware is supplied by Trade Door Handles, part of T.H. Wiggans Ironmongery, a trusted UK supplier of architectural ironmongery since 1976 with large showrooms in Kendal and Carlisle. Browse the full Zoo Hardware collection for matching contract door hardware, locks, hinges and accessories, with quick nationwide delivery across the UK.