Do 5 lever mortice locks meet UK insurance requirements?

Yes, 5 lever mortice locks that meet BS 3621 are commonly required by UK home insurance providers for exterior doors.

Can mortice locks be used on bathroom or sliding doors?

Yes, we offer mortice bathroom locks with privacy turns and sliding door mortice locks for a range of applications.

What is the difference between a mortice sashlock and a deadlock?

A mortice sashlock typically combines a latch and a lock in one case, while a mortice deadlock is lock-only (no latch) and is commonly used for added security on external doors.

What does BS 3621 mean on a mortice lock?

BS 3621 is a British Standard for thief-resistant locks. Locks certified to BS 3621 are often recommended for external doors and are commonly accepted by insurers.

How do I choose the correct mortice lock size?

Check the case size/backset and ensure the lock matches your door thickness and handle/escutcheon set-up. If you’re unsure, contact us with your measurements and door details for guidance.

Do you supply matching strike plates and keeps?

Many mortice locks and latches are supplied with compatible strike plates/keeps, and additional ironmongery can be selected to match your door furniture finish and specification.

Mortice Locks and Latches

Q: What is a mortice lock?

A mortice lock is fitted into a pocket cut into the door edge, providing strong security for both homes and commercial properties.

Mortice Locks & Latches UK – Secure & Stylish Hardware

Explore our carefully selected range of mortice locks and latches for residential, commercial, and architectural projects. Choose from standard mortice key locks, Euro profile locks, oval profile locks, bathroom locks, and more — all built for security, smooth operation, and long-lasting performance.

Types, Standards & Applications

Our collection includes 3 lever deadlocks, 5 lever British Standard sashlocks, tubular mortice latches, horizontal mortice locks, mortice flat latches, and DIN standard locks. For high-security requirements, select locks meeting BS 3621, recommended by insurers for exterior doors. Finishes range from satin chrome to polished brass, satin nickel, and more — ensuring they match your door furniture.

Complete Your Specification

Pair your mortice lock with matching hardware from our Architectural Ironmongery range, Accessories, and Window Furniture. We proudly stock trusted brands including From The Anvil, Carlisle Brass, Heritage Brass, and Frelan Hardware.

Delivery available to London, Manchester, Birmingham, Leeds, Glasgow, and across the UK. If you can't find what you need, contact us for expert help.

From The Anvil Bathroom Mortice Lock Sku 91089

Mortice Lock Types & Features

High-Performance Mortice Locks for Every Door

Our mortice locks and latches UK range is built for projects that demand security and style. From 3 lever deadlocks for internal doors to 5 lever British Standard sashlocks for exterior entrances, we cover every application. For commercial projects, choose Euro profile mortice deadlocks and DIN standard mortice locks for flexibility with cylinders. We also offer horizontal mortice cases, tubular mortice latches, mortice flat latches, multi-point locks, and sliding door mortice locks. Each lock is designed to integrate with matching architectural ironmongery and door furniture, ensuring a consistent, professional look.

Choosing the Right Mortice Lock

Backset, Case Size & Security Standards

Selecting the correct backset and case size is essential for performance and aesthetics. Knob furniture often needs a larger backset, while lever handles can work with smaller sizes. For exterior doors, opt for BS 3621 5 lever locks to meet UK insurance requirements. Finishes include satin chrome, polished brass, and satin nickel, allowing you to coordinate across your door furniture and architectural ironmongery. If you need help, visit our Contact Us page for expert advice.

Discover Our Range of Mortice Locks and Latches

What is a mortice lock?

A lock installed into a door’s edge, providing strong, discreet security.

Which mortice locks meet UK insurance standards?

BS 3621 5 lever locks are the most common requirement.

Can I use mortice locks on sliding or bathroom doors?

Yes — bathroom privacy locks and sliding door mortice locks are available.

UK-Wide Mortice Lock Supply

Trusted Architectural Ironmongery Since 1976

We supply mortice locks and latches across the UK — including London, Manchester, Birmingham, Leeds, Glasgow, Liverpool, and Edinburgh. Our collection is part of our wider architectural ironmongery and door furniture ranges, allowing you to complete your specification from one trusted source. If you can’t find the exact lock you need, please contact us for assistance.