Horizontal lock
A horizontal lock is defined in the Guild of Architectural Ironmongers publication 'Glossary of architectural hardware terms as 'A deeper profile mortice lock which is specified most typically with knob furniture in order to avoid damaging knuckles on the door frame.'
[edit] Related articles on Designing Buildings
- A Guide for Selecting Flat Entrance Doorsets.
- Access control.
- Automatic release mechanism.
- Doors.
- Entry control.
- External doors.
- Fire doors in buildings.
- Fire doorset.
- Free-swing door closer.
- Fittings.
- Grenfell fire door investigation.
- Hinge.
- Hardware.
- Home security solutions market.
- How door locks work.
- Mortice lock
- Mortise vs mortice.
- Perimeter security.
- Security and the built environment.
- Self-closing device.
- Types of door.
- Types of lock.
Featured articles and news
A landmark moment for postmodern heritage.
A safe energy transition – ECA launches a new Charter
Practical policy actions to speed up low carbon adoption while maintaining installation safety and competency.
Frank Duffy: Researcher and Practitioner
Reflections on achievements and relevance to the wider research and practice communities.
The 2026 Compliance Landscape: Fire doors
Why 'Business as Usual' is a Liability.
Cutting construction carbon footprint by caring for soil
Is construction neglecting one of the planet’s most powerful carbon stores and one of our greatest natural climate allies.
ARCHITECTURE: How's it progressing?
Archiblogger posing questions of a historical and contextual nature.
The roofscape of Hampstead Garden Suburb
Residents, architects and roofers need to understand detailing.
Homes, landlords. tenants and the new housing standards
What will it all mean?
The Architectural Technology podcast: Where it's AT
Catch-up on the latest episodes.
Edmundson Apprentice of the Year award 2026
Entries now open for this Electrical Contractors' Association award.
Traditional blue-grey slate from one of the oldest and largest UK slate quarries down in Cornwall.
There are plenty of sources with the potential to be redeveloped.
Change of use legislation breaths new life into buildings
A run down on Class MA of the General Permitted Development Order.
Solar generation in the historic environment
Success requires understanding each site in detail.



















