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DIN Night Latches

DIN Night Latches

(6 products)

DIN Night Latches for Secure Internal & Entrance Doors

Our DIN night latches offer premium hold-shut security for internal and apartment entrance doors. Engineered to DIN 18251 standards for consistent, high-performance operation.

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Expert Guide to DIN Night Latch Applications

DIN Lock Night Latch Explained

The DIN latch lockcase is engineered to deliver reliable performance in high-traffic environments. Whether you're working on a new office fitout, apartment development or commercial renovation, DIN night latches provide straightforward hold-shut security without needing a full sash or emergency escape mechanism.

These lockcases are typically available in 55mm to 60mm backsets and up to 92mm centres, making them ideal for modern internal doors.

DIN night latches are best used alongside compatible door components, such as:

Designed with durability in mind, this collection is part of our broader DIN range, which includes bathroom locks, euro sash locks, deadlocks and escape locks for commercial use.

Let me know if you'd like me to clean up any of the other sections (like the other Rich Text blocks) to match this exact style.

Secure your doors with premium-quality DIN Night Latches – available in satin stainless steel with fast UK delivery.

Help & Support

Need Advice Choosing a DIN Night Latch?

If you’re unsure whether a DIN mortice night latch is the right solution for your project, our knowledgeable team is here to help. Whether you're working on an internal office fitout, apartment entrance, or commercial access-controlled door, we can guide you through sizing, compatibility and product pairings.

Need help understanding which accessories work with your latch case? We’ll walk you through options like compatible euro cylinders such as our euro cylinders with thumb turn, as well as matching lever-on-rose door handles and euro profile escutcheons.

Our expertise extends across a wide range of architectural ironmongery, and we’re happy to support both trade professionals and first-time buyers. We provide trusted advice on everything from backset sizes to fire compliance, and can help ensure your project is specified correctly from the start.

If you can’t find what you’re looking for, or just want to speak with someone who knows DIN locks inside out, contact us here — we’ll be happy to assist.

Frequently Asked Questions

What is a DIN night latch?

A DIN night latch is a mortice lock that automatically latches the door shut and is key-operated from the outside. It complies with DIN 18251 standards and is typically used on internal doors, apartment entrances, and commercial access points.

How does a DIN night latch work?

It uses a spring-loaded latch bolt that engages when the door closes. From the outside, the latch is retracted using a key in a euro cylinder. From the inside, it’s released using a handle or turn knob.

Are DIN night latches suitable for fire doors?

No. DIN night latches are not designed for use on emergency exit or fire-rated doors. For those applications, a compliant DIN escape lock should be used instead.

Can DIN night latches be used with euro cylinders?

Yes, DIN night latches are designed to be compatible with euro profile cylinders, including key-turn models. They typically feature a euro cut-out as standard.

Nationwide Supply

Trusted Source for DIN Architectural Locks

Trade Door Handles is a trusted UK supplier of professional-grade door and window hardware. Our DIN lock night latches are chosen by architects, specifiers, and contractors nationwide for their quality, security, and compatibility with modern hardware components.

These DIN-standard latch cases work seamlessly with euro cylinders, escutcheons, and lever-on-rose handles — making them a perfect fit for new build projects, refurbishments, and commercial specifications.

We also partner with some of the most respected ironmongery manufacturers in the industry, including:

  • High-quality blacksmith-forged hardware from From The Anvil – perfect for traditional and heritage projects
  • Durable and widely specified solutions from Carlisle Brass – a favourite across UK building projects
  • Luxury brass hardware from Heritage Brass – ideal for premium interiors
  • Contemporary styles and fittings from Frelan Hardware – for modern residential and commercial spaces

We deliver daily to London, Manchester, Leeds, Birmingham and throughout the UK.

If you can’t find what you’re looking for or need help specifying the right lock or handle set, contact us here and we’ll be happy to assist.

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