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made in britain

The Safety letterbox company is the UK’s leading designer and manufacturer of mailboxes and parcel boxes with over 35 years of experience and part of the RENZ Group.

With over 180 models of mailboxes and a comprehensive parcel box offering, the highly respected SLB range is specification driven, conforming to EU standards such as EN13724, EN1363 and TS009. Thus ensuring all projects have the most suitable solution.

Working closely with architects, specifiers and buyers on projects of any size, profile or location, there is a product for any requirement. Offering a unique range of Fire Rated and bespoke solutions alongside core products you can be sure we can turn your vision into reality.

SLB are ISO9001 and Investors in People. Their company is synonymous with quality and service and will always strive for the best product and value for their customer.

Over the years SLB have supplied many exciting projects within Ireland and Northern Ireland and we are delighted to continue to develop this market further through this collaboration with Allied Ireland.

Allied Ireland are our appointed agents in Ireland, providing the customer with the combined benefit of both companies’ expertise, experience, high standards and ethos.

The Safety Letterbox Company International Brochure


The Safety Letterbox Company International Brochure

The Safety Letterbox Company deliver mailboxes for the World’s most prestigious postal addresses.


Our products

Multi-Occupancy Mailboxes


Mailbox systems to suit any site profile, location, and budget. Multiple finishes and sizes, Fire rated ranges, Secured By Design, any RAL Colour, and Individual mailboxes all with numerous locking options.

Mailboxes are suitable for on, in and though the wall, recessed and freestanding; providing a wide range of ideas and creativity to choose from.

A fully bespoke service is also available to turn your vision into reality and a turnkey service can be provided with installation if needed.

Intelligent Parcel Boxes

Parcel Boxes

Parcel delivery has never been so Smart!

Internationally acclaimed Award winning and highly innovative Intelligent parcel boxes myRENZbox, provide the ultimate traceable, 24/7 and efficient parcel solution. Full API integration and customer training and onboarding.

Manual parcel solutions and bespoke solutions are available.

Individual Mail & Parcel Boxes

Individual Mail &
Parcel Boxes

Futureproof your home with our individual mail and parcel box solutions for wall mounting or post fixing. With a range of sizes, colours and designs, our range of products are attractive, secure, and convenient. Includes Secured By Design TS009 options.

Never worry about missing your delivery again!

Featured Projects

SLB are delighted to be working in collaboration with Allied Ireland as our appointed agents in Ireland, providing the customer with the combined benefit of both companies’ expertise, experience and ethos.

Allied, based in Dublin, have been offering a range of partitions, fire screens, furniture, cubicles and lockers since 1997.

Their reputation is built on company strength, design excellence and meticulous project planning and execution. Over the past number of years, they have been privileged to work with some of the industry’s most forward thinking and innovative design and construction companies.

These values echo the principles of SLB and ensure that the quality brand is delivered within this area.

If you have an enquiry for mailbox and/ or parcel box solutions in Ireland and NI, then please fill out the contact form below.

Allied Ireland
safety letterbox mailbox Grid Icon

No-obligation consultation

We welcome the chance to discuss your project and we can share all that is current in terms of standards and product options totally free of charge.

Simply complete and submit the form and we will get back in touch to talk through your requirements.

We also provide Autocad drawings as required – it’s all part of the service!