Best Steel Door Letterboxes of 2025
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Steel door letterboxes are a practical and secure solution for receiving mail in residential and commercial settings. These letterboxes are designed to be installed directly onto steel doors, providing a sturdy and durable option for those who want to avoid drilling into their walls or front doors. They come in a range of sizes and finishes to suit different door types and styles, and are often equipped with features such as anti-theft flaps and weather-resistant seals. Steel door letterboxes are an excellent choice for anyone looking for a reliable and convenient way to receive mail.
At a Glance: Our Top Picks
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Top 10 Steel Door Letterboxes
Rosewood Steel Wire Letter Box Post Guard
The Rosewood Post Guard is designed to protect your post from eager pets. Its protective steel wire construction, with a sleek metallic finish, ensures that your letters remain safe from being chewed or taken by cats and dogs. It conveniently fits over your letterbox, providing peace of mind that your mail is secure. Installation is easy, as it attaches to the inside of most doors with just two screws, making it a hassle-free solution for pet owners.
12" Omega Premium Sprung Door Letterbox
The Omega Premium Door Letterbox combines modern style with practical features. Its wide opening flap allows for near 180° access, making it easy for you to post letters without hassle. The sound dampening bumpers help to reduce noise, ensuring your home remains peaceful. Additionally, the insulating brush strip effectively minimises cold and draughts, enhancing your comfort during chilly weather. These thoughtful designs make this letterbox not just a functional addition, but also a stylish one that suits contemporary homes.
Amig Stainless Steel Letter Box Slot
The Amig Letter Box Slot is a versatile solution for both interior and exterior doors, fences, or wall partitions. Its brass construction with a polished finish ensures it not only looks good but also withstands the elements, making it ideal for direct mail delivery. You can use it for receiving letters and small packages, providing you with convenience and security. The design integrates seamlessly into various home aesthetics, enhancing the overall look of your property while offering a practical mail delivery option.
Xfort MailPlate Polished Chrome Letterbox
The Xfort MailPlate Letterbox is an innovative solution for your front door. It features colour matched external and internal flaps within a sleek black frame, enhancing your home's appearance. The durable design includes stainless steel flaps, ensuring strength and longevity while resisting scratches. With patented anti-snap flaps that open a full 180 degrees, you can easily access your mail without concern for damage. This mailbox is also designed for easy installation, fitting wooden, composite, and uPVC doors with a thickness of 40-80mm.
Amig Steel Letter Box for Indoor and Outdoor
The Amig Letter Box is a versatile mail collector suitable for both indoor and outdoor use. Made from durable steel with a sleek matt black finish, it measures 254 x 73 cm with a mouth size of 198 x 48 mm. This letter box can be easily mounted on doors, fences, or walls, allowing for direct mail insertion. Its weather-resistant design ensures it withstands the elements, making it a reliable choice for townhouses and single-family homes.
Xfort MailPlate Polished Chrome Letterbox
The Xfort MailPlate Letterbox is designed to enhance your front door with its stylish polished chrome finish and robust construction. Its stainless steel flaps ensure durability, protecting against wear and tear. You will appreciate the patented anti-snap flaps that open to 180 degrees, providing easy access to your mail while preventing damage. The adjustable telescopic sleeve allows for simple installation on wooden, composite, and uPVC doors with thicknesses ranging from 40 to 80mm, making it a versatile choice for any home.
Sweet by Ultion Insulated Squared Letter Box
The Sweet Insulated Letter Box by Ultion features a clever design that enhances both style and functionality. Its single wrap-around design prevents the elements from sneaking through joints, keeping your mail safe and dry. With two internal skins, it offers excellent sound and thermal insulation, ensuring your home remains peaceful and comfortable. This stylish letterbox not only looks great but is also built to last, making it a smart investment for your door furniture.
Xfort MailPlate Slimline Polished Brass Letterbox
The Xfort MailPlate Letterbox is a modern solution for your front door. It features colour-matched external and internal flaps, enhancing your home's appearance while providing functionality. The durable stainless steel flaps offer strength and longevity, ensuring your mail is well-protected. With patented anti-snap flaps, you can open them wide without fear of damage, making it easy to retrieve your post. Additionally, its straightforward installation process allows you to fit the letterbox into various door types, accommodating thicknesses between 40-80mm.
Rottner Parma Steel Mailbox with Lock
The Rottner Parma Mailbox is made from high-quality steel, ensuring durability and security for your letters. With a decorative embossing on the front, it adds a stylish touch to your entrance. You will appreciate the cylinder lock that comes with two keys, providing peace of mind for your mail. The mailbox features a door opening stop, preventing any accidental spills when retrieving your post. Its practical dimensions allow for easy insertion of letters, making it a convenient choice for everyday use.
TSS 12" Polished Silver Letterbox for uPVC Doors
The TSS 12" Letterbox is designed for uPVC doors with a thickness of 40 to 80mm. Its size of 300mm x 65mm, along with polished silver internal and external flaps, ensures a sleek appearance. You will appreciate the draught-proof design, featuring outward-facing brushes that keep your home insulated. Both flaps open to 180 degrees, allowing for easy access and preventing damage from overextending. Installation is straightforward, requiring you to simply insert the sleeves and tighten with the provided fixings.
Frequently Asked Questions (FAQs)
1. Are door letterboxes standard size?
You need to select the letterbox for upvc door that is the most appropriate. uPVC Letterboxes fitted through moulded panels are usually between 20-40mm in size as are timber doors. uPVC letterboxes fitted through the frame are usually between 40-80mm in size.
2. Are all door letterboxes the same size?
There are different sizes of letterboxes or letterplates available. In some cases the letter box you have may not be made any more, but in 99% of cases the letterboxes we sell are able to fit your door.
3. Are letterboxes a security risk?
Your letterbox is a vulnerable point on your door; criminals can use it to peer through for signs of an empty home, unwanted items can be pushed through the letter box and thieves can use it to 'fish' keys out of your property.
4. Do letterboxes have to be a certain height?
The government has now promised to consider changing the law as early as 2020. The new regulations are likely to be similar to European standards, where a letterbox must be between 0.7m and 1.7m high.
During our steel door letterboxes research, we found 105 steel door letterboxes products and shortlisted 10 quality products. We collected and analyzed 18,972 customer reviews through our big data system to write the steel door letterboxes list. We found that most customers choose steel door letterboxes with an average price of £17.36.
The steel door letterboxes are available for purchase. We have researched hundreds of brands and picked the top brands of steel door letterboxes, including Rosewood, Truly PVC Supplies, Amig, UAP, Ultion.
Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.