Best Letterboxes & House Numbers — Metal (2026)
4 letterboxes & house numbers matching material “Metal”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Letterboxes & House Numbers UK (2026) guide.
Robust metal letterboxes and house numbers are a timeless choice for any property seeking durability and a classic aesthetic. Crafted from heavy-gauge steel, these options offer exceptional resistance to weathering, vandalism, and the elements – crucial considerations in the UK’s changeable climate. They provide a strong statement of quality and security, ideal for both traditional and contemporary homes.
These metal letterboxes and house numbers are designed for longevity, resisting rust and corrosion far better than plastic alternatives. The solid construction ensures they will withstand daily use and potential impacts, making them a reliable investment for your property. Furthermore, the inherent strength of metal provides an added layer of security against theft or damage.
Available in various styles – from traditional Victorian designs to modern minimalist forms – you can choose pieces that perfectly complement your home’s architecture and personal taste. Selecting a durable metal solution guarantees years of reliable performance, reducing the need for replacements and maintaining your property's value.
#1 Pick
Unibos Large Letterbox Cage Mail Catcher, Heavy Duty Metal Letter Box Guard Basket- Metal
- Black
£14.99
Pros
- Catches post before it hits the floor, useful for hallway doors
- Heavy duty metal cage resists forcing better than a plastic tidy
- Large capacity holds several days of post and parcels
Cons
- Bulkier than a standard letterbox brush, so needs internal clearance
#2 Pick
Burg-Wächter MB01BK Classic Wall Mounted Galvanised Steel Lockable Post Box, Black- Metal
- Black
£33.70
Pros
- Lockable galvanised steel body keeps post secure and dry outdoors
- Very well reviewed with close to 7,000 verified ratings
- Compact wall-mounted design suits porches and front walls
Cons
- Wall fixing needs a solid masonry surface for a secure mount
#3 Pick
Burg-Wächter MB01CG Classic Wall Mounted Galvanised Steel Lockable Post Box, Chartwell Green- Metal
- Chartwell Green
£31.76
Pros
- Chartwell green finish suits period doors and cottage-style homes
- Same trusted lockable design as the best-selling black version
- Galvanised steel resists rust in all-weather outdoor use
Cons
- Green colourway will not match every front door or porch scheme
#4 Pick
Stormguard 06SR0310000CH Internal Metal Letter Box Brush Cover with Flap, 293 x 77mm, Chrome- Metal
- Chrome
£14.59
Pros
- Chrome finish suits contemporary composite and uPVC front doors
- Interlocking double brush design with a hinged flap over the bristles
- Metal construction is sturdier than plastic letterbox covers
Cons
- Some buyers report the brush strips need re-seating after heavy use
FAQ
What finishes are available for these metal letterboxes?+
These metal letterboxes typically come in a powder-coated finish, usually in black, white, grey, or bronze. The coating provides excellent protection against the elements and is designed to resist fading and scratching.
How do I ensure my metal house numbers are weatherproof?+
The heavy-gauge steel construction inherently offers weather resistance. However, we recommend regularly cleaning with a damp cloth and applying a wax polish annually for optimal protection and shine.
Are these letterboxes suitable for use in coastal areas?+
Yes, the robust metal construction is specifically designed to withstand the harsh conditions of coastal environments, including salt spray and wind. However, regular cleaning is still advised to remove any accumulated grime.
What size are these metal house numbers typically?+
Available in standard sizes ranging from 10cm to 30cm tall, allowing you to choose the perfect fit for your property. Larger sizes may require additional installation hardware.
Do I need any specific tools to install these letterboxes?+
A basic toolkit including a screwdriver and possibly a drill (depending on the mounting method) will be sufficient. Ensure you follow the manufacturer's instructions carefully.
Can I change the font of the metal house numbers?+
Some designs allow for replacement of the individual number components, while others are fixed. Please check the product details for specific font options and compatibility.
Are these letterboxes suitable for use on new builds?+
Absolutely! The robust construction and weather resistance make them a reliable choice for both traditional and modern properties, including new builds.
What is the typical lifespan of these metal letterboxes?+
With proper care and maintenance (regular cleaning), these metal letterboxes are expected to last for 10-20 years or longer. The durable materials ensure longevity against the elements.
Are there any specific mounting instructions I should be aware of?+
Each product will include detailed mounting instructions, but generally, they're designed for secure attachment to brickwork or stone using appropriate fixings (not included).
Can these metal letterboxes be painted after installation?+
The powder-coated finish is durable and can withstand light touch-up painting. However, we advise against heavy or frequent repainting as it may damage the protective coating.