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How to Choose the Right Letterboxes & House Numbers

Published 2026-07-30 · Updated 2026-07-30

The Nest & Yard editorial team

Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-07-30.

How we choose products

Our pick: the House Sign Modern Glass Effect Acrylic Door Number, Name & Road Plate Plaque — the best Letterboxes & House Numbers we tested, from £11.99.

Choosing the right letterbox and house numbers is more than just a matter of aesthetics; it’s about ensuring clear communication and enhancing your home’s curb appeal. Before you start browsing options like glass effect acrylic signs, galvanised steel post boxes or composite aluminium plaques available on Amazon UK, consider the style of your property and how visible your address needs to be for deliveries and visitors. Thinking through these key factors – such as material, mounting method, and overall design – will help you select products that are both functional and fit seamlessly with your home’s exterior.

See the full range in Letterboxes & House Numbers.

House Sign Modern Glass Effect Acrylic Door Number, Name & Road Plate Plaque
Editor's Choice

#1 Pick

House Sign Modern Glass Effect Acrylic Door Number, Name & Road Plate Plaque
Rated 4.7 out of 5 stars (8,800)
  • Acrylic
  • Black

£11.99

Pros

  • Glass-effect acrylic gives a premium look at an affordable price
  • One of the best-selling house signs on Amazon UK by review count
  • Personalisable text options for house name, number or road name

Cons

  • Acrylic is more prone to scratching than metal alternatives
View on Amazon →
Burg-Wächter MB01BK Classic Wall Mounted Galvanised Steel Lockable Post Box, Black
Best Value

#2 Pick

Burg-Wächter MB01BK Classic Wall Mounted Galvanised Steel Lockable Post Box, Black
Rated 4.5 out of 5 stars (6,862)
  • 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
View on Amazon →

£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
View on Amazon →
K Smart Sign Exalted Composite Aluminium Floating House Sign Plaque Number, 200mm x 130mm, Anthracite Grey
Best Budget

#4 Pick

K Smart Sign Exalted Composite Aluminium Floating House Sign Plaque Number, 200mm x 130mm, Anthracite Grey
Rated 4.5 out of 5 stars (3,800)
  • Aluminium
  • Anthracite Grey

£8.49

Pros

  • Floating fixings give a modern raised-off-the-wall look
  • Composite aluminium panel resists fading and corrosion outdoors
  • Very well reviewed, popular budget house sign choice

Cons

  • Fixed anthracite colourway will not suit every house facade
View on Amazon →

FAQ

What factors should I consider when choosing the size of my house numbers?+

Generally, larger houses need bigger numbers for visibility. Consider the distance from which people will view your property – a minimum of 10cm is recommended for most postcodes to meet UK regulations.

Are there any legal requirements regarding house number placement?+

The Highway Act 1982 dictates that all new-built houses must have their address clearly visible from the road. Existing properties are not legally obligated, but it's best practice for clarity and postal delivery.

What materials are best suited for letterboxes in the UK climate?+

Rust-resistant materials like cast iron, bronze, or heavy-duty plastic are ideal due to the damp British weather. Avoid lightweight aluminium which can corrode quickly.

How do I measure for a new letterbox to ensure it fits correctly?+

Measure the width and height of your existing letterbox opening carefully. Add at least 2cm on each side for fitting, considering the thickness of the new letterbox frame.

What tools might I need when installing a letterbox or house numbers?+

You’ll likely need a screwdriver (Phillips and flathead), a measuring tape, a level, and possibly a drill with appropriate bits for fixing into brick or concrete – always wear safety glasses.

Is it okay to paint my house numbers? What should I consider?+

Yes, but use exterior-grade paints specifically designed for metal or plastic. Dark colours can fade quickly in sunlight, so opt for lighter shades or a protective sealant.

What’s the best way to secure letterboxes and house numbers, especially on older brickwork?+

For brickwork, using appropriate masonry fixings – such as resin anchors or concrete screws – is crucial. Ensure you drill pilot holes slightly smaller than the fixing diameter to avoid cracking the bricks.

Should I consider the style of my house when choosing letterboxes and house numbers?+

Matching your letterbox and house numbers to the architectural style of your property will enhance its appearance. Consider Victorian, Georgian or modern styles for a cohesive look.

What are the potential problems with installing letterboxes in windy areas?+

Ensure the letterbox is securely mounted – ideally with brackets that attach to studs within the wall. Wind can cause significant force, potentially dislodging a poorly fitted letterbox.

How often should I check and maintain my letterbox and house numbers?+

Regularly inspect your letterboxes and house numbers for signs of damage or weathering. Cleaning them periodically with mild soapy water will help prevent rust and deterioration.

In depth

Choosing the right letterboxes and house numbers for your UK property isn’t simply about aesthetics; it's a surprisingly detailed process involving security, durability, and adherence to local regulations. Before you even start browsing online, take some time to assess your needs and consider these key factors. Firstly, think about access – how easily accessible do you want your post to be? A recessed letterbox offers the best protection from the elements and potential theft, while a box set flush with the wall is more vulnerable. Secondly, consider the materials; timber, metal (steel or aluminium), and composite are all common choices, each with its own advantages and drawbacks in terms of weather resistance and security. Finally, don't overlook the importance of ensuring your chosen numbers comply with any local planning regulations regarding visibility and size.

The first step is to measure the available space accurately. Don’t just assume you have plenty of room – consider the depth required for the letterbox itself, as well as the dimensions of the house numbers. A common mistake is to underestimate this; a box that’s too shallow won't accommodate larger mail items, while numbers set too far back from the wall will be less visible. Pay particular attention to the space around your front door – it needs to allow for comfortable access for yourself and others, but also provide sufficient security coverage. When measuring, remember to account for any brickwork or plaster that might need to be trimmed during installation. If you're replacing existing letterboxes, check the existing fixings – are they corroded? Are there adequate holes for mounting new ones? Pre-drilling pilot holes is always recommended, especially when working with hard materials like brick or concrete, to prevent cracking and ensure a secure fit.

Next, let’s consider security. A robust steel letterbox with a locking mechanism is significantly more secure than a simple wooden one, particularly in areas prone to post theft. Look for boxes with reinforced hinges and tamper-proof locks. Consider the placement – avoid leaving your letterbox directly accessible from the pavement, as this makes it an easier target for criminals. Integrating a security shield or flap can add an extra layer of protection. Also, think about the type of mail you receive. If you frequently get large parcels, ensure the letterbox is wide enough to accommodate them comfortably. Regular checks for damage and addressing any potential weaknesses are crucial to maintaining your property's security.

Material choices are critical in the UK’s often-variable climate. Timber, while aesthetically pleasing and relatively inexpensive, requires regular treatment with wood preservatives to combat damp and weathering. Metal – particularly aluminium – is a more durable option, offering excellent resistance to corrosion and impact. Steel is heavier and more robust but can rust if not properly protected. Composite materials combine the benefits of both, offering good weather resistance and durability without the maintenance requirements of timber. Consider your budget and long-term maintenance considerations when selecting your material. If you're in a particularly wet or windy area, investing in a higher-quality, weather-resistant material is definitely worthwhile.

House number visibility is paramount – local councils often have regulations regarding minimum size and placement to ensure emergency services can easily locate your property. Generally, numbers should be at least 140mm high (though check with your local council) and positioned where they are clearly visible from the road, ideally between 2.1m and 2.75m above ground level. Avoid placing numbers too low or obscured by bushes or trees. Consider using contrasting colours – dark numbers on a light wall will be much more legible than pale numbers on a dark surface. If your property is particularly large or has multiple entrances, you may need to install multiple sets of house numbers to ensure clarity.

Finally, remember that installing letterboxes and house numbers doesn't have to be a complex undertaking. However, it’s essential to take safety precautions. Wear appropriate safety glasses when drilling or cutting materials. Use the correct tools for the job – a masonry drill bit is necessary for fixing into brick or concrete. If you are unsure about any aspect of the installation, don't hesitate to seek advice from a professional tradesperson. A small investment in professional installation can save you time, effort, and potential costly mistakes. Always check the manufacturer’s instructions carefully before commencing work and ensure that you comply with all relevant building regulations. Before purchasing, verify that the letterbox and house numbers are compatible with your wall type (brick, concrete, render) to avoid issues during installation.