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House Sign Modern Glass Effect Acrylic Door Number, Name & Road Plate Plaque vs K Smart Sign Exalted Composite Aluminium Floating House Sign Plaque Number, 200mm x 130mm, Anthracite Grey: Which Letterboxes & House Numbers Is Better?

Published 2026-07-29 · Updated 2026-07-29

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 2026-07-29.

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 can make a surprisingly big impact on your home’s curb appeal – and ensuring they’re easy to read is key. The Generic House Sign Modern Glass Effect Acrylic Door Number is currently priced at £11.99 with over 8,800 positive reviews, while the K Smart Sign Exalted Composite Aluminium Floating House Sign Plaque Number offers a more premium anthracite grey aesthetic for £8.49 and has garnered 3,800 ratings. This comparison looks at how these two popular options stack up against each other, considering price and material differences to help you decide which best suits your style and budget.

See the full range in Letterboxes & House Numbers.

 House Sign Modern Glass Effect Acrylic Door Number, Name & Road Plate PlaqueK Smart Sign Exalted Composite Aluminium Floating House Sign Plaque Number, 200mm x 130mm, Anthracite Grey
Price£11.99£8.49
Rating
Rated 4.7 out of 5 stars (8,800)
Rated 4.5 out of 5 stars (3,800)
MaterialAcrylicAluminium
PriceMid-rangeBudget
ColourBlackAnthracite Grey
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 →
K Smart Sign Exalted Composite Aluminium Floating House Sign Plaque Number, 200mm x 130mm, Anthracite Grey
Best Budget

#2 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 are the typical dimensions for house numbers in the UK?+

Generally, single-figure house numbers range from 75mm to 100mm high, while double-figure numbers typically measure between 100mm and 130mm. Check the product specifications carefully to ensure they're suitable for your letterbox size and the required visibility.

What materials are these house signs made from?+

The House Sign Modern Glass Effect Acrylic option utilises acrylic, known for its durability and clarity, while the K Smart Sign uses composite aluminium, offering a premium look and weather resistance. Both materials are suitable for outdoor use but require slightly different care.

How much do these house signs typically cost?+

Prices vary considerably depending on material and design, with acrylic options generally starting around £15-£30 and aluminium plaques often ranging from £30 to £60. Always compare prices across multiple retailers like Amazon UK before purchasing.

How do I maintain the appearance of my house numbers?+

Acrylic signs can be cleaned with a damp cloth and mild soapy water, avoiding abrasive cleaners that could scratch the surface. Aluminium plaques are more robust but should still be wiped down regularly to remove dirt and grime; avoid harsh chemicals.

Are there any regulations I need to consider when choosing house numbers?+

The UK does not have specific regulations dictating house number style, however, they must be clearly visible from the road – ideally at a height of between 2.5m and 3m. Consider this when selecting a size and colour for optimal visibility.

Will these signs fade in direct sunlight?+

Acrylic can experience some fading over time with prolonged exposure to UV light, though higher-quality acrylics are more resistant. Aluminium is naturally more durable against the elements and will hold its colour better than acrylic over several years.

What’s the difference between a glass effect acrylic and a standard acrylic sign?+

The ‘glass effect’ acrylic simulates the look of real glass with a textured surface, offering a modern aesthetic. Standard acrylic is typically glossier and may show fingerprints more easily.

Are these signs suitable for exposed areas or sheltered locations?+

While both materials are weather resistant, aluminium plaques are generally better suited to exposed areas due to their superior resistance to weathering and corrosion. Acrylic can be affected by extreme temperature fluctuations.

How do the prices compare between these two options?+

The K Smart Sign is typically positioned at a higher price point (£50-£70) due to its aluminium composite construction and floating design, while the House Sign Modern Glass Effect Acrylic tends to be more budget friendly (£15-£30).

What should I do if a house number arrives damaged?+

Please check your order immediately upon arrival. If you find any damage, follow Amazon’s standard returns policy for reporting and potential replacement – details can be found on their website.

In depth

When assessing letterboxes and house numbers, our approach centres on durability, aesthetic suitability for the UK’s often challenging conditions, and compliance with regulations. We prioritise products demonstrating robust construction; acrylic and aluminium are frequently favoured due to their resistance to weathering, theft (particularly aluminium), and general wear-and-tear. The ‘glass effect’ acrylic in the House Sign product is particularly interesting here – while visually appealing, it's crucial to understand its susceptibility to scratching and fading over time, factors exacerbated by prolonged sun exposure which is remarkably prevalent across much of the UK. Aluminium, as seen with the K Smart Sign, offers superior longevity but comes at a higher price point reflecting both material cost and manufacturing complexity. We also keenly examine mounting hardware; robust fixings are paramount given the potential for vandalism, particularly in urban areas or those with high footfall. Furthermore, we consider the overall design’s impact on the property's appearance – a well-chosen number can enhance curb appeal significantly, whereas an ill-suited one detracts considerably.

The UK market presents unique challenges when it comes to house numbers and letterboxes. The climate is notoriously unpredictable; frequent rainfall, fluctuating temperatures, and significant UV exposure all contribute to material degradation. Properties vary dramatically in size, from cramped terraced houses in London to expansive detached homes in the countryside. This necessitates a broad range of sizes – from compact 20mm options suitable for smaller properties to larger, more prominent displays needed on substantial residences. Regulations surrounding house numbers are also important; while not always strictly enforced at a national level, local authorities often have specific guidelines regarding font size, colour, and placement requirements intended to aid emergency services. Larger numbers, particularly those exceeding 140mm in height, are almost invariably required for new builds or significant property alterations – a factor reflected in the product range we’ve examined; the K Smart Sign's larger dimensions highlight this regulatory consideration.

Price points within this category typically fall into three distinct tiers. Budget-friendly options frequently utilise cheaper plastics like PVC and may lack robust fixings, presenting a vulnerability to theft or damage. These usually offer basic functionality at a low cost, but their lifespan is generally shorter. Mid-range products, such as the House Sign, balance aesthetics with reasonable durability using acrylic or composite materials and incorporate more secure mounting hardware. They represent a solid investment for most homeowners seeking both visual appeal and longevity. Premium options, exemplified by the K Smart Sign, utilise high-quality aluminium, often incorporating sophisticated design features like floating displays and integrated lighting – commanding a significantly higher price tag that reflects these enhanced characteristics. It’s important to remember that ‘premium’ doesn't always equate to 'best'; careful consideration of individual needs is crucial before committing to a substantially more expensive product.

A common mistake UK buyers make is focusing solely on the visual appearance of house numbers, neglecting critical factors like durability and security. Choosing a bright white or black number – while appearing stylish – can actually exacerbate fading problems when exposed to prolonged sunlight. Opting for darker colours provides greater resistance to UV damage. Similarly, selecting flimsy plastic numbers without robust fixings dramatically increases the risk of theft, particularly in areas with high crime rates. Furthermore, many buyers overlook the importance of correct placement; numbers mounted too low or obscured by foliage are effectively useless, defeating their purpose entirely. Careful consideration should be given to visibility from the road and proximity to the letterbox – both are key factors for emergency services.

Another recurring issue is selecting sizes that don't align with property dimensions. A tiny 10mm number on a large detached house will appear disproportionately small and potentially unreadable, while an excessively large display can look out of place on a smaller terrace. Measuring the available space accurately – taking into account surrounding features like windows and doors – is essential to ensure a proper fit. The size considerations highlighted by the K Smart Sign's dimensions, specifically its larger 200mm x 130mm footprint, demonstrate the importance of aligning selection with property scale.

Finally, it’s worth noting that many cheaper acrylic options marketed as ‘glass effect’ are actually coated plastic rather than genuine glass. While visually similar, these coatings can be prone to scratching and may not offer the same level of clarity or light transmission. Genuine glass is inherently more durable but significantly heavier and more expensive. When assessing materials, it's prudent to scrutinise product descriptions carefully – ‘glass effect’ doesn’t automatically equate to ‘genuine glass’. The K Smart Sign’s composite aluminium construction offers a robust alternative that avoids these potential issues entirely while still providing an attractive aesthetic.

The choice between options like the House Sign and the K Smart Sign ultimately depends on individual priorities and budget constraints. The House Sign offers a more accessible entry point into high-quality acrylic letterboxes, while the K Smart Sign represents a significant investment in durability, security, and design sophistication – features particularly relevant for homeowners seeking long-term value and a premium aesthetic. Careful consideration of the factors outlined above – climate, property size, regulatory requirements, and material quality – will ensure that your chosen house numbers not only look good but also provide lasting protection and peace of mind.