House numbers and address signs are the smallest design decision you'll make for your home - and one of the most overlooked. Yet they're the first thing visitors see, the detail emergency services rely on, and a permanent part of your home's exterior.
This guide brings together everything I've learned designing custom NZ house numbers and address signs since 2007 - more than 50,000 signs delivered to homes across the country. Whether you're building new, renovating, or just upgrading a tired set of numbers, you'll find a definitive answer to the most common questions here.
I started LisaSarah because I couldn't find anything stylish for my own home.
Why house numbers matter more than you think
There are four reasons clear, well-designed house numbers genuinely matter:
1. Emergency response time.
When ambulances, fire trucks, or police are looking for your address, every second matters. NZ Fire & Emergency consistently report that hard-to-find addresses delay response times. Clear, high-contrast numbers visible from the street are a small investment in your family's safety.
2. Deliveries that actually arrive.
Online ordering has only grown. Drivers who can't read your number from the road may skip the address or leave parcels at the wrong house. Larger, well-placed numbers reduce delivery issues to almost zero.
3. First impressions for guests.
Whether it's friends arriving for dinner or a buyer walking through during an open home, your address signage is part of the first impression of your property.
4. Architectural detail.
Done well, house numbers become a quiet design feature in their own right. Done badly, they look like an afterthought from the local hardware store. There is no third option.
Start with your home's architecture (the most important step)
Before you think about size, font or material, look at the style of your home.
Modern homes - plaster, dark timber, board-and-batten, minimalist forms - tend to suit clean sans-serif fonts, generous spacing, and crisp matte finishes. Less is more. A single set of large numbers, well-placed, looks more considered than a busy address panel.
Traditional homes - villas, bungalows, character cottages - can carry more presence in the signage. Slightly thicker letter forms, considered serifs, or a small address panel can feel appropriate as long as it respects the scale of the façade.
Heritage homes deserve restraint. A simple set of numbers in a finish that complements the period (often matt black, dark bronze, or aged corten) usually beats anything that tries too hard.
The most common mistake I see is people choosing signage that doesn't match the home — modern numbers on a heritage villa, or ornate script on a minimalist new build. Match the style of the house, not the trend of the moment.
Size: the most common mistake (and the easy fix)
The single most common reason people replace their house numbers is that they ordered numbers that were too small.
Here's a practical sizing guide based on where the numbers will be installed and how far your home sits from the road:
|
Distance from road |
Recommended number size |
Best mounting location |
|
Up to 5 metres |
15-20cm tall |
Letterbox, gate post, fence |
|
5-15 metres |
25-30cm tall |
Exterior wall, fence, gate |
|
15-25 metres |
40-50cm tall |
Exterior wall, entrance pillar |
|
25+ metres (rural / long driveway) |
50cm+, or address sign with street name |
Street-facing fence, gate, freestanding sign |
When in doubt, go bigger. Numbers can be 10-20% larger than feels right at arm's length and still look balanced from the street.
House numbers vs address signs - which do you need?
Simple house numbers (just the digits) work for most urban homes within clear view of the road.
A full address sign (number + street name) is the better choice when:
• Your home is set back from the road and harder to identify
• Your street has similar names to nearby streets (Te Mata Road, Te Mata Place, Te Mata Crescent)
• You're on a rural delivery (RD) address that's hard to spot from the road
• You want a stronger architectural feature at the entrance
• Your driveway is shared and visitors need to identify your house specifically
Address signs also work beautifully on freestanding entrance walls or pillars, where they become a small architectural statement in their own right.
Materials: what actually lasts in NZ
NZ weather is brutal on cheap signage. Strong UV, salt air, driving rain, and wide temperature swings will destroy lightweight materials within a few years. Here's what to choose:
Powder-coated steel or aluminium.
The most popular option for good reason. Powder coating creates a durable, UV-stable finish that holds colour for 10+ years in normal NZ conditions. Available in matt black, white, sage, gold, and a range of designer colours. Choose this for most homes.
Corten steel.
Corten develops a warm rust patina that becomes self-protecting over 6-18 months. Beautiful architectural choice for modern homes, dark fences, and timber cladding. One caveat: during the patina-forming phase it can stream rust onto unsealed concrete or light plaster (more on this in the FAQ below).
Marine grade 316 stainless steel.
If you're within 1km of the coast — and especially if you face the prevailing salt wind — pay the premium for 316 marine grade. The molybdenum content resists salt corrosion much better than standard 304 stainless. Worth it for coastal Auckland, Wellington south coast, Tasman, Coromandel, and similar.
What to avoid:
• Acrylic / plastic - fades and yellows in NZ UV within 2-3 years
• Thin aluminium (under 2mm) - bends in wind, looks cheap up close
• Untreated steel - rusts unpredictably and stains everything around it
• Wood - needs constant maintenance to look intentional rather than tired
Font and style: choose timeless, not trendy
Five style approaches that consistently work for NZ homes:
1. Modern minimalist.
Clean sans-serif (Helvetica, Futura, Avenir), generous letter spacing, matt black or matt white finish. Works with almost any modern home and ages well.
2. Architectural bold.
Larger numbers (40-50cm), strong weight, dramatic placement. Best for confident modern architecture, freestanding entrance walls, or homes with high street setback.
3. Heritage classic.
Slab serif or geometric serif, medium scale, finished in dark bronze, matt black, or aged corten. Suits villas, bungalows, and character homes.
4. Coastal stainless.
Brushed marine grade stainless, modern sans-serif, often mounted with stand-offs for shadow depth. The clear default for coastal NZ.
5. Established / dated.
Number plus the year your home was built ("est. 1924" or similar). Beautiful for renovated heritage homes, holiday baches with history, or new builds where you want to mark the moment.
Trendy fonts and ornate scripts age badly. If you're unsure, go simpler.
Placement: where to put your numbers
The right placement depends on your home's layout, but these are the most common options:
Exterior wall near the front door.
Classic placement. Works for most homes where the front door is street-visible. Mount slightly to one side of the door for balance, at eye level or slightly above. Use stand-off mounts (15-25mm spacers) for a more architectural look that creates shadow depth.
Front fence or gate.
Best for homes set back from the road. Mount the numbers on the street-facing side of the fence or gate at a height of 1.4-1.8m for adult eye level. For driveway gates, mount on both sides if you want visibility coming and going.
Letterbox.
Practical and high-traffic for visitors and delivery drivers. Smaller numbers (15-20cm) work well here. Coordinate the finish with your main house numbers if you have both.
Freestanding entrance wall or pillar.
The most architectural option. Allows for larger numbers or a full address sign and creates a strong arrival moment. Often paired with subtle uplighting.
Avoid placing numbers where they're obscured by plants, hidden in shadow under deep eaves, or competing with other signage.
Customisation: when a custom sign is the right call
Off-the-shelf numbers work for most homes. But a custom sign is worth the small additional cost when:
• Your home has a non-standard layout or unusual proportions
• Your street name is long, short, or unusual in length
• You want signage that integrates with other outdoor elements (fence colour, cladding, garden art)
• You want the size, font, or finish to be specific to your architecture
• You want to add a year established or family name
• You're matching to a heritage property or specific design vision
Installation: a quick guide
Most steel house numbers can be installed by a confident DIYer in under an hour. Here's the basic approach:
Tools you'll need:
• Drill with the right bit for your surface (masonry, wood, or general)
• Spirit level
• Pencil for marking
• Stainless steel screws and appropriate anchors (supplied with most quality signs)
Surface-specific notes:
• Weatherboard: drill into the board and into framing behind. Use stainless screws.
• Brick or concrete: masonry bit + plastic plugs or hammer-in anchors.
• Plaster: drill into framing behind plaster, not just plaster (it won't hold).
• Steel or aluminium cladding: usually needs self-tapping screws — check with your installer.
Always use stand-off mounts where possible. They create depth and shadow, and they prevent water from sitting between the sign and the wall (which is what causes streaking and discolouration over time).
If you're nervous about drilling into a brand-new exterior, any handyman or builder can install in 15-20 minutes for about $80-120. Worth it for the peace of mind.
Buying NZ-made: why it matters here
Steel signage shipped from overseas often sits in a warehouse for weeks, arrives in damaged packaging, and uses materials and coatings that aren't specified for NZ UV and salt conditions.
Choosing NZ-made gets you:
• Materials specified for NZ climate from the start
• Powder coats and finishes tested for our UV index
• Direct contact with the designer/maker if you need adjustments
• Shorter lead times and traceable shipping
• Supports local design and manufacturing
Every LisaSarah piece is designed and made here. We use NZ steel, NZ powder coaters, and our finishing team is in [location]. After 19 years, we've worked out what holds up and what doesn't.
Frequently asked questions
These are the questions we get most often.
What size should house numbers be in New Zealand?
For most NZ homes, 30cm tall house numbers work well when mounted near the front door or on a fence within 10-15 metres of the road. For homes set further back (15m+), 50cm numbers are clearer. Numbers smaller than 20cm are often hard to read from a moving vehicle.
What material is best for outdoor house numbers in NZ?
Powder-coated aluminium or steel is the most popular and durable choice. Corten steel is excellent if you want the warm rusted patina. For coastal homes within 1km of the sea, 316 marine grade stainless steel resists salt corrosion better than 304.
Are house numbers required by law in New Zealand?
Local councils across NZ require properties to display their street number, and many also require visibility for emergency services. While exact bylaws vary by council, the practical standard is that the number must be readable from the street in daylight.
What font is best for house numbers?
Clean sans-serif fonts are the most readable and work with the widest range of architectural styles. Avoid script or decorative fonts for primary visibility — they look beautiful close up but are hard to read from the street.
How do I install steel house numbers on weatherboard?
Drill pilot holes through the weatherboard and into the framing behind, using stainless steel screws to prevent rust streaks. For a more architectural look, use stand-off mounts which hold the numbers 15-25mm off the surface.
Will corten steel house numbers stain my wall?
During the first 6-12 months as corten develops its protective patina, it can stream rust-coloured water down porous surfaces. To prevent staining, either mount corten numbers on surfaces that won't be damaged (timber, dark plaster, fencing), use stand-off mounts to create an air gap, or seal the wall surface beneath.
Explore the range
If you're ready to choose:
• Shop our full House Numbers collection
• Shop Personalised Signs (Family names, Est. year, custom designs)
• Shop Stand-Off Mounts (for that floating architectural look)
Or get in touch directly if you'd like advice for your specific home I read every enquiry personally and usually reply within 24 hours.
