No building consent? Don’t forget about the glass.

Building a small home in New Zealand just got easier.

Under new rules introduced in January 2026, eligible new, standalone homes of up to 70m² can be built without a building consent, provided they meet a range of conditions.

That could make adding a granny flat, accommodation for family or a small second dwelling simpler and more affordable.

But there’s an important point homeowners need to understand: no building consent doesn’t mean no Building Code.

The home still needs to comply with the New Zealand Building Code – and ultimately, homeowners have a responsibility to make sure the requirements of the exemption are met.

One area you may not immediately think about is the glass.

We live surrounded by it. There’s glass in windows, sliding doors, bathrooms and showers. Used correctly, it is an incredibly safe building material. Used incorrectly, the consequences can be serious.

New Zealand has specific requirements around glazing in areas where there is a risk of someone falling or walking into glass. Safety glazing is designed to reduce the likelihood of serious cutting and piercing injuries if an accident occurs.

That makes it particularly important in areas such as bathrooms and other locations where human impact is likely.

So how does the average homeowner know what they’re getting?

Start by looking at the glass itself.

Safety glass should carry a permanent marking identifying information including the manufacturer or supplier, the type of safety glass and the standard to which it has been tested. This isn’t a removable sticker – the marking is permanently applied to the glass and is commonly found in a corner.

If glass that should be safety glass has no permanent marking, don’t simply assume it’s compliant. Ask your builder, window supplier or glazier for evidence.

Better still, choose reputable window and glass suppliers who understand New Zealand’s requirements and can demonstrate that the products they supply are fit for their intended use.

Removing the need for a building consent doesn’t remove the need to build safely.

A 70m² home might be small. But when it’s home to your parents, your children, tenants or guests, getting the details right matters.

When it comes to glass, don’t just ask how it looks. Ask if it’s safe.

We’re here to help!

For expert advice on windows, doors and glazing, look for a member of the Window & Glass Association New Zealand (WGANZ). Members can help you understand your options and choose solutions that suit your home, budget and lifestyle.