Quick question. How many times have you stood in front of an apartment and thought, Why does this space feel so cramped? Yeah, umpteen times. When you scroll through Trade Me listings for spacious homes, you see listings with almost the same number of rooms and the same layout, yet some feel larger and better than others.
The secret isn’t the space; it’s the more innovative use of it.
The easiest way to change how your place feels without breaking your landlord’s rules or your budget is to reimagine the doors!
Weird? It may sound simple, but read on to see what reworking the doors can do for your small space.
Why Regular Doors Are Not the Best Choice for a Small Rental
Swing doors are no less secure, but they take up the space you are already paying for. For a small rental, this can be a problem.
See, every hinged door needs some clearance. Think of the invisible half circle where you cannot place your furniture, planters, or anything else. In a small apartment, this “dead zone” feels like a waste.
How about switching to an alternative that gives you that space back with minimal changes?
The best alternative is a double-cavity door in NZ.
What Exactly Are Double Cavity Doors?
Before you get too excited or confused about the transformation, breathe and take a break. These doors are much simpler than they sound.
A double cavity door is a system that uses two sliding panels that tuck neatly into the wall cavities on either side of an opening. When they open, they disappear like they don’t exist. When closed, they create a proper room separation.
No swinging. No blocking. No fighting with your sofa.
Why Renters Should Actually Care
Here’s how you can make these simple doors part of your rental and give it a vibe.
Create Flexibility Without Permanent Changes
Most renters don’t think about easy solutions because they believe creating space is expensive. Not true. Most modern cavity slider systems can be easily installed in existing wall cavities. If there are no cavities, then you can use lightweight framing that can be reversed when you move out.
This means you can create extra space in your apartment and return it to its original state when you leave.
Open Plan When You Want
If you live in a studio apartment or a small one-bedroom, everything is in an open area. When you cook, the smell fills the room; when you listen to music, there are no boundaries, and everything becomes a little chaotic and cluttered, no matter how hard you try to be organised.
Sometimes you seek separation without closing yourself off in a small space.
A double-cavity door lets you switch between open and closed living whenever you want—planning a dinner gathering with friends? Open it up. Need a quiet night to relax? Slide them shut.
Where Double Cavity Doors Make the Biggest Impact
Since it’s a small apartment, one question is where to use a double-cavity door that does justice to the space and investment. Here’s how experts use innovative placements to shift how your apartment feels completely.
Living Area to Bedroom
A cavity door in a small apartment is one of the most popular and practical ways to separate the living area from the bedroom. During the day, you can open your space and let it feel wonderful. At night, by closing the door, you get a real bedroom, not just a bed in the corner.
Home Office Corners
If you are working from home, creating a workspace is a must. With a double-cavity door, you can turn a nook into a focused workspace during the day and let it disappear when you are done.
Final Words
Double cavity doors do not scream, “Look at me.” They quietly change how your apartment works. Rooms feel larger. Light moves better. You stop rearranging furniture to work around doors that insist on being in the way.
And for a rented space, that kind of transformation, without blowing the budget or breaking the rules, feels like a small win that actually changes daily life.
Occasionally, the smartest upgrade is not adding something new. It is letting something slide by.




