Not Class 1a

Sold as an expanding unit. It isn't sold as a Class 1a home, so it can't be approved as a house to live in. On wheels, council local laws decide how long you can live in it. What a certifier needs to see.

Is this your home? Claim, fix or remove the listing.

Expander · Not Class 1a

30ft Class 1a (Council Approved) Expander Home

by Express Portables

$84,500 ex factory

Maker	Express Portables, Bundall, QLD
Size	8.5 x 6.42 m · 54.6 m²
Price	$84,500.00 AUD (GST included.) Read from the maker's page on 15 Oct 2026
Price per m²	$1,548
What they say about approval	The Class 1a Expander Homes are a fully self-contained, certifiable dwelling designed and manufactured to comply with the National Construction Code (NCC) and Building Code of Australia (BCA), making them suitable for permanent residential use (subject to site approval). source
Structural warranty	All Express Portables buildings, including fixtures and fittings supplied with the building, are covered by a one-year warranty from the customer’s delivery date. source
Frame	Australian engineered galvanised steel frame with increased steel thickness source
Cladding	Cladding Timber grain effect source
Delivery and install	All homes are delivered in a packed-down format, ready for on-site installation by your licensed builder or you, with an Owner-Builder Permit. source
Where they deliver	Australia wide delivery source
Display home or yard	Display Village 9 Upton Street, Bundall (Appointment Only) source

Why it stands out

Display village at 9 Upton Street, Bundall, Saturday 9am to 1pm without booking
Prices published for every expander model
Class 1a expander range described as NCC and BCA compliant
Good for: Fold-out expander homes with published prices

What it costs on your block

Add your address for the installed price

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"Get it checked" starts with the certifier's planning report for your block, before you buy anything. The installed price is an estimate, not a quote.