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Kit home costs
| One-bedroom kit | A$31,950 for 23.93 m², materials only[1] |
|---|---|
| Three-bedroom kit | A$107,610 for 120.70 m²[1] |
| Four-bedroom kit | A$152,710 – A$154,640 for about 153 m²[1] |
| Four-bedroom, built | About A$360,000, half materials and half labour[2] |
| Delivery | A$900 per 100 km zone, plus GST, one supplier[3] |
| *Kit prices include GST unless stated and exclude assembly, slab or floor, site works, approvals and licensed trades. | |
Kit home suppliers publish prices for materials only. One supplier's May 2026 list puts a one-bedroom kit at A$31,950, a three-bedroom kit at A$107,610 and four-bedroom kits at about A$153,000, while the same supplier estimates a finished four-bedroom kit home at around A$360,000 — roughly half materials and half labour.[1][2] All of these figures are supplier-published commercial guidance, not independent survey data.
A kit home is a house supplied as a set of pre-cut, pre-engineered materials that a builder or an owner-builder assembles on site. That makes it the cheapest-looking product in Australian prefab and the easiest to misread: the kit price is the price of the parts. The comparison with a modular price — which usually covers a finished building delivered to the block — is set out in Modular vs kit home. This page covers what a kit costs at each stage, by size, and what has to be paid on top.
What a kit price buys §
Suppliers do not all sell the same thing under the word "kit". Two published structures illustrate the range.
One supplier sells a house in three packages: a Lockup kit (frame, cladding, roofing, windows and external doors), a Lining kit (plasterboard, internal doors, trims, robes and wall insulation) and a Final kit (kitchen, bathroom and laundry fit-out).[4] The floor is a separate optional kit, and delivery and permit costs are excluded.[1] Even the three kits together leave out items a house cannot do without, including electrical work, wet-area waterproofing, tiles, paint, floor coverings and plumbing and electrical supplies.[4]
Another supplier sells the steel frame and shell only — frame, roof and wall sheeting, gutters and flashings, with council drawings and engineering — and lists labour, site preparation, internal fit-out, plumbing and electrical, approvals and freight as excluded.[5]
The practical consequence is that two kit prices for the same floor area can describe very different stopping points. The first question for any kit quote is which stage it reaches.
Kit prices by bedroom count §
The table uses one supplier's published list because it is the only source located that gives prices by stage and by design on the same basis. Prices include GST and are for supply to metropolitan Melbourne; other states are priced on request.[1]
| Design | Bedrooms | Area m² | Lockup kit | Full kit | Floor kit (extra) |
|---|---|---|---|---|---|
| Oakdale | 1 | 23.93 | A$18,060 | A$31,950 | A$5,350 |
| Portland | 2 | 52.60 | A$34,500 | A$52,150 | A$11,150 |
| Wodonga | 3 | 120.70 | A$77,100 | A$107,610 | A$24,550 |
| Bairnsdale | 3 | 159.85 | A$97,200 | A$143,200 | A$35,910 |
| Hunter Valley | 4 | 152.72 | A$102,530 | A$152,710 | A$18,440 |
| Toowoomba | 4 | 154.00 | A$97,880 | A$154,640 | A$30,810 |
Two patterns are worth noticing. The lockup stage is the largest share of every kit — between about 57 and 72 per cent of the full kit price in the designs above. And bedroom count is a weak predictor of price: the two three-bedroom designs differ by A$35,590, mostly because one is 39 m² larger.[1]
Other suppliers publish lower starting figures because they sell less. Shell-only steel-frame kits for three-bedroom homes are advertised from A$44,700 to A$83,200,[5] and a South Australian catalogue lists owner-builder three-bedroom kits from about A$95,790.[6] These are not comparable with a full-kit price until the missing stages are priced.
From kit price to finished house §
The supplier with the most detailed list puts a typical four-bedroom kit home at around A$360,000 finished, split roughly evenly between about A$180,000 of materials and about A$180,000 of labour and construction, before site and approval costs.[2] The same supplier says a two-bedroom kit home at around A$150,000 is achievable only if labour is controlled and the owner contributes work, and that a one-bedroom can come in under A$100,000; it recommends a contingency of 10 to 15 per cent.[7]
Those are the supplier's own estimates for its own products. Read together with the price list, they imply the kit is roughly half of the finished cost of a larger home — not the "small fraction" the headline price can suggest, but not most of it either.
The owner-builder saving §
Kit homes are usually sold on the assumption that the buyer will owner-build. One supplier estimates owner-builder savings at around 20 to 40 per cent against using a registered builder, and gives a lock-up stage example of A$60,000 as an owner-builder against A$80,000 to A$90,000 with a builder.[8]
That saving has limits. Licensed electrical and plumbing work remains a cost on an owner-builder project,[8] and owner-building needs a permit above a value threshold — in Queensland, for a project costing more than A$11,000 — and in Queensland owner-builders are not eligible for the state's home warranty scheme.[9] The thresholds and education requirements in each state are set out in Owner-builder permits by state, and what an owner-builder gives up in statutory warranty cover is covered in Prefab warranties, maintenance and later changes.
Delivery and the price lock §
Kit delivery is priced by distance. One supplier charges A$900 plus GST within 100 km of a distribution point, A$1,800 up to 200 km, A$2,700 up to 300 km and a further A$900 for each additional 100 km zone, once per project.[3] Because the materials arrive in several deliveries, the person receiving them on site also needs secure storage — a cost that appears in no price list.
The same supplier states its supply-contract price is protected against eligible increases for six months from signing.[3] A kit bought for a project that will take longer than that to reach each delivery stage carries price risk on the later kits. How fixed-price and escalation terms work in off-site contracts generally is covered in Price rises and variations in modular contracts.
What sits on top of every kit §
- Slab or floor. Priced separately in every source located.[1][5] Footing choices are covered in Foundations for modular and prefab homes.
- Approvals and certification. Excluded from kit prices.[1][5] A kit home needs the same approvals as any other dwelling — see What is a kit home.
- Site works and connections. Excluded.[5] Typical items are listed in Site works costs and Service connections.
- Wind and bushfire upgrades. One supplier's standard specification is wind class N3 and BAL-Low; anything above that is quoted separately.[1]
What is not covered here §
No independent survey of completed Australian kit home costs has been located. The prices above come from suppliers with a commercial interest, describe their own products, and are tied to particular supply regions — the most detailed list is priced for metropolitan Melbourne.[1] Labour rates for assembling a kit, by state or by trade, are not covered by the sources compiled here. Nor is the resale or valuation treatment of an owner-built kit home, beyond what is said in Valuation and resale of modular homes.
Inclusion of a supplier's prices on this page is not an endorsement.
Sent to info@modularlivingaustralia.com.au and handled by a person. See Privacy.
References §
- iBuild Kit Homes — N3 Price Guide, version dated 1 May 2026. Prices include GST, are for material supply only and are based on supply to metropolitan Melbourne, with other states priced on request. Each kit is the sum of a Lockup kit, a Lining kit and a Final kit (kitchen and bathroom), with a floor and deck kit priced separately as an option; delivery and permit costs are excluded and the standard specification is wind class N3 and BAL-Low. Examples include the one-bedroom Oakdale (23.93 m²) at A$31,950 with A$18,060 lockup, A$6,380 lining and A$7,510 final; the two-bedroom Portland (52.60 m²) at A$52,150 (lockup A$34,500); the three-bedroom Wodonga (120.70 m²) at A$107,610 (lockup A$77,100, lining A$14,960, final A$15,550, floor A$24,550 extra); the three-bedroom Bairnsdale (159.85 m²) at A$143,200 (lockup A$97,200); the four-bedroom Toowoomba (154.00 m²) at A$154,640 (lockup A$97,880, lining A$29,050, final A$27,710, floor A$30,810 extra); and the four-bedroom Hunter Valley (152.72 m²) at A$152,710 (lockup A$102,530, floor A$18,440 extra). Supplier-published commercial guidance. i-build.com.au/wp-content/uploads/pdf/kithomes/Pricelist/iBuild%20Kit%C2%A0Homes%C2%A0N3%C2%A0Price%C2%A0Guide%C2%A020260501%20V100.pdf
- iBuild Kit Homes — Knowledge base article on four-bedroom kit home cost, last modified November 2025. Puts a typical four-bedroom kit home at around A$360,000 in total, made up of about A$180,000 in materials and about A$180,000 in labour and construction, with site and approval costs not quantified; says owner-builders managing their own projects report savings of 20 to 40 per cent against a builder-managed home. Supplier-published commercial guidance. i-build.com.au/knowledgebase/how-much-is-a-4-bedroom-kit-home/
- iBuild Kit Homes — Kit Homes Australia page, modified October 2026. States assembly and site works are additional unless specifically stated; lists delivery at A$900 plus GST within 100 km of a distribution point, A$1,800 up to 200 km, A$2,700 up to 300 km and a further A$900 per additional 100 km zone, charged once per project; and states a supply-contract price is protected against eligible increases for six months from signing. Supplier-published commercial guidance. i-build.com.au/kit-homes-australia/
- iBuild Kit Homes — Kit inclusions and exclusions page. Describes the Lockup kit as frame (prefabricated trusses and wall frames with structural design and certification), cladding with wall wrap and roof insulation, roofing and guttering, and windows and external doors; the Lining kit as plasterboard, internal doors, skirting and architraves, robes and wall insulation; and the Final kit as bathroom, laundry and kitchen fit-out. Exclusions include general fixings, wall tie-downs, sealants and flashings, electrical work, paint and floor coverings, wet-area waterproofing and tiles, and plumbing and electrical supplies. Supplier-published. i-build.com.au/kit-homes-inclusions-exclusions/
- Widespan Homes — Three-bedroom kit homes page, 2026. Lists three-bedroom steel-frame kits from A$44,700 to A$83,200, and general kit prices from A$27,300 to A$112,400, with a stated upper figure of A$141,000 for designs for N3 wind conditions. Describes the kit as the steel frame structure and shell of the home with council drawings and engineering, and lists construction labour, land preparation, internal fit-out, plumbing and electrical, council approvals and freight as excluded. Supplier-published commercial guidance. widespanhomes.com.au/3-bedroom-kit-homes/
- Prefab Catalog — Commercial prefab catalogue, April 2026 article on South Australian modular builders. Lists owner-builder kit starting prices including a three-bedroom design from about A$95,790 and two further three-bedroom designs from about A$98,260 and A$98,520. A catalogue with a commercial interest in the builders it lists. prefabcatalog.com/blog/best-modular-builders-sa-australia-2026
- iBuild Kit Homes — Knowledge base article on building for A$150,000, modified November 2025. States a two-bedroom kit home at around A$150,000 is achievable if labour costs are controlled and the owner contributes work, that a one-bedroom can come in under A$100,000 depending on choices, and recommends a 10 to 15 per cent contingency buffer; labour, slab, licensed trades and council fees are named but not priced. Supplier-published commercial guidance. i-build.com.au/knowledgebase/can-you-build-a-house-for-150k-in-australia/
- iBuild Kit Homes — Knowledge base article on owner-builder savings, modified April 2025. Estimates owner-builder savings at around 20 to 40 per cent against a registered builder, with a lock-up stage example of A$60,000 as an owner-builder against A$80,000 to A$90,000 with a builder; notes engineering reports, council fees and licensed electrical and plumbing work as extra costs without figures. Supplier-published commercial guidance. i-build.com.au/knowledgebase/how-much-can-i-save-as-an-owner-builder-compared-to-hiring-a-builder/
- Queensland Building and Construction Commission (QBCC) — About owner-building. States a permit is required if the project will cost more than A$11,000 (labour and materials at trade prices), and that owner-builders are not eligible for the Queensland Home Warranty Scheme. qbcc.qld.gov.au/home-owner-hub/owner-build/about-owner-building
Figures are as published by the sources above at their respective dates and are paraphrased summaries, not verbatim reproductions. Verify current pricing and rules directly with builders, lenders and planning authorities.