Model comparison
20ft vs 30ft vs 40ft Expandable Homes
Transport length is only the starting point. The better size is the one that fits the intended use, expanded floor area, delivery path, site placement, services and complete project budget.
Verified 18 September 2026Updated 18 September 2026
Quick decision
Which model fits the brief?
Start with the 20ft Cove Studio for a compact flexible brief, the 30ft Span 30 for a more balanced family layout, and the 40ft Horizon 40 when larger living capacity or a two-bathroom direction is important. Then test the preferred format against the actual site.
Side-by-side
Compare the published starting points.
These are product-level references, not complete project quotations. Confirm current drawings, inclusions and site-specific scope before making a purchase decision.
| Decision point | The Cove Studio | The Span 30 | The Horizon 40 |
|---|---|---|---|
| Reference model | The Cove Studio | The Span 30 | The Horizon 40 |
| Transport format | 20ft expandable module | 30ft expandable module | 40ft expandable module |
| Expanded area | Approx. 36.74 m2 | Approx. 56.52 m2 | Approx. 74.10 m2 |
| Plans currently shown | 1, 2 or 3 bedrooms | 2 or 3 bedrooms | 2 or 3 bedrooms |
| Bathrooms | Final set-out to confirm | 1 | 1 or 2, depending on plan |
| Indicative starting price | From $23,000 product only | From $49,500 product only | From $38,900 product only |
| Best starting point | Compact guest, holiday or flexible accommodation | Balanced family living and regional projects | Larger family, accommodation or multi-room briefs |
Choose The Cove Studio when
Keep the format compact.
- The brief values the shortest transport format and smallest expanded footprint.
- Guest, holiday or flexible accommodation is the primary use being tested.
- One-, two- or compact three-bedroom plan directions are worth investigating.
- The site and budget favour a smaller product starting point.
Choose The Span 30 when
Balance space and access.
- The project needs more everyday living space than the 20ft format provides.
- A two- or three-bedroom family layout is the working brief.
- Approximately 56.52 m2 is enough without moving to the longest format.
- The 30ft transport and placement pathway suits the property.
Choose The Horizon 40 when
Prioritise capacity.
- The brief benefits from the largest published expanded area in this comparison.
- A three-bedroom, two-bathroom direction is important.
- The access and placement review can support the longer nominal transport form.
- Room separation and multi-room capacity outweigh the value of a smaller format.
Shared checks
What the model comparison cannot decide.
Product fit is only one part of the decision. These items remain specific to the property, supplier scope and intended use.
- 01The intended use and planning or building pathway for the property.
- 02Truck access, turning space, lifting or placement method and overhead constraints.
- 03The usable expanded footprint, setbacks, foundations, drainage and service routes.
- 04Current supplier drawings, inclusions, engineering evidence and written pricing.
- 05Freight, installation, approvals, professional fees and all other project costs.
Common questions
Before choosing a format.
Is a 40ft expandable home always better value than a 20ft or 30ft model?Open
No. Displayed starting prices are product-level references with different layouts, inclusions and supplier scopes. Complete value depends on the usable plan, freight, placement, site work, approvals, services and written final quotation.
Does 20ft, 30ft or 40ft describe the finished home size?Open
Not by itself. The label describes the nominal compact transport format. Each product opens into a larger on-site footprint, so compare the published expanded area and current drawings rather than relying on transport length alone.
Which expandable-home size is easiest to deliver?Open
A shorter format can simplify some access conditions, but delivery feasibility still depends on width, height, weight, turning space, gradients, overhead constraints and the proposed placement method. A site-specific access review is required.
Which size is suitable for permanent living?Open
Size alone does not establish lawful residential use. The proposed use, planning controls, building classification, certification evidence, siting and services must be confirmed for the property and selected product.
Evidence and scope
- Current Cove Studio, Span 30 and Horizon 40 supplier quotation references
- Current supplier plan and dimension references for all three formats
- ModuHaus product configuration, pricing scope and site-review notes
This comparison is general product information, not planning, building, engineering, certification or financial advice. Product specifications and pricing can change. Confirm the current written supplier scope and requirements for the property before proceeding.
Planning Assessment
Compare the site before committing to the model.
Share the property, intended use and access details so ModuHaus can help turn the preferred product into a clearer project brief.