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There is no restriction on the size of your prefab home. The great thing about a modular design is that it allows you to expand your build whenever necessary.
Some smaller prefab houses might come in at around 350 square-feet. Whereas much larger builds can go as high as 3,000+!
Usually, the costs that you see attached to prefab houses is the material cost only. If you want to construct a prefab there are several additional costs that you should consider.
If you plan to build foundations for your prefab house, you should make sure to factor this into your budget as it can be expensive. Additionally, things like labour costs, surveys, utility hookups and landscaping are typically not included within the advertised cost.
According to a source from Modular Homeowners, you can expect to save anywhere from 10% to 20% on a prefab build compared to a traditional build. Why is this? The majority of your savings come from a reduction in labour costs. The nature of prefab construction makes for a faster build. A prefab house also produces least waste as each module is carefully designed to utilise materials as efficiently as possible.
This can depend on which prefab house has been selected. Some companies will offer an ‘energy-efficient’ option which has been optimised for efficiency. Some aspects are certain, however. Prefab houses are usually machined in factories. This process extracts as much from the materials as possible, minimising waste. Adding solar panels or tankless water heaters to your build will improve the energy efficiency of your home.
The actual fabrication of a prefab house can take as little as 6 weeks. However, most builders will recommend a build time anywhere from 8-12 weeks.
Of course, there is much more included within the process than just construction. You might need to spend time designing your home, getting your land surveyed, acquiring licenses and securing a loan.
Once everything is organised, a standard prefab build might take about 6 months, from inception to fabrication.