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Advantages and disadvantages
The houses in kit form an assembly of modules and elements pre-cut in the factory. In other words, most of the work takes place upstream of the site, which avoids possible delays relating to bad weather conditions. In this sense, costs and delivery time are reduced. This is why, compared to traditional constructions, the kit house is more economical and faster to build. There is a reduction of 30 to 50% on the budget compared to conventional constructions. And that's not all ! Being subject to strict standards in terms of insulation and heating, Kit houses are generally part of low-consumption housing.
Economical, fast and easy to build and ecological. Obviously, the kit house has everything to please but it also has some constraints that it is better to know before getting started. Certainly the cost of housing is lower than a traditional construction but be aware that we do not always mention the price of transport. This represents one of the biggest budgets for such a project. In the same way, if you opt for a wooden kit house, do not forget to plan a budget dedicated to maintenance. Last constraint of the houses in kit: they are not installed everywhere! Forget mountainous terrain or subject to strong storms that can weaken the construction.
The standards to be respected
Before embarking on a concrete project, you must know all the standards and procedures to be respected. Start by approaching your town hall to check the feasibility of the project. If your urban planning plan allows you to build a house in kit form, you will need to apply for a building permit if it exceeds 40m².
But the most important step is that of the field study. Upstream, you must have your soil assessed by experts to avoid any sagging. The soil must be flat or slightly sloping (to drain rainwater) and must be compact enough not to risk the collapse of the foundation.
Finally, like all construction, you must comply with the 2012 thermal regulations (RT 2012) which require a maximum consumption of 50kWh per m² as well as the energy regulations which aim to favor renewable energies.
The different stages of construction
As with all houses, the first thing to do is to define the plans (ideally with an architect). The owner must then decide to call on a builder if he does not want to assemble everything himself. After ordering the modules to be pre-fabricated in the factory, structural work (such as earthworks and laying of foundations) can begin. It follows the assembly of the modules as well as the finishes (plumbing, coatings ...).