Price and estimate roof elevation

Raising the roof is a construction technique that has the advantage of enlarging the living area of ​​your home under the roof, or even adding a floor and thus gaining space without impacting the footprint of the house on the ground. It also has the advantage of improving the insulation of the house, both from a sound and thermal point of view. This type of expensive project brings real added value to a house, while improving its aesthetics.

What budget should I plan for an elevation of the roof according to the chosen process?

There are two main types of roof elevation:total elevation and partial elevation.

• The partial elevation :this method consists of raising part of the house, by adding a room superimposed on an existing room or a room on a garage or a roof terrace.
• The total elevation :this solution is characterized by the addition of a floor to the dwelling, otherwise the creation of several rooms. This type of elevation is more expensive and requires heavy work that affects the entire structure of the house.

There are two possible ways to raise a roof:wood or concrete.

• The concrete elevation :this method is the most widespread. It has the advantage of allowing the realization of all architectural styles and it is suitable for all types of housing. On the other hand, it is more complex to set up and also more expensive. Imposing and heavy, it generally requires the reinforcement of the foundations of the house. Count 1,700 to 2,500 euros per square meter.
• The wooden elevation :this elevation has the advantage of being light, simple to install and inexpensive. On the other hand, its aesthetics may not suit all homes and it leaves little room for customization. For this type of construction, plan on average 1,800 euros per square meter.

Comparative table of roof elevations

What elements influence the overall budget for a raised roof?

If the budget to plan for raising your roof also differs greatly from one service provider and from one service to another, it is due to the fact that many criteria come into play. Among these, we can cite the type of elevation chosen, the total surface of the elevation, the desired roof model, the architecture of the dwelling, the possible need to solidify the architecture and/or the foundations, etc.

Other data to be included:

• The budget for the feasibility study:an elevation cannot be improvised. You will need to hire a professional to carry out a feasibility study which alone can cost 3,000 euros.
• The cost of labour:this can vary from one to two depending on the service provider chosen.
• The cost of materials.
• The architect's fees:if the raised area is greater than 170 m², you will need to hire an architect and include his fees in your budget.

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