Good thermal insulation optimizes living comfort and reduces energy bills. Do you want to insulate a house? The budget to be expected depends on the parameters of your project. Find out about the price of thermal insulation for a house.
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Invest inthermal insulation of a house can give you the benefit of a low-cost house energy, comfortable and healthy. If the price of insulation of a house can be high, it allows to reduce the energy bill in the long term, and to benefit from an optimal thermal comfort. What is the budget for the thermal insulation of a house? Find out the price of insulation work in our comprehensive guide.
What is the price of thermal insulation?
In order to improve the thermal performance of a house, an insulation professional can achieve thermal insulation from the outside or from the inside. The price of thermal insulation depends directly on the project to be undertaken.
Price of thermal insulation from the outside (ITE)
THE’thermal insulation from the outside or ITE consists of asking material insulation in the exterior walls. A layer ofinsulating thermal is placed directly on the facade, and is then protected by a facade cladding. This operation considerably improves the thermal performance of the home without reducing the living area. The insulation of the facade also makes it possible to reduce the losses of heat.
The exterior insulation of a house is the most efficient process … and the most expensive! On average, the price of wall insulation outdoor spaces is between 70 and 120 € per m² (supply and labor).
Cost of insulating a house from the inside
The thermal insulation of a house from the inside is a simpler operation, which consists of installing insulation on the interior walls, and protecting the thermal insulation by partitions.
Carrying out wall insulation work can reduce your energy bill by up to 15%. The operation often involves insulate the attic, walls, floors and ceiling. On average, the price of thermal insulation of a house from the inside is between 20 and 100 € per m² (supply and labor).
The following table gives some examples of prices for thermal insulation from the inside, depending on the parts of the house to be insulated:
| Insulation work | Budget to plan |
| Interior wall insulation | Between 10 and 80 € per m² |
| Roof insulation | Between 20 and 50 € per m² |
| Interior insulation of a floor | Between 20 and 50 € per m² |
| Ceiling insulation | From 10 € per m² |
Price of thermal insulation of a house
Thermal insulation of a house can be achieved using different types of insulating materials. Depending on the wall to be insulated, the insulation technique and the desired result, the craftsman can use glass wool, hemp fiber, cellular glass, expanded polystyrene, sheep wool and many others. types of insulation. The cost of insulating a house with glass or rock wool varies between 3 and 10 € per m² (excluding installation).
If you plan to insulate a house without the help of a craftsman, it is useful to find out about the price of thermal insulation (excluding installation).
The table often gives the price of some thermal insulators as an indication:
| Type of insulation | Thermal insulation price |
| Glass wool | Between 3 and 8 € per m² |
| Rockwool | Between 5 and 10 € per m² |
| Fiber or wool drink, hemp, flax | Between 15 and 20 € per m² |
| Cellular glass | Between 10 and 50 € per m² |
| Cork insulation | Between 10 and 30 € per m² |
| Sheep wool, duck feather, cellulose waddingcotton | Between 15 and 20 € per m² |
| Cotton wool | Between 12 and 25 € per m² |
| Perlite | Between 190 and 200 € per m3 |
| Expanded or extruded polystyrene | Between 10 and 20 € per m² |
| Expanded clay | Between 5 and 8 € per bag |
| Polyurethane | From 40 € per m² |
| Cellulose wadding | Between 20 and 25 € per m² |
| Vermiculite | Between 10 and 15 € per m² |
| Coconut fiber | Between 25 and 30 € per m² |
| Reed panels | Between 35 and 40 € per m² |
| Straw | Between 40 and 45 € per m3 |
| Vegetalized roof | Between 45 and 100 € per m² |
| Vacuum insulating panels | Between 40 and 60 € per m² |
| Aerated concrete | Between 20 and 45 € per m² |
| Monomur brick | Between 50 and 55 € per m² |
Request quotes for insulation of a house
It is strongly recommended to use an insulation company when renovate insulation of a house or apartment. It is therefore better to budget your thermal insulation work well.
Requesting a home insulation quote is the most convenient way to accurately estimate the budget for your insulation work. In order to determine its price, the craftsman often takes into account several parameters such as:
- the insulating material to be used ;
- The wall to be insulated;
- The insulation technique;
- The accessibility of the site;
- The type of insulation;
- The area to be covered;
- The work to be done.
These different factors will clearly influence the cost of thermal insulation of a house. The prices offered by professionals can then be different. Therefore, it is advisable to request and compare several insulation quotes to find the best deal. The form below allows you to request insulation quotes for free, and without obligation.
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