How much does exterior home insulation cost?

By Sammy Byron , on November 4, 2022 - 3 minutes to read
Isolation extérieure d'une maison

If you find that your energy bills are too expensive, that your home is too hot in the summer and cold in the winter, that your home lacks sound comfort; insulation work could put an end to all your worries.

Every building needs to be insulated from the outside for several reasons. Noise prevents the owners from living peacefully; the sun is too hot in summer is often painful; the storms and bad weather in winter become even dangerous. Hence the capital importance of a good quality insulation

Insulation methods

There are different techniques of insulation. Each one has its own characteristics:

  • Insulation from inside ;
  • Insulation from the outside;
  • distributed or integrated insulation.

Several materials can be used in the methods mentioned, we can find insulation based on cork, rock wool, glass wool, polystyrene, and other materials. The prices and costs often depend on the materials used, whether for interior, exterior or integrated insulation.

What is exterior insulation?

Exterior home insulation is a method of very effective against the thermal problems you encounter at home. Heat loss is significantly reduced once the exterior is insulated and drafts are rare.

The roof and walls of your house can be insulated with this process. Insulation will be added to them. And the advantage of this technique is that you will not have to leave your home because the work will not touch the interior surfaces of the house.

Exterior insulation of a house is an excellent alternative if you do not like the facade of your home and you want to change it, beautify it and improve it.

The costs of an exterior insulation of a house

The exterior insulation of a house is a technique that requires a lot of work. A new layer will be added to the walls or roof of the house. This layer is made of an insulating material that will prevent the heat from escaping and therefore reduce your heating bill.

This method requires more work than the others and that’s why it’s expensive. Exterior insulation, on the other hand, has excellent results and will save you money in the future.

The cost of the work varies between 50 and 80 euros/m2, or even more in some cases.

The costs depend on several factors such as:

  • Materials used;
  • The thickness of the insulation;
  • The techniques used for this exterior insulation;
  • The type of building in question and its configuration;
  • The area of the walls or roof;

In order to make the right choice, it is advisable to to choose a comparator which will choose for you the best offers and the companies which will meet your needs best.

Sammy Byron

After studying as a specialist in investigative journalism across Europe, I decided to start writing for my own community of Internet users. You can also find my most accurate studies and analyses on the latest trends in the United States. If you are interested in an analysis or a study in collaboration with our Experts, do not hesitate to use the dedicated contact form.


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