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Property Area in France: Understanding Floor, Living, and Taxable Areas

  • Writer: DN Architectes
    DN Architectes
  • Nov 4, 2025
  • 2 min read

Updated: Nov 10, 2025

Understanding the Different Types of Property Area in France


Confused about property size in France?


Often, our clients are surprised to discover that the area stated in their sale deed is different from the area mentioned in their Building Permit application. This is because French real estate terminology distinguishes between several types of surfaces, which can lead to confusion about the actual size of a home or apartment.


Cross-section architectural diagram comparing surface plancher, surface taxable, and surface habitable in French real estate, showing differences between living area and total floor area including attic, garage, basement, terrace, and veranda—by DN Architectes

Surface de plancher (Floor Area) 


The main term used in urban planning. This is the area you will declare in your Building Permit application. It also determines whether you are legally required to hire an architect for your project (see our article: Do I Need to Hire an Architect to build a villa in France?).


It corresponds to the sum of all enclosed and covered areas on each floor, measured from the interior perimeter of exterior walls. From this area, the following are deducted:


  • Openings in floor slabs, such as stairs and elevators

  • Exterior door and window recesses

  • Areas with ceiling height of 1.8 m (5.9 ft) or less

  • Storage areas for cars, bikes, or motorcycles


For collective dwellings, additional areas also need to be deducted.


Surface taxable (Taxable Area) 


It is used to calculate the Development Tax (taxe d’aménagement). This must also be reported in your Building Permit application along with Surface de Plancher. It is defined as the Floor Area (Surface de Plancher) plus all covered areas dedicated to vehicle storage (cars, bikes, motorcycles).


Surface habitable (Living Area)

Generally used in real estate listings. This is the sum of all usable enclosed and covered areas, excluding walls, stairs, riser shafts, and door and window recesses.


Need guidance on your project?

Feel free to contact us — DN Architectes will help you make the most of every square meter in your property area in France.



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