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Orsay · report

Empty homes in Orsay

7.5% of the 8,374 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.

Empty, 2023 census
7.5%
Empty homes
630

Empty homes in Orsay, census by census

Share of homes standing empty at each census, against the wider areas.

  • Orsay
  • Essonne
  • France
Show the numbers
CensusOrsayEssonneFrance
20237.5%6.6%7.8%
20177.3%6.3%8.2%
20125.5%5.6%7.6%
20074.8%4.7%6.5%
19995.2%6.5%6.9%
19906.0%4.8%7.2%
19826.4%5.8%7.6%
19754.0%6.2%7.7%
19686.3%5.9%6.6%

Against the wider area

Share of homes standing empty in the 2023 census.

AreaEmpty
Orsay7.5%
Essonne6.6%
France7.8%

INSEE counts a home as vacant when nobody lives in it: for sale, to let, already let or sold but not yet occupied, awaiting repair, or kept empty. Second homes are counted apart and are not included. The latest census is the rolling survey of 2021 to 2025.

Other reports for Orsay

At the median sale price, a 90 m² home costs €367,740. With 10% down and a 30-year mortgage, the payment is €1,431 a month. The HCSF caps it at 35% of a household's income.

Payment, two incomes
23%
Payment, one income
47%

Owning a 90 m² apartment costs less each month than renting it. Owning counts interest, running costs and the return the deposit could earn, at apartments' median sale price; rent is the asking rent. Repaying the loan is saving, so it is left out.

Rent per month
€1,762
Owning per month
€1,291

Figures for Essonne: Orsay has no reliable figures of its own.

33.7% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.

Licensed, 12 months
5,659

In 2022 the population fell by 157 while 19 homes were started.

Homes started, 2022
19
Population change, 2022
−157

In 2025, 0% of the homes authorised were in existing buildings: conversions, extensions and changes of use.

Homes in existing buildings, 2025
0%