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Rosny-sur-Seine · report

Empty homes in Rosny-sur-Seine

5.7% of the 2,931 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.

Empty, 2023 census
5.7%
Empty homes
167

Empty homes in Rosny-sur-Seine, census by census

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

  • Rosny-sur-Seine
  • Yvelines
  • France
Show the numbers
CensusRosny-sur-SeineYvelinesFrance
20235.7%5.9%7.8%
20178.4%6.3%8.2%
20126.4%5.5%7.6%
20074.9%4.8%6.5%
19995.0%6.1%6.9%
19906.2%5.2%7.2%
19825.9%5.8%7.6%
19754.0%6.6%7.7%
19688.6%6.5%6.6%

Against the wider area

Share of homes standing empty in the 2023 census.

AreaEmpty
Rosny-sur-Seine5.7%
Yvelines5.9%
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 Rosny-sur-Seine

At the median sale price, a 90 m² home costs €212,490. With 10% down and a 30-year mortgage, the payment is €827 a month. The HCSF caps it at 35% of a household's income.

Payment, two incomes
20%
Payment, one income
40%

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
€1,330
Owning per month
€798

Figures for Yvelines: Rosny-sur-Seine has no reliable figures of its own.

12.7% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.

Licensed, 12 months
7,492

In 2022 the population grew by 287 while 15 homes were started: 19.1 new residents for every new home.

New residents per new home, 2022
19.1
Population change, 2022
+287

In 2025, 54% of the homes authorised were in existing buildings: conversions, extensions and changes of use.

Homes in existing buildings, 2025
54%