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Bièvres (91) · report

Renovation in Bièvres (91)

In 2025, 25% of the homes authorised were in existing buildings: conversions, extensions and changes of use.

Homes in existing buildings, 2025
25%

Homes authorised in Bièvres (91): new buildings and existing ones

Dwellings authorised each year, by the year the permit was granted: in new buildings, and by works on existing buildings (conversions, extensions, changes of use). SDES Sitadel.

  • Existing buildings
  • New buildings
Show the numbers
YearNew buildingsExisting buildingsTotal
2025314
202416117
202369170
2022112
202122—22
202076480
201919221
20184—4
20174—4
201639—39
201584—84
20144—4
20136—6

Only permits that create dwellings are listed, so renovation that adds no home (refurbishing, insulating, re-roofing) is not counted. A permit is permission to build, not a finished home. The current year is left out until it is complete.

Other reports for Bièvres (91)

At the median sale price, a 90 m² home costs €422,640. With 10% down and a 30-year mortgage, the payment is €1,645 a month. The HCSF caps it at 35% of a household's income.

Payment, two incomes
26%
Payment, one income
51%

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
€1,787
Owning per month
€1,233

Figures for Essonne: Bièvres (91) 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 14 while 2 homes were started.

Homes started, 2022
2
Population change, 2022
−14

5.5% of the 2,083 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.

Empty, 2023 census
5.5%
Empty homes
114