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Boissy-Saint-Léger · report

Buy or rent in Boissy-Saint-Léger

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
€1,682
Owning per month
€1,069

Try your own numbers

Starting from the median sale price of apartments, €3,248/m², and the asking rent of an apartment, €18.7/m² a month with charges (2025), in Boissy-Saint-Léger, and a mortgage rate of 3.2%.

Assumptions
90
3.2
1
Property tax (taxe foncière), insurance, maintenance and co-ownership charges.
3
What the deposit and purchase costs could earn if invested instead.
7
Notary fees and transfer duties, paid once.

Owning costs less each month than renting.

Rent a month
€1,682
Owning a month, not recovered
€1,069
Interest
€702
Running costs
€244
Return given up
€124
Cash out a month, if buying
€1,381

Gross rental yield in Boissy-Saint-Léger

A year's asking rent as a share of the sale price, apartments, for each year the rent map was published. Higher means rent is dear compared with buying.

Show the numbers
PeriodBoissy-Saint-Léger
20256.6%
20247.8%
20236.2%
20225.7%

The comparison counts only the costs of owning you never get back: interest, running costs and what the deposit and purchase costs could earn elsewhere. Loan repayments build equity, so they are left out. So is any rise in the home's value, because nobody knows it in advance. Rents here are asking rents with charges included, from the ANIL rent map, so they run a little above what tenants pay in rent alone, and the yield reads a little high.

Other reports for Boissy-Saint-Léger

At the median sale price, a 90 m² home costs €310,950. With 10% down and a 30-year mortgage, the payment is €1,210 a month. The HCSF caps it at 35% of a household's income.

Payment, two incomes
30%
Payment, one income
61%

Figures for Val-de-Marne: Boissy-Saint-Léger has no reliable figures of its own.

9.9% more homes were licensed for construction in the last 12 months than in an average year of the past decade.

Licensed, 12 months
12,010

In 2022 the population fell by 10 while 117 homes were started.

Homes started, 2022
117
Population change, 2022
−10

5.8% of the 7,469 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.

Empty, 2023 census
5.8%
Empty homes
436

In 2025, 2% of the homes authorised were in existing buildings: conversions, extensions and changes of use.

Homes in existing buildings, 2025
2%