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Les Clayes-sous-Bois · report

Buy or rent in Les Clayes-sous-Bois

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
€1,675
Owning per month
€1,003

Try your own numbers

Starting from the median sale price of apartments, €3,045/m², and the asking rent of an apartment, €18.6/m² a month with charges (2025), in Les Clayes-sous-Bois, 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
€1,675
Owning a month, not recovered
€1,003
Interest
€658
Running costs
€228
Return given up
€116
Cash out a month, if buying
€1,295

Gross rental yield in Les Clayes-sous-Bois

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
PeriodLes Clayes-sous-Bois
20257.6%
20246.2%
20236.5%
20226.6%

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 Les Clayes-sous-Bois

At the median sale price, a 90 m² home costs €306,540. With 10% down and a 30-year mortgage, the payment is €1,193 a month. The HCSF caps it at 35% of a household's income.

Payment, two incomes
25%
Payment, one income
49%

Figures for Yvelines: Les Clayes-sous-Bois 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 fell by 136 while 199 homes were started.

Homes started, 2022
199
Population change, 2022
−136

4.2% of the 7,626 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.

Empty, 2023 census
4.2%
Empty homes
321

In 2025, 97% of the homes authorised were in existing buildings: conversions, extensions and changes of use.

Homes in existing buildings, 2025
97%