Real estate prices in Grigny in 2026

In October 2026, the average price of real estate in Grigny was 1,529 euros per square meter for all properties combined. This figure includes both apartments and houses, which have different average prices.

Apartment and house price trends

Over the past year, apartment prices in Grigny decreased by 0.23 percent, while house prices dropped more sharply, by 2.80 percent. The average price for an apartment is 1,438 euros per square meter, compared to 2,257 euros per square meter for a house.

Example of property costs

A 70 square meter apartment in Grigny would cost approximately 100,660 euros, while a house of 89 square meters would cost around 200,873 euros. These figures do not include acquisition costs or other additional expenses.

Short and long-term price changes

Apartment prices in Grigny increased by 0.45 percent over one month and 1.27 percent over three months. Over five years, apartment prices rose by 0.13 percent, while house prices fell by 10.19 percent over the same period.

Loan rates and insurance

For financing simulations, an annual interest rate of 3.54 percent is used for a 20-year loan and 3.61 percent for a 25-year loan. Insurance is estimated at 0.30 percent per year. These rates are used to calculate borrowing capacity and monthly payments.

Rental costs in Grigny

The average monthly rent for an apartment in Grigny is 15.5 euros per square meter, and for a house, it is 18.6 euros per square meter. A 70 square meter apartment would cost around 1,084 euros per month, while a house of 89 square meters would cost approximately 1,304 euros per month, excluding additional charges.

Purchasing power and income

Based on an annual median income of 20,231 euros, the maximum effort rate for a loan is 35 percent of income, including insurance. This allows for a theoretical borrowing capacity of 97,206 euros over 20 years, which corresponds to about 68 square meters for an apartment.

Rental budget and size

A budget of one-third of the monthly income, which is approximately 562 euros per month, would allow for a theoretical apartment size of about 36 square meters at the average communal rent in Grigny.

Regional price differences

The La Plaine Basse sector in Grigny has the highest average property price at 2,553 euros per square meter, while the Grigny II.T2-Square Surcouf area has the lowest at 1,197 euros per square meter. These differences reflect the varying economic and geographic characteristics of the area.

Population and housing composition

Grigny has a population of 27,257 people. Only 11.3 percent of housing units are houses, and 32.1 percent of residents are owner-occupiers. Second homes make up a small 0.3 percent of the housing stock.

Transport and education

Transport and accessibility in Grigny can be analyzed using the Île-de-France Mobilités calculator. The area has several maternal and elementary schools, as well as high schools, according to the Data.gouv / National Education database.

Summary of key figures

In October 2026, the average price for apartments in Grigny was 1,438 euros per square meter, and for houses, 2,257 euros per square meter. Apartment prices fell by 0.23 percent over the past year, while house prices dropped by 2.80 percent. The actual purchasing capacity depends on income, loan terms, and the type of housing sought.