Real estate prices Groslay
In Groslay, houses sell at a median €3,810 per square metre, with 88 sales in twelve months.
The Groslay market is read here from the DGFiP record of actual sales, not from asking prices. Houses carry the local market with 47 sales over twelve months, against 41 apartments. Over the last twelve months the median moved by -2.9 %.
Market dynamics, Groslay
What the sales show in Groslay
The median house price in Groslay stands at €3,810 per square metre. Apartments come out at €2,978.
The average house sold in Groslay covers 103 square metres, putting a typical transaction near €391,276. That is an order of magnitude drawn from averages, not the valuation of any particular property.
Prices by property type in Groslay
Prices by property type in Groslay
By property type in Groslay: T3 at €2,848/m², T2 at €3,605/m², studio at €3,526/m², T4 at €2,858/m².
The T2 carries the highest price per square metre and the T3 the lowest, a gap of 27 %. Small units usually cost more per square metre than large ones, because the price of a kitchen and a bathroom is spread over fewer metres.
The house is what changes hands most often here, with 47 sales over twelve months. It is therefore the type with the most reference points, and the one where a price is hardest to argue against.
Homes for sale in Groslay on BRIVEO
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Estimate my property in GroslaySelling in Groslay
Pricing in Groslay starts from the median of €3,810 per square metre, then adjusts for what makes your property differ from the average one sold here.
With 88 sales a year, Groslay is regular without being deep. Positioning matters more here than in a dense market, because a buyer who steps back is not immediately replaced.
Briveo values your Groslay property from these same DVF records, free of charge and with no obligation, then supports the sale through to the deed.
Buying in Groslay
Acquisition costs are budgeted on top of the price: around 8 % on an existing property, around 3 % on a new one. These are orders of magnitude; the notary computes the exact amount.
Prices moving down give a buyer room to discuss, provided the argument rests on comparable sales rather than on the trend itself.
How the Groslay market is moving
Over the last twelve months the median moved by -2.9 %. A move of this magnitude stays within what an ordinary year produces.
No five-year reading is available for Groslay: published sales do not go back far enough with enough volume, so the long-term direction cannot be stated here.
Among the towns tracked by BRIVEO in the same department, on the median apartment price, Franconville sits 1 % below and Bezons 30 % above. Those are the gaps a buyer widening their search area actually meets.
Frequently asked questions, real estate Groslay
Q1What is the price per square metre in Groslay?
The median house price is €3,810 per square metre, read from sales published in the DGFiP DVF record. Apartments come out at €2,978.
Q2Are prices rising or falling in Groslay?
Over the last twelve months the median moved by -2.9 %.
Q3How many properties change hands in Groslay?
88 sales were recorded over twelve months: 41 apartments and 47 houses.
Q4How much does a T3 cost in Groslay?
The median T3 price in Groslay is €2,848 per square metre, over 18 sales in twelve months.
Q5What are the acquisition costs in Groslay?
Around 8 % of the price on an existing property and around 3 % on a new one. They cover transfer duties, the land registry contribution and the notary’s fees, and the notary computes the exact amount.
Q6How much does a typical property cost in Groslay?
The average house sold covers 103 square metres, placing a typical transaction near €391,276. Your own property is worth what its condition, location and energy rating make it worth.
Q7How do I get my Groslay property valued?
Briveo produces a free valuation from these same DVF sale records, in about two minutes and with no obligation, then supports the sale through to the deed.
Property prices in the cities tracked by BRIVEO in the same department
Selling in Groslay?
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Source and method
- Property transfer records (DVF), published by the French tax authority (DGFiP)
- Sales recorded from 1 January 2023 to 31 December 2025
- Based on 88 sales
- Figures computed on 2 September 2026