Property prices in Guyancourt (78280)
In Guyancourt, officially recorded property sales over the last twelve months - 196 in total - set the median price at €3,675/m² for a flat and €4,193/m² for a house. These figures come from public DVF data, the same data used by notaries and professionals.
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Over one year, prices per m² rose by +0.7% in Guyancourt.
What rent in Guyancourt?
ANIL estimates, based on data from Groupe SeLoger and leboncoin (2025 edition). Advertised rents including charges.
Frequently asked questions - Guyancourt
What is the price per m² of a flat in Guyancourt in 2026?
The median price of a flat in Guyancourt is €3,675/m², based on sales recorded in the DVF database over the last twelve months of published data. Depending on condition, floor and fittings, the actual value of a property may differ significantly from this median.
What is the price per m² of a house in Guyancourt?
Houses sell for a median of €4,193/m² in Guyancourt. Plot size, overall condition and precise location cause this price to vary considerably.
What rent for a flat in Guyancourt?
The average advertised rent observed is about €19/m² including charges (ANIL 2025 estimates, based on data from Groupe SeLoger and leboncoin). For a 45 m² one-bedroom flat, this represents a rent of around €1,014 per month.
How can I get an accurate valuation of my property in Guyancourt?
Use our free online estimator: it compares your property with actual sales in your neighbourhood and gives you an instant range. For a precise appraisal, a visit remains essential - your local advisor will call you back free of charge.
Property prices in the department (78)
Indicative estimate based on public DVF/ANIL data; it is not a formal appraisal. A visit is required for an accurate price.