Property prices in Guyancourt
The average price per square metre of built property in Guyancourt (Département 78) is 4,065 €/m² – median from 287 actual sales (DVF 2023–2024).
Price trend
From 2023 to 2024 property prices have fallen by 8% (4,219 €/m² → 3,874 €/m²).
About property prices in Guyancourt
The values shown are based on 287 documented property sales in Guyancourt and the surrounding area. The median is more robust than an average because individual outliers do not distort it. For a parcel-level estimate, use the interactive map.
Frequently asked questions
How much does property cost per m² in Guyancourt?
The average price per square metre of built property in Guyancourt is 4,065 €/m² (median from 287 sales, DVF 2023–2024). The middle 50% of sales were between 3,424 €/m² and 4,571 €/m².
How have property prices in Guyancourt developed?
From 2023 to 2024 property prices have fallen by 8% (4,219 €/m² → 3,874 €/m²).
How much does building land cost in Guyancourt?
Too little reliable data on pure land/building-plot sales in Guyancourt.
Is this an official land reference value?
No. It is the median of actual sale prices (market price) – not an official land reference value.
Property prices nearby
- Voisins-le-Bretonneux 4,921 €/m² · 1.9 km
- Saint-Cyr-l'École 5,242 €/m² · 3.4 km
- Montigny-le-Bretonneux 4,469 €/m² · 2.3 km
- Fontenay-le-Fleury 4,185 €/m² · 4.5 km
- Châteaufort 4,817 €/m² · 4.6 km
- Magny-les-Hameaux 3,722 €/m² · 5.4 km
- Bois-d'Arcy 4,194 €/m² · 4.7 km
- Toussus-le-Noble 5,195 €/m² · 4.7 km
Data source: DVF (Demandes de Valeurs Foncières), DGFiP / Etalab – Licence Ouverte 2.0. Median of actual sale prices, not an official land reference value.