Property prices in Guyancourt (78280): median 3 675 €/m² (flats)
Median price per m² in Guyancourt, Yvelines, calculated from sales actually recorded (official DVF data, DGFiP / Etalab) — and not from listings.
Houses — 2025 median
4 059 €/m²
+11,5 % since 2014
Flats — 2025 median
3 675 €/m²
-1,5 % since 2014
Price per m² trend (2014–2025)
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Past judicial auction sales in Guyancourt (78280)
4 adjudications recorded from 2013 to 2026; median hammer price €178,500.
| Hearing | Property | Starting price | Sold for |
|---|---|---|---|
| Jul 1, 2026 | Dix parkings — en sous-sol, numérotés de 21 à 30 Occupation à vérifier lors des visites | 15,000 € | 55,000 € |
| Jun 19, 2024 | Une maison — de 104,43 m², comprenant : Au rez-de-chaussée : cuisine, séjour, wc, débarras Au 1er étage… | 258,500 € | 306,000 € |
| Feb 7, 2024 | Une maison — élevée sur deux niveaux, la jouissance privative d'une terrasse, jardin et aire de station… | 150,000 € | 235,000 € |
| Dec 11, 2013 | Un appartement de type F3 — - Un emplacement de parking - Une cave Occupé | — | 122,000 € |
Source: public adjudication results (Licitor). The 20 most recent sales are listed; starting prices are completed progressively.
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Year-by-year data — 78280
| Year | Houses (€/m²) | Sales | Flats (€/m²) | Sales |
|---|---|---|---|---|
| 2014 | 3 639 € | 57 | 3 731 € | 199 |
| 2015 | 3 720 € | 44 | 3 617 € | 236 |
| 2016 | 3 455 € | 105 | 3 431 € | 189 |
| 2017 | 3 752 € | 90 | 3 555 € | 233 |
| 2018 | 3 959 € | 72 | 3 623 € | 223 |
| 2019 | 4 043 € | 82 | 3 631 € | 222 |
| 2020 | 4 200 € | 80 | 3 813 € | 176 |
| 2021 | 4 219 € | 79 | 4 092 € | 322 |
| 2022 | 4 235 € | 91 | 4 046 € | 261 |
| 2023 | 4 266 € | 45 | 4 000 € | 171 |
| 2024 | 4 167 € | 41 | 3 685 € | 108 |
| 2025 | 4 059 € | 62 | 3 675 € | 135 |
* fewer than 5 recorded sales: indicative median. Source: Demandes de valeurs foncières (DVF), DGFiP / Etalab — Licence Ouverte 2.0. Median prices per m², excluding land and outbuildings.
Neighbouring towns — Yvelines
The closest postcodes, with their median house price.