Price of a 5-room apartment and larger (T5+) in Guyancourt
In Guyancourt, the median price of a T5+ is €3,186/sq.m, i.e. about €324,972 for an average area of 102 sq.m. Data from actual DVF transactions by the DGFiP (15 sales over the 12 months ending 31 December 2025).
Price range (T5+)
What DVF sales say about the price of a T5+ in Guyancourt
This property type takes about 8% of local activity, 15 of the 197 apartment and house sales counted over twelve months. Of the 6 property types measured in Guyancourt, the T5+ ranks 6th by price per sq.m and 5th by number of sales over 12 months. The average area of the T5+ sold, 102 sq.m, is about 53% larger than that of the apartments sold in the town, 67 sq.m. At €3,186/sq.m, the median price is out of the town's apartment range, below its 1st quartile. Compared with the neighbouring towns tracked by Briveo where this property type is measured, Versailles comes out at €6,522/sq.m, about 105% above, and Sartrouville at €2,788/sq.m, about 12% below. Across all the town's apartments, whatever their number of rooms, the median price per sq.m has moved -0.3% over one year, based on DVF sales published by the DGFiP.
Observed sale prices of a T5+ in Guyancourt
Of the sales of a T5+ à Guyancourt, half closed between 269,793 € and 371,750 €, for a median price of 317,175 €.
Half of the T5+ sold measure between 94 and 106 sq.m.
Three years of sales
| Year | Sales | Median per sq.m |
|---|---|---|
| 2023 | 19 | €3,201/sq.m |
| 2024 | 8 | €2,804/sq.m |
| 2025 | 15 | €3,325/sq.m |
Between 2023 and 2025, the median price per sq.m of a T5+ went from 3,201 € to 3,325 €, +3.9 %.
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 15 sales
- Figures computed on 31 October 2026
The town
Guyancourt covers 13 km², lies between 110 and 167 m above sea level and had 29,778 inhabitants in the 2023 census.
Guyancourt (pronounced [gɥi.jɑ̃.kuʁ]) is a French commune situated in the département of Yvelines in the Île-de-France region, 20 km south-west of Paris. It forms part of the communauté d'agglomération de Saint-Quentin-en-Yvelines. The site of the commune was already inhabited in the Neolithic period, according to remains such as arrows, flint scrapers and polished axes, found at Bouviers, Troux and Villaroy.
The full property page of the town
From Wikidata and the Wikipedia article « Guyancourt », licensed CC BY-SA 4.0, read on 13 October 2026. Translated from the French article. Read the article
Other property types in Guyancourt
Price of a T5+ in nearby cities
Cities tracked by BRIVEO in the same department, median for the same property type when available.
Frequently asked questions, T5+ in Guyancourt
Q1What is the price of a T5+ in Guyancourt in 2026?
In Guyancourt, the median price of a T5+ is €3,186/sq.m, with a range of €2,869 to €3,443/sq.m (1st to 3rd quartile), based on DVF sales published by the DGFiP.
Q2What budget for a T5+ of 102 sq.m in Guyancourt?
For the average observed area (102 sq.m), the indicative budget goes from about €292,638 (1st quartile) to €351,186 (3rd quartile), around €324,972 at the median price. Indicative calculation, DVF price per sq.m multiplied by the area, excluding notary fees.
Q3How does the price of a T5+ compare with apartments in Guyancourt?
The median price of a T5+ in Guyancourt is about 16% below the city's apartment median (€3,809/sq.m), based on DVF sales published by the DGFiP.
Q4How many T5+ sales in Guyancourt?
The DGFiP DVF database records 15 sales of this type in Guyancourt over the last 12 months.