Price of a 4-room apartment (T4) in Grande-Synthe
In Grande-Synthe, the median price of a T4 is €1,081/sq.m, i.e. about €92,966 for an average area of 86 sq.m. Data from actual DVF transactions by the DGFiP (7 sales over the 12 months ending 31 December 2025).
Price range (T4)
What DVF sales say about the price of a T4 in Grande-Synthe
Compared with the neighbouring towns tracked by Briveo where this property type is measured, Marcq-en-Barœul comes out at €3,138/sq.m, about 190% above. This property type takes about 5% of local activity, 7 of the 131 apartment and house sales counted over twelve months. Grande-Synthe measures 4 property types, and the T4 comes 4th on price per sq.m, 3rd on sales volume over 12 months. The average area of the T4 sold, 86 sq.m, is about 6% larger than that of the apartments sold in the town, 81 sq.m. The median price, €1,081/sq.m, falls in the lower third of the town's apartment price range, from the 1st to the 3rd quartile.
Observed sale prices of a T4 in Grande-Synthe
Of the sales of a T4 à Grande-Synthe, half closed between 78,250 € and 109,438 €, for a median price of 97,450 €.
Half of the T4 sold measure between 79 and 94 sq.m.
Three years of sales
| Year | Sales | Median per sq.m |
|---|---|---|
| 2023 | 5 | €1,175/sq.m |
| 2024 | 8 | €1,043/sq.m |
| 2025 | 7 | €1,082/sq.m |
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 7 sales
- Figures computed on 30 October 2026
The town
Grande-Synthe covers 21.4 km², lies between 0 and 17 m above sea level and had 20,239 inhabitants in the 2023 census.
Grande-Synthe (in West Flemish and Dutch, Groot-Sinten) is a French commune situated in the département of Nord, in the région of Hauts-de-France. With its 20,239 inhabitants, Grande-Synthe is the principal town on the outskirts of Dunkerque, part of whose port it also hosts.
The full property page of the town
From Wikidata and the Wikipedia article « Grande-Synthe », licensed CC BY-SA 4.0, read on 13 October 2026. Translated from the French article. Read the article
Other property types in Grande-Synthe
Price of a T4 in nearby cities
Cities tracked by BRIVEO in the same department, median for the same property type when available.
Frequently asked questions, T4 in Grande-Synthe
Q1What is the price of a T4 in Grande-Synthe in 2026?
In Grande-Synthe, the median price of a T4 is €1,081/sq.m, with a range of €1,004 to €1,192/sq.m (1st to 3rd quartile), based on DVF sales published by the DGFiP.
Q2What budget for a T4 of 86 sq.m in Grande-Synthe?
For the average observed area (86 sq.m), the indicative budget goes from about €86,344 (1st quartile) to €102,512 (3rd quartile), around €92,966 at the median price. Indicative calculation, DVF price per sq.m multiplied by the area, excluding notary fees.
Q3How does the price of a T4 compare with apartments in Grande-Synthe?
The median price of a T4 in Grande-Synthe is about 12% below the city's apartment median (€1,235/sq.m), based on DVF sales published by the DGFiP.
Q4How many T4 sales in Grande-Synthe?
The DGFiP DVF database records 7 sales of this type in Grande-Synthe over the last 12 months.