Price of a 3-room apartment (T3) in Grande-Synthe
In Grande-Synthe, the median price of a T3 is €1,714/sq.m, i.e. about €118,266 for an average area of 69 sq.m. Data from actual DVF transactions by the DGFiP (12 sales over the 12 months ending 31 December 2025).
Price range (T3)
What DVF sales say about the price of a T3 in Grande-Synthe
Grande-Synthe measures 4 property types, and the T3 comes 1st on price per sq.m, 2nd on sales volume over 12 months. Out of 131 apartment and house sales in the town over 12 months, 12 concern this property type, about 9%. The median price, €1,714/sq.m, sits above the town's apartment price range, from the 1st to the 3rd quartile. Apartments sold in the town average 81 sq.m, against 69 sq.m for the T3, about 15% less. Among the neighbouring towns tracked by Briveo that measure the same property type, Marcq-en-Barœul comes out at €3,534/sq.m, about 106% above, and Douai at €1,523/sq.m, about 11% below.
Observed sale prices of a T3 in Grande-Synthe
Of the sales of a T3 à Grande-Synthe, half closed between 90,400 € and 131,914 €, for a median price of 115,000 €.
Half of the T3 sold measure between 63 and 75 sq.m.
Three years of sales
| Year | Sales | Median per sq.m |
|---|---|---|
| 2023 | 6 | €1,683/sq.m |
| 2024 | 4 | €1,048/sq.m |
| 2025 | 12 | €1,871/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 12 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 T3 in nearby cities
Cities tracked by BRIVEO in the same department, median for the same property type when available.
Frequently asked questions, T3 in Grande-Synthe
Q1What is the price of a T3 in Grande-Synthe in 2026?
In Grande-Synthe, the median price of a T3 is €1,714/sq.m, with a range of €1,266 to €1,887/sq.m (1st to 3rd quartile), based on DVF sales published by the DGFiP.
Q2What budget for a T3 of 69 sq.m in Grande-Synthe?
For the average observed area (69 sq.m), the indicative budget goes from about €87,354 (1st quartile) to €130,203 (3rd quartile), around €118,266 at the median price. Indicative calculation, DVF price per sq.m multiplied by the area, excluding notary fees.
Q3How does the price of a T3 compare with apartments in Grande-Synthe?
The median price of a T3 in Grande-Synthe is about 39% above the city's apartment median (€1,235/sq.m), based on DVF sales published by the DGFiP.
Q4How many T3 sales in Grande-Synthe?
The DGFiP DVF database records 12 sales of this type in Grande-Synthe over the last 12 months.