Price of a 3-room apartment (T3) in Sannois
In Sannois, the median price of a T3 is €3,069/sq.m, i.e. about €193,347 for an average area of 63 sq.m. Data from actual DVF transactions by the DGFiP (62 sales over the 12 months ending 31 December 2025).
Price range (T3)
What DVF sales say about the price of a T3 in Sannois
On price per sq.m the T3 holds position 4th among the 6 property types Sannois measures, and position 2nd on twelve-month volume. The 62 T3 sales recorded over 12 months weigh about 22% of the 278 apartment and house sales in the town. Half the town's apartment sales sit between its 1st and 3rd quartiles, and at €3,069/sq.m this median lands in the middle third of that span. Among the neighbouring towns tracked by Briveo that measure the same property type, Montmorency comes out at €3,760/sq.m, about 23% above, and Sarcelles at €2,055/sq.m, about 33% below. For all of the town's apartments, whatever their number of rooms, DVF sales published by the DGFiP show the median price per sq.m moving -4.5% over one year.
Observed sale prices of a T3 in Sannois
Of the sales of a T3 à Sannois, half closed between 160,500 € and 235,000 €, for a median price of 199,500 €.
Half of the T3 sold measure between 60 and 68 sq.m.
Three years of sales
| Year | Sales | Median per sq.m |
|---|---|---|
| 2023 | 63 | €3,028/sq.m |
| 2024 | 47 | €3,115/sq.m |
| 2025 | 62 | €3,124/sq.m |
Between 2023 and 2025, the median price per sq.m of a T3 went from 3,028 € to 3,124 €, +3.2 %.
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 62 sales
- Figures computed on 30 October 2026
The town
Sannois covers 4.8 km², lies between 42 and 169 m above sea level and had 26,924 inhabitants in the 2023 census.
Sannois is a French commune in the Val-d'Oise department, in the Île-de-France region. Its inhabitants are known as the Sannoisien(ne)s.
The full property page of the town
From Wikidata and the Wikipedia article « Sannois », licensed CC BY-SA 4.0, read on 13 October 2026. Translated from the French article. Read the article
Other property types in Sannois
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 Sannois
Q1What is the price of a T3 in Sannois in 2026?
In Sannois, the median price of a T3 is €3,069/sq.m, with a range of €2,500 to €3,711/sq.m (1st to 3rd quartile), based on DVF sales published by the DGFiP.
Q2What budget for a T3 of 63 sq.m in Sannois?
For the average observed area (63 sq.m), the indicative budget goes from about €157,500 (1st quartile) to €233,793 (3rd quartile), around €193,347 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 Sannois?
The median price of a T3 in Sannois is about 5% below the city's apartment median (€3,246/sq.m), based on DVF sales published by the DGFiP.
Q4How many T3 sales in Sannois?
The DGFiP DVF database records 62 sales of this type in Sannois over the last 12 months.