Price of a 4-room apartment (T4) in L'Isle-Adam
In L'Isle-Adam, the median price of a T4 is €3,423/sq.m, i.e. about €277,263 for an average area of 81 sq.m. Data from actual DVF transactions by the DGFiP (24 sales over 12 months).
Price range (T4)
What DVF sales say about the price of a T4 in L'Isle-Adam
On price per sq.m the T4 holds position 5th among the 6 property types L'Isle-Adam measures, and position 4th on twelve-month volume. The 24 T4 sales recorded over 12 months weigh about 13% of the 178 apartment and house sales in the town. The median price, €3,423/sq.m, falls in the lower third of the town's apartment price range, from the 1st to the 3rd quartile. Apartments sold in the town average 57 sq.m, against 81 sq.m for the T4, about 41% more. Among the neighbouring towns tracked by Briveo that measure the same property type, Montmorency comes out at €3,625/sq.m, about 6% above, and Sarcelles at €1,875/sq.m, about 45% below. Across all property types, DVF sales published by the DGFiP put the town's median price +9% over one year.
Indicative budget for a T4 of 81 sq.m
Indicative calculation: DVF price per sq.m multiplied by the average observed area, excluding notary fees.
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 24 sales
- Figures computed on 2 September 2026
Other property types in L'Isle-Adam
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 L'Isle-Adam
Q1What is the price of a T4 in L'Isle-Adam in 2026?
In L'Isle-Adam, the median price of a T4 is €3,423/sq.m, with a range of €3,088 to €5,352/sq.m (1st to 3rd quartile), based on DVF sales published by the DGFiP.
Q2What budget for a T4 of 81 sq.m in L'Isle-Adam?
For the average observed area (81 sq.m), the indicative budget goes from about €250,128 (1st quartile) to €433,512 (3rd quartile), around €277,263 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 L'Isle-Adam?
The median price of a T4 in L'Isle-Adam is about 20% below the city's apartment median (€4,259/sq.m), based on DVF sales published by the DGFiP.
Q4How many T4 sales in L'Isle-Adam?
The DGFiP DVF database records 24 sales of this type in L'Isle-Adam over the last 12 months.