Price of a 5-room apartment and larger (T5+) in L'Isle-Adam
In L'Isle-Adam, the median price of a T5+ is €3,249/sq.m, i.e. about €315,153 for an average area of 97 sq.m. Data from actual DVF transactions by the DGFiP (5 sales over the 12 months ending 31 December 2025).
Price range (T5+)
What DVF sales say about the price of a T5+ in L'Isle-Adam
Among the neighbouring towns tracked by Briveo that measure the same property type, Sarcelles at €1,707/sq.m, about 47% below. L'Isle-Adam measures 6 property types, and the T5+ comes 6th on price per sq.m, 6th on sales volume over 12 months. This property type takes about 3% of local activity, 5 of the 178 apartment and house sales counted over twelve months. The median price, €3,249/sq.m, sits below the town's apartment price range, from the 1st to the 3rd quartile. Apartments sold in the town average 57 sq.m, against 97 sq.m for the T5+, about 69% more. 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 +9% over one year.
Observed sale prices of a T5+ in L'Isle-Adam
Of the sales of a T5+ à L'Isle-Adam, half closed between 253,000 € and 381,350 €, for a median price of 302,000 €.
Half of the T5+ sold measure between 92 and 95 sq.m.
Three years of sales
| Year | Sales | Median per sq.m |
|---|---|---|
| 2023 | 3 | €4,196/sq.m |
| 2024 | 4 | €3,564/sq.m |
| 2025 | 5 | €2,734/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 5 sales
- Figures computed on 30 October 2026
The town
L'Isle-Adam covers 14.9 km², lies between 23 and 113 m above sea level and had 12,493 inhabitants in the 2023 census.
L'Isle-Adam is a town in the Île-de-France region, in the north-centre of Val-d'Oise, situated on the left bank of the Oise, twenty-five kilometres as the crow flies north-north-west of the gates of Paris, around ten to the north-east of Pontoise, and thirty-five to the south of Beauvais. It forms, together with Parmain, the neighbouring commune on the right bank of the Oise, a small urban area of approximately 16,000 inhabitants. Its residents are known as the Adamois.
The full property page of the town
From Wikidata and the Wikipedia article « L'Isle-Adam », licensed CC BY-SA 4.0, read on 13 October 2026. Translated from the French article. Read the article
Other property types in L'Isle-Adam
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 L'Isle-Adam
Q1What is the price of a T5+ in L'Isle-Adam in 2026?
In L'Isle-Adam, the median price of a T5+ is €3,249/sq.m, with a range of €2,691 to €4,065/sq.m (1st to 3rd quartile), based on DVF sales published by the DGFiP.
Q2What budget for a T5+ of 97 sq.m in L'Isle-Adam?
For the average observed area (97 sq.m), the indicative budget goes from about €261,027 (1st quartile) to €394,305 (3rd quartile), around €315,153 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 L'Isle-Adam?
The median price of a T5+ in L'Isle-Adam is about 24% below the city's apartment median (€4,259/sq.m), based on DVF sales published by the DGFiP.
Q4How many T5+ sales in L'Isle-Adam?
The DGFiP DVF database records 5 sales of this type in L'Isle-Adam over the last 12 months.