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Lagny-sur-Marne, 77400

Price of a 4-room apartment (T4) in Lagny-sur-Marne

In Lagny-sur-Marne, the median price of a T4 is €3,354/sq.m, i.e. about €281,736 for an average area of 84 sq.m. Data from actual DVF transactions by the DGFiP (29 sales over the 12 months ending 31 December 2025).

Price range (T4)

Entry (1st quartile)
€2,802/sq.m
Median
€3,354/sq.m
High (3rd quartile)
€3,884/sq.m

What DVF sales say about the price of a T4 in Lagny-sur-Marne

Among the neighbouring towns tracked by Briveo that measure the same property type, Fontainebleau comes out at €4,441/sq.m, about 32% above, and Melun at €2,195/sq.m, about 35% below. The median price, €3,354/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 56 sq.m, against 84 sq.m for the T4, about 50% more. On price per sq.m the T4 holds position 5th among the 6 property types Lagny-sur-Marne measures, and position 4th on twelve-month volume. Out of 275 apartment and house sales in the town over 12 months, 29 concern this property type, about 11%. 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 +3.2% over one year.

Observed sale prices of a T4 in Lagny-sur-Marne

Of the sales of a T4 à Lagny-sur-Marne, half closed between 233,835 € and 334,608 €, for a median price of 280,000 €.

Entry (1st quartile)
€233,835
Median
€280,000
High (3rd quartile)
€334,608

Half of the T4 sold measure between 78 and 91 sq.m.

Three years of sales

YearSalesMedian per sq.m
202319€3,354/sq.m
202429€3,225/sq.m
202529€3,423/sq.m

Between 2023 and 2025, the median price per sq.m of a T4 went from 3,354 € to 3,423 €, +2.1 %.

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 29 sales
  • Figures computed on 29 October 2026

The town

Lagny-sur-Marne covers 5.7 km², lies between 37 and 112 m above sea level and had 21,461 inhabitants in the 2023 census.

Lagny-sur-Marne, formerly Lagny, is a French commune situated in the département of Seine-et-Marne in the Île-de-France region and forms part of the Parisian conurbation.

The full property page of the town

From Wikidata and the Wikipedia article « Lagny-sur-Marne », licensed CC BY-SA 4.0, read on 13 October 2026. Translated from the French article. Read the article

Other property types in Lagny-sur-Marne

Property typeMedian price / sq.mCentral range, middle half of salesAverage surfaceSales, 12 months ending 31 December 2025
Studio€4,324€3,781 – €4,83428 m²26
T2€3,981€3,500 – €4,42743 m²64
T3€3,745€3,000 – €4,20566 m²46
T5+€2,734€2,207 – €3,464113 m²7
House€3,827€3,006 – €4,640101 m²103

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 Lagny-sur-Marne

Q1What is the price of a T4 in Lagny-sur-Marne in 2026?

In Lagny-sur-Marne, the median price of a T4 is €3,354/sq.m, with a range of €2,802 to €3,884/sq.m (1st to 3rd quartile), based on DVF sales published by the DGFiP.

Q2What budget for a T4 of 84 sq.m in Lagny-sur-Marne?

For the average observed area (84 sq.m), the indicative budget goes from about €235,368 (1st quartile) to €326,256 (3rd quartile), around €281,736 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 Lagny-sur-Marne?

The median price of a T4 in Lagny-sur-Marne is about 13% below the city's apartment median (€3,871/sq.m), based on DVF sales published by the DGFiP.

Q4How many T4 sales in Lagny-sur-Marne?

The DGFiP DVF database records 29 sales of this type in Lagny-sur-Marne over the last 12 months.