Price of a 4-room apartment (T4) in Château-Thierry
In Château-Thierry, the median price of a T4 is €1,630/sq.m, i.e. about €136,920 for an average area of 84 sq.m. Data from actual DVF transactions by the DGFiP (15 sales over the 12 months ending 31 December 2025).
Price range (T4)
What DVF sales say about the price of a T4 in Château-Thierry
The average area of the T4 sold, 84 sq.m, is about 41% larger than that of the apartments sold in the town, 59 sq.m. At €1,630/sq.m, the median price lands in the middle third of the town's apartment range, 1st to 3rd quartile. The 15 T4 sales recorded over 12 months weigh about 9% of the 172 apartment and house sales in the town. Of the 6 property types measured in Château-Thierry, the T4 ranks 5th by price per sq.m and 5th by number of sales over 12 months. Compared with the neighbouring towns tracked by Briveo where this property type is measured, Chauny at €916/sq.m, about 44% below. Across all the town's apartments, whatever their number of rooms, the median price per sq.m has moved +12.3% over one year, based on DVF sales published by the DGFiP.
Observed sale prices of a T4 in Château-Thierry
Of the sales of a T4 à Château-Thierry, half closed between 99,500 € and 184,088 €, for a median price of 135,000 €.
Half of the T4 sold measure between 74 and 90 sq.m.
Three years of sales
| Year | Sales | Median per sq.m |
|---|---|---|
| 2023 | 7 | €1,607/sq.m |
| 2024 | 8 | €1,600/sq.m |
| 2025 | 15 | €1,769/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 15 sales
- Figures computed on 30 October 2026
The town
Château-Thierry covers 16.6 km², lies between 59 and 222 m above sea level and had 15,097 inhabitants in the 2023 census.
Château-Thierry is a French commune situated in the département of Aisne, in the historic region of Picardie, and the administrative region of Hauts-de-France. Château-Thierry is the birthplace of Jean de La Fontaine and is situated in the region of the battles of the Marne. Château-Thierry is one of the 64 French towns to have received the Légion d'honneur.
The full property page of the town
From Wikidata and the Wikipedia article « Château-Thierry », licensed CC BY-SA 4.0, read on 13 October 2026. Translated from the French article. Read the article
Other property types in Château-Thierry
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 Château-Thierry
Q1What is the price of a T4 in Château-Thierry in 2026?
In Château-Thierry, the median price of a T4 is €1,630/sq.m, with a range of €1,285 to €2,063/sq.m (1st to 3rd quartile), based on DVF sales published by the DGFiP.
Q2What budget for a T4 of 84 sq.m in Château-Thierry?
For the average observed area (84 sq.m), the indicative budget goes from about €107,940 (1st quartile) to €173,292 (3rd quartile), around €136,920 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 Château-Thierry?
The median price of a T4 in Château-Thierry is about 2% below the city's apartment median (€1,666/sq.m), based on DVF sales published by the DGFiP.
Q4How many T4 sales in Château-Thierry?
The DGFiP DVF database records 15 sales of this type in Château-Thierry over the last 12 months.