Property in Gaillon-sur-Montcient, the published sales
Gaillon-sur-Montcient is a municipality of the Yvelines département (78), in the Île-de-France region.
The sales published by the French tax administration (DVF) record 21 housing sales there between 1 January 2023 and 31 December 2025. Enough to read each sale and to observe a median over the sales shown, not enough for the twelve-month index of the full pages, which needs 25 sales over twelve months.
The table lists the 18 most recent sales, newest first, with the dwelling's surface and the price per square metre when the surface is known. The street is given without the number.
The published sales in Gaillon-sur-Montcient
| Date | Type | Surface | Rooms | Price | Price per sq m | Street |
|---|---|---|---|---|---|---|
| 16 December 2025 | House | 92 sq m | 3 | €174,000 | €1,891 per sq m | PL DE LA MAIRIE |
| 8 December 2025 | House | 100 sq m | 4 | €276,360 | €2,764 per sq m | GRANDE RUE |
| 21 October 2025 | House | 82 sq m | 5 | €285,000 | €3,476 per sq m | RUE DU FOUR AUX PRETRES |
| 20 October 2025 | House | 133 sq m | 6 | €335,000 | €2,519 per sq m | GR GRANDE RUE |
| 15 September 2025 | House | 86 sq m | 6 | €130,000 | €1,512 per sq m | RUE DU FOUR AUX PRETRES |
| 10 September 2025 | House | 122 sq m | 7 | €343,600 | €2,816 per sq m | RUE DES BOUTS DE LA VILLE |
| 25 June 2025 | House | 120 sq m | 5 | €330,000 | €2,750 per sq m | RUE DU FOUR AUX PRETRES |
| 29 April 2025 | House | 93 sq m | 4 | €250,000 | €2,688 per sq m | GR GRANDE RUE |
| 6 November 2024 | House | 83 sq m | 4 | €260,000 | €3,133 per sq m | RUE DE LA DOUAYE |
| 1 October 2024 | House | 92 sq m | 4 | €261,000 | €2,837 per sq m | RUE DU CLOS D ARCUEIL |
| 2 July 2024 | House | 54 sq m | 2 | €138,000 | €2,556 per sq m | GR GRANDE RUE |
| 17 June 2024 | House | 165 sq m | 7 | €465,550 | €2,822 per sq m | GR GRANDE RUE |
| 17 May 2024 | Flat | 40 sq m | 1 | €88,000 | €2,200 per sq m | RUE DE LA DOUAYE |
| 15 March 2024 | House | 100 sq m | 5 | €276,000 | €2,760 per sq m | RUE DES BOUTS DE LA VILLE |
| 6 March 2024 | House | 48 sq m | 3 | €161,500 | €3,365 per sq m | RUE DU FOUR AUX PRETRES |
| 14 April 2023 | Flat | 57 sq m | 2 | €143,000 | €2,509 per sq m | RUE DE LA DOUAYE |
| 14 March 2023 | Flat | 39 sq m | 2 | €115,000 | €2,949 per sq m | RUE DE LA DOUAYE |
| 3 January 2023 | Flat | 42 sq m | 2 | €141,000 | €3,357 per sq m | RUE DE LA DOUAYE |
What these sales show
Over the 14 published sales of houses above, the median price is €2,762 per square metre, half of the sales falling between €2,589 and €2,833.
The 4 published sales of flats range from €2,200 to €3,357 per square metre, for surfaces of 39 to 57 sq m.
The 14 published sales of houses range from €1,512 to €3,476 per square metre, for surfaces of 48 to 165 sq m.
Property prices in the nearby towns tracked by Briveo
Selling in Gaillon-sur-Montcient?
Briveo values your property on the sales of the area, publishes the listing and shows it, with an electronic mandate and fees due at the deed.
Are you an estate agent in Gaillon-sur-Montcient?
Briveo recruits independent sales agents in every municipality, in transactions only, under the principal's professional licence, with the pay and the monthly cost stated before signing. The sales published above are the market you know.
Start with BriveoFrequently asked questions
- What is a square metre worth in Gaillon-sur-Montcient?
- Over the 14 published sales of houses above, the median is €2,762 per square metre. The municipality counts fewer than 25 housing sales over twelve months, so Briveo does not turn it into a market index and shows the sales themselves, with the nearby towns above the threshold.
- How do I value a property in Gaillon-sur-Montcient?
- By reading the published sales of the municipality and of the nearby towns, at comparable surface and type, then asking Briveo for a valuation, which reads the sales of the area and visits the property.
- How much is a house worth in Gaillon-sur-Montcient?
- Over the 14 published sales of houses above, the median is €2,762 per square metre, half of them between €2,589 and €2,833. A given property sits above or below, by its surface, its condition and its plot, and that is what the valuation settles.
- How do I sell a property in Gaillon-sur-Montcient with Briveo?
- Briveo values the property on the sales of the area, publishes the listing and shows the property, under an electronic mandate signed online. The fees are due at the deed.
- Where do these sales come from?
- From the Demandes de valeurs foncières file of the French tax administration, published as open data, one line per sale, covering 1 January 2023 to 31 December 2025. Sales without a known built surface have no price per square metre.
Source and method
Sales published by the French tax administration (DVF), one line per transaction, dwellings only, one dwelling per sale, block sales set aside, price per square metre computed on the built surface of the transaction. Coverage from 1 January 2023 to 31 December 2025.