Property in Oncy-sur-École, the published sales
Oncy-sur-École is a municipality of the Essonne département (91), in the Île-de-France region.
The sales published by the French tax administration (DVF) record 39 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 25 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 town
Oncy-sur-École covers 5.4 km², lies between 62 and 132 m above sea level and had 1,042 inhabitants in the 2023 census.
Oncy-sur-École (prononcé [ɔ̃si syʁ ekɔl]) est une commune française située à cinquante-quatre kilomètres au sud-est de Paris dans le département de l'Essonne en région Île-de-France. Ses habitants sont appelés les Oncéens.
The full property page of the town
From Wikidata and the Wikipedia article « Oncy-sur-École », licensed CC BY-SA 4.0, read on 30 October 2026. Read the article
The published sales in Oncy-sur-École
| Date | Type | Surface | Rooms | Price | Price per sq m | Street |
|---|---|---|---|---|---|---|
| 17 October 2025 | House | 89 sq m | 5 | €115,000 | €1,292 per sq m | RES DU CLOS DE LA RUE BLANCHE |
| 10 September 2025 | House | 49 sq m | 3 | €90,000 | €1,837 per sq m | RUE DU GENERAL DE GAULLE |
| 29 August 2025 | House | 90 sq m | 4 | €412,350 | €4,582 per sq m | GR GRANDE RUE |
| 18 July 2025 | House | 79 sq m | 4 | €235,000 | €2,975 per sq m | LE VAU MARIN |
| 22 October 2024 | House | 102 sq m | 4 | €212,000 | €2,078 per sq m | GR GRANDE RUE |
| 3 October 2024 | House | 83 sq m | 6 | €307,700 | €3,707 per sq m | RES DU CLOS DE LA RUE BLANCHE |
| 29 July 2024 | House | 110 sq m | 5 | €270,000 | €2,455 per sq m | GR GRANDE RUE |
| 19 July 2024 | House | 96 sq m | 5 | €311,700 | €3,247 per sq m | CHE DE SAINT PIERRE |
| 26 June 2024 | House | 80 sq m | 3 | €195,000 | €2,438 per sq m | GR GRANDE RUE |
| 14 June 2024 | Flat | 56 sq m | 4 | €185,000 | €3,304 per sq m | RUE DU MARECHAL FOCH |
| 19 February 2024 | Flat | 63 sq m | 4 | €175,000 | €2,778 per sq m | HAMEAU DU CLOSEAU |
| 7 February 2024 | Flat | 72 sq m | 4 | €196,000 | €2,722 per sq m | HAMEAU DU CLOSEAU |
| 27 November 2023 | House | 108 sq m | 6 | €235,000 | €2,176 per sq m | GR GRANDE RUE |
| 30 October 2023 | Flat | 69 sq m | 4 | €160,000 | €2,319 per sq m | HAMEAU DU CLOSEAU |
| 18 October 2023 | Flat | 29 sq m | 2 | €99,000 | €3,414 per sq m | HAMEAU DU CLOSEAU |
| 28 September 2023 | House | 109 sq m | 4 | €385,000 | €3,532 per sq m | RES DU CHEMIN DU MONT GRIPPON |
| 14 September 2023 | Flat | 26 sq m | 2 | €105,000 | €4,038 per sq m | HAMEAU DU CLOSEAU |
| 30 August 2023 | House | 96 sq m | 4 | €149,000 | €1,552 per sq m | CHE DE SAINT PIERRE |
| 20 July 2023 | House | 160 sq m | 5 | €430,000 | €2,688 per sq m | CHE DES RESISTANTS |
| 13 July 2023 | House | 121 sq m | 5 | €373,000 | €3,083 per sq m | RES DU CHEMIN DU MONT GRIPPON |
| 10 May 2023 | House | 149 sq m | 5 | €550,000 | €3,691 per sq m | RES DU CLOS DE LA RUE BLANCHE |
| 3 March 2023 | House | 85 sq m | 4 | €250,000 | €2,941 per sq m | GR GRANDE RUE |
| 27 February 2023 | House | 48 sq m | 2 | €216,000 | €4,500 per sq m | CHE DE SAINT PIERRE |
| 20 February 2023 | House | 48 sq m | 2 | €170,000 | €3,542 per sq m | GR GRANDE RUE |
| 17 February 2023 | House | 48 sq m | 2 | €115,000 | €2,396 per sq m | GR GRANDE RUE |
What these sales show
Over the 19 published sales of houses above, the median price is €2,941 per square metre, half of the sales falling between €2,286 and €3,537.
The 6 published sales of flats range from €2,319 to €4,038 per square metre, for surfaces of 26 to 72 sq m.
The 19 published sales of houses range from €1,292 to €4,582 per square metre, for surfaces of 48 to 160 sq m.
Property prices in the nearby towns tracked by Briveo
Selling in Oncy-sur-École?
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 Oncy-sur-École?
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 Oncy-sur-École?
- Over the 19 published sales of houses above, the median is €2,941 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 Oncy-sur-École?
- 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 Oncy-sur-École?
- Over the 19 published sales of houses above, the median is €2,941 per square metre, half of them between €2,286 and €3,537. 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 Oncy-sur-École 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.