What is a square metre worth in Boissy-sans-Avoir?

Over the 16 published sales of houses above, the median is €3,617 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 Boissy-sans-Avoir?

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 Boissy-sans-Avoir?

Over the 16 published sales of houses above, the median is €3,617 per square metre, half of them between €3,353 and €4,179. 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 Boissy-sans-Avoir 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.

Property in Boissy-sans-Avoir, the published sales

Boissy-sans-Avoir is a municipality of the Yvelines département (78), in the Île-de-France region.

The sales published by the French tax administration (DVF) record 20 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 16 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 Boissy-sans-Avoir

Housing sales published in Boissy-sans-Avoir
Date	Type	Surface	Rooms	Price	Price per sq m	Street
28 August 2025	House	63 sq m	3	€250,000	€3,968 per sq m	ALL DU CLOS PESANT
10 July 2025	House	95 sq m	4	€423,000	€4,453 per sq m	RUE DU LIEUTEL
20 March 2025	House	82 sq m	5	€300,000	€3,659 per sq m	ALL DU CLOS PESANT
20 March 2025	House	80 sq m	3	€342,000	€4,275 per sq m	RUE DE LA MAIRIE
18 March 2025	House	190 sq m	6	€468,000	€2,463 per sq m	RUE DU LIEUTEL
3 February 2025	House	80 sq m	4	€275,000	€3,438 per sq m	RUE DES LIERRES
4 October 2024	House	98 sq m	4	€326,800	€3,335 per sq m	RUE MONTBUZY
27 September 2024	House	100 sq m	6	€329,000	€3,290 per sq m	ALL DU CLOS PESANT
24 September 2024	House	140 sq m	5	€625,000	€4,464 per sq m	RLE DU PARC
3 May 2024	House	97 sq m	4	€402,300	€4,147 per sq m	RUE DE LA MAIRIE
6 July 2023	House	220 sq m	6	€639,300	€2,906 per sq m	RUE DE LA MAIRIE
30 June 2023	House	160 sq m	5	€572,000	€3,575 per sq m	RUE DES LIERRES
20 June 2023	House	53 sq m	3	€200,000	€3,774 per sq m	RUE DES MOULINS
30 May 2023	House	110 sq m	5	€371,000	€3,373 per sq m	RUE DES MOULINS
20 January 2023	House	128 sq m	5	€430,000	€3,359 per sq m	RUE MONTBUZY
16 January 2023	House	58 sq m	2	€366,950	€6,327 per sq m	RUE DES LIERRES

What these sales show

Over the 16 published sales of houses above, the median price is €3,617 per square metre, half of the sales falling between €3,353 and €4,179.

The 16 published sales of houses range from €2,463 to €6,327 per square metre, for surfaces of 53 to 220 sq m.

Property prices in the nearby towns tracked by Briveo

Selling in Boissy-sans-Avoir?

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.

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Are you an estate agent in Boissy-sans-Avoir?

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.

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Frequently asked questions

What is a square metre worth in Boissy-sans-Avoir?: Over the 16 published sales of houses above, the median is €3,617 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 Boissy-sans-Avoir?: 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 Boissy-sans-Avoir?: Over the 16 published sales of houses above, the median is €3,617 per square metre, half of them between €3,353 and €4,179. 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 Boissy-sans-Avoir 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.

Property prices in Yvelines