Real estate prices Sannois
In Sannois, apartments sell at a median €3,246 per square metre, with 278 sales in twelve months.
The Sannois market is read here from the DGFiP record of actual sales, not from asking prices. Apartments carry the local market with 168 sales over twelve months, against 110 houses. Over the last twelve months the median moved by -4.5 %.
Market dynamics, Sannois
What the sales show in Sannois
The median apartment price in Sannois stands at €3,246 per square metre. Houses come out at €4,258.
Half of apartment sales in Sannois fall between €2,508 and €3,924 per square metre.
The average apartment sold in Sannois covers 60 square metres, putting a typical transaction near €195,458. That is an order of magnitude drawn from averages, not the valuation of any particular property.
Prices by property type in Sannois
Prices by property type in Sannois
By property type in Sannois: T3 at €3,069/m², T2 at €3,780/m², T4 at €2,750/m², studio at €3,967/m², T5+ at €2,229/m².
The studio carries the highest price per square metre and the T5+ the lowest, a gap of 78 %. Small units usually cost more per square metre than large ones, because the price of a kitchen and a bathroom is spread over fewer metres.
The house is what changes hands most often here, with 110 sales over twelve months. It is therefore the type with the most reference points, and the one where a price is hardest to argue against.
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Estimate my property in SannoisSelling in Sannois
Pricing in Sannois starts by placing your property inside the €2,508 to €3,924 band rather than on the median alone. The median describes the middle of the market; condition, floor, outdoor space and energy rating decide where in the band you sit.
With 278 sales a year, Sannois absorbs correctly priced properties. An over-ambitious price shows quickly, because buyers have points of comparison.
Briveo values your Sannois property from these same DVF records, free of charge and with no obligation, then supports the sale through to the deed.
Buying in Sannois
Reading the €2,508 to €3,924 band is a buyer’s main tool in Sannois. A property at the bottom is not a bargain and one at the top is not a rip-off: the band measures how different the properties are, not how well they are priced.
Acquisition costs are budgeted on top of the price: around 8 % on an existing property, around 3 % on a new one. These are orders of magnitude; the notary computes the exact amount.
Prices moving down give a buyer room to discuss, provided the argument rests on comparable sales rather than on the trend itself.
How the Sannois market is moving
Over the last twelve months the median moved by -4.5 %. A move of this magnitude stays within what an ordinary year produces.
No five-year reading is available for Sannois: published sales do not go back far enough with enough volume, so the long-term direction cannot be stated here.
Among the towns tracked by BRIVEO in the same department, on the median apartment price, Franconville sits 9 % below and Enghien-les-Bains 54 % above. Those are the gaps a buyer widening their search area actually meets.
Frequently asked questions, real estate Sannois
Q1What is the price per square metre in Sannois?
The median apartment price is €3,246 per square metre, read from sales published in the DGFiP DVF record. Houses come out at €4,258.
Q2Are prices rising or falling in Sannois?
Over the last twelve months the median moved by -4.5 %.
Q3How many properties change hands in Sannois?
278 sales were recorded over twelve months: 168 apartments and 110 houses.
Q4How much does a T3 cost in Sannois?
The median T3 price in Sannois is €3,069 per square metre, over 62 sales in twelve months.
Q5What are the acquisition costs in Sannois?
Around 8 % of the price on an existing property and around 3 % on a new one. They cover transfer duties, the land registry contribution and the notary’s fees, and the notary computes the exact amount.
Q6How much does a typical property cost in Sannois?
The average apartment sold covers 60 square metres, placing a typical transaction near €195,458. Your own property is worth what its condition, location and energy rating make it worth.
Q7How do I get my Sannois property valued?
Briveo produces a free valuation from these same DVF sale records, in about two minutes and with no obligation, then supports the sale through to the deed.
Property prices in the cities tracked by BRIVEO in the same department
Selling in Sannois?
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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 278 sales
- Figures computed on 2 September 2026