Real estate prices Ermont
In Ermont, apartments sell at a median €3,663 per square metre, with 278 sales in twelve months.
The Ermont market is read here from the DGFiP record of actual sales, not from asking prices. Apartments carry the local market with 150 sales over twelve months, against 128 houses. Over the last twelve months the median moved by -1.8 %.
Market dynamics, Ermont
What the sales show in Ermont
The median apartment price in Ermont stands at €3,663 per square metre. Houses come out at €4,407.
Half of apartment sales in Ermont fall between €3,079 and €4,426 per square metre. That gap owes more to condition than to opposing neighbourhoods: this market does not split into starkly different price zones.
The average apartment sold in Ermont covers 63 square metres, putting a typical transaction near €228,906. That is an order of magnitude drawn from averages, not the valuation of any particular property.
Prices by property type in Ermont
Prices by property type in Ermont
By property type in Ermont: T3 at €3,505/m², T2 at €4,239/m², T4 at €3,281/m², studio at €4,500/m², T5+ at €3,111/m².
The studio carries the highest price per square metre and the T5+ the lowest, a gap of 45 %. 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 128 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 ErmontSelling in Ermont
Pricing in Ermont starts by placing your property inside the €3,079 to €4,426 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, Ermont absorbs correctly priced properties. An over-ambitious price shows quickly, because buyers have points of comparison.
Briveo values your Ermont property from these same DVF records, free of charge and with no obligation, then supports the sale through to the deed.
Buying in Ermont
Reading the €3,079 to €4,426 band is a buyer’s main tool in Ermont. 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 Ermont market is moving
Over the last twelve months the median moved by -1.8 %. A move of this magnitude stays within what an ordinary year produces.
No five-year reading is available for Ermont: 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 19 % below and Enghien-les-Bains 37 % above. Those are the gaps a buyer widening their search area actually meets.
Frequently asked questions, real estate Ermont
Q1What is the price per square metre in Ermont?
The median apartment price is €3,663 per square metre, read from sales published in the DGFiP DVF record. Houses come out at €4,407.
Q2Are prices rising or falling in Ermont?
Over the last twelve months the median moved by -1.8 %.
Q3How many properties change hands in Ermont?
278 sales were recorded over twelve months: 150 apartments and 128 houses.
Q4How much does a T3 cost in Ermont?
The median T3 price in Ermont is €3,505 per square metre, over 58 sales in twelve months.
Q5What are the acquisition costs in Ermont?
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 Ermont?
The average apartment sold covers 63 square metres, placing a typical transaction near €228,906. Your own property is worth what its condition, location and energy rating make it worth.
Q7How do I get my Ermont 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 Ermont?
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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