Living with outdoor space in the Yvelines
Le Vésinet and its lakes, the Seine banks at Chatou, Versailles and its forests: west of Paris, the Yvelines offer real houses with gardens, sometimes on large plots, with prices that depend above all on the commune and the distance to the station. Properties with a balcony, terrace or garden are at the foot of the page.
In brief
The Yvelines (78) has 259 communes over 2,284 km² and 1,456,365 inhabitants in 2021, according to Wikipedia. The average price of flats is €3,970 per m² at Efficity and €4,001 at PAP in October 2026, against €6,456 in Versailles and €3,724 in Guyancourt according to PAP. All eight properties on this page are houses, three of them in Le Vésinet.
The Yvelines at a glance
The département is very large: it covers 2,284 km², against 245 km² for the Val-de-Marne. Its prefecture is Versailles, and its sub-prefectures are Mantes-la-Jolie, Saint-Germain-en-Laye and Rambouillet. Its highest point is at 201 metres, in the Bois des Garennes, in Lainville-en-Vexin.
Wikipedia names the Château de Versailles, the Rambouillet forest (about 20,000 hectares), the forests of Saint-Germain-en-Laye, Marly and Versailles, the Haute Vallée de Chevreuse regional nature park (21,300 hectares) and part of the Vexin français regional nature park. The Seine draws, among others, the loops of Saint-Germain-en-Laye and Moisson.
The communes on this page range from the Seine loop close to Paris to the new town of Saint-Quentin-en-Yvelines and the Montfort-l'Amaury plain.
Parks, gardens and views
Le Vésinet is a park town. It was designed by the Pallu et Cie company, from a plan by the Comte de Choulot, in the spirit of garden cities, on the former Vésinet forest. Wikipedia counts about 40,000 trees, 478 of them listed as remarkable in the 2014 local urban plan, five lakes linked by streams, and nearly a hundred villas in the inventory of artistic monuments and riches. The public green spaces, lakes, streams, lawns and green corridors, have been protected since 1983, and the commune has been a remarkable heritage site since 2018.
Chatou lies on the Seine. The Île des Impressionnistes, attached to the commune, holds an exhibition centre and the Parc des Impressionnistes, created in the late 1970s. The Avenue verte Paris-Londres and the Chemin des Impressionnistes follow the old towpath. The Maison Fournaise, a restaurant frequented by the Impressionists, has housed a museum since 1992.
In Versailles, the château park occupies the west of the commune, and the commune has 350 hectares of forest out of 2,618 hectares. The Potager du Roi is in the Saint-Louis quarter. In Guyancourt, the La Minière ponds are four bodies of water, and the Parc des Sources de la Bièvre is next to the Parc quarter. In Villiers-Saint-Frédéric, the Bois de Villiers covers about 40 hectares, shared with two neighbouring communes.
In a house, the outdoor space is the plot: its area, orientation, slope and what borders it. A view of a lake or the forest stated in a listing should be checked at the viewing, allowing for the season. A large plot also needs upkeep, and a stated surface can include outbuildings: ask for the plan and the detail.
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Towns worth knowing
Four groups of towns give an idea of the département. The prices quoted come from PAP (DVF and PAP, 1 October 2026, unless stated otherwise) and from Efficity, for each whole commune, all districts together.
Le Vésinet
Le Vésinet is the commune on this page with the most properties for sale: three houses. PAP gives €8,466 per m² for houses and €5,478 for flats, with +1.8% over one year for all property types. Efficity gives €7,160 for houses, from €5,180 to €9,400, with +0.3%, and €5,550 for flats, from €4,460 to €6,660, with +1.8%.
The commune has 15,712 inhabitants in 2022. Two RER A stations serve it, Le Vésinet-Centre and Le Vésinet-Le Pecq. Its history explains its rules: the 1858 deed of covenants banned industrial activity, and the heritage site protection comes on top of the local urban plan. Wikipedia also states that the commune is in a state of shortfall under the SRU law, with 12.2% social housing in 2021, and that building permits there are issued by the prefect.
Chatou
Chatou is at €4,720 per m² at PAP for flats and €7,028 for houses, with 0.0% over one year for all property types. Efficity gives €4,840 for flats, from €3,650 to €6,360, with +4.5%, and €5,700 for houses, from €4,400 to €7,360, with −3.4%.
The commune has 30,054 inhabitants in 2022. The Chatou-Croissy station, on RER A, is about 11 minutes from La Défense and 15 minutes from the Étoile according to Wikipedia. The Parc de Chatou housing estate dates from 1913.
Versailles and Saint-Germain-en-Laye
Versailles is the most expensive commune on the page: PAP gives €6,456 per m² for flats and €9,128 for houses, with −2.1% over one year for all property types, and Efficity €6,490 for flats, from €4,750 to €8,130, with +1.8%, and €7,280 for houses. The commune covers 2,618 hectares and has eight quarters: Notre-Dame, Saint-Louis, des Chantiers, Montreuil, Porchefontaine, Clagny-Glatigny, Bernard-de-Jussieu and Satory.
RER C serves it at Versailles-Château-Rive-Gauche and Porchefontaine. Transilien line L stops at Versailles-Rive-Droite and Montreuil, and the Chantiers station is served by line U towards La Défense. Saint-Germain-en-Laye, at €6,423 for flats and €7,077 for houses at PAP, is the second most expensive commune in PAP's département table.
Guyancourt and Villiers-Saint-Frédéric
Guyancourt, in the new town of Saint-Quentin-en-Yvelines created in 1972, is at €3,724 at PAP in September 2026 for flats and €4,232 for houses. Efficity gives €3,700 for flats, from €3,180 to €4,380, with +2.9%, and €3,990 for houses. The commune has 29,758 inhabitants in 2022. The nearest station is Saint-Quentin-en-Yvelines-Montigny-le-Bretonneux, and the Renault Technocentre is near the planned site of a future line 18 station.
Villiers-Saint-Frédéric, on the eastern edge of the Montfort-l'Amaury plain, is at €3,777 for flats and €3,937 for houses at PAP, with +5.4% over one year. The commune has 3,231 inhabitants in 2022. The Villiers-Neauphle-Pontchartrain station is on the Saint-Cyr-Surdon line, which has crossed the commune since 1864.
Transport and daily life
RER lines A, B and C, Transilien lines (L, U) and trams T6, at Viroflay, and T13, at Les Portes de Saint-Cyr, serve the département, according to Wikipedia. The communes on this page are not all the same distance from Paris: Le Vésinet and Chatou are on RER A, Versailles on RER C and the Transilien, Guyancourt and Villiers-Saint-Frédéric further out. Allow for the walk to the station before viewing, and for the car in the most distant communes.
How prices vary
In the Yvelines, the gaps are wide: PAP's département table, which lists thirty communes, runs from €2,409 to €6,456 per m² for flats, and the département is at €4,001. Versailles is 61% above that average, Le Vésinet 37% and Chatou 18%, while Guyancourt is 7% below.
Houses follow a different pattern: PAP gives €3,743 per m² for the département, but €9,128 in Versailles, €8,466 in Le Vésinet and €7,028 in Chatou, between 1.9 and 2.4 times as much in those three communes. In the Yvelines, the département average describes the communes close to Paris poorly.
Price benchmarks per m²
| Source or town | PAP, flats | Efficity, flats | Period |
|---|---|---|---|
| Yvelines, département | €4,001 (houses: €3,743) | €3,970 (€2,460 to €6,600); houses: €3,340 | October 2026 |
| Versailles | €6,456 | €6,490 (€4,750 to €8,130) | October 2026 |
| Saint-Germain-en-Laye | €6,423 | not collected | October 2026 |
| Le Vésinet | €5,478 | €5,550 (€4,460 to €6,660) | October 2026 |
| Chatou | €4,720 | €4,840 (€3,650 to €6,360) | October 2026 |
| Villiers-Saint-Frédéric | €3,777 | not collected | October 2026 |
| Guyancourt | €3,724 | €3,700 (€3,180 to €4,380) | PAP: September 2026; Efficity: October 2026 |
PAP gives DVF and PAP averages at 1 October 2026, unless stated otherwise. These are averages across all floors and conditions, with no distinction for outdoor space, and "not collected" marks a page we could not read. An estimate is not a recorded sale price.
Buying in the Yvelines
The département mixes old villas, town houses, detached houses, recent residences and large estates. Before buying a house, check the plot, the easements and the local urban plan rules. In Le Vésinet, the protection of the heritage site and of remarkable trees can frame works, the felling of a tree and the alteration of a façade: ask at the town hall before planning an extension. For a flat with outdoor space, read the co-ownership rules, the minutes of the last three general meetings and the maintenance logbook. Include notary fees in the budget too.
Selling in the Yvelines
Comparables vary a great deal from one commune to another, and from one district to another within the same commune. Your buyer has seen them, and will ask why your price sits above the average. A garden, a terrace or a view must be shown in photos and measured: for a large plot, a boundary survey and the plot area are worth more than an unexplained figure. The form at the foot of the page lets you request an estimate.
Questions about buying and selling in the Yvelines
What notary fees should I expect in the Yvelines?
On an existing property, about 7 to 8% of the price, most of it transfer duties. On €800,000, that is around €56,000 to €64,000, on top of the price. The percentage is the same in every commune of the département.
Does the surface of a house have to be measured before buying?
The Carrez law does not apply to detached houses: the stated surface is not guaranteed in the same way as that of a flat in a co-ownership. Ask for the plan, the detail of the rooms and outbuildings, and have it measured if the difference matters to you. For a flat in a co-ownership, the Carrez surface appears in the listing and in the preliminary contract.
How long does it take to buy or sell in the Yvelines?
Allow two to three months in general between an accepted offer and signing at the notary: cooling-off period, buyer's loan, file documents, the town's pre-emption right. Finding the buyer or the property comes before that period.
Is my property in the Yvelines subject to capital gains tax?
Not if it is your main home: it is exempt. For a second home or a let property, the gain is taxed at 19% plus social charges, with allowances depending on how long you have owned it. The income tax exemption is total after 22 years, and the social charges exemption after 30 years.
Frequently asked questions about the Yvelines
What is the price per m² of a flat in the Yvelines?
PAP gives €4,001 per m² at 1 October 2026 and Efficity €3,970. A 60 m² flat therefore comes to between €238,200 and €240,060, but the average hides a gap of €2,409 to €6,456 between communes in PAP's table.
What is the price of a house in Le Vésinet?
PAP gives €8,466 per m² and Efficity €7,160, in a range of €5,180 to €9,400. A 150 m² house therefore comes to about €1,074,000 to €1,270,000 at the average price. Large estates are negotiated on plot, condition and address, and fall outside these averages.
What is the price of a house in Chatou?
PAP gives €7,028 per m² and Efficity €5,700, in a range of €4,400 to €7,360. A 150 m² house therefore comes to about €855,000 to €1,054,200. The two sources differ by more than €1,300 per m²: compare with sales in the same street.
What is the price of a flat in Versailles?
PAP gives €6,456 per m² and Efficity €6,490, in a range of €4,750 to €8,130. For 100 m², that comes to about €645,600 to €649,000. Houses are at €9,128 at PAP and €7,280 at Efficity.
What is the price of a flat in Saint-Germain-en-Laye?
PAP gives €6,423 per m² for flats and €7,077 for houses. For 100 m², a flat therefore comes to about €642,300. Efficity could not be read for this commune.
What is the price of a flat in Guyancourt or Villiers-Saint-Frédéric?
PAP gives €3,724 per m² in Guyancourt (September 2026) and €3,777 in Villiers-Saint-Frédéric, Efficity €3,700 in Guyancourt. For 100 m², that comes to between €370,000 and €372,400 in Guyancourt and about €377,700 in Villiers-Saint-Frédéric.
Which is the cheapest commune on the page?
Guyancourt, at €3,724 per m² for flats at PAP in September 2026, ahead of Villiers-Saint-Frédéric at €3,777. In PAP's département table, communes such as Mantes-la-Jolie fall to €2,409.
Are prices rising or falling in the Yvelines?
Sources disagree on the size of the move. PAP gives +0.5% over one year for the département and Efficity +0.8% for existing flats, while houses fall 2.3% at Efficity. Communes behave differently: PAP shows −2.1% in Versailles and +5.4% in Villiers-Saint-Frédéric, for all property types.
Does a balcony or terrace raise the price?
The published averages do not distinguish outdoor space. Floor, condition, fittings and address count as much as the balcony or terrace. It is better to compare neighbouring properties on the same floor than to rely on an average.
What kinds of outdoor space are there in the Yvelines?
Mostly house gardens, sometimes very large, but also balconies and terraces in apartment buildings and town-centre residences. Houses are common there, especially in Le Vésinet, Chatou and Villiers-Saint-Frédéric.
What are house prices in the Yvelines?
PAP gives €3,743 per m² for the département and Efficity €3,340, with very wide gaps: PAP shows €9,128 in Versailles, €8,466 in Le Vésinet and €7,028 in Chatou. The figures rest on few sales in several communes.
Which parks, lakes and forests are there in the Yvelines?
The Rambouillet forest, the forests of Saint-Germain-en-Laye, Marly and Versailles, the Château de Versailles park, the lakes of Le Vésinet, the Île des Impressionnistes in Chatou, the La Minière ponds in Guyancourt and the Bois de Villiers in Villiers-Saint-Frédéric.
Which lines serve the Yvelines?
RER lines A, B and C, Transilien lines such as L and U, tram T6 at Viroflay and tram T13 at Les Portes de Saint-Cyr. For a specific address, allow for the walk to the station before viewing.
How long does it take to get from Chatou to Paris?
According to Wikipedia, the Chatou-Croissy station on RER A is about 11 minutes from La Défense and 15 minutes from the Étoile. The full journey depends on your destination and on the walking distance between the station and the property.
In "80 m² with a 15 m² terrace", is the terrace included?
No. The Carrez law does not count the terrace. A listing gives the living surface, plus the outdoor space. The per-m² prices on this page divide the price by the living surface alone.
What should I check on a garden or terrace in a co-ownership?
The co-ownership rules should say whether the space is private or a common part whose lot has exclusive use. For a ground-floor garden, also check who maintains it and what the deed allows to be built on it.
Who pays for waterproofing work on a terrace?
It is written in the co-ownership rules and in the minutes of the last three general meetings, which show the work voted or planned. Covering a terrace requires a double-majority vote and may need planning permission.
Can a foreign buyer buy in the Yvelines?
Yes. French law sets no nationality restriction on buying property. Local support remains useful for financing and tax, especially for non-residents.
Which De Ferla agencies cover the Yvelines?
The network's eight agencies are in Paris, none in the Yvelines. For a property in the Yvelines, the simplest route is the form on this page: the De Ferla team calls you back. The Paris agencies are presented on deferla.com and luxury-real-estate-paris.com.
How do I see the properties with outdoor space for sale in the Yvelines?
They are listed in the table at the foot of this page, with a link to each property's page. Fill in the form below the table: the De Ferla team calls you back to arrange a viewing. The agency numbers, 01 83 79 10 70 and 01 53 90 49 00, are also at the foot of the page.
Properties with outdoor space for sale in the Yvelines
On 13 October 2026, 8 properties with declared or described outdoor space were for sale in this area, from €495,000 to €19,900,000: all houses. Each row links to the property's page, and the form is below the table.
| Ref. | Type | Town | Rooms | Surface | Outdoor space | Floor | Asking price | Page |
|---|---|---|---|---|---|---|---|---|
| 86669288 | House | Guyancourt | 7 | 150 m² | Garden | Ground floor | €495,000 | View page |
| 85816259 | House | Villiers-Saint-Frédéric | 6 | 306 m² | Garden + Terrace | not stated | €898,000 | View page |
| 86852854 | House | Chatou | 6 | 130 m² | Mentioned in listing | not stated | €975,000 | View page |
| 87414217 | House | Chatou | 9 | 220 m² | Mentioned in listing | not stated | €1,145,000 | View page |
| 87056613 | House | Versailles | not stated | 262 m² | Garden + Terrace | not stated | €1,950,000 | View page |
| 86926039 | House | Le Vésinet | 14 | 570 m² | Mentioned in listing | not stated | €5,500,000 | View page |
| 85957501 | House | Le Vésinet | 12 | 780 m² | Mentioned in listing | not stated | €5,675,000 | View page |
| 85820197 | House | Le Vésinet | 18 | 826 m² | Mentioned in listing | not stated | €19,900,000 | View page |
All prices are asking prices, agency fees paid by the buyer. The full list shows every listing in the area.
Updated: 14 October 2026. Sources: Wikipédia, Yvelines, Wikipédia, Le Vésinet, Wikipédia, Chatou, Wikipédia, Versailles, Wikipédia, Guyancourt, Wikipédia, Villiers-Saint-Frédéric, PAP, Efficity, De Ferla network listings.
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