luxury houses for sale Buc, France (page 20)

Stunning family home in excellent condition, redesigned by an architect and spanning approximately 300m² (3,230 sq ft) and sheltered by a 1,630m² (17,545 sq ft) garden. Comprising a vast reception space formed of a lounge with a fireplace, a dining room, and a semi-open kitchen, all opening onto a same-level terrace and the garden. Upstairs you will find a master bedroom, another bedroom used as a dressing room, and a third bedroom with a shower room, in addition to a second shower room. The second floor features a large bedroom (can be partitioned), an office space, a large bathroom not yet fitted out, and a separate toilet. A home gym, utility room, wine cellar, machine room and multi-car garage round off the amenities of this home in excellent condition. Barnes contact: +33 (0)6 60 03 78 44 Agency fees payable by vendor - Montant moyen de la quote-part de charges courantes 2,800 € - Les informations sur les risques auxquels ce bien est exposé sont disponibles sur le site Géorisques : www.georisques.gouv.fr

The advertiser did not provide an english description for this listing.

The advertiser did not provide an english description for this listing.

Garches - Stunning property offering a well-maintained 2,400m2 (0.59 acre) garden, and a house with 322m² (3,465 sq ft) of living space (550m² or 5,920 sq ft of floor space) with a basement. The hall leads to a cloakroom, a separate toilet, two living rooms, a dining room, a fitted and equipped eat-in kitchen, and a master suite (walk-in wardrobe, study, bathroom with a shower and a toilet). On the first floor, three bedrooms, two of which have a bath/shower room, and a separate bathroom. Study or playroom. Full basement with space to park up to 3 cars, cellar and boiler room (gas heating). Garden: contract included Availability: Immediate Civil Code leasing only (secondary residence or leasing for companies) Civil Code leasing fees: 10% of annual rent excluding charges + VAT Contact Marta PEREZ-EMBID : +33(0)6.42.07.58.37 Agency fees payable by vendor - Les informations sur les risques auxquels ce bien est exposé sont disponibles sur le site Géorisques : www.georisques.gouv.fr

This architect-designed property dating from 1982 offers about 195 sqm of living space. Set in 1500 sqm of grounds with a garage and a greenhouse, it includes an entry with fitted cupboards, a near 45 sqm living/reception room with a fireplace, a dining area opening onto a kitchen, a study, a utility room, a master suite with a bathroom and dressing room, and a guest wc. The upper floor comprises two spacious bedrooms featuring high ceilings and each with a mezzanine, a bathroom and a wc. An older annex comprises a garage, a wine cellar, and two upstairs rooms with a shower room requiring renovation. In a residental neighbourhood near the shops and schools (EIB, Madeleine Daniélou and Passy Buzenval). Refurbishment is required and extension would be possible. A swimming pool could be installed in the landscaped garden designed by Pascal Cribier.

BARNES Yvelines has the exclusive listing of a quiet 270m² (2,906 sq ft) house laid out over two levels, warmly decorated in 2021, and set on a flat plot in Louveciennes (78430), between Versailles (78000) and Saint-Germain-en-Laye (78100). The house comprises: an entrance hall, a living room with 5m (16ft) ceiling height, magnificent parquet flooring and fireplace, a beautiful veranda with access to the pool terrace, dining room - kitchen, TV lounge - library, five bedrooms from 12m² (129 sq ft) to 31m² (334 sq ft), a bathroom and three shower rooms. (Two of the bedrooms are single level) 9m x 3m (30ft x 10ft) swimming pool (PAC heated) with no overlook. Covered terrace on the kitchen side. The plot is in a prime location, between the train station (550m or 600 yards) and Louveciennes church (bakery 400m or 440 yards away), close to access to the forest. Cellar and boiler room (Gas) - 4 to 5 parking spaces for your cars. (EPC: D). Wooden double glazing. (ABF) Architectes des bâtiments de France zone. Certificate of compliance with rules of connection to the public sewerage network: Compliant (April 2024) Footprint still available. 8-minute walk from Louveciennes station. Quick access to the motorway (A86 - A13), the Château de Versailles and Saint-Germain-en-Laye. 14 minutes from EIB de La Jonchère (78170): École International Bilingue. 11 minutes from Blanche de Castille in Le Chesnay (78150) and the Ecole Anglaise in Croissy (78290). 20 minutes from Daniélou Rueil-Malmaison (92500) and Passy Buzenval. 18 minutes from the Lycée international de Saint-Germain-en-Laye (78100). Fees payable by the buyers 5%: i.e. €2,619,048 net seller and €130,952 incl. VAT agency fees. Your BARNES contact: Alexandre Charlet: +33 (0)6.68.08.88.99 “Information on the risks to which this property is exposed is available on the GeoHazards website: www.georisques.gouv.fr” €2,619,048 Agency fees not included - Agency fees: 5% incl. tax Fees payable by the buyer - Estimated amount of annual energy costs for standard use based on 2021 energy costs: €2,270 ~ €3,120 2,619,048 € Agency fees not included - Agency commission: 5%VAT included Agency fees payable by buyer - Montant estimé des dépenses annuelles d'énergie pour un usage standard, établi à partir des prix de l'énergie de l'année 2021 : 2270€ ~ 3120€

RUEIL-MALMAISON HAMEAU DE LA JONCHERE RARE- This 1982 custom-built house offering a surface area of 200m² (2,153 sq ft) is set on a 2,252m² (24,240 sq ft) flat, wooded plot and benefits from peaceful and bright surroundings. This charming family home, opening entirely onto terraces or the garden on the same level comprises an attractive living room with a fireplace, an indoor pool, and a large office. 4 bedrooms on the first floor and the garden level, each of which has an en suite shower room. Very peaceful setting. Lovely grounds, outbuildings. Quick access to the A86 and A13 motorways. 500m (550 yards) from the Elysée II shopping centre 700m (765 yards): 7-minute walk from EIB in La Jonchère (78170): École International Bilingue. 11 minutes from Daniélou Rueil-Malmaison (92500) and Passy Buzenval 14 minutes from the Lycée international de Saint-Germain-en-Laye (78100) 8 minutes from Blanche de Castille in Le Chesnay (78150) and from the English school in Croissy (78290). Fees of 5% payable by the buyer. Your Barnes contact: Patricia PORQUET: +33 (0)6.61.85.65.93 “Information on the risks to which this property is exposed is available on the GeoHazards website: www.georisques.gouv.fr” 1,705,000 € Agency fees not included - Agency commission: 4.99%VAT included Agency fees payable by buyer - Montant moyen de la quote-part de charges courantes 720 € - Montant estimé des dépenses annuelles d'énergie pour un usage standard, établi à partir des prix de l'énergie de l'année 2021 : 2040€ ~ 2080€

House offering 215m² (2,314 sq ft) of living space built in 1973 on two levels plus basement level. 2,557m² (27,523 sq ft) of building land. Ground floor: entrance hall, large reception room with fireplace and terrace, dining room, kitchen, master suite with office, bedroom and shower room with toilet, laundry room and guest toilet. First floor: landing leading to 4 bedrooms with walk-in wardrobes, bathroom with toilet, shower room and separate toilet. Full basement: 2 large cellars, workshop, storeroom and garage for 3 to 4 vehicles. Garden planted with trees around the house, terrace, pond. Very bright and quiet house in a verdant haven. Shops and schools a 3-minute drive away. Bus stop to train station, Lycée International, Saint-Germain-en-Laye and Versailles. Station a 5-minute drive away. Parly 2, Versailles and St-Germain-en- Laye a 10-minute drive away. Fees payable by the buyer, i.e. €1,081,430 net seller and 4% agency fees, i.e. €43,270 incl. VAT BARNES contact: Emmanuelle Anger +33 (0)6 62 58 85 55. “Information on the risks to which this property is exposed is available on the GeoHazards website: www.georisques.gouv.fr” 1,081,730 € Agency fees not included - Agency commission: 4%VAT included Agency fees payable by buyer - Montant estimé des dépenses annuelles d'énergie pour un usage standard, établi à partir des prix de l'énergie de l'année 2021 : 4149€ ~ 5616€ - Les informations sur les risques auxquels ce bien est exposé sont disponibles sur le site Géorisques : www.georisques.gouv.fr - Emmanuelle ANGER - Agent commercial - EI - RSAC 792 000 689

Timber-frame contemporary ecological custom-built house, designed to be open to nature, in superb green surroundings. Very pleasant living environment. Total surface area of 176m² (1,894 sq ft) over two levels. Built in 2014 on a 730m² (7,858 sq ft) plot planted with trees. The house faces south, with large windows to enjoy the sun's rays in winter, and is based on a mixed timber-frame construction method for the walls and cross-laminated timber (CLT) for the floors. This high-quality, ecological building is very energy efficient (low consumption meeting RT 2012 standards). Ground floor: entrance hall leading to a large living room featuring a double-sized reception room and kitchen extended by a terrace. The master space includes a bedroom and a bathroom with bath & shower. Toilet. Laundry room. Garage and exterior parking space. Garden level: corridor leading to 3 bedrooms with access to the garden and terrace, walk-in wardrobe, shower room and toilet. This level has independent access to the garden. High-end materials, comfort, brightness, triple glazing, double-flow ventilation, HOBEN wood pellet stove (7KW) heating with additional electric radiators in each bedroom, heated towel rails in bathrooms, thermodynamic water heater, natural wood cladding. Energy rating: A. Shops and schools a 10-minute walk away, train station a 3-minute walk away. Forest nearby. School bus service to the Lycée International. Bus to Saint-Germain-en-Laye. Fees at 3.5% payable by the buyers (€1,157,487 net seller and €40,513 fees). BARNES contact: Emmanuelle Anger +33 (0)6 62 58 85 55. €1,157,487 agency fees not included - Agency fees: 3.5% TTC Fees payable by the sellers - Estimated amount of annual energy costs for standard use based on 2024 energy costs: €510 ~ €750 - Emmanuelle ANGER - Sales agent - EI - RSAC 792 000 689 1,157,487 € Agency fees not included - Agency commission: 3.5%VAT included Agency fees payable by buyer - Montant estimé des dépenses annuelles d'énergie pour un usage standard, établi à partir des prix de l'énergie de l'année 2024 : 510€ ~ 750€ - Emmanuelle ANGER - Agent commercial - EI - RSAC 792 000 689

78380 BOUGIVAL - SAINT MICHEL - CHARACTER PROPERTY WITH TERRACE, GARDEN, AND OUTBUILDING - 9 ROOMS - 6 BEDROOMS - 235M2 - RARE. Laurence Charlin invites you to discover a magnificent master house of over 200m² with its converted outbuilding of 34m² built on a plot of 985m². Elegance, charm, and light for this magnificently landscaped garden residence. Completely refurbished with the charm of the old preserved, this residence will seduce you with its superb volumes, its optimized layout, and its particularly well-kept impeccable condition. Distributed over 3 levels, it offers a spacious living space on the ground floor: an entrance with custom storage, a double reception room of nearly 50m² with fireplace, and a small 20m² lounge both opening onto the terrace and garden planted with century-old trees, a fully equipped eat-in kitchen, and guest toilets. Upstairs, a landing leads to two beautiful bedrooms of 25m² and 14m² with plenty of storage space, a bathroom, and separate toilets. The 3rd level includes three bedrooms of 10m², 15m², and 16m² respectively, a bathroom, and separate toilets. The basement, accessible from the garden, includes the boiler room, a wine cellar, and large additional storage spaces. The former stables, fully converted, include a living room with open equipped kitchen and toilets on the ground floor, a pretty bedroom and its shower room upstairs, ready to welcome guests or a student, for example. A true haven of peace, this unique residence located in an exceptional environment offers a privileged living environment and benefits from all amenities with numerous public transportation options, access to schools, and shops. The Bougival train station, a 7-minute walk away, allows you to reach Paris in 30 minutes and La Défense in just 20 minutes (Line L), bus D goes directly to RER A Chatou/Croissy in 15 minutes, quick access to highways A86, A12, and A13. For schools, primary and secondary schools are a 10-minute walk away, private school Sainte-Thérèse a 15-minute walk away, EIB (Bilingual International School) de la Jonchère 8 minutes away, Blanche de Castille in Chesnay and the English School in Croissy 10 minutes away, Lycée International de Saint-Germain-en-Laye 18 minutes away. School transportation is organized. Local shops are a 10-minute walk away. Parly 2 is a 10-minute drive or bus ride away. Possibility to park 3 cars in the courtyard. This is a rare property on the market that will be the ideal living space for a family looking for space, comfort, and tranquility. Energy rating E. Sale price: €1,650,000 including 5% agency fees to be paid by the buyer. Information and visits: Laurence Charlin - 06 88 38 22 85.

Milon la Chapelle, immersed in the Vallée de Chevreuse and in a dominant position out of sight, imposing residence of 462 m2 of living space including 54 m2 of annex, all free of any nuisance, on a 1.7 hectare plot of land with swimming pool and pool house. On the ground floor, 127 m2 of living space with luminous volumes and unobstructed views, distribute a spacious kitchen and its lunch area, a functional dining room and a double living room of 67 m2, partitioned cosi atmosphere around a fire for the short winter evenings and a larger relaxation circle in access to the garden with shaded summer terrace. A bedroom with a shower room with an independent entrance, a scullery, a laundry room and a boiler room complete this level. On the first floor, five bedrooms, one of which is a master with a balcony, two bathrooms, one with a shower, an office, two shower rooms, two dressing rooms. Two workshop and laundry spaces complete this level. An annex of 54 m2 composed of a living room with kitchenette, two bedrooms, shower room. In its extension, a garage for three cars and a workshop. Below the ground, a monumental barbecue under cover animates the festive days around a swimming pool ideally lodged and its pool house equipped with showers. All shops in Voisin le Bretonneux at 4.5 km. Saint Rémy les Chevreuse station for the RER C or Saint Quentin for La Défense or Paris Montparnasse. Dream location, beautiful perfectly maintained set draped in the charm of a preserved nature. Rare case, to see absolutely. Contact Elisabeth Rossines +33(0)6 74 00 90 38 Agent Commercial EI Information on the risks to which this property is exposed is available on the Geohazards website: www.georisques.gouv.fr

RUEIL-MALMAISON HAMEAU DE LA JONCHÈRE PRIVATE ESTATE RARE - This 1982 custom-built house offering a surface area of 180m² (1,938 sq ft) is set on a 1,452m² (15,629 sq ft) flat, wooded plot and benefits from peaceful and bright surroundings. This charming family home, opening entirely onto terraces or the garden on the same level, comprises an attractive living room with a fireplace, an office and an indoor pool. 4 bedrooms on the first floor and garden level, each of which has an en-suite shower room. Very peaceful setting. Lovely grounds. Quick access to the A86 and A13 motorways. 500m (550 yards) from the Elysée II shopping centre 700m (765 yards): 7-minute walk from EIB in La Jonchère (78170): École International Bilingue. 11 minutes from Daniélou Rueil-Malmaison (92500) and Passy Buzenval 14 minutes from the Lycée international de Saint-Germain-en-Laye (78100) 8 minutes from Blanche de Castille in Le Chesnay (78150) and from the English school in Croissy (78290). Fees of 5% payable by the buyer. Your Barnes contact: Patricia PORQUET: +33 (0)6.61.85.65.93 “Information on the risks to which this property is exposed is available on the GeoHazards website: www.georisques.gouv.fr” 1,336,500 € Agency fees not included - Agency commission: 4%VAT included Agency fees payable by buyer - Montant estimé des dépenses annuelles d'énergie pour un usage standard, établi à partir des prix de l'énergie de l'année 2021 : 2040€ ~ 2800€

RUEIL-MALMAISON CLOSE TO DANIELOU. On a quiet street in a prime location. Property offering 259.52m² (2,788 sq ft) of living space and 226.25m² (2,433 sq ft) under the Carrez Law set on a 1,466m² (15,780 sq ft) plot. The main property comprises a beautiful dual-aspect reception room open on an 86m² (926 sq ft) open-plan kitchen on the same level as a vast terrace and a heated swimming pool. The master suite has a double walk-in wardrobe and a shower room. Laundry room also on the ground floor. Upstairs are two bedrooms on the mezzanine level, each of which has a shower room. The property also includes a 30m² (323 sq ft) annex, ideal for use as a workshop or for entertaining family. The peace and quiet, natural light and easy access to renowned establishments (Passy and Daniélou) make this a unique property. Fees payable by the sellers. Your Barnes contact: Patricia PORQUET: +33 (0)6.61.85.65.93 Agency fees payable by vendor - Montant estimé des dépenses annuelles d'énergie pour un usage standard, établi à partir des prix de l'énergie de l'année 2021 : 1640€ ~ 2260€

In Bougival, Napoleon III ‘Mansart’-style 5-bedroom house dating from 1858, with plenty of natural light and a fantastic ceiling height in a quiet setting. House totalling over 230m² (2,476 sq ft) of living space (201m² or 2,164 sq ft for main house and 34m² or 366 sq ft for annex), magnificent east-south-west facing garden, set on a 985m² (10,603 sq ft) plot. Semi-detached house, 650m (710 yards) from the Claude Monet school, close to Bougival train station (7-minute walk), separate annex with 2 rooms: 34m² (366 sq ft) former stable, perfect for a student, an office, a self-employed professional, etc. Magnificent quiet terrace overlooking the garden. Basement level: cellar and boiler room. Ground floor: entrance hall, good-sized 47m² (506 sq ft) living room with fireplace, kitchen communicating with dining room and access to terrace. 1st floor: 2 bedrooms (14m² or 151 sq ft and 25m² or 269 sq ft) and a bathroom. 2nd floor: 3 bedrooms from 10m² or 108 sq ft to 16m² or 172 sq ft and a bathroom. EPC: ‘E’. Quotes available to improve EPC. General periodic inspection sanitation certificate ‘Compliant’. Quick access to the A86, A12 and A13 motorways. 15 minutes by bus from Chatou / Croissy RER A station 8 minutes from EIB in La Jonchère (78170). 10 minutes from Blanche de Castille in Le Chesnay (78150) and the Ecole Anglaise in Croissy (78290). 16 minutes from Daniélou Rueil-Malmaison (92500). 18 minutes from the Lycée international de Saint-Germain-en-Laye (78100). Fees payable by the buyers: i.e. €1,571,429 net seller and €78,571 incl. VAT agency fees (5%). Your BARNES contact, Alexandre Charlet: +33 (0)6.68.08.88.99 “Information on the risks to which this property is exposed is available on the GeoHazards website: www.georisques.gouv.fr” 1,571,429 € Agency fees not included - Agency commission: 5%VAT included Agency fees payable by buyer - Montant estimé des dépenses annuelles d'énergie pour un usage standard, établi à partir des prix de l'énergie de l'année 2021 : 3690€ ~ 5040€

The advertiser did not provide an english description for this listing.

Beautiful family house with a swimming pool, in a quiet location. EIB school within walking distance. Magnificent unobstructed views and over 250m² (2,691 sq ft) of living space (368m² or 3,961 sq ft of floor space) with a stunning garden planted with trees and flowers all year round. Plot of over 2,500m² or 26,910 sq ft (Impressionists' Hill). EPC: D. Sanitation certificate conform. Stunning swimming pool measuring 10m x 5m (33ft x 16ft), depth of 2.40m (7.9ft) (new liner in 2017) with a large terrace. Fully retractable arched motorised pool enclosure (Abrisud, 2017). Roof and insulation in 2021. Near Vaucresson (92420) and Rueil-Malmaison (92500). On the ground floor, the hall leads to a living room with a fireplace with access to the west terrace, a dining room with access to its east terrace, and a fitted and equipped kitchen. Same level: beautiful master suite with a walk-in wardrobe and a bath/shower room. On the 1st floor: 2 bedrooms, a shower room and a bedroom with a bathroom and a walk-in wardrobe. On the garden level, a playroom/office (possible to fit it out as a bedroom with a bathroom). Large laundry room, wine cellar and cellars. Electric gate, double garage and 4 outdoor parking spaces. Outdoor lighting. Sale without any suspensive division, construction or works conditions. Quick access to the A86, A12 and A13 motorways. 300m (328 yards) from EIB in La Jonchère (78170): École Internationale Bilingue. 8 minutes from Blanche de Castille au Chesnay (78150) and the Ecole Anglaise de Croissy (78290). 13 minutes from Daniélou Rueil-Malmaison (92500). 14 minutes from the Lycée international de Saint-Germain-en-Laye (78100). Fees payable by the buyers: i.e. €1,913,462 net seller and €76,538 incl. VAT agency fees. Your BARNES contact, Alexandre Charlet: +33 (0)6.68.08.88.99 “Information on the risks to which this property is exposed is available on the GeoHazards website: www.georisques.gouv.fr” 1,913,462 € Agency fees not included - Agency commission: 4%VAT included Agency fees payable by buyer - Montant estimé des dépenses annuelles d'énergie pour un usage standard, établi à partir des prix de l'énergie de l'année 2021 : 3610€ ~ 4920€

Barnes is listing in Meudon this modern family house with great volumes and comfortable layout. The reception level is features a hall that leads to a double-sized reception room leading on a spacious terrace and heated swimming pool on the same level; a fitted, equipped kitchen. The first floor is composed of a landing leading to two bedrooms, a shower room and a separate toilet. The second floor comprises a landing leading to a master bedroom (possibility to create 2 bedrooms) and a bathroom with toilet. The basement has a laundry area, a storage room, storage under the stairs and a toilet. A large garage rounds off the amenities of this extraordinary property. You will be charmed by the cachet and volumes of this property which is set apart by its rare ‘countryside’ location; it stands in verdant surroundings, on the edge of the Hauts-de-Seine national forest. In a prime location, this house has every asset: close to the forest, Meudon station, several bus lines, shops and schools. Contact Anne Christine Humeau- EI: +33 (0)6 64 38 00 83 Agency fees payable by vendor - Montant moyen de la quote-part de charges courantes 1,920 €/yearly - Montant estimé des dépenses annuelles d'énergie pour un usage standard, établi à partir des prix de l'énergie de l'année 2021 : 1400€ ~ 1950€ - Anne-Christine HUMEAU - Agent commercial - EI - RSAC 899401962

The advertiser did not provide an english description for this listing.

Barnes is listing a contemporary, 152m² (1,636 sq ft) loft-style house with a garden, 2 terraces and a 50m² (538 sq ft) rooftop offering an exceptional view of Paris and its surroundings, a stone's throw from shops and transport services in Meudon. The sleek design of this rare property offers various living spaces and volumes. It comprises a double-sized reception room with a living-dining area, a fitted/equipped eat-in open kitchen leading onto a terrace on the same level, and an exterior staircase leading to a rooftop terrace. This house benefiting from great sunlight, an excellent layout and fantastic ceiling height offers high-quality fittings and great comfort. 4 bedrooms, a bath and shower room and a shower room. The exterior features a terrace, a garden planted with trees and shrubs and a boiler room/workshop. A garage rounds off the amenities of this extraordinary property. A few minutes from Paris, its prime location ensures access to all amenities: shops, cultural centres, sports facilities, parks, forest, schools and public transport services. Contact Anne Christine Humeau E.I. : +33 (0)6 64 38 00 83 Agency fees payable by vendor - Montant moyen de la quote-part de charges courantes 2,640 €/yearly - Montant estimé des dépenses annuelles d'énergie pour un usage standard, établi à partir des prix de l'énergie de l'année 2021 : 2790€ ~ 3830€ - Les informations sur les risques auxquels ce bien est exposé sont disponibles sur le site Géorisques : www.georisques.gouv.fr - Anne-Christine HUMEAU - Agent commercial - EI - RSAC 899401962

Saint Rémy lès Chevreuse, renovated former mill with 624 m2 living space on 3231 m2 of wooded grounds, including 529 m2 of outbuildings. Zen atmosphere for this charming residence, nestled in a nature area free from any nuisance. The 19th-century part of the mill has been renovated to a very high standard, both in terms of the technical choices made and the quality of the fixtures and fittings. The living rooms, with their curved openings, have access to private garden terraces. The surface areas developed by the various mezzanine lounges give the ground-floor living spaces, such as the reception room and dining room, a feeling of volume anchored in light. The 1st floor is on a half-level, giving access to mezzanines and a 100m2 summer terrace planted with trees. The 2nd floor comprises 6 bedrooms, 1 bathroom and 1 shower room. The 3rd floor is a 98m² open space dedicated to children (trampoline, television, table tennis, etc.). The 247m² 18th floor is used as an Airbnb. 529 m² of outbuildings complete this charming ensemble, including a 228 m² barn, renovated 32 m² stables rented year-round, and the 190 m² 13th century part of the mill, which remains to be entirely renovated (under a wooded terrace). Town center amenities 1.5 km away. Railway station 1.2 km. Supermarket 2 km away. RER B for Orly Paris Centre and Roissy. Exceptional property, a must-see. Contact Elisabeth Rossines EI sales agent +33(0)6 74 00 90 38 Information on the risks to which this property is exposed is available on the Géorisques website: www.georisques.gouv.fr