Properties for sale in Spain

This particular penthouse is situated on the fifth floor of the building and boasts 229 square meters of living space, featuring 3 bedrooms, 3 bathrooms, generous living areas, and a 19-square-meter terrace. The welcoming and fresh interior decor seamlessly blends traditional style with functional touches, such as integrating the living room and kitchen, separated by sliding glass screens to maximize natural light and save space. This new development building provides homeowners with access to unparalleled services throughout Barcelona. There are two communal areas, the lower ground floor and the rooftop terraces, offering residents the opportunity to relax and enjoy this exquisite environment. The lower ground floor encompasses an indoor pool, gym, home cinema, wine cellar, workspace, and a professional kitchen and dining area, perfect for gatherings with large groups of friends. The rooftop terrace features an outdoor pool. Being in the Golden Square of Barcelona, this apartment benefits from unbeatable surroundings, with some of the city's most important culture and history elements, Michelin-starred restaurants, great bars and cafes, high-end fashion stores, and well-known art galleries just within walking distance. #ref:CBES2345

Coldwell Banker presents this bright penthouse with terrace in the heart of Justicia. This exclusive and cozy penthouse is located in the prestigious Chueca neighborhood, just a few steps from the iconic Gran Vía. Renovated in 2017, the space perfectly combines comfort and style, both inside and in its surroundings. Its southeast orientation ensures excellent natural light throughout the day, allowing you to enjoy its impressive terrace year-round. The open-plan kitchen, integrated with the dining area, opens into a spacious living room with large double-glazed, soundproof windows, offering unparalleled city views. The modern and spacious bathroom, together with the bedroom featuring a naturally lit walk-in closet, makes this apartment an ideal retreat to relax or enjoy the vibrant life of Madrid. #ref:CBUQ458

Large stone chalet just 5 minutes from the Salnés Highway and 15 minutes from the beaches of Sanxenxo. It is very close to the future Meis water park and half an hour from the city of Pontevedra. Set on a spacious plot of almost 5,000 m² that is comfortable, flat, square, and sunny all day long, with two bore wells and a garden area. The property includes, besides the main house, a second building used as a summer kitchen with a large barbecue and dining area, and a third space housing the laundry, heating machinery, and a full bathroom. The new aerothermal heating system with solar panels is brand new, plus there is a garage with a tool area and a traditional 'hórreo' in perfect condition. The main house is distributed over 3 floors: Basement: open space with endless possibilities game room, storage, etc. First floor: independent kitchen with direct access to the dining room. Two bedrooms, one with an en-suite bathroom and walk-in closet, another full bathroom, and a large living room with different areas overlooking the mountains. Upper floor: 3 double bedrooms, two of them with full bathrooms. At the main entrance of the property, there is also a space prepared as a wine cellar. Don't miss this unique opportunity and contact us now to schedule a visit! We're here to make your dream home a reality. Advertisement is indicative and subject to errors. #ref:CBIN803

We present this beautiful finca in La Xara that has a large plot of 1,740 m² surrounded by lush gardens, which offer total privacy. The rustic style house has 3 bright bedrooms and 2 full bathrooms, ideal for those looking for a comfortable and cosy space. The living room has a fireplace that adds warmth and character to the house, while the outdoor area is perfect for enjoying the good weather, with a magnificent private pool and a large barbecue area to share with family and friends. If you are looking for a quiet place, with plenty of outdoor space and all the amenities, this finca is your perfect opportunity. Come and visit it and discover everything it has to offer! #ref:CBS391

Esta espectacular casa independiente, ubicada en Saillagouse, te ofrece un estilo de vida único. Cuenta con un amplio jardín privado, soleado y con vistas, perfecto para disfrutar al aire libre. La casa tiene una excelente orientación, lo que garantiza luz natural durante todo el día. Está dividida en tres apartamentos independientes, ideales para familias numerosas, alquilar o como inversión. En la planta baja, encontrarás un salón comedor con chimenea y acceso directo a la terraza y al jardín, una cocina abierta al comedor, tres habitaciones dobles todas ellas con armarios empotrados y un baño completo. En la primera planta, otro apartamento con salón comedor, chimenea y salida a balcón, una cocina independiente tipo office, tres habitaciones dobles y un baño completo. En la última planta, un apartamento con techos abuhardillados que cuenta con salón comedor, cocina abierta al comedor, dos habitaciones dobles y un baño completo. La casa también dispone de una zona de lavadero, calefacción, trastero y un garaje para dos coches con un aseo de cortesía. Esta propiedad es perfecta tanto para quienes buscan una casa amplia y versátil como para quienes desean invertir en un espacio con múltiples posibilidades. #ref:CBG2033

Exclusive project Villa with design, distributed on the ground floor and an additional height, located in the Racó de Nadal urbanisation, in Poble Nou de Benitachell, with spectacular panoramic views and a distribution designed for those who value space and privacy. With a license already approved, the work is expected to be completed in 2026, providing an unparalleled opportunity to acquire a new home in a privileged location. The property sits on a plot of 1,000 m², surrounded by extensive gardens and has a stunning private swimming pool, ideal for enjoying the Mediterranean lifestyle. The main house has four large double bedrooms, all with fitted wardrobes, and four full bathrooms. The spacious and bright living-dining room merges harmoniously with the modern, fully equipped open kitchen, creating an ideal atmosphere for daily living. In addition, several terraces offer the possibility to make the most of the views and the excellent climate of the area. It also includes a separate guest house, equipped with a bedroom, a bathroom, and a cosy living-dining room with an open kitchen and fitted wardrobes, providing a private and comfortable space for visitors. Among the outstanding features of this property are the garage, hot/cold air conditioning, underfloor heating, and a southeast orientation that ensures magnificent light throughout the day. #ref:CBS735

We present Villa Paloma, a spectacular villa under construction in Benissa, designed with high qualities and a modern style that offers a sophisticated and comfortable lifestyle. Its delivery date is scheduled for October 2024, ideal for those looking to debut a luxury home in one of the most exclusive places on the Costa Blanca. The villa has 4 spacious bedrooms, providing space and privacy for the whole family. In addition, it includes a spacious basement, which can be adapted to various needs, whether as a leisure area, gym or cinema room. Outside, Villa Paloma has a stunning 13.00 x 4.50 metre infinity pool, perfect for enjoying the views and relaxing in the sun. Also noteworthy is its spectacular chill-out terrace with an outdoor fireplace, ideal for unforgettable outdoor moments. Don't miss the opportunity to live in a home where luxury, comfort and design are in perfect harmony. #ref:CBS384

Apartment for sale in Diagonal Mar, in 'Illa de Llac' Flat with three bedrooms (one en suite and two medium-sized), two bathrooms in total, an independent kitchen with a room for a washing machine and dryer. Large living-dining room that connects directly to a glazed terrace and an open balcony. The price includes a parking space and a large storage room. Located on the first floor of a building with a 24-hour concierge and surveillance service, this home offers its residents maximum security and peace of mind. The community has excellent recreational facilities, such as two swimming pools, two paddle tennis courts, a gym, a children's playground. With an unbeatable location just 300 meters from the beach and in front of the Diagonal Mar shopping center. #ref:CBES2333

Spectacular townhouse for sale in Nueva Andalucia, Marbella! This modern and bright villa has 4 bedrooms, 2 bathrooms and 1 toilet, built with high quality materials. The house is equipped with air conditioning and heating in all rooms, fitted closets and a fully equipped kitchen. It also has a large private garden, terraces on the second floor and an incredible solarium with stunning views. Located in an urbanization in the heart of the Costa del Sol, close to Los Naranjos golf course, the property offers access to communal swimming pools and well kept gardens. The location is ideal, just 8 minutes from the Corte Ingles of Puerto Banus and its beaches, 15 minutes from the center of Marbella and well connected via the A-7 with cities such as Estepona, San Pedro, Mijas, Fuengirola, Benalmadena and Malaga. With excellent public transport connections, bus lines 1 and 2 are just minutes away, and the prestigious Aloha College is less than 1 km away. The villa is sold fully furnished and ready to move in, including a garage space in the price. A unique opportunity in a privileged location! #ref:CBSH0039

Coldwell Banker Unique presents this extraordinary plot, plus project with a final price of 1,460,000, in the paradisiacal Canary Island that offers a unique opportunity to design and build your own personalised villa, your way and with the details you have always wanted. With unrivalled natural surroundings and spectacular views, this project allows you to create a home that reflects your style and needs. The property is built on one floor and has 4 bedrooms, 3 of them en-suite with bathroom and dressing room, 4 complete bathrooms, storage and laundry room, large living room and kitchen, 2 terraces with indirect light, interior zen garden, exterior garden and private swimming pool. The property is located in the prestigious setting of Salobre Golf & Resort, where every corner blends with the majesty of the surrounding golf course. From the comfort of your home, you will witness panoramic views stretching out over the verdant countryside, creating a unique and relaxing visual spectacle. Strategically located close to Maspalomas and its iconic golden dunes, this exclusive villa gives you the opportunity to enjoy the serenity of Canarian nature. Approximate characteristics: Bedrooms 4 Bathrooms 4 Surface of 581.33m2 Buildable area 277.92 m2 Building area 334.95 m2 Maximum building level 245.0 Access floor elevation 237.0 / 241.0 Current height of the clearing 241.0 The Be Green project is presented as a housing concept that prioritises energy efficiency and functionality, integrating with the surrounding conditions. With the option of a turnkey project, developed by a prestigious architectural firm, your home will be custom designed, reflecting your lifestyle and personality. Unique homes for unique clients. Live the experience of having your own paradise on the magnificent island of Gran Canaria, a destination where luxury and nature merge in perfect balance. Realise your dream villa in one of the most exclusive locations in Spain! #ref:CBUQ455

We present this charming flat with excellent qualities, located in one of the most sought-after areas of Jávea. With 3 bedrooms and 2 bathrooms, this home is ideal for both living and investing. Enjoy a spacious terrace with a jacuzzi, where you can relax while contemplating the magnificent views of the beautiful gardens of the urbanisation and the pool. The location is unbeatable: just 5 minutes from both the port and the Arenal beach, allowing you to walk to all the services and activities that the area offers. The urbanisation is quiet and family-friendly, with a cosy and friendly atmosphere. In addition, it has a porter service, which adds an extra comfort to the neighbours. Includes garage space in the same building, fully included in the price. Currently, the flat is rented (the contract ends in 2 years), which guarantees an immediate return. In addition, it has a valid Tourist License, which further expands the possibilities of use. Don't miss this unique opportunity to acquire a flat in a privileged location! #ref:CBS382

Luxury villa on the Costa Brava with beautiful sea views and views of the Castle of La Trinidad. The property comes with a tourist licence / holiday rental licence. Access to the property is provided through an automatic gate leading to a parking area for three vehicles. Once inside, large windows flood the interior with natural light and guide you towards the fully equipped open-plan kitchen, the spacious living room with fireplace and sea views, and a terrace that opens out like a natural viewpoint. The master suite occupies the top floor, offering an intimate atmosphere with its luxurious bathroom featuring a whirlpool bathtub and a private terrace. On the mezzanine level, a room currently used as a bedroom can be easily converted into an office or adapted for another purpose. The lower levels host two additional suites, each with open views and direct access to a private terrace. On the lowest floor, an independent suite offers extra privacy. Outside, a carefully landscaped garden surrounds the 32 m² infinity pool, the summer kitchen, several terraces and a cosy chill-out area designed to enjoy the Mediterranean setting at any time of the day. The villa features premium amenities including a panoramic lift, electric shutters, an advanced security system and solar panels. A rare opportunity to acquire an exclusive property in Roses perfect as an investment, a primary residence or a second home on the Costa Brava. #ref:CBLX02926

This dream villa, located on Marbella's prestigious Golden Mile, has been designed and decorated by renowned interior designer Pedro Peña, who has imbued every corner with style and sophistication. The west-facing property offers unparalleled mountain and sea views, and is distributed over four floors, all connected by an elegant private elevator. Entering on the second floor, you are greeted by an impressive foyer that opens to the bright living room, connected to a state-of-the-art kitchen equipped with high-end appliances. From the living room, you access a spacious terrace that extends to a lush private garden, ideal for enjoying the sunny weather all year round. The villa has four spacious bedrooms, designed to offer privacy and comfort. The master suite, located on the second floor, features a spacious dressing room, a luxurious en-suite bathroom and a private terrace with panoramic views. Two additional elegant bedrooms with built-in closets are also located on this floor, while the fourth bedroom, located in the basement, offers maximum privacy. The rooftop terrace is the true highlight of the property, an oasis of peace overlooking the sea, including a private pool, an outdoor kitchen and an outdoor cinema for unforgettable evenings under the stars. Do not miss the opportunity to acquire this *spectacular residence* in one of the most exclusive areas of Marbella. For more information, please contact us. #ref:CBSH0037

The plot in the Can Font urbanisation, Castellar del Vallès, consists of a flat plot of 800 m². It is sold with a project approved and presented to the town hall, which includes a two-storey detached house. The ground floor, with a constructed area of 147.55 m², includes a garage for one car (25.53 m²), a living-dining room (32.50 m²), kitchen (16.84 m²), a suite bedroom with dressing room (6.80 m²) and a full bathroom (4.83 m²), as well as other areas such as a guest bathroom and a laundry room The ground floor, measuring 65.10 m², is intended for rest areas, with three bedrooms (10.77 m², 10.85 m² and 10.53 m²) and a shared bathroom. It is an ideal opportunity to build in a quiet, well-connected area between Matadepera and Castellar. #ref:CBMT640

Coldwell Banker Unique presents, in the very heart of the exclusive Barrio de Salamanca, one of Madrid's most coveted areas, a unique 419 m² property located in a majestic 1900 building. This residence offers the opportunity to design a bespoke home in a setting full of history and elegance. Situated on the first floor of a stately building, the property stands out for its high ceilings, which visually enlarge the spaces and provide a unique and distinguished character. The jewel of the residence is its spacious private terrace, a perfect retreat to enjoy the outdoors without giving up the dynamism of urban life. The layout includes 303 m² of living space, 46 m² of common areas, and 70 m² of terrace, along with a storage room and the convenience of an elevator in the building. Its four exterior balconies, together with the possibility of configuring up to four bedrooms and four bathrooms, make this property an exceptional opportunity. Its privileged location, just a few steps from El Retiro Park, makes it a true oasis of tranquility in the very center of the city. Living in the Barrio de Salamanca means enjoying the perfect combination of luxury, history, and comfort in one of Madrid's finest locations. Many of our properties are not publicly listed at the request of our clients, so we recommend contacting us for further information. #ref:CBUQ438

Coldwell Banker Unique is pleased to present a real estate gem in the heart of the Salamanca district, a spectacular luxury flat. This property, which occupies the first exterior floor of an elegant building, is a true masterpiece of design and comfort. Upon entering this exclusive 204 m² flat, one cannot help but be impressed by the brightness and spaciousness of the rooms. The large living room opens onto the street, allowing natural light to flood the room and enhance the beauty of the high-end finishes. The open-plan kitchen is equipped with state-of-the-art appliances and designer furniture, creating a perfect environment for entertaining and everyday living. The property has three bedrooms, each decorated in a sophisticated and modern style. Each bedroom has access to one of the three full bathrooms, designed with attention to detail and luxury finishes. In addition, there is a guest toilet for the convenience of your guests. Every corner of this property has been carefully refurbished and furnished with high quality products, guaranteeing an unparalleled level of comfort and elegance. The combination of ample spaces, natural light and top quality materials makes this flat an unbeatable option for those looking for a unique residence in one of the most exclusive areas of Madrid. This property is located in the Salamanca neighbourhood, one of the most coveted areas of the city known for its luxury boutiques, high-end restaurants and vibrant cultural life. Living in Castellana means enjoying an unrivalled environment, where exclusivity and comfort combine to offer an unparalleled residential experience. Don't miss the opportunity to enjoy all the advantages that this unbeatable location has to offer. Many of our properties are not published at the request of our clients. We recommend contacting us for more information. #ref:CBUQ435

Discover your new home in the sought-after Salacia urbanisation, located in El Arenal, just a 2-minute walk from the beautiful Arenal beach. This charming flat offers a perfect combination of comfort and location, ideal for those looking to enjoy a coastal lifestyle. With 3 spacious bedrooms and 3 modern bathrooms, this property is presented in excellent condition, ready to move into. The spacious and bright design of the flat ensures a cosy and comfortable atmosphere for the whole family + 20m2 of terrace. In addition, the Salacia urbanisation puts you close to all the amenities you need: shops, restaurants and services are at your fingertips, providing you with convenience and a relaxed lifestyle. Don't miss the opportunity to live in a place that combines the best of coastal living with the convenience of being close to everything you need. #ref:CBS375N

We present a 1,600 m² plot of land in the sought-after area of La Corona, with spectacular sea views and a convenient walking distance to the port. This privileged location offers tranquillity, proximity to the sea and easy access to services and shops. The land is offered with two purchase options: Unbuilt land: Price of € 450,000. Land with modern villa project: Includes an exclusive architectural project of a modern style villa with waterfall. The villa consists of: 2 floors 3 bedrooms with en-suite bathrooms 3 full bathrooms + 1 guest toilet Porch Outdoor terrace and a chillout terrace Garage with capacity for 2 cars Lift The price of this option is €2,200,000, as can be seen in the attached images. This is a unique opportunity for those looking to build or acquire a luxury property in one of the most exclusive areas of Javea. #ref:CBS733

Fantástica casa ubicada en La Pleta de Bolvir una de las urbanizaciones más exclusivas de la Cerdaña, rodeada de amplias zonas ajardinadas y piscina comunitaria, ideal para disfrutar de un entorno natural privilegiado. En la planta principal un recibidor te conduce a un amplio salón comedor con chimenea y salida directa a una terraza desde la que se puede disfrutar de unas vistas espectaculares, una gran cocina office y un aseo de cortesía. La planta superior abuhardillada alberga una magnífica máster suite con chimenea, vestidor y acceso a una terraza privada con impresionantes vistas. En la planta baja encontramos dos habitaciones tipo suite con salida directa al porche y al jardín privado, además de dos habitaciones dobles y un baño completo. La casa se completa con un garaje y trastero con acceso directo a la vivienda, ofreciendo todas las comodidades necesarias para disfrutar de un hogar de lujo en un entorno incomparable. #ref:CBG2034

This spectacular villa, located in the exclusive residential Puerta Fenicia in Jávea, offers a living area of 180 m² and a total construction of 250 m² on a plot of 1,100 m². Facing east, the property boasts stunning views of the sea and the majestic Montgo. The villa has 3 spacious bedrooms, each with its own en-suite bathroom, plus a guest toilet. The kitchen is semi-American, connected to the common areas, providing a modern and cosy atmosphere. It also includes a separate laundry room for added convenience. The spacious terraces invite you to enjoy the natural surroundings and the panoramic views. Ducted air conditioning ensures a comfortable environment at any time of the year. The villa will be delivered fully furnished, ready to move into. #ref:CBS371

Located in a privileged setting, this stunning villa combines rustic charm with Mediterranean style and offers unparalleled sea views. Upon entering, you are greeted by a spacious and cosy living room with a fireplace, perfect for relaxing and enjoying the warm and homely atmosphere. The villa has 4 spacious bedrooms and 3 bathrooms, designed to provide comfort and privacy for the whole family or your guests. The exterior is equally impressive, with a beautiful swimming pool surrounded by a manicured garden, ideal for enjoying sunny days. In addition, it has a barbecue area perfect for spending unforgettable moments outdoors, enjoying the Mediterranean climate and the breathtaking views. An ideal place for those looking for tranquillity, style and connection with nature in a dream setting! #ref:CBS370

Coldwell Banker Llebrenc is pleased to present, exclusively, this spectacular house located in one of the most desirable and serene areas of Barcelona: the charming neighborhood of Vallcarca. Built in 2008, this magnificent property stands out for its contemporary design, offering 172 m² of constructed space plus 120 m² of terraces spread across various levels. These versatile and sunlit outdoor areas allow you to enjoy moments of tranquility or leisure, whether relaxing in the garden or savoring the panoramic views from the upper terrace. The house is distributed across four floors, interconnected by a modern elevator that enhances comfort and accessibility: Ground floor: An elegant entrance hall welcomes you to a spacious and bright living-dining room with direct access to the garden and lower terrace, ideal for outdoor dining or unwinding in a green setting. The floor is completed by a separate, modern kitchen, fully equipped and combining functionality with style. First floor: Features three cozy bedrooms, including a stylish master suite with a private bathroom, plus two additional bedrooms perfect for family or guests, complemented by an additional full bathroom. Second floor: A stunning studio with access to a large terrace where a relaxing jacuzzi awaits, offering breathtaking views of the city of Barcelona. This space is ideal for work or leisure. Basement: A spacious, multipurpose area that can be adapted to various needs, such as a game room, home cinema, office, or even an extra bedroom. It also includes a practical laundry area and a guest bathroom. The property boasts a large outdoor garage with space for 2 or 3 cars, adding further convenience for urban living. About the Neighborhood of Vallcarca Vallcarca is a neighborhood known for its welcoming and tranquil atmosphere. This location offers residents the perfect balance between urban living and a green environment, ideal for those who enjoy outdoor walks, sports, and peace while staying close to the city center. The area has an excellent public transportation network, including metro stations on the L3 line (Vallcarca and Lesseps), as well as several bus lines that quickly connect to other parts of Barcelona. This ensures easy and efficient access to the city's main attractions and points of interest. Vallcarca also offers a wide range of essential services, such as supermarkets, local shops, pharmacies, and a variety of cafes and restaurants. For families, the neighborhood provides a great selection of quality schools and nurseries, both public and private, along with sports facilities and playgrounds. This neighborhood is a true haven for those seeking comfort and quality of life, blending tradition, modernity, and nature in an exceptional setting. Don't miss the chance to discover this wonderful property in a unique location. Contact us today for more details and to schedule a visit. We look forward to meeting you! #ref:CB4415LL

Coldwell Banker Unique presents this extraordinary residence located in the prime area of the exclusive Recoletos neighborhood, just steps away from El Retiro Park. With 499 m² of living space, this property offers an exceptional layout combining elegance, spaciousness, and functionality. It features three large bedrooms, each with an en-suite bathroom, a guest powder room, a spectacular living room with three balconies overlooking the street, a cozy family room, a modern separate kitchen, a laundry area, and an impressive private terrace of over 119 m², perfect for enjoying outdoor living in the heart of Madrid. The apartment is currently undergoing a full renovation and will be delivered fully finished and ready to move in. The sale price includes interior design and high-end furnishings, offering a sophisticated home ready to enjoy from day one. #ref:CBUQ418

We present a new concept of luxury in La Cala Golf Mijas: an exclusive complex of 58 homes with a contemporary design. These properties are located in a stunning natural environment, in the Andalusian countryside, where tranquility and serenity are the protagonists. The complex offers spectacular views of the La Cala golf course and is located just a few minutes from La Cala de Mijas. This development belongs to the prestigious Wyndham Group, one of the world leaders in the luxury hotel and residential sector. The brand is distinguished by offering an extraordinary lifestyle, aimed at those looking for the best in a second home. Owners will enjoy first-class facilities in the common areas, including state-of-the-art gyms, sauna, steam baths and swimming pools. The complex is strategically located on the 6th hole of the south course of La Cala, surrounded by over 90 holes of golf within a 5 minute drive, including the prestigious Santa Golf and Calanova courses, with access to over 70 courses on the Costa del Sol. In addition, this property can be part of the exclusive rental network managed by Wyndham, which takes care of all aspects of administration, ensuring a worry-free experience. Don't miss the opportunity to acquire an extraordinary residence in one of the most enchanting locations on the Costa del Sol. For more information or if you would like to make a visit, please do not hesitate to contact us. #ref:CBSH33

This unique villa features beautiful handmade artistic elements and classic and expensive furniture. A spacious kitchen and living room with custom-made furniture are connected to an office. On the upper floor there are two suites with beautiful views. The house has a spa area with a bathroom with a hydromassage shower, a large sauna and a relaxation area with a bar. Large swimming pool with a beautiful garden. There is also a basement with rooms for staff and security. Buying this villa will be a real gift for you and your loved ones. #ref:CBS365

Stunning villa with a marble staircase and beautiful doors. On the ground floor there is a spacious classic dining room with two large living areas, a carved marble fireplace and classic handmade furniture. Beautiful and spacious wooden kitchen. On the ground floor there is a large office with classic furniture and a private toilet, as well as another large double bedroom with an en-suite bathroom. On the first floor, both bedrooms are suites with large windows and different types of bathrooms, including spacious bathrooms and dressing rooms. On the lower level there is a spacious spa room with a spectacular jacuzzi, comfortable sofas, bar, sauna and bathroom with shower. There is also a large dressing room. The outdoor area features a large swimming pool with a unique fountain created especially for this home. The covered outdoor area, a barbecue area and a swimming area. The manicured garden is amazing. The property for true beauty connoisseurs #ref:CBS366