Classical and avant-garde architecture in the heart of CastellóLocated in one of the most representative estates of Madrid architecture of the late 1920s, this property has been transformed through a comprehensive refurbishment project completed in May 2025. The result is a home that respects the elegance of the past while offering absolute technological functionality and aesthetics.Social Area: Fluidity and LightThe main entrance leads directly into an open-plan space where the living room and a masterfully integrated dining-kitchen area coexist. The kitchen, designed with high-end integrated appliances (fridge and dishwasher in column), is projected as the functional core of the room, allowing a natural transition to the living area. The height of the ceilings and the layout of the spaces enhance a sensation of spaciousness that is uncommon in this type of space.Privacy and Sensory ComfortA discreet distributor organises the rest area, optimising every metre to guarantee comfort:Master Suite: a generously proportioned bedroom that includes a separate dressing room and a private en-suite bathroom with contemporary finishes.Second bedroom: A versatile space, ideal for guests or as a professional office in an unbeatable location.Second Full Bathroom: Strategically located to serve both the second bedroom and the social area, maintaining the aesthetic coherence of the whole house.Real Estate Value in Calle CastellóLiving in Calle Castelló is synonymous with discretion and prestige. This property is a safe investment piece or a perfect urban retreat for those seeking the authenticity of a historic estate with the comforts of a new build of 2025.