Barcelona-based H3O architects has renovated a 19th-century house in the city's Gracia neighbourhood, taking care to preserve heritage elements while introducing quirky details like hidden windows. More about H3O uses "playful and intelligent gestures" to update historic Barcelona home
A crisp white cube has been nested within the old brick shell of an existing building to create Casa Nido, a Spanish house designed by local studio Iterare Arquitectos. More about Iterare Arquitectos inserts stark white home into shell of old Spanish building
Spanish studio NUA Arquitectures has completed Casa Juià, a farmhouse in Catalonia that draws on the craftsmanship of the surrounding region. More about Catalan farmhouse designed as "a passage through the land"
A crescent-shaped courtyard creates a "domestic refuge" at the heart of this minimalist house in Galicia, Spain, designed by local architecture studio Sinaldaba. More about Sinaldaba organises Cecebre House in Spain around crescent-shaped courtyard
Architecture studio Anna and Eugeni Bach has renovated and extended a holiday home in the medieval village of Fonolleres, Spain, adding a series of porches, pergolas, and terraces to bring daily living outdoors. More about Anna and Eugeni Bach extends Fonolleres House with porches and pergolas
Continuing our Gaudí Centenary series, we look at Barcelona's House of Bones, Casa Batlló, which Antoni Gaudí covered with mosaics, skeletal shapes and topped with a scaly, reptilian roof. More about House of Bones proves Gaudí is "very hard to imitate"
Spanish practice Raúl Sánchez Architects has renovated a home in Mataro, Spain, which belonged to a sailor in the 19th century, updating its interiors to suit the lifestyle of his descendant who lives there now. More about Raúl Sánchez Architects splashes old sailor's home in Spain with modern details
Local studios Jaime Prous Architects and Pineda & Monedero have completed Casa 144º, a corrugated metal-clad home near Barcelona that is raised above a steeply sloping site on skinny steel stilts. More about Metal-clad home perched on steel supports above Barcelona coast
Angular forms cloaked in green-toned metal make up Camp Alliances, a family home in Spain by Madrid studio OF Architects and architect Ignacio G Galán. More about Camp Alliances house has "reciprocal relationship" with Spanish forest
The vivid architectural style of Luis Barragán spurred design studio Holzrausch to add bright pops of pink, yellow and orange to this holiday home in Mallorca, Spain. More about Holzrausch references Luis Barragán in colourful refresh of Mallorcan holiday home
Hand-fired clay tiles, exposed timber and plaster walls bring "essential simplicity" to Rosa María House, a residence near Madrid designed by Spanish architecture studio Delavegacanolasso. More about Delavegacanolasso finishes home in Madrid with tactile material palette
Spanish studio Arquitectura-G has completed Patio House, a minimalist white home in Costa Brava that opens onto a central courtyard through folding timber shutters. More about Arquitectura-G organises minimalist Spanish house around central courtyard
Spanish studio Rául Sánchez Architects has taken advantage of a sloping site in Tarragona to create a concrete home with a sunken courtyard, which opens up into a double-height living area. More about Rául Sánchez Architects creates "play of contrasts" at House in Cala Tamarit
A fully-glazed corner offers panoramic views of Barcelona and the Balearic Sea at this coastal home, designed by UK studio Ström Architects as a reference to California's modernist Case Study Houses. More about Ström Architects reduces Barcelona House "to its most essential elements"
The Mallorca holiday home of Danish architect Jørn Utzon, designed after he resigned from the Sydney Opera House, is captured in these photos by British photographer Alex Dormon. More about Jørn Utzon's Can Lis captured in photography by Alex Dormon
A covered walkway connects the series of pavilions and patios that make up this house near Barcelona, designed by local studio Twobo Arquitectura. More about Twobo Arquitectura organises Casa Tres Patis around distinct patios
Architecture practice Lucas y Hernández-Gil has carefully injected a centuries-old Spanish home with new rooms and features so as not to disturb its original character. More about Lucas y Hernández-Gil conducts "architectural acupuncture" on 18th-century home in Spain
Spanish studio Raúl Sánchez Architects has perched a blocky concrete home on a steeply sloping site near Barcelona, cloaking it in an earthy, burnt orange-toned render. More about Burnt orange walls wrap Casa Magarola by Rául Sánchez Architects
Zigzagging stone volumes offer vantage points across the landscape surrounding this coastal villa in Andalusia, completed by Spanish studio Fran Silvestre Arquitectos. More about Stepped volumes create panoramic terraces for Villa 95 by Fran Silvestre Arquitectos
A terracotta render covers the exterior surfaces of Zenith House, a Menorcan house designed by Spanish architecture office Nomo Studio to blend in with the island's arid landscape. More about Nomo Studio encases walls and roofs of Menorcan house in earthy render