Spiral Staircases

Peppertree Villa: A 1920s classical home renovated by Luigi Rosselli Architects

1910 Sydney cottage gets modern two-storey addition

Secret Garden House: Luxurious, contemporary family home in Singapore

1201 Laurel Way Residence: A Beverly Hills dream home by Whipple Russell Architects

Casa Blanca: A modern home with an eye-catching spiral staircase