Sliding partitions and bright white surfaces helped Spanish studio Lucas y Hernández Gil open up this Madrid apartment, which previously contained a rabbit warren of rooms.

Casa P82 is set within a 20th-century apartment building in Madrid's city centre, and has been overhauled to feature a sequence of "flexible" rooms filled with natural light.
Formerly host to a number of dark, compartmentalised living spaces, the apartment's owner approached locally based Lucas y Hernández Gil to create a more comfortable layout so that she could regularly invite friends and family over.

Retaining the apartment's huge porthole windows, the studio knocked through a majority of the non-load bearing walls to free-up the floor plan.
The walls been replaced by full-height partitions that can be slid back and forth to provide privacy to different rooms ? one appears between the living area and master bedroom. Here, the timber headboard of the bed also doubles up as a work desk, forming a small area where the inhabitant can sit and work. More moveable partitions made from panes of fluted glass are also used in the corridor, partially obscuring the sleeping quarters.

A couple of concrete support beams were also preserved, which the studio hopes will offer a harsh contrast to the home's otherwise "delicate" furnishings like the wire-frame chairs.
The form of the apartment's original windows has then been echoed in the entryway, where a circular artificial skylight has be...