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A white house of stacked volumes among pines

Residential · Comporta, Portugal · 2019

Casa Alba

White walls, one tree, the Atlantic.

Overview

Casa Alba is a family retreat arranged around a courtyard and a two-hundred-year-old umbrella pine. The house is one storey of lime-washed walls, opened up wherever the light is best.

Its stairs, benches and shelves are carved from the same white mass, so the interior reads as a single sculpted surface.

Location
Comporta, Portugal
Year
2019
Status
Completed
Typology
Residential
Coordinates
38.3806° N, 8.7846° W

Drawings

Drawn to be built.

Plan, section and elevation, from the entry to the bedrooms, each drawn to scale on the structural grid.

Plan, level 00 — Casa AlbaGround-floor plan, 24 by 15 metres on a 6 by 5 metre structural grid. Rooms from west to east: Entry (83 m²), Courtyard (84 m²), Living (84 m²), Bedrooms (83 m²).ENTRY83 m²COURTYARD84 m²LIVING84 m²BEDROOMS83 m²ENTRYABCDE1234AA60006000600060002400050005000500015000CASA ALBACOMPORTA · 38.3806° N, 8.7846° WPLAN — LEVEL 00 · 1:75A2 LANDSCAPE · AS BUILT02.55 mNHALDEN & VOSS · 2019A-101
The ground floor, set out on a 6 × 5 m structural grid.24 × 15 m · 4 rooms · 360 m² ground floor

Materials

Made of few things.

Three materials, chosen at the source and left to age. Nothing is painted to look like something else.

  • Honed travertine steps in low sun

    Honed Travertine

    Selected in blocks at the quarry, honed and never polished. It warms in the sun and stays cool underfoot.

  • Charred timber boards with a deep black grain

    Charred Oak

    Scorched the old Japanese way, oiled, then left alone. The char is the weatherproofing, and it deepens with every winter.

  • Low-iron glass reflecting trees and warm interior light

    Low-iron Glass

    Without the green cast of ordinary glass, so the landscape reads true from edge to edge.

Details

Specifications.

Location
Comporta, Portugal
Site area
2,900 m²
Gross floor area
410 m²
Levels
1 + roof terrace
Structure
Load-bearing masonry, lime render
Facade
Lime wash, oak shutters
Certification
Not certified
Completion
July 2019
Team
6 architects

Credits

Architecture and landscape
Halden & Voss Architects
Structural engineering
Lindqvist Structures
Local architect
Estúdio Sado
Lime work
Mestre Caiador
Main contractor
Alentejo Obras
Stone steps curving through a planted slope

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An abandoned quarry, returned to the public.

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