Alvara

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Alvara

Alvara

·

Hana Vestergaard

·

2024

The Hollow House

A courtyard cut into the slope, open only to the sky.

The Hollow House cut into the forest slope

The house

Vestergaard put the entire house below the natural ground line and opened it to a single square courtyard. From the track above you see a meadow with a hole in it. From inside you see nothing but your own walls and the sky.

The roof is planted with the seed mix taken from the site before excavation, and it has taken.

Shown by appointment only, accompanied.

What makes it

Entirely below the natural ground line

Entirely below the natural ground line

One square courtyard, open only to the sky

One square courtyard, open only to the sky

Roof meadow grown from the site’s own seed

Roof meadow grown from the site’s own seed

Shortlisted, Pacific Coast Architecture Prize 2025

Shortlisted, Pacific Coast Architecture Prize 2025

Guide

$7,950,000

5 bd · 5 ba · 468 m²

Architect

Architect

Hana Vestergaard

Completed

Completed

2024

Internal area

Internal area

468 m²

Plot

Plot

6,400 m²

Tenure

Tenure

Freehold

EPC

EPC

A

Neighbourhood

Neighbourhood

Alder Hollow

Photographs

The courtyard

Kitchen

Principal suite

The roof

The Hollow House cut into the forest slope

Specification

What is
in it

Interior

Rooms arranged on all four sides of the court

Rooms arranged on all four sides of the court

Board-formed concrete throughout

Board-formed concrete throughout

Rooflit bathing court

Rooflit bathing court

Wine store cut into the slope

Wine store cut into the slope

Exterior

Planted roof meadow

Planted roof meadow

Sunken gravel courtyard

Sunken gravel courtyard

Concealed vehicle court

Concealed vehicle court

Creek frontage

Creek frontage

Services

Ground-source heat pump array

Ground-source heat pump array

MVHR

MVHR

Battery storage

Battery storage

Full building automation

Full building automation

Where it is

Alder Hollow

Second-growth forest with a dozen clearings, most of them spoken for.

Second-growth forest with a dozen clearings, most of them spoken for.

Houses among mature alder and fir at Alder Hollow, with mown clearings and stone paths

47.5511 N - 122.3308 W

Alder Hollow

7 listed

31 days median

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