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Preliminary Package Rev2- Wilson Residence

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Henry + Rachel Wilson

WELCOME Package Nº3

This package continues the refinement of the preferred design direction, following our recent meeting and discussion. The focus at this stage has been to strengthen spatial clarity, refine key relationships within the plan, and further resolve how the home functions day-to-day.

With the overall architectural language and material palette now established, this iteration concentrates on targeted adjustments to layout, orientation, and use — ensuring the home performs intuitively for your family while remaining aligned with the original design intent.

As we move forward, the project is beginning to shift toward early coordination and validation. Subject to your approval of the floor plan and overall direction, the next steps will include engaging with SIREWALL to review feasibility, cost, and integration of the rammed earth system using site-won material, alongside preliminary energy modelling (ECCHO) to test and refine the thermal performance strategy.

Following this, we will begin preparing a coordinated set of drawings for preliminary costing with a quantity surveyor.

NEXT STEPS

PRELIMINARY FEEDBACK

Our recent discussion focused on refining the spatial plan to strengthen daily function, key moments, and alignment between layout, orientation, and architectural intent.

The building has been rotated 10 degrees east to improve access to morning light while remaining within the established platform. The mudroom has been repositioned closer to the entry and master suite, with the bunk room adjusted accordingly.

The kitchen and scullery have been reconfigured to prioritise northern outlook and efficiency, with a full walk-in scullery allowing clearer workflow and sightlines across living spaces. A new seating nook has been introduced as a primary daily-use area, positioned to capture morning sun and views, with built-in rammed earth seating extending to the exterior.

The former third bedroom has been revised to a flexible space with a Murphy bed and simplified ensuite, while the gym and sauna zone has been rationalised to include a dedicated mechanical room.

The natural pool has been resized to 11m x 5m, with a refined fencing strategy and integrated screening to improve usability across seasons. A library and piano area has also been introduced along the main entry axis as a central feature of the home.

House on the Prairie

The western approach remains consistent in its architectural intent, with minor refinements to the proportion and integration of screening elements. The composition continues to be defined by two rammed earth walls anchoring the home, with the central courtyard and natural pool held between.

Sliding shutters are now supported by integrated insect screening and wind-diffusing mesh, improving performance and usability while maintaining the clean architectural expression.

long and low roofline

large eaves with rammed earth base + charred timber cladding

INSPIRATION

The material palette is durable and performance-driven. Rammed earth walls are proposed as a SIREWALL system — a doublewythe rammed earth assembly with rigid insulation between — providing thermal mass, improved thermal performance, and long-term durability, while acting as a solid barrier to western sun and wind. Charred timber cladding offers low maintenance and UV resilience, introducing depth and contrast to the heavier elements.

A continuous low roof wraps the courtyard on all sides, reinforcing a simple, symmetrical form. Exposed rafters at outdoor living areas express structure and soften transitions between interior and exterior spaces.

covered outdoor areas with exposed rafters

rammed earth extending into interiors

yakisugi cladding

House on the Prairie

The southern entry sequence has been refined to improve clarity and use. The repositioned mudroom now sits closer to both the entry and master suite, strengthening daily function.

The carport, gym, and sauna arrangement remains consistent, with the removal of the internal shower allowing space for a dedicated mechanical room. Visual connection through the entry sequence is maintained, with controlled sightlines directed toward courtyard and garden spaces.

SPATIAL PLAN

FLOOR PLAN

HOUSE ON THE PRAIRIE

The plan has been refined to improve orientation, clarity, and daily function. A 10-degree rotation to the east enhances access to morning light without impacting the building platform. The kitchen has been repositioned to face north, supported by a full walkin scullery, allowing the northern edge to operate as a continuous living zone with strong connection to

views and outdoor areas. A seating nook has been introduced as a key daily-use space, positioned to capture morning sun and views. Built-in seating, including a rammed earth bench, extends this space directly to the exterior through operable glazing. The mudroom has been repositioned closer to the entry and master suite, with the bunk room adjusted

accordingly to improve everyday use. The former third bedroom is now a flexible space with integrated storage and a Murphy bed, supported by a simplified ensuite. A library and piano area has been added along the main circulation spine, reinforcing this axis as both movement and living space.

SPATIAL PLAN

ROOF PLAN

The roof reinforces the clarity of the plan — a continuous low form wrapping the courtyard and extending to provide consistent shelter. Deep overhangs control solar gain, excluding high summer sun while allowing winter sun to penetrate living areas.

The form supports passive performance, reducing overheating while maintaining daylight and connection to landscape. The roof geometry also provides opportunity for northfacing solar panels, aligned with the home’s energy strategy.

HOUSE ON THE PRAIRIE
8 Alki Architecture + Design Studio, Preliminary Henry + Rachel Wilson Wilson Residence

built-in joinery (mudroom)

natural pool + boardwalk

INSPIRATION

Interior spaces prioritise built-in joinery and clear function. Mudroom storage, bench seating, and integrated cabinetry support daily routines and reduce clutter.

Externally, the natural pool, boardwalk, and courtyard planting create a layered landscape that connects directly to the prairie beyond. Rammed earth and expressed structure continue internally, reinforcing material continuity and grounding the interior in its environment.

double vanity connected to gardens

outdoor kitchen island

House on the Prairie, Fin

The northern elevation reflects refinements to the internal layout, particularly the introduction of the seating nook, where a rammed earth bench anchors the space and extends directly to the exterior. This area strengthens the connection between interior living and the landscape, creating a defined moment for daily use, oriented to morning sun and views.

Adjustments to openings and spatial arrangement improve alignment between living spaces and outdoor areas, while maintaining control of solar gain.

A winter and summer sun study is included to demonstrate the solar strategy in practice, showing how overhangs, orientation, and openings work together to manage seasonal conditions:

low earth wall for morning sitting nook

NEXT STEPS

NEXT STEPS REVIEW This stage invites you to review the updated design and consider how the refinements respond to your brief and the discussions from our recent meeting.

Once you’ve had time to sit with the drawings, you are welcome to return to the studio to walk through the design together and review the model in detail.

Subject to your approval, the next phase will involve coordinating with SIREWALL to review feasibility, cost, and integration of the rammed earth system, alongside preliminary energy modelling (ECCHO) to test performance.

In parallel, we will begin preparing a coordinated drawing set for preliminary costing with a quantity surveyor.

Please feel free to share any further information or inspiration you have gathered, particularly in relation to the natural pool or building systems, as we continue refining the design.

NEXT STEPS

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Preliminary Package Rev2- Wilson Residence by alki.design - Issuu