The Stone and Glass Addition

The Stone and Glass Addition

A two-story living addition in Woodside, built against an original stone elevation and opened to full-height garden glazing.

Category :

Client Name :

The Thornton Family

Location :

Woodside, California

Total Duration :

8 Months

Everything here started with a wall that used to be outside. The addition was built off the existing stone elevation, so original masonry and its two window openings now stand as an interior feature. A new double-height volume rises beside it, framed in full-height glazing, with white oak flooring, an open oak stair, and a mezzanine gallery running above on steel balusters.

Clarity mattered more than decoration here. Glazing was concentrated on the garden side so daylight reaches the full height of the room, the stone was left unpainted to carry all the texture, and everything else stays pale so the two materials read clearly against each other.

Eight months on, the house gained a main living volume, a connected upper landing, and a wall of its history left visible.

The family asked for one thing above all, somewhere the whole household could sit together. A stone fireplace with a herringbone firebox anchors one end, flanked by a built-in bench seat with drawer storage beneath and floating oak shelves above. A low oak picture ledge runs the opposite wall, and the mezzanine looks down over all of it.

The layout came from watching how the old house failed. Seating was arranged in two facing runs rather than pushed to the walls, the bench doubles as storage and overflow seating, and the dining area sits just beyond so conversation carries between the two without a door in the way.

Handover covered a cleaned space, sealed stone and oak, adjusted glazing hardware, and a documented punch list closed inside a week.

Inside This

From conceptualization to final delivery, we provide comprehensive solutions that transform raw potential into refined reality.

Capabilities

Building a new volume against old masonry is a structural problem before it is a design one. Three things carried this addition.
Tie-In to Existing Masonry

Tie-In to Existing Masonry

Connecting new framing and a new foundation to an existing stone elevation needs engineering rather than assumption, and our in-house engineers detailed the connection so the original wall and its window openings could stay exposed rather than being furred over.

Double-Height Glazing

Double-Height Glazing

A glazed wall at this height carries structural, thermal, and comfort consequences at once, so the openings were sized, specified, and sequenced with the framing package well ahead of delivery, since glass of this scale arrives made to order.

Stair and Mezzanine Millwork

Stair and Mezzanine Millwork

The open-riser oak stair, steel balusters, and mezzanine rail all sit in permanent view from every part of the room, which means the framing behind them had to be built true before finish carpentry arrived rather than corrected by it.

 Frequently Asked Questions

How long does a two-story home addition take?

This one ran 8 months from foundation to final walkthrough. Additions at this scale usually land between seven and ten months. Plan review and structural engineering come first and cannot be rushed, and large glazing packages are fabricated to order, so the schedule is mostly set before the first crew arrives on site.

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