A Net-Zero New Build in Louisville, Colorado's Historic District

LOUISVILLE, Boulder NET-ZERO new build

Downtown Historic Louisville, Colorado

Location

Residential - New Construction

Project Type

Architecture

Services

5,250 SF

Size

Apex Structural Engineers
Ox Bow Landscape Architecture

Collaborators

Located in the heart of the downtown Historic District, this family was fortunate to find one of the last remaining (mostly) empty lots in this sought-after neighborhood. Space is at a premium in Louisville, and the family was keen on maximizing the use of the lot while incorporating their vision of a spacious, welcoming home where they could all gather. Working closely with the homeowners, we tailored the design to create a main-level open-plan area that serves as the central hub for family activities, providing a sense of unity and comfort.

One of the most striking features of the Louisville Residence is the use of Lunawood Thermowood as the exterior siding. This sustainable material adds a rich, warm texture to the façade, giving the home a sense of scale and depth that complements the historic surroundings while still feeling modern. Its durability and natural beauty make it the perfect choice for blending contemporary architecture with the character of the district.

Beyond the façade, the home was designed to reach net-zero energy performance, incorporating high-performance envelope, rooftop solar array and heat pump systems. For a family building new in one of Louisville's most established neighborhoods, it was important that the home be as forward-looking in its performance as it is in its design — pairing historic-district character with a genuinely sustainable, low-carbon footprint.

Elevation drawings, net-zero new build Louisville Colorado
Elevation drawings, net-zero new build Louisville Colorado
Exterior with Lunawood Thermowood siding, Louisville Colorado historic district
Front façade, sustainable new construction home Louisville Colorado
Front façade, sustainable new construction home Louisville Colorado
Exterior with Lunawood Thermowood siding, Louisville Colorado historic district
Kitchen, new construction home downtown Louisville Colorado
Kitchen, new construction home downtown Louisville Colorado
Exterior siding detail, Thermowood façade Louisville Colorado
Exterior siding detail, Thermowood façade Louisville Colorado
Living room interior, net-zero home Louisville historic district
Staircase detail, Louisville Colorado infill lot residence
Primary bedroom, sustainable new build Louisville Colorado

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