Additions

Home Additions Contractor

Home additions that expand your living space while feeling connected to the original home.

20+ Years Exp.
100+ Engineered & built homes
3 States
Licensed & Insured

One Team, Start to Finish

Design, engineering, and construction under a single contract. No finger-pointing, no miscommunication.

Faster Timelines

Overlapping design and build phases means your project gets done sooner — without sacrificing quality.

No Surprise Change Orders

Because the people designing your plans are the ones building them, the budget stays honest from day one.

About This Service

Home Additions Contractor

Home additions contractor in Utah for bedrooms, living spaces, garages, second stories, and expanded layouts with coordinated design-build construction.

  • Bedrooms
  • Living Spaces
  • Garages
  • Second Stories
  • Expanded Layouts With Coordinated Design-build Construction
  • Home Additions That Expand Your Living Space While Feeling Connected To The Original Home
Discuss Your Project
Additions
How It Works

Three steps from idea to reality.

01

Consultation

Tell us about your project — timeline, budget, and vision. We'll assess feasibility and outline a clear path forward.

02

Design & Engineering

Our in-house architects and engineers develop plans optimized for constructability, code compliance, and your budget.

03

Build

The same team that designed your plans builds your project — ensuring nothing gets lost in translation.

Home additions should feel like they were always meant to be part of the house. Platypus Design and Construction helps Utah homeowners expand their homes with construction planning that respects the existing structure, the property, and the way the new space will be used.

Adding square footage is not just a framing project. It affects structure, rooflines, foundations, utilities, circulation, exterior appearance, and the day-to-day function of the home. Our integrated team helps coordinate those details before construction begins.

Additions Designed and Built to Fit the Existing Home

A well-built addition solves a real need without making the home feel patched together. We consider how the new space connects to existing rooms, how it changes the exterior, how the roof and foundation should tie in, and how the finished addition will support daily life.

Whether the goal is more living space, an added bedroom, a larger kitchen, a garage addition, or a flexible room for future needs, we help shape the scope around both design and construction realities.

What Our Home Additions Services Include

Home additions can take many forms depending on the existing home, property, and goals for the space.

  • Bedroom and bathroom additions for growing households or improved privacy
  • Kitchen and living space expansions for better gathering areas and flow
  • Garage additions for parking, storage, shops, and connection to the home
  • Primary suite additions that add comfort and long-term usability
  • Structural tie-in planning for foundations, framing, rooflines, and openings
  • Exterior continuity so the addition looks intentional from the street and yard

Our Home Addition Process

The best additions start with a clear understanding of what the existing home can support and how the new space should connect.

  • Listen and define the scope: We start by understanding your goals, property, budget direction, timeline, and the constraints that could affect the work.
  • Plan with design and engineering in mind: Our team looks at structure, site conditions, code considerations, sequencing, and buildability before expensive decisions are made.
  • Coordinate the construction details: Because design, engineering, and construction stay under one roof, the plan is easier to execute and adjust as real conditions come into focus.
  • Build with clear communication: You get practical updates, direct answers, and a team focused on doing the work correctly instead of passing responsibility between separate contractors.

Why Construction Planning Matters for Additions

Additions can create problems when the design does not account for the existing structure. Roof transitions, foundations, load paths, utilities, and exterior details all need to work together.

By combining design, engineering awareness, and construction execution, Platypus helps homeowners avoid awkward connections and build additions that feel natural, useful, and durable.

Common Home Additions Projects We Help With

The best addition is the one that solves the right problem. We help homeowners define what the new space needs to accomplish before the construction details are locked in.

  • Main-level additions for expanded living areas, kitchens, mudrooms, and family spaces
  • Bedroom and bathroom additions for growing households and better daily function
  • Garage additions that improve parking, storage, workshop, or home access
  • Primary suite additions for more privacy, comfort, and long-term usability
  • Rear or side additions that expand square footage while respecting the lot
  • Connected accessory spaces that make the home more flexible without feeling disconnected

Built With the Next Step in Mind

A residential construction project rarely succeeds because of one isolated trade. Foundations, rooflines, framing, exterior finishes, utilities, and interior transitions all have to meet the existing home correctly. Our planning keeps those connections in view from the start.

That is why Platypus plans each scope with the surrounding work in view. We want the project to make sense on paper, in the field, and years after the work is complete.

Home Additions for Utah Homeowners

Utah homes often have opportunities to expand through garages, rear additions, basement access, or main-level layout changes. We help evaluate the property and choose an approach that makes sense for the home and the neighborhood.

If you are planning a home addition in Utah, Platypus Design and Construction can help you shape the scope, coordinate the technical details, and move forward with a construction team that understands the full picture.

"From our very first meeting, the Platypus team felt different. They didn't just design our home — they engineered every detail and built it themselves. No miscommunication, no finger-pointing. Just one team that truly cared about our vision."
Sarah & Mike R. Custom Home — Eagle Mountain, UT

Let's build something great together.

Whether you have full plans or just an idea, our team will guide you from concept to completion.

What Our Clients Say

Real Projects. Real People.
Real Results.

We let our work — and our clients — speak for us. Here's what homeowners and business owners have to say about working with Platypus Design & Construction.

"I am more than satisfied with the excellent work Platypus Design and Construction recently did for us. After a windstorm blew down a portion of our vinyl fence, he not only repaired the fence but saw what needed to be done to secure it so it would withstand future storms. He performed the work quickly, efficiently, and skillfully. The result was excellent and the cost was reasonable. We also appreciate the clarity and friendliness of all his communications and interactions with us. Overall, he did a superb job, even exceeding our expectations."
Bruce Y. Fence Repair
"McKay and his team have done multiple TI buildout projects for me and my Scenthound locations. They have been great to work with through everything to help me get a mix of great pricing, service, and overall product delivery. They are honest with their work and will ensure they take care of you as their client. Further, being able to use them for both design drawing, engineering, and the project buildout and management has saved me tens of thousands of dollars and weeks of time during my buildouts to have it all done with them in house. Platypus will continue to be my go-to for all my future commercial construction needs."
Spencer S. Commercial Build-Out
"We had an outstanding experience working with McKay Harper and Platypus Construction on a garage addition and a custom pergola over our patio. From the beginning, McKay demonstrated a high level of craftsmanship and attention to detail - he was able to match the existing architecture of our home seamlessly, to the point that the addition looks like it has always been there. It was a unique design challenge, and McKay used thoughtful engineering to create a beautiful freestanding structure that feels both solid and elegant. His pricing was very fair, and we would give McKay and Platypus Construction our highest recommendation and would absolutely work with him again."
Matt W. Garage Addition & Pergola

Ready to become our next success story?

Join the growing list of homeowners and businesses who chose one team for design, engineering, and construction.

Start Your Project
Get In Touch

Let's Build Something
Together.

Whether you're planning a custom home, a commercial build-out, or just have questions — we'd love to hear from you. Tell us about your project and we'll reach out within one business day.

Licensed In Utah · Idaho · Arizona
Licensed & Insured
Response Within 24 hrs
No Obligation

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Utah (385) 314-4443