
Ottawa's Renovation Specialists Since 1984.
Lagois Design∙Build∙Renovate is an award-winning boutique firm specializing in renovations, additions, and custom homes across Ottawa and surrounding areas. Since 1984, we’ve delivered enduring, high-quality solutions that reflect an appreciation for the finer things placing client experience, thoughtful design, and craftsmanship at the forefront.
With in-house architectural design and a holistic approach, we embrace modern possibilities like net-zero homes, indoor-outdoor living, and adaptable “living in place” solutions. Our proven three-phase design process begins with listening; ensuring each project reflects the homeowner’s vision while staying on time and on budget.
At Lagois, quality over quantity is more than a value, it’s a promise. Backed by a no-fee, five-year warranty, we’re proud to build not just exceptional homes, but lasting relationships.
01
Design That Serves Your Life
We don't design for trends. We design for how you live now, and how you'll live years from now. Every space is thoughtfully planned to support comfort, function, and longevity, so your home evolves with you instead of working against you.
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02
A Fully Integrated Design-Build Experience
From first concept to final walkthrough, our in-house team manages every detail. Designers, estimators, and craftsmen work together from day one, eliminating miscommunication, protecting your investment, and delivering a seamless experience.

03
Built with Craftsmanship That Endures
Quality isn't a feature, it's our standard. We prioritize structural integrity, refined finishes, and materials chosen for lasting performance. No shortcuts taken. Our no-fee, five-year warranty reflects our commitment to your peace of mind.

04
A Relationship-Driven Process Rooted in Trust
Renovating your home is deeply personal. We approach every project as a true partnership, listening carefully, communicating clearly, and guiding you with transparency at every stage.
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JACOB KIRST
President

SOPHIE VILLENEUVE
Project Development Manager

DARREN VANDER MEER
Production Manager

JEFF HURDIS
Lead Designer

TOM FELTS
Site Supervisor

JASON SIMONS
Site Supervisor

KELLY GOODENOUGH
Bookkeeper

EMMA KWAN
Interior Design Specialist & Director of Marketing

SHAHRZAD KHEZRI
Project Coordinator

HERB LAGOIS
Founder
What We Offer
At Lagois, we focus on major renovations, additions, custom homes, whole-home transformations, kitchen and bathroom remodels, and accessibility or aging-in-place solutions. During our initial meeting, we make sure to understand your goals and scope of work to best serve you and your renovation needs.

"From the very first meeting, I had a good feeling about the Lagois team and we decided to choose them for our entire first floor renovations. The process was laid out clearly, and every step of the renovation went smoothly. The design team took an incredible amount of time to truly understand our vision and ensure that the plan we had was the right one for us. [...] Thanks to the Lagois team, we will enjoy our newly renovated space for many years to come."
Isabelle & Dominique
Homeowner Review
"We had an excellent experience with Lagois and have high praise for the entire team, from the start of our project to the finish! What we most appreciated was the emphasis on good communication during planning and as we worked through the inevitable hiccups that occur during a renovation. We also appreciated the attention to detail in our project and the follow up after completion."
Jenifer & Rob
Homeowner Review
"I've had the pleasure of working with Lagois on three separate projects [...]. From start to finish, every experience with them has been nothing short of exceptional. Their professionalism shines through in every aspect of the process. [...] What really sets Lagois apart is how they make you feel like you are their number one customer, no matter the size of project. They're incredibly responsive, attentive to detail, and go the extra mile to ensure you're happy with every step of the process. [...]"
Joe Armstrong
Homeowner Review
"We highly recommend working with Lagois. Every aspect of the renovation we hired them to do was to our complete satisfaction. The attention to detail, the timeline, the flexibility, the obvious deep knowledge, professionalism and courtesy of the staff are second to none. Each stage of the work is closely monitored and communicated to the client. [...] Hiring Lagois is truly a wraparound experience."
Lisanna Sullivan
Homeowner Review
"[...] Their thoughtful process, clear communication, and attention to detail made what could’ve been a daunting project an enjoyable experience. From design to construction, the team listened to our ideas, kept everything on track, and delivered exceptional quality. Even years later, their follow-up care has been outstanding. We now have a home we truly love and highly recommend Lagois for their integrity, professionalism, and passion for their craft."
Laure Casetta
Homeowner Review
"We would highly recommend Lagois for renovations! We have had 2 renos done with them over the course of 15 years, that in itself speaks volumes. From the initial meeting, to the design, construction and final product we have had excellent experiences [...] We have loved the new spaces so much, they have made our home exactly what we wanted and we would not hesitate to have them back again."
Tara Tucker
Homeowner Review
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