Buying a new build home in Ottawa is a different process from purchasing resale, and the differences catch many buyers off guard. Builder contracts, staged deposits, construction timelines and Tarion warranty coverage all work differently than the resale transactions most buyers already understand. Ottawa’s west end, including Kanata, Stittsville and the surrounding communities, remains one of the region’s most active new construction markets.
This guide walks through how the process works, what it costs, and where buyers commonly run into trouble. Drawing on more than 15 years of local real estate experience, Jason Polonski helps buyers navigate builder negotiations, contract review and site selection long before closing day. Understanding the process before signing anything is the best way to protect your interests.
New builds offer something resale homes rarely match: a home designed around current living standards, from open layouts to modern insulation and energy-efficient mechanical systems. Buyers also get to select finishes before move-in, which resale doesn’t allow. For a fuller side-by-side comparison of the trade-offs, see this breakdown of new build vs. resale homes.
Ottawa’s west end has been a focal point for development for years. Kanata, Stittsville, Barrhaven and the growing communities near Carp and Dunrobin continue to see new subdivisions and infill projects. Population growth across the region, tracked through Statistics Canada census data, has fuelled steady housing demand, and builders have responded with everything from townhomes to executive single-family homes.
There’s also the appeal of warranty protection and lower early maintenance costs. A new home shouldn’t need a roof, furnace or windows for many years, which gives budget-conscious buyers room to plan. That said, a new build still comes with its own learning curve, one that rewards buyers who go in prepared.
Ottawa’s new home market spans several formats, each suited to different buyers and budgets.
These are built within planned subdivisions from a builder’s set of floor plans. Buyers choose a model and a lot, then personalize finishes within the builder’s options. Most new homes in Kanata Lakes, Bridlewood, Morgans Grant and Stittsville fall into this category, including many of the new homes for sale in Kanata currently under construction. Production homes generally offer more predictable pricing and shorter timelines than custom builds.
Custom builds give buyers control over design, often on a private lot in areas like Carp, Dunrobin or rural Ottawa. Semi-custom homes sit between production and fully custom, allowing structural changes to a base plan. These projects take longer and require closer buyer involvement throughout construction.
New condo and freehold townhome projects appeal to first-time buyers, downsizers and investors alike. Pre-construction condos involve their own deposit structures and occupancy rules, which are worth understanding before committing to a purchase agreement. Buyers weighing formats across the region can review the full range of new construction homes in Ottawa for context.
The process differs meaningfully from a resale purchase, and the sequence below is typical for a production home in the Ottawa area.
| Stage | What Happens |
|---|---|
| Builder selection | Research reputation, visit model homes, review past projects |
| Lot and model choice | Select floor plan and lot premium |
| Agreement of purchase | Sign the builder contract, pay the initial deposit |
| Design and finishes | Choose upgrades at the design centre |
| Construction | Foundation through finishing |
| Pre-delivery inspection | Walk through and document deficiencies |
| Closing | Final financing, occupancy or final closing |
Construction length and closing dates vary considerably by builder, model and season, so it helps to see realistic expectations laid out in detail. A full breakdown of what to expect at each stage is available in this timeline for building a new home in Ottawa.
A builder’s Agreement of Purchase and Sale is a far more complex document than a typical resale contract. It includes clauses on closing date adjustments, upgrade pricing, development charges and the builder’s right to make substitutions. Deposit structures also differ, with builders typically requiring staged payments tied to construction milestones rather than a single deposit.
Builder sales representatives work for the builder, not the buyer, which is why many buyers bring their own representation to the table. It’s worth understanding whether you need a realtor for new construction before visiting a sales office, since builder compensation for buyer agents is often built into the sales model at no added cost. Buyers researching options across the region can also compare builders through this Ottawa new home builders directory.
Pay close attention to the closing cost adjustments section of any contract. Builders frequently pass along development levies, utility connection fees and Tarion enrolment costs to the buyer at closing, and these can total thousands of dollars if not capped through negotiation.
Ontario’s new homes carry mandatory warranty coverage. Every builder must be licensed through the Home Construction Regulatory Authority, and every new home must be enrolled with Tarion. Coverage is tiered: one year for defects in work and materials, two years for water penetration, electrical, plumbing and heating systems, and seven years for major structural defects.
Deposits are also protected within set limits under Tarion’s deposit coverage rules, which safeguard buyers if a builder defaults before closing. Before committing to any builder, it’s worth reviewing licensing history through the public regulatory registry, and this closer look at Tarion warranty coverage in Ottawa explains what each tier actually protects.
Before taking possession, buyers complete a Pre-Delivery Inspection with the builder, documenting every deficiency on the official Tarion form. Items recorded at this stage are far easier for the builder to correct than problems raised after closing, so it pays to bring a checklist and test every fixture. Many buyers bring their realtor or a professional inspector along for a second set of experienced eyes.
The sticker price is only the starting point. Several additional costs apply specifically to new builds and should be factored into any budget from the outset.
| Cost Item | What to Expect |
|---|---|
| Lot premium | Added charge for corner, larger or backing-onto-greenspace lots |
| Design upgrades | Finishes above base spec, often the highest variable cost |
| Development charges | Municipal levies, sometimes capped in the contract |
| Tarion enrolment | Warranty registration fee |
| HST | Applies to new homes, with possible rebates |
| Legal and adjustments | Lawyer fees plus builder closing adjustments |
Financing a new build introduces wrinkles that resale buyers don’t face. Mortgage pre-approvals expire, and a construction timeline can outlast a rate hold, so it’s worth speaking with a lender about extended rate commitments early. Interest rates directly affect affordability, and the Bank of Canada’s policy rate decisions influence the mortgage market that buyers borrow into, with even modest rate movements changing carrying costs on a home that may not close for a year.
Programs administered through the Canada Mortgage and Housing Corporation and tools such as the First Home Savings Account can ease the path to ownership, and the Financial Consumer Agency of Canada offers unbiased guidance on mortgage products worth reviewing before borrowing. New homes are also subject to HST, though buyers may qualify for a new housing rebate depending on price and intended use, so it’s worth confirming eligibility with the Canada Revenue Agency and a real estate lawyer. Property taxes, set through the City of Ottawa, apply once possession begins and are based on assessed value.
Jason Polonski has spent more than 15 years guiding buyers across Kanata, Stittsville, Barrhaven, Carp, Dunrobin and the wider Ottawa region through both resale and new construction purchases with Right at Home Realty. That background, paired with a working knowledge of construction and building systems, helps buyers read between the lines of a builder’s offer and time a new build purchase against the sale of a current home.
New construction looks straightforward in a model home, but the contracts, timelines and hidden costs reward buyers who go in informed. Ottawa’s west-end communities each have their own builders, development patterns and lot characteristics, and knowing which projects deliver lasting value takes local, on-the-ground experience. Whether the plan is a Stittsville townhome or a custom build near Carp, Jason works directly with buyers from contract review through the final walkthrough to make sure their interests are represented at every stage.
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Vatrul “Vatrul”0 days agoTrustindex verifies that the original source of the review is Google.
First time home seller. Every process of the journey was explained and laid out perfectly.. Very highly recommended.. thank you Jason..Posted on Google![]()
Olga V.1 days agoTrustindex verifies that the original source of the review is Google.
Jason is very knowledgeable realtor in Kanata. He’s been always good beyond to help his clients. We had a place experience buying a house in Kanata. I highly recommend him.Posted on Google![]()
Yuri Tsouker8 days agoTrustindex verifies that the original source of the review is Google.
Working with Jason on the sale of my property was genuinely one of the smoothest professional experiences I've had. He was responsive at every step, patient with every question (and I had many), and he clearly knew the local market inside and out. My sale wasn't a simple one — there was a tenant, a rental water heater, a plumber to coordinate, and plenty of complications that made this a genuinely difficult case. Jason handled all of it with calm, practical advice and always got back to me quickly, often with a solution before I even finished asking about the problem. What stood out most was his honesty. He didn't push, he didn't overpromise, and every recommendation he made turned out to be exactly right. I felt like I had a professional in my corner from day one. If you're looking for a realtor who is knowledgeable, responsive, and genuinely trustworthy, I can't recommend Jason highly enough. Thank you, Jason — much appreciated!Posted on Google![]()
Denis Pepin32 days agoTrustindex verifies that the original source of the review is Google.
Outstanding Experience with Jason Polonski! Last May, my wife and I sold our home in Stittsville with Jason Polonski, and we couldn't be happier with our decision. Jason made the entire process remarkably smooth and stress-free. From day one, Jason stood out for his exceptional communication. He was always prompt and available to answer our queries—often within minutes—no matter the time of day. Whenever we had questions regarding paperwork, listing strategies, or handling property details, he addressed every concern with a truly genuine, human touch. What impressed us most was how proactive and reassuring he was at every step. When we had to coordinate the buyout of our water heater rental, Jason handled the reimbursement seamlessly, reassuring us with, "We should have a smooth sale now. :)"—and it truly was! Even post-closing, when we needed to arrange delivery for mailbox keys or track down final funds from head office, Jason stayed on top of every detail, putting a rush on things and constantly keeping us updated. Jason is a dedicated, attentive, and highly professional realtor who genuinely cares about his clients. It has been an absolute pleasure working with him, and we highly recommend Jason Polonski to anyone looking to buy or sell a home in the Ottawa region.Posted on Google![]()
Tammy Puhakka41 days agoTrustindex verifies that the original source of the review is Google.
I highly recommend Jason Polonski, a realtor in Kanata, Ottawa. He truly went above and beyond for me. During a long weekend, he called me and, within just two hours, had an offer to purchase prepared and sent so I could secure the home I had found and fallen in love with. Jason was professional, efficient, knowledgeable, and incredibly pleasant to work with. His rates are very reasonable, and his dedication to his clients is outstanding. If you’re looking for fast, reliable, and friendly service, I would absolutely recommend contacting him.❤️Posted on Google![]()
Joe Melindy46 days agoTrustindex verifies that the original source of the review is Google.
Everything went smoothly. Jason is very good at what he does. Would highly recommend. Thanks Jason 😊Posted on Google![]()
Julianne Robert81 days agoTrustindex verifies that the original source of the review is Google.
Jason recently helped me and my family find a home and we were extremely happy with our experience. He did everything he could to secure us the best property, was always readily available and had a lot of knowledge on the house buying process. My family would highly recommend him.Posted on Google![]()
Shawnae Mutch83 days agoTrustindex verifies that the original source of the review is Google.
Buying our first home was a huge milestone for us, and we genuinely couldn't have asked for a better person to guide us through it than Jason. From day one, he made the entire process feel so much less overwhelming. What could have been a stressful experience was instead exciting, enjoyable, and honestly a lot of fun. He has a great sense of humour and a way of keeping things light when needed, while still being incredibly thorough and professional. One of the things we appreciated most was how much he genuinely cared about finding us the right home. He wasn't just trying to help us buy a house, he wanted to make sure we were making a good decision. He took the time to point out things we never would have noticed ourselves, shared insights about the homes we viewed, and was always looking out for potential issues that could become headaches down the road. It was obvious that he wanted us to end up somewhere we'd be truly happy, not just somewhere that checked a box. He also listened. Every preference, every must-have, every little detail we mentioned along the way was remembered and taken into consideration. We never felt pressured, rushed, or like we were compromising on what mattered to us. On top of that, he was incredibly responsive and always on the ball. Whether it was answering a last-minute question, booking a showing, or helping us navigate the next step, he was always there when we needed him. We felt supported every step of the way, and that's not something we'll forget. If you're looking for a realtor who is knowledgeable, honest, hardworking, and genuinely invested in his clients, we can't recommend Jason enough. We are so grateful for everything he did to help us find our home.Posted on Google![]()
Jeff Black91 days agoTrustindex verifies that the original source of the review is Google.
We had the absolute pleasure working with Jason for the Sale and Purchase of our new home. We are repeat clients of Jason and for good reason. Jason has always been Polite, Punctual, Detail Oriented and always put our best interests first and made the process easy and stress free. You will not find a better Realtor. Thank you again Jason, you are the best!Posted on Google![]()
Stonewall Jackson94 days agoTrustindex verifies that the original source of the review is Google.
Jason Polonski was fantastic in helping us sell our family home. He’s professional, experienced, and driven by common sense, making the whole process smooth and stress-free. Highly recommend!
No, but it’s strongly recommended. Builder sales representatives work for the builder, not the buyer, and a realtor reviews the agreement, flags unfavourable clauses, and represents the buyer’s interests through closing, typically at no direct cost since compensation is built into the builder’s sales model.
Yes. Every new home in Ontario must be enrolled with Tarion and built by a builder licensed through the Home Construction Regulatory Authority. Coverage is tiered, with one year for defects in work and materials, two years for major systems and water penetration, and seven years for major structural defects.
Most production homes in Kanata, Stittsville and Barrhaven move from contract to closing over a period of several months to more than a year, depending on the builder, model and season. Custom builds generally take longer, and builders can adjust closing dates, so buyers should plan for some flexibility.
Yes. New homes are subject to HST, unlike most resale properties. Many buyers qualify for a new housing rebate that can offset part of the cost, though eligibility depends on the purchase price and intended use, so it’s worth confirming details with a lawyer.
Builders typically require staged deposits tied to construction milestones rather than a single lump sum. These deposits are protected within set limits under Tarion’s deposit coverage rules if the builder defaults before closing.
It’s the formal walkthrough before taking possession, where buyers document every deficiency on the official Tarion form. Items recorded here are far easier to have the builder correct than issues raised after closing, and bringing a realtor or professional inspector along is a common practice.
Common additions include lot premiums, design centre upgrades, development charges, the Tarion enrolment fee, HST, legal fees and builder closing adjustments. Upgrades and adjustments are usually the largest variables, so it’s worth asking for these to be capped in the contract wherever possible.
Ottawa’s west end leads new development, with active subdivisions and infill projects in Kanata, Stittsville and Barrhaven, plus custom-build opportunities near Carp and Dunrobin. Each community has its own builders, lot characteristics and pricing, which is where local knowledge makes a difference.