Ontario and the federal government are moving to temporarily expand the Ontario HST rebate on new homes, effectively removing most or all of the 13% HST on many newly built properties for one year for eligible buyers. This builds on the existing Canada GST/HST New Housing Rebate and the newer First-Time Home Buyers' (FTHB) GST/HST rebate.

For Southern Ontario and the Greater Toronto Area (GTA), this expansion has the potential to pull forward demand — especially for pre-construction low-rise and mid-rise product — while modestly improving affordability. Over the medium term, the measure could increase new-home sales absorption, support additional housing starts, and improve project viability in markets such as Milton, Mississauga, Oakville, Burlington, and surrounding Toronto suburbs.

2. Understanding the HST Rebate on New Homes

Canada's GST/HST New Housing Rebate allows individuals to recover part of the GST or the federal portion of HST paid on a new or substantially renovated home that will be used as their or a relation's primary place of residence. In harmonized provinces like Ontario, a separate provincial rebate can also apply to the provincial portion of HST.

The Federal Component

At the federal level, the standard new housing rebate historically applied in full up to a certain price point, then phased out as the home's fair market value approached a prescribed threshold — with no rebate above that ceiling.

The Ontario Provincial Component

Ontario's existing provincial new housing rebate for owner-occupied homes allows recovery of up to 75% of the 8% provincial component, typically capped at $24,000, and is available even when the federal rebate is lost solely because the property value exceeds the federal $450,000 threshold.

How HST Is Handled at Closing

When buying from a builder in Ontario, HST is usually included in the advertised purchase price. The builder either:

• Credits the rebate at closing, reducing the amount payable; or
• Leaves the buyer to apply directly to the Canada Revenue Agency (CRA) using specific forms

In practice, most purchasers experience the rebate as a built-in reduction to their HST cost at closing — rather than as a separate refund cheque — though the legal entitlement and paperwork remain with the buyer.

3. What Has Changed in Ontario

The Ontario government has announced that, in partnership with the federal government, it intends to temporarily expand the HST rebate so that all Ontario buyers of qualifying new homes — not just first-time buyers — can benefit from significantly enhanced relief.

Policy makers have framed this expansion as part of a broader effort to reduce housing costs, spur new construction, and support economic activity in the homebuilding sector — which remains below the pace needed to reach Ontario's target of 1.5 million new homes over ten years. The province estimates the joint federal-provincial initiative could deliver nearly $2.2 billion in combined tax relief for housing.

4. Who Qualifies for the Rebate

Eligibility under the Canada GST/HST New Housing Rebate framework is rooted in CRA rules. Here's a clear breakdown:

You Qualify If You Are:

• An individual (not a corporation or partnership)
• Purchasing a qualifying property to use as your or a relation's primary place of residence
• Buying a new detached home, townhouse, condo, duplex, or mobile home from a builder
• Signing the Agreement of Purchase and Sale within the one-year eligibility window

First-Time Buyers — Additional Layer Available

The First-Time Home Buyers' (FTHB) GST/HST Rebate adds an additional layer for qualifying first-time buyers, eliminating or reducing the federal portion of HST on new homes up to $1.5 million. It works in tandem with the standard new housing rebate — first-time buyers can effectively layer both programs for even greater savings.

Importantly, the measure is expected to apply both to owner-occupiers and to investors purchasing new residential units for long-term rental use, so long as the properties are used as primary residences by the occupants — aligning with existing "primary place of residence" concepts in CRA guidance.

5. How the Rebate Is Applied in Practice

For most buyers in Ontario, the HST rebate is experienced at closing when buying from a builder. Builders commonly include HST in the purchase price and either:

• Credit the rebate to the buyer at closing, reducing the final cash needed (buyer assigns their rebate entitlement to the builder, who claims it from CRA)
• Charge the full HST, leaving the buyer to apply to CRA for the rebate using Form GST190 and related schedules

The expanded Ontario HST rebate new homes policy is expected to follow a similar operational pattern. The buyer's benefit arises either as a reduced purchase-price HST burden or as a post-closing refund — but in both cases, the net effect is lower tax cost on the new home.

Claiming the Rebate Directly

To claim rebates directly, buyers must:

• Submit the appropriate CRA forms within defined deadlines
• Provide documentation including Agreement of Purchase and Sale, statement of adjustments, and proof of occupancy
• Ensure property value and occupancy conditions match the requirements
• Where the FTHB rebate also applies, layer it on top of the standard rebate to maximize federal HST savings

6. How Much Can Buyers Save?

The announced Ontario expansion implies significantly larger potential savings than the traditional provincial cap of $24,000, particularly for homes up to $1 million where the full 13% HST could effectively be rebated.

For many purchasers in the Milton Ontario real estate market or Mississauga housing market, the ability to reduce or eliminate a five- or six-figure HST bill on a new home can meaningfully lower upfront cash requirements and overall borrowing needs. In particular, this may improve the feasibility of moving from a condo to a new low-rise home, or from renting to owning a pre-construction unit, during the one-year window.

7. Potential Impact on the Ontario Housing Market

Tax incentives of this scale tend to affect both the timing and composition of housing demand. In Ontario's case, the temporary nature of the expanded HST rebate is likely to pull forward demand for new homes into the April 2026–March 2027 period, as buyers and developers seek to sign purchase agreements within the eligibility window.

• Pre-construction sales absorption rates could increase, particularly for projects that were marginal under previous pricing assumptions
• The province estimates ~8,000 additional housing starts and support for more than 20,000 jobs
• A projected boost to Ontario's real GDP growth is also anticipated

Over the medium term, by improving project viability and accelerating launches that might otherwise be delayed, the policy could help add supply to the new-home pipeline — particularly in higher-cost urban and suburban centres. Whether this translates into sustained affordability gains depends on broader macroeconomic conditions, construction capacity, and how quickly new supply reaches occupancy.

8. Potential Impact on the GTA Housing Market

The expanded Ontario HST rebate new homes policy is likely to have differentiated impacts across GTA sub-markets.

Milton, Oakville, Burlington & Toronto Suburbs

In these communities, where new low-rise and mid-rise family housing remains a key growth segment, the ability to remove or significantly reduce HST on new units could make pre-construction townhomes and detached homes more attractive relative to resale alternatives. These markets also benefit from proximity to Toronto employment hubs while offering comparatively larger homes — making them natural targets for policy-induced demand.

Mississauga & Mature Suburban Nodes

Mature suburban nodes with substantial condominium pipelines may see increased interest in new condo launches, especially where pricing has inched toward the $700,000–$1.2 million range. For these buyers, HST relief can materially lower effective acquisition costs — particularly when combined with the FTHB GST/HST rebate for qualifying first-time purchasers.

Investors Acquiring for Rental Use

Investors acquiring new units for long-term rental could also find projects more feasible — provided they meet primary-residence criteria for tenants and navigate the separate New Residential Rental Property Rebate framework. They will need to carefully assess eligibility, holding-period requirements, and potential clawbacks, as well as local rent regulations and operating costs.

9. Market Context: Southern Ontario Housing Conditions

The expanded HST rebate arrives against a backdrop of:

• Elevated but stabilizing interest rates
• Slower resale volumes than during the pandemic boom
• Ongoing supply constraints in many parts of Southern Ontario
• Strong population growth and immigration — particularly in the GTA and surrounding regions — maintaining long-run demand for both ownership and rental housing

In this environment, tax incentives interact with broader macro forces in complex ways. On one hand, reducing the tax burden on new homes can improve debt-service ratios and down-payment feasibility for households that already have income and savings sufficient to qualify under current mortgage-stress rules. On the other, if rate cuts remain modest and construction costs stay elevated, the rebate may primarily influence which projects proceed and when buyers choose to commit — rather than fundamentally altering affordability for households at the margin of ownership.

10. Strategic Insights for Buyers, Sellers & Investors

For Buyers

For buyers considering newly built homes in the Milton Ontario real estate market, Mississauga housing market, Oakville real estate market, Burlington Ontario housing market, and other GTA communities, the one-year window for enhanced HST relief creates a clear timing incentive. Buyers who can organize financing, due diligence, and product selection to sign agreements within the eligibility period may achieve substantial tax savings — particularly for homes priced up to $1.5 million.

• Evaluate whether you also qualify for the FTHB GST/HST rebate to further reduce federal HST
• Work with your mortgage broker to model the full impact on your down payment and debt servicing
• Prioritize pre-construction opportunities where the rebate can be credited at closing
• Confirm your Agreement of Purchase and Sale is signed within the April 2026–March 2027 window

For Developers & Builders

For developers and builders, the policy can improve presale absorption and project economics, especially for projects that were marginal under prior assumptions or facing slower sales velocity. Projects that can launch or re-position with pricing that maximizes buyer access to the full $130,000 relief may be particularly well-placed in the Western GTA and broader Southern Ontario corridor.

However, there is also a risk that some of the rebate is capitalized into higher prices if supply remains constrained and demand surges — so pricing strategy and product mix will be important.

For Investors

For investors focused on new residential rental units, the expanded rebate — combined with existing New Residential Rental Property Rebate mechanisms — could improve after-tax returns and support more purpose-built rental supply. Investors will need to carefully assess eligibility, holding-period requirements, and potential clawbacks, as well as local rent regulations and operating costs.

11. Frequently Asked Questions (FAQ)

Key questions buyers, sellers, and investors are asking about the Ontario HST rebate expansion: