By Jordan Omstead
The brand new modifications would roll again municipal enhanced improvement requirements that require builders to enhance park entry, add tree cover, set up electrical vehicle-ready parking spots, apply bird-friendly window coating or implement different obligatory sustainable design options past what’s set out in Ontario’s constructing code or required to keep up well being and security.
Municipal Affairs and Housing Minister Rob Flack says the proposed modifications outlined in final week’s transit and housing invoice will assist to standardize constructing necessities and get houses to market quicker and extra affordably.
However critics argue that additional rolling again inexperienced requirements will block municipalities from a software to make their communities extra livable and resilient to local weather change impacts, from excessive warmth to flooding. On the similar time, they are saying, the change could pad the income of some builders, broaden using pure fuel and saddle house and constructing homeowners with future retrofit prices.
Halton regional councillor Jane Fogal known as it a “intestine punch.” She mentioned Halton Hills, like different municipalities, took up a inexperienced customary partly as a result of the province’s constructing code was lagging behind on sustainable design and power effectivity.
“We’re getting a greater product for the those that purchase the homes. A home that’s higher constructed, that’s extra environment friendly, that’s more cost effective for them to function,” mentioned Fogal. “There’s nothing to say that you’re going to get a greater city if the builders can simply do no matter they need to do.”
Ontario took a run at inexperienced requirements in 2025 housing laws that yielded contradictory interpretations. Some business teams mentioned final yr’s modifications would finish inexperienced requirements, however Toronto concluded it retained the flexibility to implement its guidelines.
That got here after former housing minister Steve Clark, who resigned over the Greenbelt controversy, had walked again elements of a 2023 housing invoice and voiced his help for the targets behind inexperienced requirements after critics mentioned it could restrict municipalities’ powers to implement them.
This newest invoice appears to place the confusion to relaxation. Below the proposed modifications, municipalities not solely can’t use inexperienced requirements to mandate how a constructing is designed, however additionally they can’t apply them to options outdoors a constructing, akin to landscaping or parking, mentioned provincial officers who briefed reporters on the laws final week.
In a press release, the minister’s spokesperson Michael Minzak mentioned “by making municipal enhanced design requirements voluntary and reviewing website plan broadly we’re serving to to get shovels within the floor by enhancing mission viability and reducing prices for homebuyers.”
The laws additionally blocks Toronto from requiring EV-ready parking spots in new builds, a measure the Ford authorities stripped from the provincial constructing code shortly after it got here to energy. Municipal plans would additionally not be required to incorporate targets and actions to chop planet-warming emissions or present for local weather change adaptation.
Some improvement teams say a patchwork of inexperienced requirements added complexity to the approvals course of and drove up constructing prices. The Residential Development Council of Ontario, one of the crucial vocal critics, sued Toronto over the usual in a case nonetheless earlier than the courts.
“We see Invoice 98 as hopefully the ultimate chapter in making this totally clear that municipalities should not have the precise to unilaterally and individually go off and create their very own inexperienced constructing requirements,” mentioned the group’s president Richard Lyall.
Former Toronto mayor David Miller, who helped convey within the metropolis’s inexperienced requirements, known as the province’s try and scrap them an “personal objective in opposition to serving to to safe our communities’ future.”
“Chopping corners on new building locks in increased power payments, larger dangers from warmth waves and flooding and costly retrofits down the street — prices that may finally be borne by residents,” he mentioned in a press release.
A 2017 Toronto employees report estimated town’s present requirements would add about 2.1% to three.5% to the price of new residential and business workplace buildings in comparison with these constructed solely to the minimal necessities of the provincial constructing code.
The added upfront value for a mean Canadian net-zero constructing might be nearer to round eight per cent, however include potential life-cycle value financial savings because of power effectivity good points and fewer reliance on fossil fuels, based on a 2019 report from the Canada Inexperienced Constructing Council.
Greater than a dozen Ontario municipalities have adopted inexperienced requirements since Toronto launched its program in 2010.
Toronto’s customary requires new builds to supply EV-ready parking spots in new builds together with bike parking in mid- and highrise developments. To assist stave off excessive warmth and concrete warmth islands, it additionally encourages extra tree cover and pavement that displays extra daylight. Landscaping should embrace native vegetation and home windows must be handled to stop hen collisions. New buildings are additionally required to mannequin their power use and meet sure emissions benchmarks.
None of these options are required by the province’s constructing code. Toronto’s present requirements progress in predictable steps. Extra stringent voluntary steps will finally change into obligatory for builders as town works in direction of a 2040 objective to decarbonize all new buildings.
A number of different cities within the GTA, together with Brampton and Markham, use a points-based system. Power effectivity, EV-ready parking spots, tree cover and higher waste administration will rack up factors, however builders have some flexibility in how they meet the minimal necessities.
Buildings account for round one-quarter of Ontario’s emissions and greater than half of Toronto’s, largely due to gas-powered electrical energy and heating.
The proposed modifications strip cities of a software to design their communities based mostly on these native wants, mentioned Evan Wiseman, a senior local weather coverage supervisor at The Atmospheric Fund.
“These modifications will enhance the revenue margins for builders, however our communities will undergo. It’s unlucky as a result of loads of good builders will proceed to construct nicely, they’ll proceed to do the precise factor, but when a developer doesn’t care, then there isn’t any approach for the municipality to intervene now,” mentioned Wiseman.
“Extra (fuel) build-outs will happen, charges will possible go up and this is not going to meaningfully change how issues get inbuilt Ontario,” mentioned Wiseman.
Excessive inflation charges, rising building prices, labour shortages and tariff-related financial uncertainty have all contributed to a slowdown in Ontario house building. Housing costs are falling, and a current TD report suggests the GTA is the province’s weakest market.
Municipal website plan-related delays are costing Ontario’s economic system $3.5 billion per yr, based on one other current examine. However the Ontario Affiliation of Architects, the group that commissioned the examine, says inexperienced requirements usually are not what’s fuelling that delay.
On the contrary, some argue the inexperienced requirements simplify approvals by bringing completely different design necessities beneath one coverage.
“I believe most builders are as fascinated by good outcomes as anybody else is. And I simply noticed no proof that developments approvals are slowed due to this,” mentioned Giulio Cescato, the director of planning and concrete design with the Metropolis of Markham, which harmonized its program with three different GTA cities.
“If there’s a patchwork of measures, then it appears to me the apparent answer could be to standardize them slightly than remove them altogether,” mentioned Cescato.
As a part of the rollout of the brand new housing laws, the minister pledged to strike an advisory panel to do a full evaluate of the province’s constructing code.
The president of Ontario Affiliation of Architects, the career’s regulator within the province, says there ought to be a carveout for inexperienced requirements whereas that evaluate takes place.
In the meantime, the evaluate ought to take into account the inclusion of an power step code, president Lara McKendrick mentioned in a press release.
Step codes — such because the one adopted in British Columbia and that helped inform Toronto’s inexperienced customary — set out incremental performance-based power effectivity requirements that get tighter over time. In B.C., cities can undertake extra stringent steps forward of the minimal provincewide modifications.
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Final modified: April 7, 2026
