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    The Open Door Blog


Whether you own a new home or condo, are considering buying one, or just love to dream about it, the Open Door blog is here to share stories that can help you protect what is likely the biggest investment of your life.

The Open Door blog is published by Tarion, a non-profit corporation that administers Ontario’s New Home Warranty Plan and registers all new home builders in Ontario. Click here to learn more about us.


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A renovation for Ontario’s Construction Performance Guidelines
February 14, 2019
Construction workers discussing blueprints with cardboard mini house cutout in foreground

For most Ontarians, the start of a new year means it’s time for a new look – whether it’s a fresh haircut, or trying out that new shawl you opened on Christmas morning.

Here at Tarion, we couldn’t agree more – and that’s why we picked January 1 to roll out some big changes to the Construction Performance Guidelines for Freehold Homes and Condominium Units (commonly known as the “freehold CPGs”).

Construction Performance Guidelines new coverIn addition to outfitting the PDF with a sleek new cover, we’ve also changed some of the content found inside the CPGs – making important updates to several sections, and even adding two brand-new articles. These updates are a result of the public consultation that is part of the ongoing review of the CPGs. A full summary of the changes can be found on this page – but you’re probably wondering: who came up with these?

For those blog readers who may not be familiar, let’s start with a quick CPGs crash course.

What are the CPGs and who are they intended for?

Tarion’s CPGs provide measurable benchmarks that may be used to determine whether a condition – such as a warped interior door or a basement concrete crack – is covered under the statutory new home warranty. Conditions related to condominium common elements are addressed in a separate CPG document: Common Element Construction Performance Guidelines.

When Tarion’s Warranty Services Representatives perform conciliations, they use the CPGs to guide their decisions on whether items are warranted.

For homeowners and builders, the CPGs can be a helpful source of general warranty knowledge – one that can be referred to before a dispute begins. That’s why we make it available free of charge in several formats.

For readers who are brand-new to the CPGs, we recommend checking out Home Explorer – a user-friendly tool combining the full content of the freehold CPG with full-colour illustrations that present each article within the context of a simulated home.

Who writes CPGs articles?

While Tarion publishes the CPGs and finalizes changes, we couldn’t do it alone. In fact, almost every article in the CPGs was developed with the help of qualified organizations and individuals in the building industry who draw upon their insights and experience to help us make the CPGs more helpful and effective.

How can I get involved?

This year’s changes to the Construction Performance Guidelines for Freehold Homes and Condominium Units are just the first outcome of a public review that has been ongoing since July 2017. Participants of the review are asked to either:

  • Describe any changes they would like made to article(s) in the CPGs; or
  • Share ideas for new item(s) they would like to see added to the CPGs.

Information from those submissions will be considered by Tarion when it’s time to plan upcoming revisions and updates. If you have ideas, we would be delighted to read them!

The goal of this blog is to provide you with general information about the warranty process by sharing real experiences from new homeowners. The blog should not be relied upon as legal advice. For privacy reasons, we will not address or resolve current cases in a public forum, so any comments or questions that are posted on this site that describe individual cases cannot be discussed. If you have a question about your warranty or Tarion generally, we would be pleased to discuss your issue, in the context of your particular circumstances and in confidence. We exercise reasonable care to avoid offensive, illegal or defamatory content from being posted, as well as comments that are intended solely for self-promotion or considered to be spam.