blog-banner

Are you looking for a contractor?

Submit our quick form and get quotes now!

Table of Contents

What you should know before adding a floor to your home

add a new floor to a house
add a new floor to a house

What you should know before adding a floor to your home

Exterior renovationsWhat you should know before adding a floor to your home

There are several reasons that may motivate a homeowner to consider adding a floor to their home. A growing family or a desire to rent the new floor and enjoy the additional income are definite reasons behind such an important decision. The desire to avoid moving, as well as the need to enjoy a larger living space both seem like other relevant options. For some homeowners, this state of affairs indicates the need to expand the home through the construction of an additional floor.

Nevertheless, there are many factors to consider before undertaking such a project. To better understand this large-scale approach, here are the important things to know about adding a floor to your home.

Steps to add a new floor to a house

add a new floor to a house

Source : Canva

The first step to taking on this renovation project is the necessity to contact the municipal authorities to learn about the regulations surrounding the addition of a floor to an existing home. Certain municipalities will prohibit this type of project due to specific zoning provisions.

In order to obtain the necessary building permit before beginning your renovation project, it is necessary for you to submit a file to your municipality, detailing all the work you plan on completing. Although some variations may be required depending on the records, these are the following documents that are generally required:

  • A copy of the location certificate;

  • A detailed description of the work;

  • Plans describing the work done;

  • An assessment of the costs of the work

Not that it is difficult to predict how long a case may take to study, and therefore, cases may vary greatly from one municipality to another. In the worse case scenario, it can take up to six months. Be careful when preparing your file, as missing documents can significantly extend the processing time.

In the same vein, you should know that regulations can differ greatly depending on the municipality. It is therefore impossible for us to offer more details about the municipal laws in place. In any case, it will be necessary that the style of the new architecture of your building fits in with the rest of the neighbourhood.

Regarding the neighbourhood, it would be a good idea to be courteous and inform your neighbours of your intention to renovate. Indeed, work of this magnitude will cause their share of dust, as well as plenty of noise.

The costs involved when adding a floor to your house

add a new floor to a house

Source : Canva

Bear in mind, adding a floor to your home is particularly expensive. Overall, the total amount will likely be between $170,000 and $300,000. It should be noted that some price differences exist depending on the characteristics of the different rooms on the floor.

In terms of price per square foot, the amount should vary between $200 and $400.

However, it should be noted that the price quoted may vary depending on a number of factors, such as the structure of the house, the exact dimensions of the extension, access to the lot, the architectural details of the extension and the materials used as well as the number of employees completing the job. For Montreal-specific renovations, some areas will ask that you pay a tax equivalent to 10% of the value of the land when adding a floor to your home.

Despite the fact that the majority of projects undertaken are turn-key, some owners should consider completing part of the work by themselves, and these jobs may include painting, laying gypsum and drawing joints. This option will reduce the total amount your renovation will cost by several thousands of dollars and can be an interesting option for the owner who has the manual skills to carry out this work properly. In this case, it is recommended that you use a contractor at the very least for the construction of the structure, the roof, as well as the expertise of electrical and plumbing installations.

Building a new floor = added value?

At first glance, adding a floor seems to be beneficial in terms of the resale price of your property. Nevertheless, it is crucial to make a nuance in relation to the value added by this new floor. Given the major investment that such a renovation project requires as well as the consideration of your area of residence, it may be that the project is not worth the effort.

Indeed, if your home is located in a neighbourhood where homes are relatively modest, such a house is unlikely to attract buyers. If the selling price is much higher than the rest of the houses in the area, this will not be an advantage. 

Checklist of the Steps to Follow: Home Addition Project Guide

Get 3 renovation quotes for your home addition project

RenoQuotes.com can help you get quotes for. By submitting your home addition project to us, we’ll put you in contact with top-rated contractors. Fill in the form on the homepage (it only takes a few minutes), and you will get estimates from trusted professionals.

Dial 1-844 828-1588 to speak with one of our customer service representatives

Get 3 free quotes for your project!

Submit a project and get 3 free quotes!


Last modified 2024-05-09

List of sources


Get 3 free quotes for your project!

Submit a project and get 3 free quotes!

Looking for something else?


Table of contents


Get 3 free quotes for your project!

Submit a project and get 3 free quotes!

Are you a contractor?

Join our network and receive real leads!

Download the price guide for renovations

We’ll be emailing you the latest market price guide for renovations.



Related articles

The latest industry news, interviews, technologies, and resources.

10 min read

RenoQuotes.com • 26 Apr 2024

Effective Ways to Unclog a Septic Tank

Foul smells, poorly draining water, loud and strange pipe noises, overflowing content… Septic tanks rely on a system that’s more susceptible to damage than a municipal sewer network, so you have to be mindful of how waste is disposed of and pay special attention to the slightest warning sign that there might be an issue with the system.

7 min read

RenoQuotes.com • 15 Apr 2024

Elevate Your Outdoor Experience with a Balcony Awning

Are you yearning for the ultimate outdoor experience this summer? Look no further than a patio or balcony awning, a perfect solution that fulfills both your practical requirements and aesthetic desires. By selecting the perfect model, you can revel in its multitude of advantages, basking in shade and protection from the scorching sun during heatwaves, while also reaping the benefits indoors as your AC unit enjoys a well-deserved respite.

5 min read

RenoQuotes.com • 07 Nov 2023

10 Tiny House Interior Design Ideas

Are you dreaming of living in a tiny house, but have a few reservations due to the constraints of designing such a limited interior space? Although you really need to use your imagination when living in a house when a modest layout, you can still make it just as practical as it is cozy! Here are a few examples you’ll surely like!

4 min read

RenoQuotes.com • 07 Nov 2023

Five Things to Do Before you Renovate Your Home | Renovation Quotes

In order for a renovation project to go well, it is essential to attach great importance to the planning stage. If many of us agree with that statement, what exactly is the specific task at hand?

3 min read

Cynthia Pigeon • 07 Nov 2023

Renovation Inspiration: 7 Toilet Types

Are you looking to switch out your old toilet for an upgraded and more efficient model? If you are not overly excited about this upcoming purchase, note that it is nonetheless a major one!


Looking for a contractor?

Submit a project and get 3 free quotes now!