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Home Additions & Extensions

If your home is too small and you would like additional living space, consider adding a home addition (extension).

RENUIT has completed many types of home additions and in our experience, it generally costs less to build an addition than to move to a new house that is the same size as your current home plus the additional space you’re planning to add. Here is a rough outline of the process, which may be more complicated than you expect, particularly if you have an older home. (We can help with this part of the process.)

Check zoning!

Will your municipality let you? Does your square footage allow it? (There is a land-building-size ratio that must be adhered to).

Consult a designer

We can bring in a designer to consult with you and help come up with efficiency, workflow, and style ideas.

Get blueprints made

You will need blueprints with an engineered stamp of approval in order to get a building permit. We can connect you with our engineering partners.


Obtain building permits

Apply for variance permits if necessary. You will only need to do this if your project doesn’t fit within your municipality’s zoning for boundaries or height restriction.

Types of home ADDITIONS 

There are many ways to expand your home and RENUIT is experienced with all of them.

Conventional Home Addition

This type of addition involves adding one or more rooms to the house, to be connected from the inside. When it’s done well, it looks like it was always meant to be part of the house. Depending on what kind of house you currently live in, what sort of land you have, and zoning laws, you could:

  • Add another storey
  • Lift the house and put in a basement below
  • Add an attached garage (with or without additional living space above)
  • Add a ground-level extension at the side, back, or front of your home—this could be a couple of rooms, an expansion of one or more existing rooms, or a new entryway or mudroom

While this kind of home addition can be complex, time-consuming, and costly, it makes the home better for you and your family to live in and gives you more living space. It also tends to provide a fairly solid return on investment for eventual resale.

Bump Out

This is when you add some space, often to just one problematically small room, by creating a protrusion outward. Because these are simpler to create than a full addition, they tend to be more affordable projects. However, since they involve the building envelope, and may require cantilevering and other engineering tricks, you do need to get blueprints, building permits, and so on.

Legal Suite / Granny Suite / Secondary Suite

If you have a basement that you don’t use (or a large home with extra space), we can help you create a complete suite that you can use as a separate dwelling for a family member or friend, or rent out for additional income.


This is a room with lots of windows, with indoor-outdoor access but not heated/cooled. It’s often made of prefabricated aluminum and glass, assembled atop an existing deck or concrete slab, and smaller than a regular room addition.

A variation is the screened-in porch (with much less glass or even no glass) which is breezier and more outdoorsy.

And there is the four-season room, which is like a sunroom except with heating/cooling and insulation, so it’s usable all year.

Garage Conversion

This is a surprisingly common Comox Valley renovation project, possibly because of our mild winters that make it relatively painless to park vehicles outside. Since the garage is already attached to the house, and usually has electricity and windows, you can quite easily replace the overhead door with a wall, add insulation, flooring and a ceiling, and boom, you have a family room or bedroom.

Another option is to keep the garage as is, but add living space above it—another project that usually involves engineering to be sure the remodelled structure is sound.

Attached Garage

You can add a garage to your house if you don’t already have one (again, subject to bylaws and building permits). This could be a one- or two-car garage, as space permits, and could even have another storey above. If you are a keen hobbyist or sports enthusiast, you can use part of the garage as a workshop or storage for all your toys.

Accessory Buildings

These buildings are on your property, but not attached to the house. Generally you need a large lot for this option to be feasible, and of course, an approved building permit. Some of these are now considered a new build and will need a new home warranty. Possible options include:

  • Detached Garage / Workshop
  • Greenhouse
  • Carriage House (new build)
  • Pool House / Cabana (new build if there is living space involved)
  • Shed
  • Man Caves and She-Sheds

Book a Free Consultation

Planning a home renovation project can be an overwhelming task. Call us at (250) 792-3827 or contact us to schedule a free, 20 minute no-obligation consultation.