Cost Of A House Renovation in 2025

Home Addition

A house expansion is almost as complex as a new construction, with all the steps involved. It is therefore important to be well-advised, and to understand the costs that this type of project can generate.

Here is a table of the typical price ranges for a turnkey project.

Type of addition	Average cost
Story addition (turnkey)	$225 – $270/sq.ft
Garage addition (turnkey)	$180 – $215/sq.ft
Carport	$70 – $100/sq.ft
Home addition on piles (turnkey)	$225 – $270/sq.ft
Home addition on fondation/slab (turnkey)	$265 – $310/sq.ft
Sunroom (turnkey)	$225 – $310/sq.ft

See the details of the cost of a home addition in our corresponding article. And check out our Projects section to browse real home addition projects and get inspired.

If you wish to receive up to three quotes from home addition contractors, fill out our short form.

Garage Addition

Are you looking to add a separate or attached garage to your house? You will need the right garage construction professionals to complete your project.

Here are average prices for a garage addition, including construction, required materials such as those for the structure, the exterior cladding, the roof, the door, the windows, as well as the electrical, plumbing, and drain finishing materials for a turnkey project.

Type of garage	Average cost
Single car garage 12′ x 20′ (turnkey)	$51,500-$72,000
Two car garage 22′ x 20′ (turnkey)	$95,500-$132,000

Another possibility would be the construction of a permanent carport. If you wish to know the costs associated with this, we invite you to consult our page on carport construction.

If you want to receive up to three quotes from garage addition contractors, fill out our short form.

Balcony

Several elements must be taken into account when renovating a balcony. The type of materials used (wood, fibreglass, aluminum, concrete, etc.), the level of quality (from low-end to top-of-the-range from specialized suppliers), the design of the structure, the construction and strengthening of it (nails, thickness of materials, etc.), the addition of railings and stairs, as well as the treatment of materials to ensure their durability. There is a type of balcony for all needs and budgets.

Here is a table showing average prices per square foot by materials, which include all the elements mentioned above.

Type of balcony	Average cost
Fiberglass	$55/sq.ft (without base structure) $65/sq.ft (with base structure)
Treated Wood	$65/sq.ft (without base structure) $80/sq.ft (with base structure)
Cedar	$85/sq.ft (without base structure) $100/sq.ft (with base structure)
Roasted Wood	$75/sq.ft (without base structure) $85/sq.ft (with base structure)
Composite Wood	$85/sq.ft (without base structure) $95/sq.ft (with base structure)
Concrete	$70/sq.ft (without base structure) $85/sq.ft (with base structure)

See the details of the price of a balcony renovation in our related article. And to receive up to three quotes from balcony project contractors, fill out our short form.

Heating

Whether it’s to warm up in chilly weather or keep cool on hot days, it’s important to opt for the best value for money when choosing a heating or air conditioning system. It can be useful to get the help of an impartial advisor, who can assess your needs and recommend the best system for your home.

Here is a list of average prices for the most popular air conditioning systems. These prices include the device(s), additional parts, installation, and startup costs. Total cost can vary depending on the brand and cooling capacity.

Air conditioning system	Average cost
Replace an electric baseboard	$180 – $240
Add an electric baseboard	$360 – $600
Add a humidifier (integrated into the system)	$960 – $1 440
Add an air exchanger	$2 160 – $2 400
Add ventilation ducts (central heat pump)	$6 000 – $7 000$ + Gypsum
Add a wall-mounted air conditioner (for 1 room)	$3 360 – $4 200
Add a central heat pump system	$8 500 – $20 000
Replace an electric hot water boiler	$2 760 – $3 600
Convert an oil boiler to an electric one	$4 440 – $5 400
Replace a gas furnace with an electric system	$4 200 – $6 600

If you wish to replace your heating system with a more environmentally-friendly and energy-efficient one, you could lower your final bill thanks to the Chauffez Vert program.

To receive up to three free quotes from HVAC contractors, fill out our short form below.

Kitchen

Renovating a kitchen is one of the most popular and stimulating renovation projects. It also generates a very good return on investment. The complete process, from design to final realization, however, requires more involvement than other types of projects, but the efforts are always rewarded. With good planning and expert advice, you’ll maximize your chances of a happy renovation project!

Here is a table which summarizes the average prices of a kitchen renovation. This was compiled using analysis of thousands of quotes received for our clients over the years. After all, budget planning is one of the most crucial steps.

Type of kitchen	Average cost
Low-Range	$19 000 +
Resurfacing only	$23 000 +
Standard custom	$27 000 +
Mid-Range	$40 000 +
High-End	$50 000 +
Luxury	$60 000 +

*Note that prices are indicative based on a 10′ x 10′ kitchen.

If you wish to receive up to three quotes from specialized contractors, fill out our short form. And to get inspired by real kitchen renovation projects carried out by contractors recommended by RenoAssistance, check out the Our Projects section.

French Drain

A French drain is almost as useful as the exterior cladding and roofing when it comes to keeping you dry and protecting you from water infiltrations. The replacement of a French drain can also involve replacing the waterproofing membrane applied to the foundation of the house. It’s kind of an extra protection for your home.

Type of work	Average cost
Drain + Waterproofing	$160
Window well	$500 each
Large crack repair	$800 each
Small crack repair	$400 each
Submersible pump for basement	$2 000
Water outlet/entrey/sewer	$6 000 – $8 400

To see the price of a French drain replacement, we invite you to consult our article What is the cost of a French drain?.

Replace your French drain

Masonry

A well-done masonry facade can last up to 100 years. It is therefore essential to find the right mason who can build solid foundations for you and ensure longevity for your house, while avoiding future structural problems.

Here is a list of certain types of masonry work. The prices are based on the average of several companies and thousands of quotes received.

Masonry work	Average cost (including materials & labour)
Repointing	$25/sq.ft.
Bowing	$55 – $65/sq.ft.
New brick installation	$55 – $65/sq.ft.
Ledges	$500 – $800 each
Lintels	$960 – $2,500 each
Plastered foundation	$1500 – $2500 for a standard house

Windows & Doors

Let the light into your house! You may be eligible for grants if you opt for energy-efficient windows that will also save money on your energy bill! Ask our advisors how you could benefit from these discounts today!

Cost of PVC windows (including installation)

Type of building	Average cost
Bungalow (10 windows)	+/- $14,400 to $21,600
Cottage (14 windows)	+/- $20,160 to $28,800
Duplex (16 windows)	+/- $22,800 to $32,400
Triplex (20 windows)	+/- $28,800 to $44,400
6 units (30 windows)	+/- $43,200 to $63,600
24 units (75 windows)	+/- $108,000 to $150,000

Cost of aluminum windows (including installation)

Type of building	Average cost
Bungalow (10 windows)	+/- $20,000 to $25,000
Cottage (14 windows)	+/- $28,000 to $35,000
Duplex (16 windows)	+/- $32,000 to $40,000
Triplex (20 windows)	+/- $40,000 to $50,000
6 units (30 windows)	+/- $60,000 to $75,000
24 units (75 windows)	+/- $150,000 to $187,500

Cost of of Hybrid Windows (including installation)

Type of building	Average cost
Bungalow (10 windows)	+/- $15,000 to $20,000
Cottage (14 windows)	+/- $21,000 to $28,000
Duplex (16 windows)	+/- $24,000 to $32,000
Triplex (20 windows)	+/- $30,000 to $40,000
6 units (30 windows)	+/- $45,000 to $60,000
24 units (75 windows)	+/- $112,500 to $150,000

To get up to three quotes from doors and windows contractors, fill out our short form.

Exterior siding

The siding is the first level of protection for your house against rain, wind, and bad weather. Good exterior cladding will keep your house safe from all building envelope problems. However, if you leave the task to an unverified contractor and they install the material inadequately, you will have to redo the work in addition to having to decontaminate the framing area affected by a potential water infiltration. A good reason to choose an expert from the start and avoid unnecessary costs.

Here are some house siding prices, gathered by reviewing different submissions received over the years.

Siding material	Average cost (including materials & labour)
Vinyl	$12 – $15/sq. ft.
Aluminum	$17 – $23/sq. ft.
Wood fibre (CanExel)	$17 – $23/sq. ft.
Fiber Cement	$35 – $40/sq. ft.
Acrylic / Stucco	$40 – $45/sq. ft.
Steel	$35 – $40/sq. ft.
Torrefied wood	$25 – $30/sq. ft.
Brick or Stone	$55 – $65/sq. ft.

To receive up to three quotes from siding contractors, fill out our short form.

Bathroom

It is one of the rooms where you spend a lot of time during the day. Not surprising that many want to make it a relaxing oasis and renovate it. With so many materials and price options available, it is recommended to establish your budget from the start to avoid bad surprises and unnecessary stress.

Here is a list with the average cost for bathroom renovations based on each style category.

Type of bathroom	Average cost
Budget	$19,000 +
Low-Range Bathroom	$26,500 +
Mid-Range Bathroom	$31,000 +
High-End Bathroom	$36,000 +
Luxury	$55,000 +

Feel free to check out our bathroom projects section to get inspired by real bathroom renovation projects and to view their current prices.

If you want to get up to three quotes from specialized bathroom contractors, fill out our short form.

Sunroom

We believe there is no better way to enjoy the sun, while staying sheltered from the wind, weather, and cold when winter shows its nose, than with a four-season solarium. That’s why we found several contractors specialized in the construction of four-season solariums. We have also grouped in the table below the average prices observed on different submissions obtained for our clients over the years.

Sunroom – Insulated hard-roofed veranda, wood frame with windows on 3 sides – room that blends into the architecture of the existing house	Average cost
Turnkey four-season room on piles	$300 – $340/sq.ft.
Turnkey four-season room 12′ x 12′	$44,000 – $50,000

Get up to three quotes from four-season solarium contractors by filling out our short form.

Basement

Often neglected, the basement can nevertheless be a very pleasant living space. Whether it’s for a living room, a home theater, a man cave, a playroom for children, or even an apartment, your basement is full of possibilities!

Here are the average basement renovation prices we found for the complete finishing of a basement.

Basement elements	Average cost
Turnkey (without bathroom)	$50/sq.ft.
Turnkey Bathroom	$20,000 to $35,000
Walls & Joint Sealing	$5 – $7/sq.ft.
Ceiling	$5 – $7/sq.ft.
Insulation	$3.5 – $5/sq.ft.
Flooring	$7 – $15/sq.ft.

To get all the inspiration you need for your basement renovations, check out our basement projects section.

To get up to three free quotes from basement finishing and renovation contractors, fill out our short form.

Roofing

Don’t wait until it’s too late and your house suffers water infiltration to act. We have roofing contractors to refer to you to at no cost.

Here is a list of the most frequent types of roofing renovations.

Roof type	Average cost	Lifespan
Asphalt Shingles	$7/sq. ft.	15 to 25 years
TPO/EPDM	$11 – $14.5/sq. ft.	25 to 30 years
Elastomeric Membrane	$19 – $23/sq. ft.	20 to 30 years
Bitumen	$11 – $14.5/sq. ft.	15 to 30 years
Metal	$20 – $36/sq. ft.	50+ years
Slate	$30 – $42/sq. ft.	75 to 150 years

If you wish to get up to three quotes from roofing contractors, it’s simple: you just have to fill out our short form.

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