Your Dream Home Starts with Us

Home Additions in Toronto – Add Space, Comfort, and Value

With 20+ years of experience and 2,700+ completed projects, RM Renovation is the trusted name for custom home additions in Toronto. We manage everything — from structural design to zoning, permits, and full-scale construction — with Ontario Building Code compliance.

Transform Your Space

Expert Home Addition Remodeling That Works for Your Toronto Home

As Toronto’s trusted home addition contractor, we specialize in smart, seamless renovations that add livable square footage without compromising structure, design, or curb appeal. Whether you’re looking into a modular second story addition, a rear bump-out, or turning a garage into a legal suite, our expert home addition builders design and build with Toronto’s bylaws, lot sizes, and weather conditions in mind.

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Excellence in Renovation

Our Custom Home Additions and Extension Services in Toronto

RM Renovation offers a wide range of custom home additions tailored to your needs, property layout, and budget. Our complete home addition solutions include:

Second-Storey Additions

Add a full or partial second story addition to create more bedrooms, a home office, or a luxury master suite. We handle all permits, reinforcements, floor system engineering, and build to Ontario Building Code standards.

Garage-to-Room Conversions

Turn your garage into a legal bedroom, office, or income unit. We retrofit garages with proper insulation, HVAC, egress windows, and framing to create usable space that complies with Toronto zoning bylaws.

Rear and Side Bump-Outs

A rear or side bump-out is ideal for expanding kitchens, dining rooms, or entryways. Our team handles foundation extensions and matching exteriors so your home addition construction looks seamless.

Basement and Attic Transformations

We turn unfinished basements and attics into livable square footage. With subfloor systems, spray foam insulation, and moisture barriers, our home additions and remodeling team creates legal, comfortable rooms that add real value.

Sunrooms and Enclosed Patios

Enjoy more natural light and a 4-season living space with a sunroom or enclosed patio. We install structural framing, insulated glass, and weather protection that lasts through Toronto winters.

Full Home Expansion Projects

We manage full-scale home extensions and renovations from design to delivery. This includes architecture, permits, structural work, and finishing—all within your budget and schedule.

Expand Your Living Space with a Custom Home Addition!

Whether you’re looking for an extra bedroom, a larger kitchen, or a whole new living area, our team is here to help bring your vision to life. Contact us today for a free consultation and let’s create the perfect addition to your home!

Where Quality Lives

Why a Home Addition in Toronto Is a Smart Investment

With Toronto’s tight real estate market and rising property costs, more homeowners are choosing renovation and extension over relocation. Here’s why it’s a smart move:

More space without moving

From open-concept kitchens to new bathroom or a home office, we build layouts that reflect how you actually live, not just resale checkboxes.

Increase resale value

Additions like second-storey expansions, in-law suites, or updated kitchens significantly boost resale value. That makes a home addition remodeling project a long-term financial win.

Adapt your layout to fit your life

Families grow. Needs change. A smart home addition gives you flexibility — whether it’s for aging parents, a new baby, or that home office you’ve always wanted. Your space should grow with you.

Energy efficiency upgrades

We build with spray foam insulation, efficient HVAC layouts, and energy-smart windows that are better for the environment and your bills.

Design. Build. Revamp.

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Ready to renovate your dream home?

Whether it’s a kitchen makeover, exterior refresh, or full home renovation, our team is here to bring your vision to life.

Building Your Vision

What Makes RM Renovation the Best Contractor for Home Addition Projects in Toronto

RM Renovation has earned a reputation as one of the top home addition companies in the GTA for various reasons. Some of these reasons are:

20+ years of experience

With over two decades of industry experience, we’ve completed hundreds of home additions near Toronto — from modular builds in East York to full additions in High Park. We know the zoning codes, bylaws, and build challenges in every neighbourhood.

Licensed, insured & code-compliant

Our home addition builders are fully licensed and WSIB-insured. Every project is completed to Ontario Building Code standards, and permits are handled in-house — no risks, no shortcuts.

Top-rated and award-winning

We’re proud to be a HomeStar Best Award winner and a trusted name across Toronto. Clients trust us because we deliver on time, communicate clearly, and leave behind excellent work, not unfinished jobs.

Accurate quotes, no guesswork

We keep pricing simple and transparent. You’ll get a detailed, fixed quote that breaks down exactly what’s included — no vague estimates, no surprise costs halfway through. Just honest numbers from the start.

Custom plans for every home

We design custom home additions to fit your lot, layout, and future goals. No cookie-cutter builds — only functional, modern spaces.

Reimagine Your Home

Our Proven Design + Build Process

Step 1
Site visit & consultation

We assess your home’s structure and layout, and review your needs, goals, and budget on-site.

Step 2
Permit drawings & zoning approvals

Our in-house drafting team prepares full permit drawings and handles zoning applications through the City of Toronto.

Step 3
Transparent budgeting & scope planning

You get a fixed quote and full project timeline. We’ll review materials, scope, and build phases with you before we break ground.

Step 4
Skilled construction & on-site management
From demolition to framing and final finishes, our licensed team and dedicated project manager keep your job on track.
Step 5
Final walkthrough & inspection

We walk you through your new space, complete final touch-ups, and make sure the project passes all city inspections.

Crafting Dream Homes

What’s the Cost for Home Addition in Toronto

Adding extra space to your home can significantly enhance both its functionality and value. Home additions in the Greater Toronto Area (GTA) vary in cost depending on the type of addition, the materials used, and the size of the space being added. Whether you’re looking to build a new bedroom, expand your kitchen, or add a second story, we provide cost-effective solutions to meet your needs and budget.

Home additions typically start around $150 per square foot, with more complex projects reaching higher price points.

Flooring TypePrice Range (Toronto & GTA)
Ceramic or Porcelain Tile$4 – $10 per sq ft
Hardwood Flooring$5 – $15 per sq ft
Vinyl Flooring$2 – $6 per sq ft
Engineered Hardwood$6 – $12 per sq ft
Natural Stone Tile$8 – $20 per sq ft
Laminate Flooring$3 – $8 per sq ft

Locations We Serve

RM Renovation has been servicing Toronto and GTA area for more than 20 year.

We Offer The Best Renovation Service in Toronto

Reimagine Your Home

Frequently Asked Questions

Garage-to-room conversions and small bump-out additions are typically the most budget-friendly. They involve less structural work and can often be built faster, perfect if you're looking to add livable space without a major overhaul.

A bump-out is a small extension that expands an existing room — like pushing out a kitchen wall to create more counter space. It’s a great option if you want more room without committing to a full-scale addition.

That depends on your goals. Second-storey additions and in-law suites add the most value, while open-concept kitchen expansions or sunrooms are perfect for lifestyle upgrades. We help you pick what fits your home best.

Absolutely. Our full-service approach includes framing, insulation, drywall, flooring, electrical, plumbing, and HVAC. We also provide professional painting and decorating services to give your new space a polished, move-in-ready look.

Common mistakes include not checking zoning rules, underestimating costs, and hiring unlicensed contractors. We take care of permits, planning, and budgeting up front — so there are no surprises down the line.

Timelines vary based on the size and type, but most additions take between 10–16 weeks. We’ll give you a realistic schedule and keep you updated every step of the way.

In most cases, yes. We work in phases to keep things as comfortable and safe as possible for you and your family during the renovation.