Oakville, Ontario, basement renovations by Desire Basements

Basement Renovations in Oakville

Luxury basement finishing for Oakville homes. Free 3D design, an itemized price that locks before you sign, a lifetime workmanship warranty and a written finish date that pays you $200 for every late day.

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Basement renovation in Oakville, street by street

In Glen Abbey, River Oaks and Joshua Creek, executive homes come with generous footprints where a finished lower level becomes a theatre, wine room, gym or full guest suite finished to the same standard as the main floors. This is where our premium catalog earns its keep, and you can see the luxury basements we have built across the GTA.

Older properties near Old Oakville, Bronte and Kerr Village can carry heritage or conservation considerations and benefit from moisture-first construction, both of which we manage as part of the project. Whatever you start with, you end with finished square footage your family uses every week, and a number your Oakville house carries at resale.

GLEN ABBEYRIVER OAKSJOSHUA CREEKBRONTEOLD OAKVILLEKERR VILLAGE
SINCE2017
400+GTA BASEMENTS
1POINT OF CONTACT
Basement TV wall with red LED niches and marble fireplace, basement renovation in Oakville by Desire Basements

Big footprints in Glen Abbey, River Oaks and Joshua Creek

Oakville homes give us room to work. The estates of Glen Abbey, River Oaks and Joshua Creek were built from the 1980s onward on wide lots with deep poured-concrete foundations, so a basement of 1,200 to 1,500 square feet with ceilings over eight feet is the norm rather than the exception. That scale changes the brief. Instead of fitting a family room and a bathroom into 700 square feet, we are planning a theatre, a bar, a gym and a full guest suite for visiting parents, and making them read as one space.

Our Rattlesnake Path project in Oakville shows what that looks like: 1,373 square feet finished for $170,000 to $180,000, with a 19-foot bar around a 9-foot island, a 100-inch fireplace, a tiled steam shower with a bench and a ballet bar in the gym. Hatfield Drive, also in Oakville, came in at 1,308 square feet for $80,000 to $90,000 with a simpler finish. Same town, similar size, half the price. Scope drives the number, not square footage.

Older homes in Bronte and Old Oakville are a different animal, with smaller footprints, lower ceilings and lakeside moisture, and they get the waterproof-first treatment before any millwork is discussed.

Permits run through Town of Oakville Building Services, and our licensed structural engineer prepares and stamps the drawings while we handle the application. From Richmond Hill, Oakville is about 50 minutes down the 407, and the drive has never been a reason to turn down the job.

Basement renovation permits in Oakville, handled for you

The Town of Oakville requires a building permit for basement finishing, and a secondary-unit permit if you’re creating a separate dwelling. Oakville adds a layer many GTA municipalities don’t: depending on your address, heritage districts, conservation authority land and floodplain zones near the creeks can bring extra requirements, worth confirming before design begins, and something we check on day one. Our licensed structural engineer prepares and stamps the permit drawings, and we confirm zoning and overlays for your specific address, file the permits, and manage every staged inspection to final sign-off.

1

Zoning & overlays
Heritage, conservation and floodplain checked first

2

Drawings & permit
Engineer-stamped and filed for your Oakville address

3

Staged inspections
Framing, insulation, ESA electrical, plumbing

4

Final sign-off
Closed permit, documented for resale

A free 3D design of your finished basement

Walk your basement room by room in 3D. Move a wall, swap a finish, then approve every detail before a stud goes up.

★★★★★

"They were fast, efficient, and most importantly, the project was completed on time. Kam was fantastic to work with from start to finish, responsive and keeping me informed every step of the way."

KIM B · GTA HOMEOWNER · ✓ GOOGLE REVIEW

Built on trust, backed in writing

Since 2017BUILDING IN THE GTA

Basement renovations across the GTA since 2017, the owner on every site.

LifetimeWARRANTY COVERAGE

Lifetime workmanship warranty on every wall, floor and fixture we install, in writing.

$200/dayON-TIME GUARANTEE

Your quote includes a written timeline. If we miss it, we pay you $200 for every late day.

WHAT A BASEMENT COSTS · ONE STANDARD, ONE QUOTE SHEET
$67,800A 1,000 SQ FT BASEMENT WITH A BATHROOM, BEFORE HST
One standardLIFETIME WORKMANSHIP WARRANTY
400+BASEMENTS SINCE 2017

Every basement is priced from the same quote sheet, line by line. Permit drawings, 3D design and the lifetime workmanship warranty are included.

A 1,373 sq ft entertaining basement on Rattlesnake Path

  • Completed 2024
  • 1,373 sq ft
  • $170,000 to $180,000

A 19-foot bar with six custom cabinets and a 9-foot island, a 10-foot TV wall cabinet beside a 100-inch linear fireplace, and a bathroom tiled floor to ceiling with a custom steam shower, bench, niche and thermostatic controls. A ballet bar, three closets, ten doors and 57 pot lights complete it, all on an insulated DRICORE R+ subfloor.

basement bar marble waterfall island tv
basement spa bathroom sauna marble
basement marble slab tv wall dark builtins
Photography from Desire Basements projects across the GTA. Contract range shown before HST.See our projects

What a basement in Oakville costs, by scope

The same quote sheet we use everywhere in the GTA, line by line. Permit drawings, 3D design and the lifetime workmanship warranty are included.

ScopePrice before HST
600 sq ft with a three-piece bathroom$56,000
800 sq ft with a three-piece bathroom$62,000
1,000 sq ft with a three-piece bathroom$67,800
1,200 sq ft with a three-piece bathroom and two bedrooms$75,200
1,500 sq ft with a three-piece bathroom and two bedrooms$83,700
The family basement: media wall, full bathroom, laundry, around 1,000 sq ft$60,000 to $85,000
The entertainment build: theatre or media room, bar, gym, spa bathroom, 1,000 to 1,300 sq ft$95,000 to $130,000
Three-piece bathroom, added to a basement without one$11,700
Custom wet bar+$15,000
Home theatre setup+$20,000
Walkout entrance, permits included$15,000 to $25,000
Full-perimeter underpinning for low ceilings$60,000 to $120,000
Legal basement apartment, purpose-built$75,000 to $110,000 or more

Every basement is priced from the same quote sheet, line by line: a 1,000 sq ft basement with a three-piece bathroom comes to about $67,800 before HST, and the price per square foot falls as the basement grows because the permit, bin, breakers, stairs and bathroom cost the same at any size. Use the calculator to price yours. Cost guides: bathroom, walkout and underpinning.

Answers for Oakville homeowners

Do I need a building permit to finish my basement in Oakville?

Yes. The Town of Oakville requires a building permit for basement finishing, and a secondary-unit permit if you're adding a separate dwelling. Desire Basements confirms your property's zoning and any heritage or conservation overlays, has the drawings prepared and stamped by a licensed structural engineer, and manages the process to final inspection.

Can I add a basement apartment in Oakville?

Yes. Oakville permits accessory apartments subject to zoning, parking and lot requirements, built to Ontario Building Code standards for ceiling height, fire separation, egress and alarms. Some addresses carry heritage, conservation or floodplain considerations; we verify yours before design begins.

What do Oakville homeowners typically build in their basements?

Our Oakville projects lean premium: home theatres, glass-walled gyms, temperature-controlled wine displays, custom bars and full in-law suites, finished with the same catalog of vanities, quartz and millwork our clients choose for main floors. Every project starts with a free 3D design so you walk the space before we build it.

Ready for your Oakville basement renovation?

Book a free in-home consultation. We'll measure your space, talk through your vision, and bring a 3D design with your itemized basement renovation quote.

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FREE 3D DESIGN · LIFETIME WORKMANSHIP WARRANTY · $200 A DAY ON-TIME GUARANTEE

A real basement we finished in Oakville

Tap to watch the walkthrough, filmed on site, no staging.

Basement renovation walkthrough in Oakville, Ontario by Desire Basements