GS Construction
Renovations · Ontario · Free on-site estimates

Quality renovations.
Done right.

Kitchens, bathrooms, decks, flooring and legal basements, built by a crew that shows up on time, keeps the site clean and finishes what it quotes.

Get a free estimate →Call +1 249-288-1918
Written quotes, no surprisesDaily updates during the buildClean site, every eveningFinal walkthrough on every job
5.0
★★★★★
Rated 5.0 on Google17 reviews from homeowners across Ontario · read them on Google →
Services

Make more of your home.

Six things we do every week, priced on site and quoted in writing. Tap a service to start your estimate with it already filled in.

Start an estimate
Renovated white kitchen with island

Kitchen renovations

  • Layout, cabinetry and counters
  • Plumbing and electrical relocation
  • Tiling, lighting and finishing
Get an estimate →
Modern bathroom with walk-in shower

Bathroom renovations

  • Vanities, showers and tubs
  • Waterproofing and tiling
  • Fixtures, ventilation, heated floors
Get an estimate →
Composite deck with pergola

Decks & outdoor living

  • Composite and wood decks
  • Pergolas, railings, lighting
  • Permits and structure done properly
Get an estimate →
Hardwood flooring installation

Flooring installation

  • Hardwood, engineered and laminate
  • Tile and vinyl plank
  • Subfloor repair and levelling
Get an estimate →
Basement being framed for a legal apartment

Legal basement conversions

  • Separate entrance and egress
  • Framing, insulation, drywall
  • Kitchen, bath and permits
Get an estimate →
Copper pipe fitting with a water drop

Water leak detection

  • Find the source, not the symptom
  • Repair and drywall restoration
  • Same-week appointments
Get an estimate →

Also general contracting and whole-home renovations — one crew, one quote, one point of contact.

How we work

From first call to final walkthrough.

No guesswork and no chasing. You always know what happens next.

01

Tell us about the project

Two minutes with the estimate assistant or the form: what, where, roughly when. You get a visit slot straight away.

02

On-site estimate, written quote

We measure, ask the right questions and send an itemised quote within two business days. No hidden extras.

03

Build with daily updates

A start date you can plan around, a crew lead you can text, and a photo update at the end of every day.

04

Walkthrough and aftercare

We walk the finished job with you, fix the small things on the spot and stay reachable after we leave.

Projects

Materials. Spaces. Possibilities.

Recent work across Ontario. Tap a photo to see it full size.

Kitchen renovation
Full kitchen renovationNew layout, island, shaker cabinetry, quartz counters
Deck with pergola
Composite deck with pergolaTwo-level deck, louvered pergola, integrated step lighting
Bathroom renovation
Primary bathroomWalk-in shower, marble-look tile, black fixtures
Basement conversion in progress
Legal basement, week twoFraming and rough-ins for a one-bedroom apartment
Hardwood floor
Engineered hardwoodWhole main floor, subfloor levelled first
Pipe fitting
Leak found and fixedCeiling stain traced to a failed fitting, repaired same day
Why homeowners choose us

Care in every detail.

Quality work

Good work speaks for itself. Every project is finished to a standard we would accept in our own homes.

Efficient execution

We value your time. Focus, organisation and a schedule that keeps the project moving the right way.

Responsibility

Planning, communication and the final details are taken seriously. Many of our clients come back for the next project.

GS Construction crew workwear
The crew

An experienced team, not guesswork.

Hands-on construction and renovation experience on every job, the same faces from the estimate to the walkthrough, and the GS jacket on site so you always know who is in your home.

Book a free estimate
5.0
★★★★★
17 reviews on Google
Every one of them five stars
Read all reviews on Google →
★★★★★
We recently had our basement finished by GS, and we couldn't be happier with the results. From the initial consultation to the final walkthrough, their team was professional, organized, and attentive to detail.
HP
Hana PiresPosted on Google
★★★★★
We had lots of minor issues in our house as well as 2 major ones and they came, prioritized and fixed by order of importance. I was thoroughly satisfied.
PD
Patricia Di ChiaraPosted on Google
★★★★★
Highly recommended. A serious company that meets deadlines, with excellent professionals and offering quality service. Thanks GS for all.
FS
Fernanda SilveiraPosted on Google
★★★★★
The team does a great job. Everyone is attentive and careful with every detail, and the work is very well done!
HK
Hellen KarenPosted on Google
★★★★★
A company with a professional team in the work that performs, organized and dynamic.
RC
Rodrigo CoregioPosted on Google
★★★★★
Clean and fast work, I recommend it.
RM
Rebecca MarianaPosted on Google
Free estimate

Let's talk about your project.

Tell us what you have in mind. You get a visit slot straight away and a written quote within two business days of the visit.

Please fill in your name, phone, service and city.

Your request goes straight to the crew lead, who confirms the slot by text. No spam, no sharing of your details.

Prefer to chat?
The estimate assistant asks the right questions and books your visit in under two minutes, any time of day.

Prefer the phone? +1 249-288-1918 — if we are on a ladder, you get a text back within a minute with a call-back time.

CallFree estimate