Dark brick house with white-framed windows with divided upper sashes, a cream front porch and a stone base

Outremont and Mount Royal · avenue Laurier to Connaught Park

Premium window and door replacement in Outremont and the Town of Mount Royal

Outremont and the Town of Mount Royal have two different rulebooks. We show you models that fit your house type.

  • ★ 4.5 · 484 Google reviews
  • RBQ licensed
  • Free in-home estimate
  • 9,200+ projects · 35+ years
Call (514) 387-0001
  • Canadian-made, ENERGY STAR-certified windows
  • Installed by our own crews
  • Rénoclimat paperwork done with you, up to $300 per eligible window

★★★★★“Excellent customer service and flawless install. Windows came out amazing.”Marco S., Google review, September 2026

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Certifications: Window Wise certified dealer, SAWDAC, ENERGY STAR, CSA, 25-year transferable warranty

  • 9,200+projects across Greater Montréal
  • 35+years installing windows and doors
  • 4.5★average Google rating
  • RBQlicensed contractor 5735-2130-01

What homes in Outremont and Mount Royal ask of their windows and doors

Outremont had 9,245 households in 2021. Of its occupied homes, 59.3% are apartments in a duplex or a building under five storeys, and 21.3% are houses (detached, semi-detached or row). Owners make up 54.7% of households (City of Montréal housing profile, 2021 census). The Town of Mount Royal had 7,732 occupied dwellings that year. The two places have different house types and different rules, so we price them one at a time.

Outremont duplexes and triplexes: one façade, several households

Six in ten occupied homes in Outremont sit in a duplex or a small building. Several units often share one brick or stone façade, and the street sees its windows as one composition. Before you order, look at the units above and below yours. For a condo, the City asks for a letter from every co-owner or a resolution of the syndicate.

A century-old Outremont house keeps its divisions

Montréal’s rule is plain. A replacement must keep the shape and look of the original and respect the building’s type, including how the window opens, how the glass is divided and what colour it is. On a house with divided glass, we lay your original next to the models we can supply and compare the divisions before you decide.

Mount Royal’s garden-city houses, built 1915 to 1955

The Town was planned in 1912 on the garden-city model and built around the railway tunnel that opened in 1918. By-law 1449 sorts its houses by build period. For the 1915 to 1955 types it describes glass with small panes and windows twice as tall as they are wide. The Georgian type adds double-hung windows with small panes.

Mount Royal bungalows, cottages and split-levels, built 1955 to 1975

For these types the by-law describes glass without small panes and windows twice as wide as they are tall. A mid-century house wants large, plain panes, not a grid added for show. The photo beside this section shows that look: wide windows with no divisions, set in brick.

What do Outremont and the Town of Mount Royal ask before you replace windows or doors?

Outremont is a borough of the City of Montréal, so its permits come from the borough’s permit counter. Mount Royal is a separate city with its own by-laws and its own council. Do not mix the two. The points below come from montreal.ca (pages in French) and from the Town’s by-law 1449.

Outremont: a permit, even for a same-size window

Montréal’s page says you need a permit to replace exterior doors and windows with same-size models, and the new ones must keep the form and look of the originals. In a heritage sector, more rules can apply. The fee is $9.80 per $1,000 of work, with a minimum of $167.40 for a home, and extra fees can apply to a heritage building. Documents include the quote with taxes, the certificate of location, the maker’s data sheet and a plan with room sizes for light and ventilation. For a different model, a new size or a new opening, the borough also asks for photos of the neighbours’ façades, an elevation drawing and a material sample. Read the same-size page and the different-size page.

Outremont: a PIIA review can come first

If your building or sector has heritage value, or the work changes the façade, the borough can ask for a site planning and architectural integration plan (PIIA). The advisory planning committee (CCU) gives an opinion and the borough council approves or refuses. It adds fees and time. Outremont rewrote its PIIA by-law in 2021 and publishes a plain-language guide. Read the City’s PIIA page, then call the Outremont permit counter at 514 495-6234 before you order.

Town of Mount Royal: a permit, and the PIIA comes before it

The Town says that, in general, all work outside your home needs a permit from the Town. By-law 1449 applies to the whole territory. For a house of two units or fewer, restoring, replacing or changing a façade or architectural component goes through the PIIA. You file the PIIA request before the permit request. The advisory planning committee (CCU) recommends and the council approves or refuses by resolution. Read the Town page for residents and by-law 1449.

Town of Mount Royal: an identical replacement skips the PIIA, a change does not

The by-law exempts a replacement from the PIIA when the model, dimensions, colour, materials, opening direction and proportions are identical to the existing window or door, with no change to the look of the building. One catch: if the existing window was already replaced by a model that does not suit the house type, the work goes to the PIIA anyway. The criteria also say to keep original components, and when replacement is unavoidable, to draw on the original forms. The by-law dates from 2018, so confirm with the Town that it is still current. Questions on fees go to 514 734-3042.

What we replace in Outremont and Mount Royal homes

How we serve Outremont and Mount Royal

Outremont (avenue Laurier and avenue Bernard)

About 12 to 13 km and 18 to 21 minutes from our Saint-Laurent showroom, without traffic. Bring a photo of each façade and tell us if the building is a duplex or a triplex. We check the other units’ windows so yours do not clash.

Town of Mount Royal, centre (Connaught Park)

About 8 km and 11 minutes away. Tell us the year of your house and its type. The by-law’s type decides whether the glass has small panes or none, and we price the models that match.

Town of Mount Royal, west (boulevard Graham and chemin Lucerne)

About 6 km and 9 minutes away, our closest stop in this area. The Town bans noise-making outdoor work before 7 a.m. and after 8 p.m. on weekdays, before 9 a.m. and after 5 p.m. on Saturdays, and all day on Sundays and holidays. We plan the install inside those hours.

Outremont is 12 to 13 km and the Town of Mount Royal 6 to 8 km from our showroom

We drive from 1190 Rue Bégin in Saint-Laurent. Distances are measured on OpenStreetMap roads, rounded, with no traffic.

  • Outremont (avenue Laurier)13 km · 21 minDirections
  • Outremont (avenue Bernard)12 km · 18 minDirections
  • Mont-Royal, centre (parc Connaught)8 km · 11 minDirections
  • Mont-Royal, ouest (boulevard Graham)6 km · 9 minDirections

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How your project runs

  1. Free in-home estimate

    An estimator measures every opening and checks the frames.

  2. Written quote

    Products, finishes and installation work, confirmed in writing.

  3. Installation by our crews

    Our own installers do the work, covered by the 25-year transferable warranty.

  4. Rénoclimat

    We prepare the paperwork with you, up to $150 per eligible opening.

4.5★★★★★484 Google reviews

“Excellent customer service and flawless install. Windows came out amazing.”

Marco S., Google review, September 2026

Questions Outremont and Mount Royal owners ask

Do I need a permit to replace windows or doors in Outremont?

Yes. Montréal’s page says a permit is needed even for same-size models, and they must keep the form and look of the originals. A PIIA review can also apply for a heritage building or sector. Call the borough’s permit counter before you order.

Do I need a permit and a PIIA in the Town of Mount Royal?

You need a permit for outside work. You need a PIIA review unless the new window or door is identical to the old one in model, dimensions, colour, materials, opening direction and proportions. If the old one was already replaced by a model that does not suit the house, the PIIA applies anyway.

Can I put PVC windows on my Outremont or Mount Royal house?

The pages we read do not set a rule by material. They set a rule by look: the divisions, the way the window opens, the colour and the proportions. At the estimate we compare your originals with the PVC and wooden models we can supply, and we give you the data sheet the borough or the Town asks for.

How long does the review take?

The pages do not give a fixed time. They say a PIIA review adds fees and delay, because the committee and the council both look at the file. Ask the counter for its current schedule and plan your order after you have the answer.

Is there a government grant for new windows in Outremont or Mount Royal?

Quebec’s Rénoclimat program pays up to $300 per eligible window. The cap is $4,500 for a house and $6,000 for a duplex, a triplex or a multi-unit residential building. Doors are not on the new list. It applies to new files since October 1, 2026, and program conditions apply. Check quebec.ca for the current rules.

Book your free in-home estimate in Outremont or Mount Royal

We measure at your home and send a written quote.

Get my free quote(514) 387-0001
Sources
  1. Ville de Montréal, Remplacer des portes et des fenêtres par des modèles de mêmes dimensions (page updated 2026-07-30, Outremont block: permit, fees, documents)
  2. Ville de Montréal, Ajouter des portes et fenêtres ou les remplacer par des modèles de différentes dimensions (Outremont block)
  3. Ville de Montréal, Faire approuver un projet lié à un PIIA (page updated 2026-01-20, Outremont block)
  4. Ville de Montréal, Guide de compréhension du règlement sur les PIIA d’Outremont (page updated 2026-05-22)
  5. Ville de Montréal, Profil des ménages et des logements 2021, Outremont (open data, HTML)
  6. Ville de Mont-Royal, Règlement n° 1449 sur les PIIA (adopted 2018-08-20, in force 2018-10-04, text read 2026-11-12, amendments not checked)
  7. Ville de Mont-Royal, Urbanisme et permis pour résidents
  8. Ville de Mont-Royal, Histoire et patrimoine
  9. Ville de Montréal, Montréal en statistiques, Logements privés occupés 2016-2021 (PDF)
  10. Gouvernement du Québec, Rénoclimat: new measures since October 1, 2026
  11. OpenStreetMap Nominatim and OSRM, driving routes from 1190 Rue Bégin (2026-11-12)