You wish to enlarge rooms in your house? Call on Construction Précellence for your home addition project in Montreal East. Wide range of services in renovation, construction, design, architecture and expansion. Call us for a quote!


Deal with an experienced contractor for your home expansion in Montreal East!

Whether it’s for the kitchen, bathroom, basement, bedroom, or garage, an addition can significantly contribute to beautifying your home or make it more functional. We offer construction, renovation, and home expansion services, as well as an exceptional approach to architecture, design, and construction.

Our experienced team includes interior designers, kitchen designers, specialized technicians (painter, cabinetmaker, electrician, plumber, plasterer, etc.), architectural technicians, draftsmen, and site supervisors. From your first visit, we will help you set up your expansion project, plan your budget, and establish a realistic timeline. We’ll be with you every step of the way, from measuring, to design, to material selection, to final delivery.


What kind of expansion projects can Construction Précellence work on?

We carry out extensions for the bathroom, kitchen, bedroom, living room, as well as all the rooms in the house. Here is an overview of the construction work we can do:

  • Floor addition
  • Bathroom expansion
  • Bedroom Expansion
  • Kitchen expansion
  • Dining room expansion
  • Basement Expansion
  • House addition
  • Interior Sunroom Expansion
  • Residential Garage Expansion
  • Hallway Expansion
  • Multi-generational house expansion


What is the average price of a home addition in Montreal East?

  • For a 12′ x 12′ floor (including the basement): costs start at around $60,000 and average around $70,000
  • One-storey 12′ x 25′ (including basement): costs start at around $80,000 and average around $100,000
  • Two storey 12′ x 12′ (including basement): costs start at around $90,000 and average around $110,000
  • Two storey 12′ x 25′ (including basement): costs start at around $140,000 and average around $160,000
  • 12′ x 25′ garage construction: costs start at around $70,000 and average around $80,000.

*Please note that all prices presented here are approximate.



We only do extensions in residential areas. Here is an overview of the places where we can carry out renovation and construction work.

  • Single-storey house / single-family home
  • Cottage (two-storey house)
  • Semi-detached / Townhouse
  • Condo unit
  • Penthouse
  • Apartment, housing
  • Bi-generational and intergenerational house
  • Duplex, triplex, quadruplex
  • Loft
  • Luxury house / High-end house


Why choose Construction Précellence for your house addition project?

  • Company established since 1948
  • Choice of quality materials according to the client’s budget
  • In-home consultation with a professional designer
  • Price estimate for your construction and renovation project
  • Measurements taken by your designer
  • Plan and 3D model and follow-up of the manufacturing of the elements
  • Delivery and installation of the material
  • Quality of workmanship and superior knowledge
  • Respect of the highest standards in terms of cost control
  • Strict adherence to deadlines and the established budget
  • Protection and cleanliness of the work site
  • Management of permit applications


Any questions?

If you have any questions about our home addition service in Montreal East, our other renovation services, our designers or our prices, do not hesitate to contact us by email, by phone, or to come and meet us in person at our offices in Montreal. Our team will be happy to welcome you and give you all the information you need.