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four Seasons Sunrooms & Additions

Family owned and operated for over 30 years!

Why Choose Four Seasons Sunrooms & Additions?

At Four Seasons Sunrooms & Additions, the possibilities are endless. As a family-owned and operated business, we bring over 30 years of experience in the industry. We pride ourselves on being the leading choice in designing, installing and servicing sunrooms and additions across Southwestern Ontario. Our commitment to quality and customer satisfaction ensures that every project we undertake is executed with care and precision, turning your dreams into reality.

Our Mission

At Four Seasons Sunrooms & Additions, our mission is simple: “to enhance your home and lifestyle while building lasting relationships”. Your home is the cornerstone of your life—where you rest, relax, and create memories. It’s likely the largest investment you’ve ever made, and we believe in enriching it with the beauty of Outdoor Living… Indoors.®

When it’s time to add light, space, and value to your home, choose the best. As a trusted, highly recommended, and internationally recognized leader in both products and customer service, we’re committed to delivering excellence.

Our team holds the highest standards of client care, ensuring that your sunroom is built to last, providing you with new levels of comfort and enjoyment.

We look forward to earning your trust and delivering the best in the industry—so you can enjoy your sunroom for many years to come.

Bright all season sunroom addition with straight roof design

What We Do

From start to finish, our team is focused on providing you with peace of mind. Our experienced designers are here to offer guidance, knowledge and support you during the initial design consultation.

We take pride in our work and are dedicated to ensure your project meets your expectations throughout production and installation, paying close attention to even the smallest details. Our professional installers pride themselves bringing expert craftsmanship and meticulous attention to detail on every project.

At Four Seasons Sunrooms & Additions, we’re committed to making the process easy and enjoyable as we help you design the room of your dreams!

Exterior view of FS Sunrooms showroom in London Ontario
  • Fully licensed and insured
  • Family owned and operated
  • Over 30 years of experience
  • Full showroom located in London
  • Financing available
  • Quality workmanship
  • Lifetime Warranty
  • Build the BEST
  • Located in London, Ontario - serving Kitchener, Waterloo, Hamilton, Sarnia, Windsor & Surrounding Communities

Dinich

Walsh

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