Four Seasons Sunrooms UK | Luxury Conservatories & Solariums | Room Outside®

Four Seasons Sunrooms USA

Luxury USA Sunrooms & Solariums – Exclusively in the UK

Room Outside® is the exclusive UK agent for Four Seasons, the world’s largest sunroom manufacturer. Experience year-round comfort with advanced Wonderglass® technology, including the unique System 6 Curved Lean-To with its stunning curved timber beam.

Talk to a Sunroom Specialist Get Your Sunroom Quote

Call us anytime on 01243 538999 – David our digital assistant will take a few details so the right specialist can follow up personally.

Founded
1975 (USA)
UK Exclusive Since
1998
Glass Technology
Wonderglass®
Global Leader
#1 Worldwide
Luxury Four Seasons sunroom with curved timber beam - UK exclusive from Room Outside
Exclusive UK Supplier

Four Seasons Sunrooms: World-Leading Quality

Room Outside® is the exclusive UK agent for Four Seasons, the world’s largest sunroom and conservatory manufacturer. Renowned globally and household names in the USA, their exceptional range of products brings unparalleled quality to the UK market. These lean-to and traditional conservatories, as well as garden rooms, are designed to create a comfortable ambient temperature year-round, thanks to advanced temperature regulation technology that adapts to any weather conditions.

A standout favourite is the System 6 Curved Lean-To, featuring a unique internal structural curved laminated timber beam, offering a striking and exclusive design unavailable anywhere else in the UK.

Key Benefits

World’s largest sunroom manufacturer
Exclusive Wonderglass® technology
System 6 Curved Timber Beam
4 distinct architectural styles
Aluminium or natural wood frames
Argon-filled, sputter-coated glass
Year-round comfort
UK exclusive since 1998
Get Your Sunroom Quote
Four Seasons Difference

Why Choose Four Seasons Sunrooms?

Over 40 years of innovation, now exclusively available in the UK from Room Outside.

Wonderglass® Technology

Treated with over 20 microscopic metals, sputter-coated with a secret formula, and argon-filled. World-beating glass for year-round comfort.

System 6 Curved Beam

Unique internal structural curved laminated timber beam – an exclusive design available only through Room Outside in the UK.

Global Leadership

Largest manufacturer of year-round sunrooms, solariums and conservatories in the world. Defining cutting-edge design since 1975.

Bespoke Design

Choose from 4 distinct styles, aluminium or wood frames, and a variety of door and finishing options. A glass room completely unique to you.

Four Seasons Styles

Choose Your Architectural Style

Four distinct designs, each available with sleek aluminium or warm natural wood frames.

Straight Eaves

Clean, contemporary lines Maximum light transmission Ideal for modern homes

Curved Eaves

Elegant, soft silhouette Classic conservatory feel System 6 Curved Timber option

Cathedral Apex

Dramatic, spacious height Traditional grandeur Perfect for larger spaces
“Our Four Seasons sunroom changed the look and the feel of our entire house. Now the favorite room of the house, our sunroom adds a vacation element, as it soothes and relaxes us by uniting us with our natural surroundings. The wide-open, exposed look and feel has truly integrated the inside and outside.”
— Mr Yehuda
Expert Answers

Four Seasons Sunrooms FAQs

Common questions about our exclusive USA-engineered sunrooms.

Wonderglass is a revolutionary glass technology developed by Four Seasons. It is treated with over 20 microscopic metals, sputter-coated with a secret formula, and argon-filled to create world-beating thermal performance, allowing year-round use of your sunroom.
Yes, Room Outside has been the exclusive UK agent and installer for Four Seasons Sunrooms since 1998, bringing their world-leading sunroom technology to British homeowners.
The System 6 Curved Lean-To is a signature Four Seasons design, exclusive to Room Outside in the UK. It features a unique internal structural curved laminated timber beam, offering a striking and elegant design unavailable elsewhere.
Yes. Four Seasons sunrooms are available in four distinct styles (straight or curved eaves, cathedral apex roofs) with choices of aluminium or natural wood frames, plus various door and finishing options to create a completely unique room.
Absolutely. The advanced temperature regulation technology in Wonderglass is designed to keep the room comfortable year-round, reflecting heat in summer and retaining warmth in winter – ideal for British weather.

Experience Four Seasons Luxury

Bring the world’s finest sunroom technology to your home. Exclusive to Room Outside in the UK.

Talk to a Sunroom Specialist Get Your Sunroom Quote

Call us anytime on 01243 538999 – David our digital assistant will take a few details so the right specialist can follow up personally.