FS116 Glass room extension FS29 Creating a year round living space in the South of England FS31 Large System 8 Four Seasons Room Outside extension in Hampshire FS27 Large kitchen extension in Hampshire using System 8 FS10 System 8 Georgian making useable space for a kitchen extension FS39 Spectacular room with a view FS88 Adding space and light to this bungalow in Barnham, West Sussex with our American Four Seasons Sunroom Fs109

Room Outside based in Chichester, West Sussex is the ONLY appointed UK agent for international manufacturer, Four Seasons the world’s largest sun room conservatory company with a range of products that have become household names in the USA and Europe.  Yet another exclusive Room Outside design option to consider along with the traditional Conservatory, Orangery  or Glass Extension.

Discover what customers say about us in the Four Seasons testimonial customer Review section.

These exceptional lean-to or traditional conservatories and garden rooms create a truly ambient temperature all year round by efficiently regulating temperatures no matter what is happening outside with the weather.  A particular favourite is the System 6 Curved lean-to which incorporates an internal structural curved laminated timber beam and looks amazing and totally unique to the British market and now on display here in Chichester. You can even speak to previous customers to discover how this product can change your life!  Contact us now for your no-obligation consultation.

Call into our Chichester, West Sussex showroom and ask for a demonstration of our amazing tunnel of heat.  The glass is specially treated with over 20 microscopic metals, sputter coated, with a secret formular that produces world beating Argon filled glass that allows easy, comfortable, all year round use of your Glass Room Extension. 

These products are ONLY available in the UK through Room Outside in Chichester.


We now have on display here in our Chichester showroom our unique curved laminated wood beam structure incorporating curved double glazed argon filled Wonderglass with an aluminium maintenance free exterior.  

Come and experience the difference, all-year-round luxury living under our exclusive Four Seasons Wonderglass!

An amazing room that is ONLY available in the UK from Room Outside