The G2S Group have a wealth of experience installing double glazing products such as windows, doors, conservatories and more across the South of England. Since 1999, we’ve installed home improvements across Wiltshire, Oxfordshire, Somerset, Dorset, Hampshire, Berkshire, Gloucestershire and South Wales – growing our reputation as the home improvement specialists.

G2S has grown from humble beginnings to a 50 strong team of industry experts. Our team now consists of dedicated surveyors, sales advisors, support staff and fitters, so you can be sure we’ll manage your installation from the first screw, right through to aftercare services. Our fitters also have at least 15 years’ experience, giving you peace of mind that with G2S you’re in safe hands.

Contact Details

  City Gloucester
  Postcode GL2 5HA
  Address Vanguard House, Lysander Road
  Phone Number 01452 33 10 20

Products & Services


UPVC windows from G2S are available in a huge range of styles and customisable options which make them perfect for almost every type of property. Whether you live in a modern flat, a family home, or a more traditional period property, we have the uPVC windows to suit you.


A door is a small change that can make a huge difference to your home. Perhaps you want to be proud of your home’s entrances when you return home, you want to enhance living spaces or you want to create a stylish link between your inside and outside spaced – all of these suggestions are possible with one of our doors.


Conservatories make a stunning addition to virtually any home, and are one of the best things you can do to enhance your property’s value. Available with brick and glass, they can enhance space at the same time as gaining privacy and enjoying the views of outside.

Photo Book

Social Activity

End of Quarter Offer We are now offering 2 leaf WarmCore bi-fold doors in either grey or white for a fitted price of £2100. Any additional leaf after this is £950. Our bi-folds are thermally broken for excellent
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We are now offering any composite door from our Phoenix County Collection in standard colour with handle and letter box for £1100 fully fitted. Please call 0800 322 322 to speak to a member of the sales team.
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A true development in conservatory roof glass
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Check out our bi-fold doors @SynsealTweet
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G2S is recruiting! As part of the growth of G2S Wales we are looking for self-motivated highly driven sales staff and managers in the South Wales area. The ideal candidate will have - Excellent communication skills - Have experience within Double glazing
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If you're thinking of getting new windows and doors, familiarise yourself with the double glazing regulatory bodies:
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Want to achieve a contemporary style for your home? Choose from a stunning range of aluminium windows - Latest blog:
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