Scores based on 1454 reviews

Reliability & timekeeping

Invoice history based on 1070 reviews.

Invoice History
Charged as per quote / estimate98.6%
Above quote / estimate: kept informed1.21%
Above quote / estimate: not kept informed0.19%
Appointments reported as missed (6 months) 0
Average score 9.75
1454 reviews
  • Interviewed by Checkatrade
  • 1 accreditation checked
  • Insurance checked
  • Limited company checked
  • ID checked
  • References checked
  • VAT registered
  • Checkatrade standard signed

GS Windows are a premium manufacturer, supplier and installer of Rehau 70mm Windows, Doors & Conservatories. With over 20 years of experience in this industry we pride ourselves on understanding what the customer wants and delivering. We supply to and install for the domestic, commercial and trade markets and have undertaken work for various local councils and larger organisations such as Pall Europe.

Our Factory based in Gosport, Hampshire utilises all of the latest modern machinery to produce an extremely high quality range of products. Backed with our excellent sales knowledge and after sales support GS Windows can offer you the complete customer service experience.

We are a Fensa registered company. Fensa are the industry standard for replacement Windows and Doors - trusted by consumers and local authorities. We are also members of Fair-Trade and  We encourage our customers to visit these websites to see the feedback our customers have left us, don't just take our word for it!.

We pride ourselves on our after sales services which is why the majority of our work comes from existing customers and recommendations.

Based in

Gosport, Hampshire

Works in

Southampton, Gosport, Fareham, Chichester, Waterlooville, West Sussex, Dorset, Surrey, Hampshire