Can't decide on which conservatory style?

Visit our online conservatory gallery.

GRP Designs have been manufacturing and installing Aluminium and UPVC windows, doors and conservatories since 1988. Throughout this time we have built a reputation for the quality of our installations and the quality of products that we manufacture.

We currently operate across the East Midlands and the Home Counties, with the majority of our installations in Northamptonshire and surrounding counties. Along with our specialist aluminium fabricator and sister company Alumen Ltd, we own two manufacturing sites based in Kettering, Northamptonshire.

5 Reasons to choose GRP Designs Ltd

  • Peace of Mind - We offer a comprehensive 10 year guarantee
  • Security - All products fitted with latest security multipoint locks and devices
  • Quality Products - Over 80% of work from recommendations
  • Quality Installations - All work is carried out by our own in-house craftsmen
  • Value for Money - All of the above from a local double glazing company big enough to cope and small enough to care
  • Installers were clean and tidy workers. They also arrived promptly at the agreed time. Quality products and value for money.

    Mr S, Silverstone

  • Polite friendly staff taking time to get customers needs identified. Very good clean installation.

    Mrs C, Desborough

  • Excellent products, excellent value for money comprehensive product display in showroom, friendly helpful polite hard working fitters.

    Mr & Mrs L, Flitwick

  • Clean tidy installation, very friendly approach from the fitters.

    Mrs A, Wellingborough

Aluplast Window and Door Systems Smart Architectural Aluminium Schuco