UPVC Windows in Lincoln, Lincolnshire - GRP Designs

GRP Designs are a market leading manufacturer of high quality UPVC Windows for Lincoln and have been supplying the trade and DIY customers with UPVC Windows in Lincoln for over 20 years. We also employ our own teams of fitters and builders for installations of UPVC Windows in Lincoln.

We have continually invested in the latest manufacturing technology to ensure that we offer the highest quality products to our continually growing customer base. The use of quality materials and computer aided manufacture has meant that after 20 years we now get over 85% of our new business from recommendations.

Whilst GRP Designs is big enough to produce quality UPVC Windows for Lincoln we are also small enough to care and understand that our future success will always depend on providing the highest levels of both quality and service.

We offer transparent pricing through our online quotation systems and you can be confident of a fair price and excellent value for money. Buying from GRP Designs is an investment in your home, not an experience with a high pressure sales person!

High Quality UPVC Windows you can trust

Replacement UPVC windows in Lincoln provide outstanding security combined with energy efficiency and low maintenance.

Made to order, our replacement windows for Lincoln are available as a traditional outward opening casements, inward opening tilt and turns, or vertical sliding sash windows.

All UPVC windows are available internally beaded with multipoint locking for maximum security, and as a FENSA registered company you can rest assured that all installations in Lincoln will be in accordance with the latest building and fire regulations.

Casement UPVC Windows

Swish 24-7 UPVC windows Lincoln Lincolnshire

The Swish 24-7 range of UPVC windows are both attractive in apperance and effective in application. Follow this link for more information on the Swish 24-7 window and door range.

Tilt and Turn Windows

replacement tilt turn windows Lincoln Lincolnshire

Tilt and Turn windows offer excellent versatility, with the sash opening from the top or the side. Like all our windows tilt and turns offer high security with outstanding thermal and acoustic insulation.

Vertical Sliding Sash

vertical sliding sash windows Lincoln Lincolnshire

Combine the traditional look of a sash window with the modern benefits of a thermally efficient and secure window.

Our Vertical sliding sash windows provide modern UPVC windows with traditional appeal.

Supply and Installation Areas

GRP Designs are based in Kettering, Northamptonshire and operate across the East Midlands and surrounding counties.

Area of Operation Lincoln Lincolnshire

Customer Feedback

Enquiry dealt with efficiently a very good workforce quality products


Quality value for money service

Mr Mrs S

Quality reliable local company

Mr N W

Respectful of property fast and efficient service courteous and pleasant staff

Mr W

Professional (graham, installation team) thorough in making sure product meets client needs (LEE) good people to have in home

Mr M D

Quality of product installation

Mr Mrs P G

Good communication "local"business good work ethic in company and employees

Mr Mrs A L

Installers courteous and considerate minimum disruption and mess

Mrs P W

Initial quote online - excellent facility good salesman at showroom - knowledgeable

Mr R H

Website Feedback

Video clips

Lincoln, LN5


Lincoln, LN5

Pretty good site which enabled me to get a price quickly

Nottingham, NG24

Composite doors

Nottingham, NG22

Very informative and easy to use site and follow up to my interest.

Nottingham, NG24

The quick response quotation section, which arrived via email was very useful.

Lincoln, LN7

On line quote

Nottingham, NG34

The site was fine to navigate, but the job is not easy because the hole the door fill will be an odd size when the existing site has been demolished.

Nottingham, NG33

  • 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

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