UPVC Doors and Windows Brackley, Northamptonshire - GRP Designs

GRP Designs are a market leading manufacturer and installer of high quality double glazing for Brackley, covering a full range of UPVC windows,UPVC doors, composite doors,stable doors, french doors, patio doors, folding doors, and conservatories. We are also suppliers and installers of fascia, soffit and guttering.

Founded in 1988, we are positioned in Northamptonshire and the majority of our installations and deliveries are within the East Midlands. We frequently install or deliver to the Brackley or Northamptonshire area.

We have always invested in the most up to the minute manufacturing technology to ensure that we offer the highest quality products to our constantly increasing customer base. The use of quality materials and modern methods has meant that after 20 years we now achieve over 85% of our new business from referrals.

Whilst GRP Designs is large enough to produce quality double glazing for Brackley 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!

These are the services / products that we offer in the Brackley or the Northamptonshire area
  • UPVC Windows
  • Aluminium Windows
  • UPVC Doors
  • Composite Doors
  • French Doors
  • Stable Doors
  • UPVC Folding Doors
  • Aluminium Bifold Doors
  • Patio Doors
  • Conservatories
  • Fascia Soffit Guttering

Supply and Installation Areas

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

Area of Operation Brackley Northamptonshire

Customer Feedback

Price delivery deadlines installation team

Mr Mrs J S
Towcester Northants NN12 6YF


Quality and price

Mr Mrs M G
Silverstone Northamptonshire NN12 8UX


Friendly and responsive service good quality products

Mr Mrs N C
Towcester Northants NN12 6XP


Product quality fitter knowledge quality of fitting price

Mr Mrs P K
Charwelton NN11 3YQ


Great product great installation

Mr K G
Northampton NN4 9YN


Excellent manners surveyor and fitter very considerate attention to detail

Mrs L P
Northampton NN5 4AF


Excellent product excellent professional fitters fast service

Mrs T T
Briar Hill Northants NN4 8QN


Quality of personnel to our house have been good fitters worked efficiently and cleared up well

Mr Mrs D L
OX29 8DH


Price and service is very good quality of product seems good so far, although we need some time to be able to respond to this the person who did the installation in oxford is great: professional, very tidy and excellent manners

Miss C B
Headington Oxford OX3 8TR


Website Feedback

Easy to use

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Oxford, OX26


The online quotation system, description of items, how the items are subdivided into categories

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Luton, LU5


Easy to get online quote for composite doors

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Milton Keynes, MK16


Good website - like the door designer - works quickly and well.

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Milton Keynes, MK18


The fact that the site gives an indication of price from a quick query.

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Oxford, OX26


The about us section. We are looking for a local manufacturer and installer with a good trach record so this was reassuring

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Northampton, NN6


Clear and easy to use

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Northampton, NN12


Easy to navigate & being able to SEE door with combination of colour/glass very useful.

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Northampton, NN12


Ease and simplicity

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Northampton, NN15


  • 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

Doube Glazing Conservatory Ombudsmen Scheme Aluplast Window and Door Systems Smart Architectural Aluminium Schuco