Free quote for Replacement Windows, Doors, and Conservatories in Manchester, Stockport and Cheshire.

Quality Replacement Windows, French doors and Conservatories from  Granville Windows Ltd         Established 1984

FREEPHONE 0800 975 2264 or Email info@granvillewindows.co.uk

Showroom now open at 313 Greg Street, Reddish, Stockport, SK5 7BP

If you need a quote for top quality replacement windows, a conservatory or porch, French doors, patio doors, or roofline products, Granville Windows have the credentials to ensure your complete satisfaction with over 20 years experience in the home improvement sector.

Our emphasis is always on quality as confirmed by our customer testimonials.

Progressing from a building company in the 1950’s we have the resources and experience to carry out all aspects of double glazing from a single window to a complex shaped conservatory using our own team of builders and engineers. From the early discussion stage through to the CAD development and installation stages, our goal is always to deliver timely and quality products.

In the construction of conservatories, doors, windows, French doors, and porches, it is always important to choose a well tested range of products. We supply and install only top quality kite marked products that also have BBA accreditations. Check out the British Board of Agrément site at www.bbacerts.co.uk

Our PVCu windows, doors and conservatories are constructed to a high specification with products from Rehau who have a global presence with a great emphasis on quality. Rehau can be found at www.rehau.co.uk
 

1.1 Neutral LowE

Granville Windows use only argon filled LowE double glazed units to achieve optimum energy saving, lower CO₂ and nitrogen monoxide emission. Check out the comparison table below (lowest number has the best U value).

Cavity size of Double Glazed Unit	6	8	10	12	14	16	18	20
Clear Float Glass/Air/Float Glass	3.20	3.00	2.85	2.80	2.70	2.65	2.70	2.70
Clear Float Glass/Argon/Float Glass	2.95	2.80	2.70	2.60	2.55	2.55	2.55	2.55
Clear Float Glass/Air/K Glass	2.60	2.30	2.05	1.90	1.80	1.70	1.70	1.70
Clear Float Glass/Argon/K Glass	2.20	1.90	1.75	1.60	1.50	1.50	1.50	1.50
Clear Float Glass/Air/Neutral LowE	2.50	2.10	1.80	1.60	1.50	1.40	1.40	1.40
Clear Float Glass/Argon/Neutral LowE	2.00	1.70	1.50	1.30	1.20	1.10	1.10	1.10

 

Copyright Granville Windows Ltd 2006