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Green Double Glazing is a family-run business with over 40 years of combined experience in supplying and installing high-quality windows, doors, conservatories, and porches.

We operate in Croydon, South Croydon, Purley, Wallington, Carshalton, Sutton, Thornton Heath, New Addington, Mitcham, Streatham, Lewisham, Morden, Surrey, Kent, and the surrounding areas.

Yes, we are Certass accredited. We are also members of the Plastic Window Federation.

We install a variety of windows, including double-glazed, uPVC, aluminium, casement, tilt & turn, sash, bay, reversible, and triple-glazed windows.

We supply and install aluminium doors, uPVC doors, composite doors, bi-folding doors, French doors, patio doors, porch doors, and stable doors.

Yes, we offer a wide range of conservatories, including Edwardian, Victorian, Lean-to, Gable, P-shape, T-shape, solid roof conservatories, and orangeries.

Yes, we also install porches, fascias, soffits, guttering, and various glass products.

The installation time depends on the size of the project. Most window and door installations can be completed within a day or two. Larger projects, like conservatories, may take a few weeks.

Yes, all our products come with excellent guarantees to ensure customer satisfaction.

We aim to minimize disruption as much as possible and always leave your property clean and tidy after the work is completed.

Yes, we offer free, no-obligation quotes. Contact us to schedule an appointment.

You can call us at 020 8150 9995, email us, or fill out our online contact form to get a free estimate.

Please contact us to discuss available payment plans or financing options.

Regular cleaning with soapy water and checking for any drafts or condensation will help keep your windows in good condition.

If you encounter any problems, please contact us immediately. We will assess and resolve the issue as part of our customer service commitment.

Green Double Glazing provides an excellent Double Glazing service to customers in Croydon, Purley, Wallington, London, Surrey, Kent and the Home Counties Does your home or property require a new Double Glazing installation? With over 40 years of combined experience within the industry, Green Double Glazing only supply and install high quality windows to customers in Croydon, Purley, Wallington, London, Surrey, Kent and the Home Counties. When thinking about purchasing new double glazed windows, it’s important that you choose the correct design and style that matches the architecture of your home or property. At Green Double Glazing, we offer an extensive range of windows that come in various Double Glazing materials such as; Aluminium, UPVC, Composite and Timber. Once you have selected your material, you can complete your window design by choosing from the following styles; Casement Windows, Sash Windows, Tilt and Turn Windows, Bay Windows or Reversible Windows. Green Double Glazing use high grade materials for all Double Glazing Installations At Green Double Glazing, we customise all of our double glazed windows and only use high grade materials in order to achieve first class performance in durability, style and security. We believe that all customers deserve fine quality products and our Double Glazing service ensures that all windows are constructed by leading manufactures in the UK. All of our Double Glazing installations are A+ rated and provide excellent insulation to all homes. In addition, these windows are equipped with secured hinges, locks and multi-point locking system. Our Double Glazing also offers maximum energy efficiency as they are made with high quality glass; which guarantees less noise pollution and can reduce your surrounding sounds by 35 decibels. Furthermore, all our windows are virtually maintenance free and are easy to use and clean.