Best Double Glazing in London


Double Glazing Manufacturers & Choosing Colour Glaze in the UK


Thanks for choosing to visit the Colour Glaze Group, With a combined company number of four we can surely meet your project needs. Three UPVC manufacturers throughout London and a conservatory expert along with composite doors showrooms,

The best double glazing suppliers provide style and functionality in every double glazing project. We manufacture double glazing products in a wide range of design, colour, and texture. Our products include bifolding doors, sash windows, and a lot more. If you’re currently looking for a reliable double glazing supplier in the UK, we got you covered.

Through the years, we’ve been manufacturing high-quality UPVC double glazing doors and windows while providing affordable installation projects for clients across London. We offer residential and commercial double glazing windows according to specific requirements.


UPVC Double Glazing at Its Best

Our team is dedicated in providing first-rate customer service throughout the project. With experience and knowledge in the double glazing industry, you are guaranteed to receive custom solutions at an affordable rate. As your trusted window manufacturers in London, we completely understand how important it is to get the exact window type and measurement for long term performance.

You can visit our showroom where you can see custom double glazed doors and windows such as sliding doors, composite doors, casement windows, and French doors. We are an authorized manufacturer and installer with highly trained craftsmen to deliver satisfactory projects in a timely fashion.

We Are Double Glazing Suppliers Throughout Greater London

As one of the best double glazing suppliers in the UK, our products are all manufactured in our factory to meet industry standards. Whether you’re searching for a UPVC sliding door, or looking for a replacement to an old window, we can customize your needs.

From designing to installing, our team offers complete service while making sure that you get the exact UPVC double glazing you deserve. We don’t have any gimmicks when promoting our products. All we strive for is to deliver 100% clientele satisfaction at the best price.

The Colour Glaze is certified by the Consumer Protection Association and CERTASS so you can confidently choose our double glazing windows without any second thoughts. Our installation service is also fully guaranteed to give you peace of mind while we work on delivering what you exactly need.


Why Choose The Colour Glaze Group ?

Many homeowners in London are challenged with insulation issues. During winter, houses tend to get colder than the usual. One of the problems is having unsecured windows. When you turn your heating system on, the warm air escape through the windows. This won’t be a problem with double glazed doors and windows.

Basically, double glazed products are designed to lock the air inside your house. This is important in keeping you warm on winter months, or cool during summer months when your HVAC system is working all day. If you currently don’t have a double glazed door or window, it’s time to upgrade as soon as possible.


Over time, you can save money from your electric bills with a quality double glazing service. But here are other reasons why you need to upgrade to quality double glazing products that The Colour Glaze offers:

  • Increase Home Value

    The insulation provided by double glazed doors and windows adds more value to any home. So if you want to sell your home, it’s possible to offer a higher selling price than its original cost.

  • Maintain Comfort No Matter The Season

    Staying comfortable throughout the seasons is important for UK homes. Outside temperatures can get in with the insulation given by double glazed windows. Meaning to say, the warm air stays in your room during winter while the cold air won’t escape during summer.

  • Keep Traffic Noises Out

    City homes are vulnerable to all kinds of noises outside. Good thing double glazed doors and windows are designed to noise-proof your home so you can have peace of mind, especially during bedtime.

It’s an overwhelming experience to buy replacement doors and windows for your beloved home. In addition, double glazing products are not an easy investment because they are not like the traditional doors and windows. Finding a reliable double glazing supplier can help you with proper installation for longer-lasting quality and protection.

When Buying Double Glazing Windows & Double Glazing Doors

When shopping for a new window supplier, you should check out their actual products in order to know if they fit your expectations and budget. You need to make sure they are all high-quality since this is a long-term investment to make. For instance, you can check the locks if they use the latest systems.


You can visit our product listing to find UPVC windows and doors you’re exactly looking for. Our wide range of double glazed products provide quality options for all kinds of fittings, replacement parts, and guarantees. To help you choose the best option, here are some factors to consider:

  • Window Frame

    One of the most important part to check when buying a new set of window is the frame material. The cold or warm air can escape your room through the window frame. UPVC frames are designed to insulate the house by providing thermal effect. As a result, you can reduce energy costs and enjoy more comfortable space for the family.

  • Glass Type

    There are different glass types used in manufacturing double glazed doors and windows. For instance, we use high-quality fiberglass in order to provide maximum security to every home. However, if you are searching for a custom glass, you can contact us so out team can give you the best options.

  • Empty Space

    Double glazed doors and windows are constructed with panels and frame that hold the space between or “empty space” together. This space insulates the home although it’s not actually empty because it can be filled with argon gas or air.

Colour Glaze Window Manufacturers of London

If you want to get the most out of your double glazed needs, we are the experts that you’re looking for. As one of the most reputable window manufacturers in the UK, you are guaranteed to take advantage of high-quality products at very affordable prices.

Feel free to call us if you need out help so we can immediately provide you assistance. So, what type of double glazed products are you planning to buy for your home? We have a wide range of options to meet your needs and budget.

Areas We Serve

arking and Dagenham, Barnet, Bexley, Brent ,Bromley, Camden, Croydon ,Ealing, Enfield, Greenwich, Hackney, Hammersmith and Fulham , Haringey, Harrow, Havering, Hillingdon, Hounslow, Islington, Kensington and Chelsea, Kingston upon Thames, Lambeth, Lewisham, Merton,  Newham , Redbridge, Richmond upon Thames, Southwark, Sutton, Tower Hamlets, Waltham Forest, Wandsworth, Westminster, City of London.

Postal areas we cover

BR1, BR2, BR3, BR4, BR5, BR6 , BR7, CR0, CR1, CR2, CR4, CR5, CR8, DA1, DA14 ,DA15, DA16 ,DA17, DA5, DA6, DA8, E1, E10, E11, E12, E13, E14, E15, E16, E17, E18, E2, E3, E4, E5, E6, E7, E8, E9, EC1, EC2, EC3, EC3R, EC4, EN1, EN2, EN3, EN4, EN5, HA0, HA1, HA2, HA3, HA4, HA5, HA6, HA7, HA8, HA9, IG1, IG11, IG2, IG3, IG6, IG8, KT1, KT2, KT3, KT4, KT6, KT9, N1, N10, N11, N12, N13, N14, N15, N16, N17, N18, N19, N2, N20, N21, N22, N3, N4, N5, N6, N7, N8, N9, NW1, NW10, NW11, NW2, NW3, NW4, NW5, NW6, NW7, NW8, NW9, RM1, RM10, RM12, RM13, RM14, RM2, RM3, RM4, RM5, RM6, RM7, RM8, RM9, SE1, SE10, SE11, SE12, SE13, SE14, SE15, SE16, SE17, SE18, SE19, SE2, SE20, SE21, SE22, SE23, SE24, SE25, SE26, SE27, SE28, SE3, SE4, SE5, SE6, SE7, SE8, SE9, SM2, SM3, SM4, SM5, SM6, SM7, SW1, SW10, SW11, SW12, SW13, SW14,  SW15, SW16, SW17, SW18, SW19, SW1A, SW2, SW20, SW3, SW4, SW5, SW6, SW7, SW8, SW9, TN14 ,TN16 , TW1, TW10 ,TW11, TW12, TW13,TW14, TW3, TW4, TW5, TW7, TW8, TW9, UB1, UB10, UB2, UB3, UB4, UB5, UB6, UB7, UB8, UB9, W1, W10, W11, W12, W13, W14, W1M, W2, W3, W4,W5, W6, W7, W8, W9, WC1, WC2