What Is the Envirowindow® System?

Our revolutionary Envirowindow® system represents cutting-edge energy-saving technology. By combining premium uPVC frames with specialised glazing options, we’re proud to offer windows that significantly reduce energy consumption and lower heating bills. The system achieves industry-leading U-values and Window Energy Ratings of up to A++, making them perfect for environmentally conscious homeowners looking to improve their property’s thermal performance, without compromising style or functionality.

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White uPVC casement window

Three double glazing solutions

Take a look at our simple comparison below, or contact one of our experts, who will be more than happy to advise on the most suitable option for you and your property based on your personal needs.

Feature Description Energy Standard Comfort Comfort Plus
Thermally efficient Our specialised glass coating prevents heat from escaping, reducing the energy needed to maintain a warm, cosy home.
Heightened security Comfort and Comfort Plus glazing include a robust transparent security layer, making these windows significantly more resistant to break-ins.
Noise Reductions Perfect for peaceful bedrooms and living spaces, our acoustic layer keeps outside noise at bay – ideal for properties near busy roads.
Furniture fade protection Comfort and Comfort Plus glass includes a special protective layer blocking 99% of harmful UV rays, preserving your interior furnishings.
Reduces overheating Our Energy Standard and Comfort glazing harnesses natural daylight warmth, while Comfort Plus controls and limits heat – perfect for sun-facing rooms.
Whit ebay window interior view

Benefits of High-Quality Glazing

Our premium glazing options deliver remarkable benefits beyond just saving energy. Energy Standard glazing provides excellent thermal efficiency, impressively stopping 56% more internal heat from escaping, leading to lower energy bills.

Comfort glazing adds superior noise reduction and UV protection, creating a more peaceful living environment while protecting your furnishings.

Comfort Plus offers all the features of Energy Standard and Comfort, with additional solar control thanks to a special coating. This coating works to prevent overheating whilst reducing your overall impact on the environment.

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Window Styles

  • Casement Windows – The UK’s most popular style featuring side-hinged panes that open outward.
  • Flush Sash Windows - Designed to sit flush within the frame for a minimalist, clean appearance.
  • Sliding Sash Windows - Vertical sliding panes that maintain period charm while offering unrivalled ventilation.
  • Tilt & Turn Windows - Versatile windows that can open or tilt inward from the top for secure ventilation.
  • Bay Windows -Consist of one central window flanked by two smaller panes.
  • Bow Windows -The arched shape of a bow window makes it an excellent choice for enjoying external views.
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White uPVC bay windows with leaded glass
White uPVC tilt and turn windows installation

Customisable Options for Your Perfect Window

Our Envirowindow® range offers a wide selection of customisable options to perfectly match your home’s style. For traditional properties, our woodgrain effects provide a realistic finish that replicates the classic look of timber. If you're going for a more modern, minimalist aesthetic, options like Anthracite Grey are ideal for new builds. Plus, you can choose from various sizes, glazing options, and hardware styles for a truly personalised finish.

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Sustainable Materials

Our Envirowindow® frames are crafted from uPVC, a material that's not only durable but also fully recyclable. On top of this, uPVC frames are long-lasting and won't need replacing for decades. The exceptional thermal properties of these frames work harmoniously with our specialised glazing to create a superior barrier against heat loss. By choosing our energy-efficient windows, you're making a positive impact on your energy bills and the environment.

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Double glazed windows with insulation
Tall white uPVC bow windows

Why Choose Ideal Window Solutions?

As a family-run business with over 28 years of experience, we're Hampshire's most reviewed double glazing company on Checkatrade with over 2,800 satisfied customers. We're proudly approved by DGCOS, and are Assure Certified installers, ensuring peace of mind with every installation. Our local expertise means we understand the specific requirements of properties across Winchester, Southampton, Portsmouth and the wider South East region. We proudly welcome guests to view our home improvement products in our Fareham and Chichester showrooms.

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  • Colours
  • Hardware
  • Glazing
  • Colours

    Choose an Envirowindow® colour

    Our Envirowindow® system comes in various colours and finishes, from classic white to contemporary greys and authentic woodgrain effects like Walnut, Rustic Oak, and Chartwell Green. Each finish is applied with a durable coating that won't fade or peel.

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    White

    White

    Cream

    Cream

    Chartwell Green

    Chartwell Green

    Anteak

    Anteak

    Light Oak

    Light Oak

    Natural Oak

    Natural Oak

    English Oak

    English Oak

    Walnut

    Walnut

    Rustic Oak

    Rustic Oak

    Dark Oak

    Dark Oak

    View more available colour options

    White

    White

    Cream

    Cream

    Chartwell Green

    Chartwell Green

    Anteak

    Anteak

    Light Oak

    Light Oak

    Natural Oak

    Natural Oak

    English Oak

    English Oak

    Walnut

    Walnut

    Rustic Oak

    Rustic Oak

    Dark Oak

    Dark Oak

    Rosewood

    Rosewood

    Dark Red

    Dark Red

    Brilliant Blue

    Brilliant Blue

    Hazy Grey

    Hazy Grey

    Basalt Grey

    Basalt Grey

    Signal Grey

    Signal Grey

    Anthracite Grey

    Anthracite Grey

    Black Brown

    Black Brown

    Hardware

    Envirowindow® hardware

    We use only the highest quality window hardware, with options including white, silver, chrome, gold and black handles. All our fittings meet rigorous security standards while complementing your chosen window style.

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    White

    White

    Silver

    Silver

    Chrome

    Chrome

    Gold

    Gold

    Black

    Black

    White

    White

    Silver

    Silver

    Chrome

    Chrome

    Gold

    Gold

    Black

    Black

    Glazing

    Glazing options

    The Envirowindow® uPVC styles come in all of our glazing options and even with Planitherm's Comfort Plus glass, which blocks out an impressive 50% of the sun’s external heat and retains 63% more internal heat.

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    Aluminium tilt & turn windows interior view

    Aluminium tilt & turn windows interior view

    Aluminium tilt & turn windows interior view

    Aluminium tilt & turn windows interior view

    Frequently Asked Questions

    We’re sure you’ve got further questions or queries about our industry-leading Envirowindow® system . If you can’t find an answer below, don’t hesitate to get in touch.

    What exactly is an Envirowindow®?

    Envirowindow® is our eco-conscious range of energy-saving windows that can achieve up to A++ Window Energy Rating. The system combines advanced frame technology with specialised glazing to deliver exceptional thermal efficiency, with U-values as low as 0.8W/m²K.

    How much could I save on my energy bills with Envirowindow®?

    While savings vary depending on your current windows and property, many customers report significant reductions in their heating bills after installation. Modern double glazing can reduce heat loss by up to 50% compared to single glazing or older double glazing units.

    Are Envirowindow® products environmentally friendly?

    Yes! Our Envirowindow® range is designed with sustainability in mind. The frames are made from recyclable uPVC, and their outstanding thermal efficiency helps reduce your carbon footprint by lowering energy consumption for heating and cooling your home.

    Can Envirowindows® be used with conservatories?

    Yes! Our Envirowindow® technology works wonderfully for conservatories, orangeries, and other glass extensions. Our energy-efficient replacement windows help regulate temperature, reduce condensation, and use less energy year-round.

    Begin your ideal home improvement journey today

    It’s the ideal time to begin your dream property renovation. However big or small your renovation plans are, we’re here to help you achieve the home you’ve been dreaming of for so many years. Whether you’re looking to transform a curious cottage, an impressive Victorian Villa or a modern apartment in the city, you’ll have no regrets with an Ideal Windows installation.

    Simply complete this form and we will be in touch to discuss your requirements and change your dreams into a reality.

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    Serving Basingstoke, Southampton, Winchester, Portsmouth, Hampshire and the surrounding areas

    With a showroom in Fareham and a showroom in Chichester, we're ideally placed to provide homeowners with valuable inspiration. Open 6 days a week, 10am-5pm, an array of beautiful products, a welcoming atmosphere and a professional, friendly and knowledgeable team await your arrival! Areas we serve include Basingstoke, Southampton, Winchester, Portsmouth & Hampshire.

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    Our latest reviews

    Replacement windows and door

    The team arrived promptly. Work was done efficiently and on time. They cleaned and tidied up after the job was completed. We are very pleased with the results and would highly recommend them

    10 /10

    Friendly

    Very satisfactory work. Measurer and fitter very efficient, professional and friendly.

    10 /10

    Experienced

    Highly experienced and skilled operatives. Prompt arrival and left the site clean and tidy. Courteous and respected the Government restrictions at all times. Have used this Company before for other conservatory work and would use again if required.

    10 /10

    Replacement Glazing

    Very impressed with all aspects of contract during these difficult times. Fitters were fully compliant with covid rules. Will thoroughly recommend them

    10 /10

    Excellent

    Excellent company. From first contact with their Sales, it has been easy going and painless. Fitters have done a fantastic job throughout, the quality of their workmanship is commendable. Would highly recommend this company to anyone.

    10 /10

    First class

    The quality of the product and workmanship is of the highest quality. Well done Ideal Window Solutions Ltd. First class.

    10 /10

    Job was perfect

    Everything about the two men who came was superb. They were punctual, friendly and experienced. Their workmanship was excellent. Their finished job was perfect. I would highly recommend them.

    10 /10

    Informative & professional

    This is the second time we have used this firm. As before, they were informative and professional from start to finish. Prompt, tidy and thorough always.

    10 /10

    Would not go anywhere else

    Brilliant. No fuss . No drama. Done in a couple of hours. Very pleased. Fourth door I have had fitted by this company. Would not go anywhere else. SFK. Alec lovely guy. Kind and respectful.

    10 /10

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    Bank Holiday Notice - We will be closed on Friday 18th & Monday 21st April for the Easter bank holiday..​​​​​​​​​​​​​​​​