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uPVC Windows Supplied and Fitted in Tollesbury

uPVC has been the UK’s preferred window material for many years, and it’s no wonder as it provides excellent performances. A versatile material, uPVC windows can be created in any colour imaginable and a range of authentic woodgrain effects to allow you to choose a design during the buying process that complements your property. For attractive windows that offer it all; energy efficiency, security and style at an affordable price point, choose uPVC windows for your new or replacement windows. At SEH BAC we supply and fit high-quality uPVC windows in Tollesbury, including popular options like black uPVC windows, which are available in a variety of styles.

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    A Flush white Evolution window

    Cuts Noise and Draughts

    uPVC frames keep exterior noises and draughts outside

    Retaining Heat

    uPVC cuts the heat that is transferred from inside of your home through a sophisticated multi-chambered window system.

    Maintenance Free

    uPVC eliminates any possibility of rotting or absorbing moisture and is completely maintenance-free. It has a life expectancy of around 35 years

    What are uPVC windows?

    uPVC stands for unplasticised polyvinyl chloride. uPVC window frames comprise of a multi-chambered profile, which incorporates numerous layers and innovative chambers. This specification actively retains the warmth inside of the room, whilst stopping any cold elements from entering. The multi-layered design also means it’s a robust and durable material that will keep your home safe and secure. Benefiting from modern manufacturing techniques, it can be shaped in a range of functional designs, including casement, tilt and turn and even bespoke window designs.

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    Why choose uPVC windows?

    Many styles & colours

    We offer a wide range of profile choices, including contemporary Chamfered style, the traditional Ovolo sculptured style, or authentic timber-look flush frames.

    Super energy efficient

    Available with 3, 5, 6, 7 or 9 insulating chambers, our multi-chambered uPVC windows attain A energy ratings with ease.

    Highly secure

    Featuring locks embedded into the frame, optional security enhancements include fixing the hardware into steel reinforcements and PAS 24 window security compliance.

    Very affordable

    Thanks to lower manufacturing costs, uPVC windows are one of the most cost-effective window material options around.

    Sustainably sourced

    As well as offering EcoMax Glass as standard, the majority of our uPVC windows are created from 80% recycled manufacturing off cuts.

  • Styles
  • Glazing
  • Frame Options
  • Furniture
  • Additional Features
  • Configurations
  • Styles


    Our uPVC windows come with EcoMAX Glass™️ as standard, the most sustainable and eco-friendly glass unit on the market which performs on a par with typical A and A+ rated windows. For even better performance, Comfort Glass is available, while we can also offer a range of textured and patterned glazing for added privacy or decoration. Upgrading your glazing will make your home more comfortable, help to reduce energy bills and enhance your home security thanks to toughened glazing options.

























    Frame Options

    Choose the perfect profile for your finished window

    We have a number of distinctive styles of frame to choose from. The chamfered option is a contemporary, straight-edged style while the ovolo option provides a more traditional, decorative finish. Our flush option sees sashes that finish flush with the external face of the window.

    Ovolo Frame

    Ovolo Frame

    Flush Sash Frame

    Flush Sash Frame

    Chamfered Frame

    Chamfered Frame


    Stylish furniture to make your windows even more complete

    We offer a range of furniture for your windows to look the part. Whether you want the traditional look with monkey tail handles in a vintage finish, or contemporary brushed steel, our elegantly designed handles bring form to functionality and are designed to fit naturally into the user’s hand. You can also choose from our selection of window restrictors and pegs.

    Furniture Handle Options

    Window Handle

    Window Handle

    Monkey Tail Handle

    Monkey Tail Handle

    Pear Drop Handle

    Pear Drop Handle

    Furniture Colour Options

    Black Finish

    Black Finish

    Brass Finish

    Brass Finish

    White Finish

    White Finish

    Chrome Finish

    Chrome Finish

    Steel Finish

    Steel Finish

    Additional Features

    Authentic Timber Look Cill

    For an even more authentic look, our Radlington Cill is a superior upgrade to our standard cills. Comprising of deeper nosed cills, one at the standard 30mm height and another at a 55mm height, these are modern interpretations of timber cills.
    Window with a white cill

    Overhead Ventilation

    Our overhead concealed ventilation features an overhead slot vent system that incorporates the ventilation in the head drip, meaning the external trickle vent is concealed on the head of the outer frame, providing a much-improved finish.
    Window with an overhead concealed vent


    Energy-efficient double-glazed uPVC windows

    uPVC is one of the best materials for home insulation as it can reduce the emissions of greenhouse gases by 40% when compared to wooden window frames. All our uPVC windows are ‘A’ rated as standard. All of our uPVC windows include our high-performance EcoMax Glass as standard. For homeowners who reside in busier areas, or in homes more exposed to harsh climates, we can fit your new windows with our innovative Comfort Glass. This adds an additional layer for heightened insulation abilities. Both of which offer exceptional heat retention abilities, and with their thick glass panes, they’ll also keep the exterior noises out of your home. You’ll instantly notice that your rooms are more relaxing and comfortable.

    uPVC windows cut the heat that is transferred from inside of your home through the sophisticated multi-chambered window system. It boasts an optimum interior temperature feature that will keep your home warm in the winter and cooler in the summer, thanks to its exceptional thermal efficiency. Installed by highly trained professionals, our tightly sealed uPVC windows are also fitted with warm edge spacer bars, high-performance glazing and advanced beaded frames for a draught-free design, minimising heat loss. Once you’ve had replacement uPVC windows, you’ll instantly notice that your rooms are a comfortable temperature all year round.

    Our uPVC window frames are completely recyclable, so at the end of their lifespan, you can be assured that you will not be damaging the environment and they won’t leave a carbon footprint.

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    Oak effect interior Residence 9 window
    Green Residence 9 window installation

    uPVC double glazed windows in a range of styles and colours

    uPVC is one of the most adaptable construction materials, so it can suit any style of property. From elegant Chartwell Green sash windows, to sleek Anthracite Grey tilt and turns, to classic white casement windows, we can create custom-made windows to meet your individual requirements.

    Our uPVC window collection includes a variety of functional styles, such as casementsliding sashtilt and turn and bay windows. They’re available in a variety of colours and shades so you can find the perfect coloured uPVC windows for your home. We also offer a variety of classical heritage wood effect uPVC windows. They’re made to authentically resemble timber windows, but you’ll gain the modern uPVC benefits.

    Browse our RAL colour guide

    Replacement uPVC windows will add significant home security

    uPVC has benefited greatly in recent years from advanced fabrication techniques which have significantly increased its sturdiness. All of our uPVC windows are incredibly strong and are consistently tested to exceed strict security standards. This includes common burglary methods, such as picking, drilling and strong forces.

    All of our uPVC window range are fitted with a variety of security measures as standard, such as multi-point locking systems, durable uPVC window handle locks and window restrictors. For homeowners looking for even greater security, we can also incorporate extra security features into the window specification.

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    uPVC casement window handle
    A man standing outside of his SEH BAC Double glazing installer van.

    Our Order Process

    1. Contact Us for Expert Advice: Reach out to us through our contact form, call us at 0800 666 444, or visit our double glazing show centres across the South East UK. We’re here to guide you on planning permission, energy ratings, and the best materials for your home.
    2. Get Your Free Quote Fast: After we gather your window specifications, either by visiting your home or via communication, expect a no-obligation quote from us within 24 hours to help you make an informed decision.
    3. Efficient Installation Process: Once your order is confirmed, our smooth process kicks in, starting with a detailed survey, progressing through manufacturing with the latest techniques, and culminating in the installation of your new double glazed windows by our skilled team, followed by a final check to ensure everything meets your expectations.

    10 Year Guarantee

    Our uPVC windows are crafted with the highest quality materials, ensuring they maintain their functionality for years. We stand behind our craftsmanship with a ten year guarantee, offering peace of mind and assurance in your investment. This commitment reflects our dedication to exceptional workmanship and customer satisfaction.

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    West Cliff theatre window installation
    A selection of double glazed windows

    Top uPVC window options in Tollesbury

    • Casement Windows in Anthracite Grey: Perfectly complementing contemporary and traditional Tollesbury homes, our sleek Anthracite Grey casement windows blend seamlessly with any facade, enhancing your home’s aesthetic appeal while providing top-tier energy efficiency.
    • Flush Sash Windows in Classic White: Embrace the timeless elegance of white with our Flush Sash Windows. Designed to effortlessly match the unique character of Tollesbury homes, they offer a crisp, clean look that is both sophisticated and functional.
    • Sliding Sash Windows in Heritage Rosewood: For those looking to add a touch of classic sophistication, our Heritage Rosewood Sliding Sash Windows are the ideal choice. They resonate with the area's rich history, offering a warm, inviting ambiance while ensuring modern-day performance.
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    Enjoy a peaceful home

    Another benefit of getting new uPVC windows installed is that they provide superb noise reduction. With their designs utilising high-quality glazing panes and dense window frames, they’ll keep the exterior noises outside, just like the draughts. uPVC windows are an ideal solution for homeowners who reside on busy roads or neighbourhoods and you’ll instantly notice the advantages. Replacement windows will provide you with a quiet and tranquil inside of your home, so you can relax, entertain and work in peace.

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    Black uPVC casement window
    Open interior uPVC tilt and turn window

    Weather-resistant replacement uPVC windows

    As with all of our home improvement products, you will receive a 10-year guarantee as standard. However, our uPVC windows are able to last at least 35 years, making them an excellent investment. Finished in anti-fade and protective coating, they’ll continue to look and perform like new for many years with minimal maintenance. Our modern uPVC won’t warp, crack or split. Choosing uPVC eliminates any possibilities of the material rotting or absorbing moisture too.

    New uPVC windows are completely maintenance-free, so there’s no need for yearly coatings of varnish or protection. This makes uPVC window upgrades the perfect solution for busy lifestyles. All they require is the occasional wipe-down with a damp cloth to remove any debris build-ups.

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    Your Window and Door Journey with SEH BAC

    Replacing your windows and doors is easy.


    Choose the right windows and doors

    Fill out a form online or visit one of our 11 showrooms to see our range of high-quality windows and doors up close and speak to our expert team for any advice on materials, styles, colours, energy efficiency and glazing. Once you are happy with your choice, we’ll provide you with a free no-obligation quote.


    Place your order with us

    When you want to go ahead with your order, the details have been approved, and we have received your order deposit, our administration team will provide your contract to a surveyor.


    Your surveyor assessment

    The surveyor will contact you to arrange a date that is convenient to come to your home and review the project scope, take accurate measurements and discuss any other matters that need to be considered. We will then confirm the surveyor’s assessment.


    Confirm an installation date

    Our installation department will contact you to arrange a date for your window and/or door installation and your products will be ordered and manufactured, using cutting-edge techniques and industry-leading materials.


    You're ready for your installation

    On the day, our skilled team will arrive at the agreed time to install your products, ensuring minimal disruption. They’ll explain the locking and opening systems and share maintenance tips to keep your products looking brand new. Once your installation is complete, we will contact you to confirm that everything has been finished.

    Frequently Asked Questions

    Find all the answers to our most frequently asked questions below.

    What are uPVC windows?

    uPVC stands for unplasticised polyvinyl chloride. uPVC window frames comprise of a multi-chambered profile, which incorporates numerous layers and innovative chambers. This specification actively retains the warmth inside of the room, whilst stopping any cold elements from entering. The multi-layered design also means it’s a robust and durable material that will keep your home safe and secure. Benefiting from modern manufacturing techniques, it can be shaped in a range of functional designs, including casement, tilt and turn and even bespoke window designs.

    How much do uPVC windows cost?

    There are many aspects to consider when purchasing new windows, such as material, thermal performance and whether it's been accredited by industry bodies to ensure its quality. To accommodate the majority of budgets, we offer a range of comprehensive finance options, including 2 years interest free credit & buy now pay later. Find more information on double glazed window prices here.

    What colours are available for uPVC windows?

    With all the choice of colours for uPVC windows, how do you choose? For your ease, we have rounded up some of the top popular window colours! Read on.

    What is the difference between uPVC and PVC windows?

    The difference between uPVC and PVC is the use of plasticisers. uPVC does not contain plasticisers so it is not flexible which make it perfect for window frames. PVC contains plasticisers which make the plastic flexible so it's used in things like cable insulation.

    Are uPVC windows good?

    uPVC windows are perfect for double glazing and comfort glass windows. They have fantastic energy ratings to keep your home warm. They are full of security features to keep your home secure. uPVC windows are light weight making installation fast.

    What should I look for when buying a uPVC window?

    When you want to buy uPVC windows you should look for the security features, the windows energy rating and the styles available. Looking for these aspects will make sure you get a great looking uPVC window that meets all of your requirements.

    Are grey uPVC windows available?

    Yes, uPVC windows are available in a variety of grey shades and others colours. Grey is one of the most popular uPVC window colours at the moment because give a home character and makes it stand apart from the traditional white uPVC windows.

    Begin Your Project

    Get your free quote – with no-obligation to buy. Simply fill in the online contact form below to get started:

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      Here at SEH BAC, we’re proud to have won many prestigious awards for our products as well as our work in the community:

      Installer awards 2022
      G21 Finalist
      SEHBAC showroom winner
      Ultraframe designer winner
      Conservatory and orangery awards winner 2019
      NHIC 2018 Consumer confidence award
      G17 Installer of the year
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      regional retail companies

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      Improving South East homes for more than 50 years

      With 9 show centres across the South East, you’re not far away from achieving your dream home:

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