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FREE Triple Glazing Upgrade, plus up to 5 years 0% APR

Energy Saving SALE
FREE Triple Glazing Upgrade
Plus up to 30% off and 5 years 0% APR

Get a price

Energy Saving SALE
FREE Triple Glazing Upgrade
Plus up to 30% off and 5 years 0% APR

Get a price

Energy Saving SALE
FREE Triple Glazing Upgrade
Plus up to 30% off and 5 years 0% APR

Get a price

  • Styles
  • Colours
  • Glazing
  • Frame Options
  • Furniture
  • Styles

    Colours

    White

    White

    Clotted Cream

    Clotted Cream

    Pearl Grey

    Pearl Grey

    Chartwell Green

    Chartwell Green

    Elephant Grey

    Elephant Grey

    Slate Grey

    Slate Grey

    Slate Grey Grained

    Slate Grey Grained

    Basalt Grey

    Basalt Grey

    Anthracite Grey

    Anthracite Grey

    Anthracite Grey Grained

    Anthracite Grey Grained

    Black Brown

    Black Brown

    Steel Blue

    Steel Blue

    Racing Green

    Racing Green

    Ruby Red

    Ruby Red

    Turner Oak

    Turner Oak

    Irish Oak

    Irish Oak

    Golden Oak

    Golden Oak

    Rosewood

    Rosewood

    Mahogany

    Mahogany

    Walnut

    Walnut

    Dark Oak

    Dark Oak

    Glazing

    Choose Comfort Glass for higher levels of thermal efficiency, security and noise reduction, or decorative glazing, such as stained glass, floral patterned, or modern etched glass. We can also offer a range of textured and patterned glazing for added privacy or decoration.

    Taffeta

    Taffeta

    Stippolyte

    Stippolyte

    Oak

    Oak

    Pelerine

    Pelerine

    Florielle

    Florielle

    Minster

    Minster

    Mayflower

    Mayflower

    Contora

    Contora

    Charcoal

    Charcoal

    Chantilly

    Chantilly

    Digital

    Digital

    Everglade

    Everglade

    Frame Options

    Choose the perfect profile for your finished window

    Choose from chamfered, a contemporary, straight-edged style, ovolo, a more traditional, decorative finish or flush sashes that blend with the external face of the window.

    Ovolo Frame

    Ovolo Frame

    Flush Sash Frame

    Flush Sash Frame

    Chamfered Frame

    Chamfered Frame

    Furniture

    Stylish furniture to complete your windows

    A range of window furniture options adds a personal touch to your windows. Choose from elegant designs for handles and 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

    Flexible Finance Options for Conservation Windows

    Flexible finance options make it easier for to choose conservation windows that will add value to your period home. With the look of traditional timber and the performance of uPVC, this collection of windows offers clear advantages. EcoMAX Glass™ double-glazing, improves insulation that older houses often lack.

    Meticulous attention to detail and design, makes these windows the ideal choice in conservation areas. With a wide range of colours and wood finishes, you will easily be able specify new, better performing uPVC windows for your heritage property. Choose from Conservation Flush Sash and Sliding Sash options to replicate traditional timber and meet the today’s needs for energy efficiency.

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      What folks say about us

      Astonishingly good or room for improvement, it’s all here. Thank you to all our customers old and new. We really appreciate your reviews. Really. Yes, really, really.

      Sliding Sash Windows

      Aesthetically Approved

      Window styles that are approved in the strictest of conservation areas

      Traditional Look

      Frames that replicate an authentic timber look with all the benefits of uPVC

      Energy Efficient

      Frames and glazing combine to provide you with an A-rated window that will keep the heat in

      What Are Conservation Windows and How Do They Benefit Your Home?

      Conservation uPVC windows are designed to replicate the timber flush sash style. Our conservation flush sash has its opening sash of the window sitting flush with the outer frame, giving a seamless appearance similar to original timber sash windows.

      Fabricated with close attention to detail, it’s hard to tell the difference between conservation uPVC windows and real wood. The windows are crafted using traditional joinery featuring authentic timber-line astragal bars, a slim 35mm meeting rail and an authentic deep cill.

      With the durability and functionality of modern uPVC materials, you can maintain a traditional feel in your home, achieving the look of timber flush sash windows with those that stand the test of time.

      Why Choose uPVC Conservation Windows for Your Home in Conservation Areas?

      Accepted in conservation areas

      Our conservation windows are so similar to real timber windows, they are appropriate fittings in conservation areas

      Better thermal performance

      Available with seven or nine insulating chambers, our multi-chambered uPVC heritage windows attain A++ ratings.

      Exceptional home security is locked in

      Able to last up to 35 years, our heritage uPVC windows include heavy duty components

      Low maintenance

      Our uPVC heritage windows offer a maintenance-free design that won't rot, crack, warp, or fade throughout their lifespan.

      10 years’ product guarantees

      All new windows carry a standard guarantee for 10 years on fit, function and finish.

      Environmental protection

      As well as offering EcoMax Glass, our uPVC heritage windows incorporate a recycled section and are fully recyclable.

      Conservation uPVC windows bespoke to your home

      Our conservation flush sash and conservation sliding windows capture the look and feel of traditional windows perfectly. Each window is made-to-measure and is set off by the details Choose from a range of furniture or add decorative, frosted or etched glazing panels.

      We offer our uPVC heritage windows with welded joints, mechanical joints, or a hybrid of both. You can choose from a wide range of colours and shades or a variety of attractive wood effect finishes. So, whether it’s cream uPVC cottage windows, oak effect sash windows, or black timber effect windows, we can create a bespoke style for you and your home.

      Get a price
      Close up of flush sash window
      uPVC flush sash window

      Why uPVC is the Smart Choice Over Timber for Conservation Windows

      uPVC is a favourite for windows because it offers a great combination of quality and security with simplicity of operation and lower cost.

      A great benefit of choosing uPVC replacement windows is their exceptional thermal performance. Modern uPVC incorporates a multi-layered chamber frame, so the heat can’t escape. The low maintenance requirements of uPVC are also attractive to homeowners. Unlike having to protect timber yearly with varnish or paint, uPVC is finished in a protective coating that doesn’t crack or fade. All they need is an occasional wipe down to remove any dirt and keep them looking new for at least 35 years.

      uPVC is highly robust and has shown its ability to withstand strong forces and harsh weathers. As well as secure internal beading, durable stays and handles, and heavy-duty Kenrick shoot-bolt hinges, we fit our heritage uPVC windows with multipoint locking systems that pass strict industry standards.

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      Conservation windows that are approved for use

      Few timber effect uPVC windows qualify as conservation windows, but our flush sash and sliding sash conservation windows are hand-finished to ensure a quality appearance is achieved, and they meet regulations for conservation areas. Not only do they replicate the appearance accurately, they also have the original textures of real wooden windows.

      Get a price
      Full installation of sliding sash windows
      Full installation flush sash windows

      Upgrade Energy Efficiency with Insulating uPVC Conservation Windows

      Our highest-rated window styledouble glazed windows have an energy A+ rating (the highest there is). So, you can be sure that they’ll keep the inside of your home at an optimum temperature.

      Efficiency is a result of careful design and engineering. Our windows feature new performance oriented technologies including multi-chambered window profiles, argon-filled inter-pane areas, low-e glass that’s specially treated to reflect heat back into a room, and the newly patented Warm Edge Spacer Bar.

      In a commitment to sustainability we include almost 100% biodegradable EcoMAX Glass™ as a standard fitment on all uPVC and aluminium products. We also offer Comfort Glass that is designed to outperform triple glazing thanks to the inclusion of a tough laminated layer and an effective low-e coating.

      Get a price

      Secure Your Home with Ultra-Secure uPVC Conservation Windows in East London, Suffolk, and Essex

      Tired windows are more prone to burglaries as they are often much easier to break into. Upgrading your windows will not only add style they’ll also substantially reduce the likelihood of your home being targeted.

      Our timber effect uPVC windows include multi-point locking systems which bolt the window to the frame at several points, tightly sealed and robust beaded frames, and secure window handles. They have are tested to industry standards, and by upgrading to Comfort Glass, its robust built-in transparent layer will make it much tougher to break than standard double glazing.

      Get a price
      Oak effect Residence 9 window interior

      Compare window styles

      Heritage Windows

      Heritage Windows

      • Made from uPVC to replicate timber
      • Achieve A++ energy ratings
      • Multi-point locking system

      Popular Colours:

      Silvered Oak
      Cotswold Biscuit
      Cotswold Green
      Irish Oak
      Casement Windows

      Casement Windows

      • Available in high-performance uPVC or aluminium
      • U-values as low as 0.8 W/m2K
      • • Multi-point locking system

      Popular Colours:

      Deep Black
      Anthracite Grey
      Smoke Grey
      White
      uPVC Sliding Sash Windows

      uPVC Sliding Sash Windows

      • uPVC authentic timber-alternative sash window
      • U-values of 1.4 W/m²k or lower
      • Multi-point locking system

      Popular Colours:

      White
      Black Brown
      Anthracite Grey Grained
      Elephant Grey
      Bay Windows

      Bay Windows

      • Available in high-performance uPVC or aluminium
      • U-values as low as 0.8 W/m2K
      • Multi-point locking system

      Popular Colours:

      White
      Elephant Grey
      Anthracite Grey Grained
      Black Brown
      uPVC Flush Sash Casement Windows

      uPVC Flush Sash Casement Windows

      • uPVC authentic timber flush sash window
      • U-Values as low as 1.3 W/m2K
      • Multi-point locking system

      Popular Colours:

      White
      Anthracite Grey Grained
      Elephant Grey
      Black Brown
      Tilt and Turn Windows

      Tilt and Turn Windows

      • Available in high-performance uPVC or aluminium
      • U-values as low as 1.0 Wm2K
      • Multi-point locking system

      Popular Colours:

      White
      Black Brown
      Anthracite Grey Grained
      Elephant Grey
      Bespoke Windows

      Bespoke Windows

      • Available in high-performance uPVC or aluminium
      • U-values as low as 0.8 W/m2K
      • Multi-point locking system

      Popular Colours:

      White
      Deep Black
      Anthracite Grey
      Smoke Grey
      uPVC Windows

      uPVC Windows

      • Robust and durable frames
      • Available in seven styles
      • 20 years life expectancy, maintenance free

      Popular Colours:

      White
      Anthracite Grey Grained
      Black Brown
      Elephant Grey
      Aluminium Windows

      Aluminium Windows

      • Minimalist frames and sightlines
      • Available in four styles
      • Over 30 years life expectancy, minimal upkeep

      Popular Colours:

      Deep Black
      Anthracite Grey
      Smoke Grey
      White

      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 10 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.

      Multiple window options on display at an SEH BAC showroom.

      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.

      Man working on machine

      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.

      Two people who identifies as men Installation windows.

      Begin Your Project

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








        By submitting your details you confirm that you agree to the storing and processing of your personal data by SEH BAC as described in the privacy statement.

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        Multi-award winning company

        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
        Learn more
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        We’re one of the largest regional retail companies

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        Vetted for professionalism, competency & compliancy

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        Showrooms make it easy to choose

        The best place to narrow down your options and pick up on any points of interest.

        See all of our showrooms

        Our Accreditations

        FENSA Approved
        GGF
        TSI Approved Code
        Ultra Installer
        TGAS
        Trustmark
        QA National Warranties
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        FREE TRIPLE GLAZING Upgrade

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