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SEH BAC have been installing double glazing in Southend for over 50 years.

We install double glazed windows, doors and conservatories in Southend-on-Sea.

All of our products are energy efficient and secure. We will be with your Southend homes project from start to finish.

Call 0800 666 444 or get an online quote for your next home improvement project.

  • Glazing Products:
  • Window Products:
  • External Door Products:
  • Home Extension Products:
  • Glazing Products:

    Window Products:

    uPVC Windows

    uPVC Windows

    Efficient, secure and stylish, choose uPVc windows for your new or replacement windows.

    uPVC Windows

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    Aluminium Windows

    Aluminium Windows

    For a premium window material that can last over 45 years, aluminium is an ideal solution.

    Aluminium Windows

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    Flush Sash Windows

    Flush Sash Windows

    Modern flush sash windows unite classic timber sightlines with the high performance and low maintenance features of present-day uPVC & aluminium.

    Flush Sash Windows

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    Bay Windows

    Bay Windows

    These windows give a sense of Victorian charm as well as increasing light in the home to create the illusion of more space.

    Bay Windows

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    Heritage Windows

    Heritage Windows

    Combining the beauty of timber with the benefits of uPVC, these timber alternative windows are a perfect option for listed and traditional homes.

    Heritage Windows

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    Casement Windows

    Casement Windows

    An ever popular and classic choice, these windows allow easy operation and suit any home.

    Casement Windows

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    Bespoke Windows

    Bespoke Windows

    Any shape or design you desire for your home can be achieved. Perfect for awkward spaces or unique designs.

    Bespoke Windows

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    Tilt & Turn Windows

    Tilt & Turn Windows

    A versatile window which gives flexibility throughout the seasons, making ventilation and cleaning a breeze no matter the style or location.

    Tilt & Turn Windows

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    Sliding Sash Windows

    Sliding Sash Windows

    Our vertical sliding sash windows authentically resemble traditional windows and allow for air to circulate around your home.

    Sliding Sash Windows

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    uPVC Casement Windows

    uPVC Casement Windows

    Classic and effective windows that allow for versatility, offering easy operation and complementing any home.

    uPVC Casement Windows

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    uPVC Bay Windows

    uPVC Bay Windows

    These classic windows give a sense of Victorian charm as well as increasing light in the home to create the illusion of more space.

    uPVC Bay Windows

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    uPVC Tilt and Turn Windows

    uPVC Tilt and Turn Windows

    A versatile window which gives flexibility throughout the seasons, making ventilation and cleaning a breeze no matter the style or location.

    uPVC Tilt and Turn Windows

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    uPVC Bespoke Windows

    uPVC Bespoke Windows

    Any shape or design you desire for your home can be achieved. Perfect for awkward spaces or unique designs.

    uPVC Bespoke Windows

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    Aluminium Bay Windows

    Aluminium Bay Windows

    These sleek windows give a sense of Victorian charm as well as increasing light in the home to create the illusion of more space.

    Aluminium Bay Windows

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    Aluminium Casement Windows

    Aluminium Casement Windows

    An ever popular and classic choice, these slender windows allow easy operation and suit any home.

    Aluminium Casement Windows

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    Aluminium Tilt and Turn Windows

    Aluminium Tilt and Turn Windows

    A slim & versatile window which gives flexibility throughout the seasons, making ventilation and cleaning a breeze no matter the style or location.

    Aluminium Tilt and Turn Windows

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    Aluminium Bespoke Windows

    Aluminium Bespoke Windows

    Any shape or design you desire for your home can be achieved. Perfect for awkward spaces or unique designs.

    Aluminium Bespoke Windows

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    Window Furniture

    Window Furniture

    Choose from our bespoke window furniture collection, including window handles, restrictors and trickle vents in a range of popular colours and styles.

    Window Furniture

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    External Door Products:

    Front Doors

    Front Doors

    Make an entrance every time you enter your home with one of our stylish front doors.

    Front Doors

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    Back Doors

    Back Doors

    From stable doors to beautiful glazed bespoke creations, we can give you a rear entrance door that is attractive and secure.

    Back Doors

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    Composite Doors Southend

    Composite Doors Southend

    The ultimate door that ticks all the boxes; aethetics, security and high performing energy efficiency.

    Composite Doors Southend

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    uPVC Doors

    uPVC Doors

    Efficient, secure and stylish, choose uPVC doors for your new or replacement doors.

    uPVC Doors

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    Aluminium Doors

    Aluminium Doors

    For a premium door material that can last over 45 years, aluminium is an ideal solution.

    Aluminium Doors

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    Bi-Fold Doors

    Bi-Fold Doors

    The ultimate modern door; these versatile doors create a seamless link between your home and garden.

    Bi-Fold Doors

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    French Doors

    French Doors

    A classic and elegant style, our French doors will add some sophistication to your home.

    French Doors

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    Heritage Doors

    Heritage Doors

    Combining the beauty of timber with the advantages of uPVC, our range of heritage doors fit perfectly into a country home.

    Heritage Doors

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    Sliding Patio Doors

    Sliding Patio Doors

    Easy to operate, our patio doors allow you to make the most of your outside space.

    Sliding Patio Doors

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    uPVC French Doors

    uPVC French Doors

    A classic and elegant style, our uPVC French doors will add some sophistication to your home.

    uPVC French Doors

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    uPVC Front & Back Doors

    uPVC Front & Back Doors

    The ever popular choice that allows you customising control as well as efficiency.

    uPVC Front & Back Doors

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    uPVC Sliding Patio Doors

    uPVC Sliding Patio Doors

    Easy to operate, our uPVC patio doors allow you to make the most of your outside space.

    uPVC Sliding Patio Doors

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    Door Furniture

    Door Furniture

    Customise your new front or back door with our wide variety of door furniture options, including door handles, letterboxes and knockers.

    Door Furniture

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    Doors for Essex

    Doors for Essex

    Stylish, secure and energy efficient doors – whether you’re looking for a new front door, or a set of glass patio or bi-fold doors.

    Doors for Essex

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    Home Extension Products:

    Double Glazed Energy Efficient Windows

    We have a range of double-glazed window products. We can supply homeowners across Essex, windows in many styles and colours to suit any home in Southend.
    You can choose from Windows with frames in uPVC, aluminium and timber. Then you can choose from double glazing or comfort glass. If you can't find the right product for you, we can design custom windows for you.

    Our Windows
    A green French window.
    Dark blue composite front door

    Front and Back Doors

    Our wide range of exterior front and back doors combine style with energy efficiency and security. Combined with expert designers and installation there is a door for every Southend home.

    SEH door products are available in four versatile materials; uPVC, composite, wooden and aluminium.

    Our Doors

    Southend-on-Sea Home Extensions

    If you want to extend your home in Southend we can design and build home extensions, orangeries and conservatories.
    As trusted installers across the UK for over 50 years, we install conservatories in Aluminum and uPVC. For other extensions, we can install all kinds of energy-efficient roofs and roof lanterns.

    Our Conservatories
    A uPVC Conservatory
    Double glazing profiles

    Double Glazing Repairs and Installations Pricing Southend-on-Sea

    We have very competitive double-glazing prices for homes in Southend-on-Sea. If you would like an accurate estimate for your next home improvement project, call out double glazing experts or get a quote online.

    More about Double glazed window prices

    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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      Ready to make your dream home a reality but don’t know where to start? Find all the inspiration you need.

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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
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      We’re one of the largest

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      regional retail companies

      Trustmark logo
      Trustmark logo

      Vetted for professionalism, competency & compliancy

      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:

      See all of our show centres

      Our Accreditations

      FENSA Approved
      GGF
      TSI Approved Code
      Ultra Installer
      TGAS
      Trustmark
      QA National Warranties