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Double Glazed Windows for Hertfordshire Home Owners

Explore our range of replacement windows, carefully crafted to match five distinct styles. Discover the choice between two exceptional materials: uPVC and aluminium. For those with unique preferences, we also offer custom window shapes that cater to unconventional requirements. Dive into a spectrum of 150+ RAL colors and various personalization options within the design and selection process, ensuring an ideal solution for your Hertfordshire home.

Our glazing choices encompass advanced double glazing and innovative Comfort Glass, an efficient alternative to triple glazing. Additionally, we offer decorative glazing, all meticulously designed to maintain pleasant indoor temperatures, enhance home security, and provide exceptional noise reduction.

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uPVC

Contemporary, timeless, traditional & statement colour collections. Dual colour options are also available.

uPVC Windows

Aluminium

Premium matt, textured and metallic tones and shades. Dual colour options are also available.

Aluminium Windows

Timber Effect

Variety of luxury finishes and authentic woodgrain foils. Dual colour options are also available.

Timber Effect

uPVC

EcoMax double glazing, Comfort Glass and decorative glazing.

uPVC Windows

Aluminium

EcoMax double glazing, Comfort Glass and decorative glazing.

Aluminium Windows

Timber Effect

Eco Max double glazing, Comfort Glass and decorative glazing.

Timber Effect

uPVC

Advanced multi-chambered frames, A energy ratings as standard, and U-values of 1.2 W/m2K.

uPVC Windows

Aluminium

Enhanced thermally broken profile attains A+ energy ratings and U-values of 1.3 W/m2K

Aluminium Windows

Timber Effect

Advanced multi-chambered frames, A energy ratings as standard, and U-values of 1.2 W/m2K.

Timber Effect

uPVC

An advanced shootbolt locking system that exceeds building regulation standards. Additional security extras can be included.

uPVC Windows

Aluminium

One of the strongest construction materials available and fitted with advanced multipoint locks, it surpasses security regulations. Additional security extras can be included.

Aluminium Windows

Timber Effect

Modern multipoint locking systems, so they pass strict industry standards and they’re proven to secure your home from common burglary techniques.

Timber Effect

uPVC

At least 35 years with no maintenance required. The anti-fade coating keeps the material looking pristine.

uPVC Windows

Aluminium

At least 45 years, with no maintenance needed. It’s corrosion and rust resistant.

Aluminium Windows

Timber Effect

At least 35 years with no maintenance required. Unlike real timber, they will never need to be repainted.

Timber Effect

uPVC

A cost-effective option, uPVC is versatile, high-performance and modern.

uPVC Windows

Aluminium

Unique slimline frames will modernise any style of home and provide premium benefits.

Aluminium Windows

Timber Effect

With traditional features such as flush frames and seamless weld finishes, they can be approved for use in conservation areas.

Timber Effect
  • Browse Styles
  • Browse Materials
  • Browse Colours
  • Glazing
  • Frame Options
  • Advice + Guidance
  • Browse Styles

    Browse Materials

    High quality uPVC and aluminium window frames

    We offer a choice of two versatile window frame materials, catering for every budget, personal taste and requirements, with both uPVC and aluminium capable of providing you with stylish looks, exceptional energy efficiency and a lifetime of outstanding performance. uPVC provides a practical and durable window solution that requires virtually no maintenance. Aluminium provides a sleek and stylish look thanks to minimalist frames and sightlines.

    Window FAQs

    Browse Colours

    A wide range of window colours

    With hundreds of standard, premium, smooth and textured finishes to choose from, our windows can be designed in over 150 RAL colours and a variety of authentic woodgrain effects, so we’ll be able to design the perfect solution to complement your home’s existing character. From timeless wood effect windows, to elegant Chartwell green, or modern grey and black. We also offer dual-colour designs, so the inside and outside window frame colours can be different to suit both your home’s exterior and interior.

    uPVC window 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

    Aluminium window colours

    White

    White

    Ivory White

    Ivory White

    Light Cream

    Light Cream

    Mid Cream

    Mid Cream

    Green Grey

    Green Grey

    Grey

    Grey

    Smoke Grey

    Smoke Grey

    Warm Grey

    Warm Grey

    Shadow

    Shadow

    Slate Grey

    Slate Grey

    Anthracite Grey

    Anthracite Grey

    Midnight Grey

    Midnight Grey

    Deep Black

    Deep Black

    Dark Brown

    Dark Brown

    Chocolate Brown

    Chocolate Brown

    Warm Red

    Warm Red

    Ocean Blue

    Ocean Blue

    Mid Green

    Mid Green

    Any RAL Colour

    Any RAL Colour

    Glazing

    Choose the glazing you want for your windows

    As well as upgrading your windows, you’ll also need to think about the type of glazing for them. Our uPVC and aluminium windows come with EcoMAX Glass™, one of the most sustainable and eco-friendly glass units on the market, as standard. You can also 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.

    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.

    Chamfered Frame

    Chamfered Frame

    Flush Sash Frame

    Flush Sash Frame

    Ovolo Frame

    Ovolo Frame

    Advice + Guidance

    Related products

    Window designs to suit your home in Hertfordshire

    Revitalising a significant portion of your home's exterior, updating windows is a guaranteed method to enhance value and elevate aesthetics. Replacement windows won't go unnoticed by neighbors and guests, making it crucial to select a style that seamlessly complements your home and its surroundings. With more than five decades of expertise, we offer an array of designs and styles, ensuring each window installation is unique and meets out customers expectations.

    Our tailored window service accommodates even the most specialized requests, encompassing arched windows, octagon or triangle shapes. For those seeking distinctive choices, our designers adeptly cater to these unconventional forms.

    Choose from an extensive selection of window furniture options to personalize your new windows. Our offerings feature elegant monkey tail handles, modern metal handles, and authentic sash window lifts and fasteners, available in chrome, brass, and metallic hues.

    Browse our RAL Colour Guide
    Oak effect Residence 9 window interior
    Black uPVC casement window

    A+ energy rated double glazed windows for Hertfordshire

    Our top-rated double glazed windows stand as the finest in the market, attaining the pinnacle of the WER (Window Energy Rating) scale with an A+ grade. This assurance means they are primed to lower your energy expenses and uphold an optimal interior temperature, particularly beneficial for homes in Hertfordshire. Revel in comfort while achieving financial savings through these new windows.

    This cutting-edge performance is achieved through a suite of premium technologies and attributes, including multi-chambered window profiles, argon-filled inter-pane spaces, low-e glass treated to effectively reflect heat back into rooms, and the newly patented Warm Edge Spacer Bar. With these innovative glazing options, you can confidently anticipate a significant boost in the performance of your new windows.

    Furthermore, our commitment to sustainability extends to providing nearly 100% biodegradable EcoMAX Glass™ as the standard for all uPVC and aluminium products. We also introduce advanced Comfort Glass alternatives, designed to surpass the efficiency of triple glazing due to the inclusion of a resilient laminated layer and an effective low-e coating, ensuring homes in Hertfordshire benefit from the latest window technology.

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    Keep your nights quiet and peaceful

    Utilising the same contemporary manufacturing methods that amplify the thermal efficiency of our windows, we also ensure the safety and tranquility of your Hertfordshire home. Noise reduction is, in part, an added benefit of effective heat retention. Warm Edge Spacer Bars, multi-chambered profiles, and argon-filled inter-panes collectively diminish noise in both our double glazing and Comfort Glass windows, effectively blocking external disturbances from infiltrating your living space.

    Our adept craftsmanship further enhances their noise-cancelling capabilities. Tight seals, panes, and frames are precisely fitted to create a draft-free design. With an extensive history of over 50 years, we exclusively employ professional and extensively trained installers, offering a steadfast assurance of our product quality.

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    Large aluminium bespoke window
    Full Residence 7 window installation

    Sleep safe and sound with highly secure windows

    Even in the peaceful corners of Hertfordshire, it's wise to reconsider the security of your windows. Beyond peace of mind, our cutting-edge security features could also lead to reduced insurance costs.

    Our collection of window security innovations includes ingenious multi-point locking systems as a standard feature. Crafted with multi-layered beaded frames, they stand resilient against formidable forces. Premium handle locks and shoot bolt locks further enhance security. Our aluminium windows are tested to meet PAS 24 standards. If your project necessitates it, we can securely integrate uPVC window hardware with steel reinforcements and integrate toughened glazing to elevate your home security. For those with heightened security concerns, our array of locking mechanisms work seamlessly with all of our window styles.

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    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.
    Start your order now
    A man standing outside of his SEH BAC Double glazing installer van.
    Colchester Windows

    10 Year Guarantee

    Our 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.

    Check our finance options

    Double glazing or Comfort Glass for new windows?

    Both EcoMax double glazing and Comfort Glass excel in energy efficiency and countering noise disturbances, tailored perfectly for the local environment.

    Double glazing comprises two advanced glass panes with argon gas in between, sealed with a warm edge spacer bar. Comfort glass, on the other hand, combines two efficient glazing panels with an integrated laminate layer and a specialised transparent Low-E coating, preventing 56% more internal heat from escaping – a more effective insulator compared to triple glazing.

    All our windows boast an A-rating for thermal efficiency, ensuring the cold remains at bay. Selecting between double glazing and Comfort Glass hinges on your home's distinct requirements. Leveraging modern manufacturing, our top-tier double glazing maintains a cozy environment throughout the year, perfect for Hertfordshire's weather.

    Get A Price
    Interior view of aluminium casement window
    Bedroom uPVC casement window

    Windows with integrated blinds

    Discover the elegance of integral blinds integrated into the double glazed windows' glass panes. Securely nestled within the window, this child-friendly safety system adheres to industry safety standards. Enclosed within the glass, these blinds require no maintenance, ensuring their pristine condition throughout their lifespan.

    Double glazing with integral blinds is swiftly gaining popularity among Hertfordshire homeowners due to its simplicity in regulating indoor temperatures, available through either a slider or a cordless slider option. These integral blinds effortlessly enhance privacy while allowing natural light to flood the room, creating a vibrant and airy interior ambiance.

    Our integral blind collection offers a variety of sought-after colors to match your room's aesthetics. Horizontal or pleated styles can be seamlessly installed to suit your preferences. As you contemplate incorporating integrated blinds into your windows, consider extending this elegant touch to your bi-fold doors or conservatory for a harmonious and unified appearance across your Hertfordshire home.

    Get A Price

    Top double glazing choices in Hertfordshire

    • Casement Windows in Classic White - Perfect for adding a timeless touch to any Hertfordshire home.
    • Sliding Sash Windows in Heritage Grained Wood - Ideal for bringing a bit of traditional charm to your house, blending seamlessly with the region's picturesque landscapes.
    • Flush Sash Windows in Sleek Anthracite Grey - A modern twist for contemporary Hertfordshire properties, offering a stylish and sophisticated aesthetic.
    Get a quote now
    Double glazing profiles

    Frequently Asked Questions

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

    How much will new 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 it's 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 - £99 deposit. Find more information on double glazed window prices here.

    How do I know if my windows need replacing?

    Modern double glazing lasts at least 20 years, but there are certain tell-tale signs you need to look out for. Read more

    Which window material is best?

    The first decision you need to make is which window material is right for your home. Your final decision will be heavily influenced by your own personal choice, budget, property appearance and building era.   Read more

    How do you replace windows in an old house?

    Run-down window frames can have a real impact on a property's thermal efficiency. Affecting old Victorian and Edwardian homes in particular, many homeowners are led to believe replacing windows in old houses is incredibly difficult - but it needn't be. Read more

    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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      Brochures

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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

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      Vetted for professionalism, competency & compliancy

      Improving South East homes for more than 50 years

      With 8 show centres across the South East, you’re not far away from achieving your dream home:

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      Our Accreditations

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