Close
January offer graphic

January SALE Now On
With 3 years interest free credit or buy now pay 2026**

Get a price

uPVC Windows Supplied and Fitted in St Albans

uPVC is the UK’s most popular window material as it offers a combination of thermal efficiency, security, and versatility in design; it is also a cost-effective option.

You can easily customise your uPVC windows choosing styles or colours to suit your home in St Albans. We also offer a range of decorative glass and window furniture options.

Request a Quick Quote






    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.

    This site uses Akismet to reduce spam. Learn how your comment data is processed.

    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 windows are made from extruded, multi-chambered frame profiles which incorporate chambers designed to retain the warmth inside the room. The chambered design also contributes to its robust and durable performance that will last well and keep your home safe and secure. It is an established manufacturing process in which there has been much innovation in recent years. The combination of profile designs and hinging and locking mechanisms offer a range of designs, including casement, sliding sash, tilt and turn and even bespoke window designs.

    What uPVC windows can do for St Albans?

    Many styles and colours

    A wide range of profile choices to get the look you want in a range of colour finishes

    Sustainable materials

    The majority of our uPVC windows are created from 80% recycled manufacturing materials.

    Greater comfort and value

    Improved insulation and ventilation, uPVC windows are often the least expensive option

    Better thermal performance

    Our windows are made to fit perfectly from insulating materials and easily achieve A ratings.

    Exceptional home security is locked in

    Featuring locks embedded into the frame, casements add an extra level of security as they can't be picked or drilled from the outside.

    10 years’ product guarantees

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

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

    Glazing

    Our uPVC windows come with EcoMAX Glass™, one of the most sustainable glass units on the market. 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.

    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

    Additional Features

    Authentic Timber Look Cill

    Radlington Cills are deeper nosed cills, one at the standard 30mm height and another at a 55mm height; they are reproductions of timber cills.
    Window with a white cill

    Overhead Ventilation

    In overhead, concealed ventilation the external trickle vent is hidden on the head of the outer frame, providing a much-improved finish.
    Window with an overhead concealed vent

    Configurations

    Energy-efficient double-glazed uPVC windows in St Albans

    Our highest-rated double glazed windows have an energy A+ rating, 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
    Oak effect interior Residence 9 window
    Green Residence 9 window installation

    uPVC double glazed windows in a range of styles and colours

    You can choose from uPVC windows to complement your home’s existing character with a wide range of colour finishes and decorative glazing options, including stained glass and frosted or etched privacy glass.

    Our uPVC window collection includes casementsliding sashtilt and turn and bay windows. We also offer a variety of classical heritage wood effect uPVC windows. Made to replicate timber windows, but with uPVC performance, they are so hard to tell from wooden original windows that they meet conservation area requirements.

    Browse our RAL colour guide

    Replacement uPVC windows will add to St Albans homes’ security

    Improvements in uPVC design and fabrication in recent years have made it much more robust and resistant to forced entry. All of our uPVC windows are incredibly strong and meet or exceed current security standards.

    Our range of window security features  includes multi-point locking systems, multi-layered beaded frames that resist harsh forces, high-quality handle locks and shoot bolt locks. Our aluminium windows are tested to PAS 24.

    Get A Price
    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: Use 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

    ur doors 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
    West Cliff theatre window installation
    A selection of double glazed windows

    Most popular double glazing in St Albans

    • Casement Windows in Classic White - Timelessly elegant, our Classic White Casement Windows will seamlessly complement the diverse architecture of St Albans, from historic cottages to modern homes, ensuring a crisp, clean look that never goes out of style.
    • Sliding Sash Windows in Heritage Rosewood - For a touch of grandeur and depth, our Heritage Rosewood Sliding Sash Windows are the perfect match for St Albans' period properties, adding warmth and character while providing modern functionality.
    • Tilt and Turn Windows in Anthracite Grey - Our Anthracite Grey Tilt and Turn Windows offer a sleek, contemporary contrast that is ideal for newer buildings or adding a modern twist to traditional homes, ensuring a striking appearance and versatile ventilation.
    Get a free consultation

    Enjoy a peaceful home

    New uPVC windows improve on noise insulation over older units or timber windows. Better quality glazing panes and more density in St Albans window frame designs keep exterior noises outside—ideal if you work from home. uPVC windows are such effective noise insulators on busy roads or neighbourhoods that we’re confident you’ll notice the difference immediately.

    Get A Price
    Black uPVC casement window
    Open interior uPVC tilt and turn window

    Weather-resistant replacement uPVC windows in St Albans

    As with all of our home improvement products, we offer a 10-year guarantee, but our uPVC windows are able to last at least 35 years, making them an excellent investment.

    Finished in anti-fade and protective coatings, they’ll continue to look and perform like new for many years with minimal maintenance. Our modern uPVC won’t warp, crack or split. All they require is the occasional wipe-down with a damp cloth to remove any debris.

    Get A Price

    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.

    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.

    FAQs

    How much will uPVC windows cost?

    Thermally sound, industry-accredited custom-made windows must be individually priced to take into account manufacturing to size and any features you wish to specify. We offer a range of finance options to spread the cost of new windows. You can read more about what affects the price of double glazed windows on our site.

    What colours do uPVC windows come in?

    A wide range of colours is available for uPVC windows, but choosing can be difficult. We’ve some advice on that subject… 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 impressive 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. Take a close look at quality and finish and especially what if any guarantees are offered.

    Are grey uPVC windows available?

    Yes, uPVC windows are available in a variety of grey shades as well as many other colours. Grey is one of the more popular uPVC window colours because it stands apart from the more common 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:







      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.

      This site uses Akismet to reduce spam. Learn how your comment data is processed.

      brochure sehbac cover shot

      Get inspired with our product brochures

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

      Download a brochure
      amazon offers

      Earn rewards when you recommend a friend

      Recommend a friend and we’ll give you a free amazon voucher when that person places an order with us.

      Recommend a friend

      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
      PNG Image of Fensa approved logo

      We’re one of the largest regional retail companies

      PNG Image of Fensa approved logo
      Trustmark logo

      Vetted for professionalism, competency & compliancy

      Trustmark logo

      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

      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.

      Our Accreditations

      FENSA Approved
      GGF
      TSI Approved Code
      Ultra Installer
      TGAS
      Trustmark
      QA National Warranties
      GET A FREE QUOTE