Sitting flush
The opening sash of the window fits flush with the outer frame for a seamless appearance
Call us on:
0800 666 444Extend Your Summer with SEH BAC
Plus2 years interest free finance or buy now pay 2025**19.9% APR
Find out more
Modern flush sash windows unite classic timber sightlines with the high performance and low maintenance features of present-day uPVC. Combined with advanced EcoMAX glass or Comfort Glass, flush sash windows are designed to heighten your home’s thermal performance and kerb appeal tenfold. Choose from a range of refined painted and woodgrain finishes or a diverse range of window colours, including on-trend shades like Anthracite Grey, Agate Grey, and Olive Grey.
Amongst the many custom design options available, for the ultimate finishing touch choose from a range of charming handle styles complete with secure locking including standard, traditional or contemporary. Learn more about your window & door journey with us via our simple design and buying process.
The opening sash of the window fits flush with the outer frame for a seamless appearance
An unseen corner joint helps create a seamless look. Choose from a fully welded, full mechanical or MechWeld joint
Enhance your home with same-width frames for equal sightlines
Intricately made to seamlessly replicate the look of authentic timber, flush sash windows fit sleekly into the window frame, instead of slightly overlapping the window frame for a smooth finish. Made from the highest quality uPVC, unrivalled energy performance, weatherproofing, and low maintenance finesse are a given. Well-known for the way they create traditional aesthetics without the traditional drawbacks, even the keenest eye won’t be able to tell the difference!
Much cheaper to construct than timber, our uPVC flush sashes can be customised in three realistic jointing options; fully welded, full mechanical, or mechanical/weld.
Available with 3, 5 and 6 insulating chambers, our multi-chambered uPVC flush sash windows attain A energy ratings with ease.
Complete with secure multi-point locking and able to last up to 35 years, our flush sashes are PAS 24 security accredited as standard.
Our uPVC flush sash windows offer a maintenance-free design that won't rot, crack, warp, or fade throughout its lifespan (unlike real timber).
As well as offering EcoMax Glass as standard, our flush sash windows are created from 80% recycled manufacturing off cuts.
Colours
Our exquisite flush sash window colour palette comes in a whole range of beautiful colours including tranquil Cream, White Grain, and Natural Oak.
White
Clotted Cream
Pearl Grey
Chartwell Green
Elephant Grey
Slate Grey
Slate Grey Grained
Basalt Grey
Anthracite Grey
Anthracite Grey Grained
Black Brown
Steel Blue
Racing Green
Ruby Red
Turner Oak
Irish Oak
Golden Oak
Rosewood
Mahogany
Walnut
Dark Oak
Glazing
Both ECOMax double glazing and Comfort Glass are available in the casement styles and we can also offer a range of textured and patterned glazing for added privacy or decoration. The benefits of upgrading your glazing are truly limitless - the most notable features include increased warmth, reduced energy bills & beating future energy price hikes. For complete peace of mind, we also offer toughened glazing options to enhance your home security further.
The benefits of upgrading your glazing are truly limitless - the most notable features include increased warmth, reduced energy bills & beating future energy price hikes. For complete peace of mind, we also offer toughened glazing options to enhance your home security further.
Advice + Guidance
They say it’s often the little things that make the biggest difference. Each window is intricately made to meet your unique requirements, no matter how big or small your home improvement project is.
We offer flush sash windows with fully welded, full mechanical, or mechanical/weld joints to create a style that will perfectly complement your home’s existing character. With a variety of authentic timber-replica finishes and classic extras like Georgian bars, decorative glass, or beautiful leaded detail to choose from, literally any look can be achieved.
Get A PriceThose living in listed buildings and conservation areas must take extra care that window and door replacements do not differ from the original design. So, first things first, be sure to check with your Local Authority whether your home is in a conservation area or not.
Thanks to technological advancements, high quality timber alternative windows (like ours!) are designed to pass strict regulations in conservation areas. Robust, secure, and revitalising, you can count on our advanced flush sash windows to retain classic aesthetics whilst fully complying with the latest conservation rules in your area.
Get A PricePerforming to some of the highest energy efficiency levels around, our flush windows are A rated as standard and can accommodate 28 mm ECOMax double glazing or 32 mm Comfort Glass with ease.
Combined with modern multi-point shoot bolt security locks, stylish lockable handles and a convenient lockable night vent facility as standard, security issues associated with real timber - such as dry rot, pest infestation and warping - are a thing of the past with exquisite flush sash windows.
Get A PriceReplacing your windows and doors is easy.
Find all the answers to our most frequently asked questions below.
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 - £99 deposit. Find more information on double glazed window prices here.
Modern double glazing lasts at least 20 years, but there are certain tell-tale signs you need to look out for. Read more
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
Energy efficient home improvements are incredibly important, so if you're wondering how to tell what A rated glazing is you're not alone! Read more
Get your free quote – with no-obligation to buy. Simply fill in the form below to get started:
Ready to make your dream home a reality but don’t know where to start? Find all the inspiration you need.
Download a brochureRecommend a friend and we’ll give you a free amazon voucher when that person places an order with us.
Recommend a friendHere at SEH BAC, we’re proud to have won many prestigious awards for our products as well as our work in the community:
Learn moreWe’re one of the largest
regional retail companies
Vetted for professionalism, competency & compliancy
With 9 show centres across the South East, you’re not far away from achieving your dream home:
See all of our show centres