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Made to Measure UPVC Sliding Sash Windows
If you’re renovating a Georgian, Regency, Victorian or even a modern townhouse, upvc sliding sash windows are a must-have if you wish to retain your homes' traditional appearance. Designed to replicate the charm and character of timber box sash windows, House of Windows double glazed made to measure upvc sliding sash windows supply only offer authenticity combined with a host of modern features for the 21st century.
House of Windows extensive range of quintessential period sliding upvc sash windows are British engineered and manufactured in the UK. Our stunning Spectus sash window profile redefines tradition by blending the classic look of timber with state-of-the-art manufacturing processes and materials and come with a guarantee of up to 10 years as standard*.
Made to Measure: 375mm-1500mm wide by 800mm-2100mm high
Brochure DownloadStylish Victorian UPVC Sliding Sash Windows
Tailor the sash window to your style preferences – all our made to measure upvc sliding sash windows come with a choice of classic-style hardware and fittings. Decorative run-through sash horns are fitted as standard and replicate the traditional timber sash window to create a stunning finish, while further attention to detail in the form of an optional deep bottom rail and Georgian bars add to a superior upvc sash window.
Maintenance free, energy efficient and stylish, our bespoke diy sash windows supply only are perfect for modern day living and offered with optional upgrades to further enhance their appearance and your property. Take your pick from a collection of window styles and colourways, designed to suit all projects and budgets.
An attractive and practical option for any home, you’ll also experience the benefits of noise reduction, low maintenance, safety and security plus energy performance. Our argon filled sealed units with black warm edge ‘superspacer’ bar between glass units achieve A rated performance with a u value of 1.4 – achieving Part L Building Regulations for new build, extensions or renovation projects.
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Bespoke Made to Measure Sash Windows
House of Windows offer a truly bespoke service and excel in designing made to measure upvc double glazed sliding sash windows that offer slim profile sections to elevate the views from both inside and outside. The perfect timber alternative solution that doesn’t break the bank!
Moreover, our diy sash windows emulate many features of original timber sash windows coupled with all the benefits of modern materials that enable us to offer a cost effective, low maintenance window that doesn’t compromise on aesthetics. Astragal glazing bars, decorative sash horns and traditional operating hardware are just a handful of the many clever details that work together to create one of the most advanced sash windows on the market.
A Stunning Array Of Wood Effect UPVC Sash Window Colours
Choosing the right colour for your sash windows can dramatically enhance their appeal and ensure they blend seamlessly with your home’s overall design. Whether you prefer traditional white, cream or darker hues of greys and even black, there are plenty of colour options to choose from.
We offer a range of dual colour options in shades of Chartwell Green, Anthracite Grey, Rosewood, Black Brown, Cream, Golden Oak and Irish Oak to elevate the appearance on the outside and maintain a white and simple interior on the inside to complement your home’s décor.
Elegant UPVC Sash Windows Styles To Suit All Properties
House of Windows range of diy upvc sash windows is manufactured by one of the country’s foremost sash window manufacturers right here in the UK. Windows are available in a multitude of styles including Victorian; Georgian; True Arch (in which the top section has been beautifully curved); Gothic Arch (where the two sides have been moderately curved and meet at the head creating a point top); Swept Head and of course, the classic Centre Bar.
Our vertical sliding windows come with equal sized top and bottom sashes (50/50 split) as standard, however we can supply other split ratios at your request (minimum transom drop of 350mm).
Choose From a Range of Sliding Sash Window Features
From terraced houses to stately homes, our uPVC double glazed sliding sash windows are designed to retain your property’s character and charm. Choose from a wide range of heritage-inspired styles, features and hardware options to complement your home.
Traditional Sash Horns
The refined sash horn design uses mechanical joints and a foiled end cap that flows seamlessly with the sash for a more authentic timber-like appearance.
Slim Midrail
With a historically accurate 37mm profile, the slim midrail creates one of the most authentic sash window designs on the market – ideal for period and conservation properties.
Authentic Joints
Upgrade to fully mechanical, timber-effect corner joints that closely replicate the handcrafted appearance of traditional sash window joinery.
Deep Bottom Rail
A fully mechanical deep bottom rail replicates the look of Victorian timber sash windows and pairs beautifully with run-through sash horns.
Weather Bar
The optional ovolo-shaped weather bar adds another distinctive heritage detail, enhancing the authentic appearance of your sash windows.
Astragal Bars
Add character with astragal bars, fitted externally with matching spacer bars inside the glazing to replicate the look of traditional individual panes.
Slide & Tilt Facility
Offering a breath of fresh air, sliding sash windows are one of the best choices of window if you value a good airflow in your home, especially if you choose two sliding sashes. With an opening at the bottom and another at the top of the window you can create a cooling current of air that’s perfect for hotter summer nights.
Not only that, cleaning is a ‘breeze’ as our windows also feature an easy clean tilt facility allowing you to clean the external side of your windows from inside the home – particularly useful for second storey windows or windows positioned in hard-to-reach places. Both the top and bottom sashes can slide up and down for ventilation. *
*Please note, on windows with a woodgrain finish external and smooth finish internal we are not able to offer the top sash tilt facility.
Sash Window Security & Furniture Options
Security is at the heart of every House of Windows sliding sash. Robust uPVC frames are paired with modern locking mechanisms that secure the top and bottom sashes together at the midrail. Choose from our Standard or Heritage locking styles, or upgrade to our PAS24 security package for additional peace of mind.
Traditional sash lifts, tilt knobs and locks are fitted as standard, with optional D-handles and pole eyes available where required. Hardware is offered in a range of finishes including chrome, gold, white, black, graphite and satin chrome so you can coordinate the finer details with your interior décor and exterior styling.
Lift Hooks
Lift hooks are fitted on the inside of the bottom sash, allowing for a simple and secure grip when opening the window.
Pole-Eye
Fitted to the top rail of the upper sash, the pole-eye allows operation using a pole and hook (not supplied), ideal for windows positioned out of reach.
Sash Knob
A practical handle used to open and tilt the sashes for easy cleaning from inside your home. Available in both Standard and Heritage designs.
D-Handle
Designed to fit underneath the top sash externally, the D-handle assists with pulling down and operating the sash smoothly.
Locking System
The locking mechanism secures the window by fastening the midrails together and is offered in two styles: Standard and Heritage.
Travel Restrictors
Travel restrictors limit the opening of both sashes to around 100mm, providing enhanced safety in areas where restricted ventilation is required.
Enhanced Sash Window Security & Furniture Options
House of Windows double glazed sliding sash windows deliver advanced levels of security without adding complex operations. They’re not only practical but also come with an abundance of safety features that homeowners have quite rightly, come to expect.
Our upvc sliding sash windows feature traditionally styled vertical slider hardware. Tilt knobs, sash lifts and sash locks are fitted as standard, but we can provide D handles and pole eyes as well if needed.
All hardware is available in chrome, gold, white, black, graphite or satin chrome to complement our range of sash window frame colours. Additional options include Georgian or Astragal glazing bars and trickle vents.
The high-performance locking systems will deter potential intruders and give homeowners extra peace of mind. For added safety, we also offer the option of a Fire Egress window design to provide an emergency escape.
Customers also have the option to take advantage of a comprehensive high security PAS24 package, which meets the latest requirements for new builds. As part of the security upgrade, our sash windows will be equipped with reinforced tilt latched, top security blocks as well as 2 x high security locks and keeps.
Improved Energy Efficiency For Maximum Performance
With fuel prices constantly on the rise, thermal performance is paramount. House of Windows upvc double glazed sliding sash windows are built to last and resist the ever-changing British climate without compromising their pristine appearance.
The frames and sashes are multi chambered and use the power of specialised argon gas to help trap heat between the panes. Our modern double glazed sash windows can make an excellent timber replacement as they achieve an energy rating of A’ and U-Value of 1.4 W/m2K.
By incorporating high-performance insulation materials into the construction, our sash windows can not only meet but exceed tough energy efficiency standards. Impressively, a sash window with a U-value of 1.4 demonstrates excellent thermal performance, indicating minimal heat loss and efficient insulation properties. While the warm edge spacer bar incorporated into all units has been specifically designed to reduce transference of heat between the panes of glass, keeping more heat inside your home. Just another step in the right direction when it comes to reducing your household energy costs.
UPVC Sliding Sash Windows Glazing Options
DOUBLE GLAZING
House of Windows Spectus sliding sash windows come with efficient 24mm double glazing as standard. Double glazing consists of two panes of glass separated by a spacer filled with insulating argon gas. This composition significantly reduces heat transfer, keeping interiors warmer in winter and cooler in summer. Double glazing on uPVC sash windows offers a winning combination of energy efficiency, comfort, security, and aesthetic appeal, making it an excellent choice for both new builds and existing properties.
All our sash windows feature Low E glass, which helps to control the transfer of heat through the glass, keeping interiors cooler in summer and warmer in winter.
SPACER BARS
Are positioned around the perimeter of the glass panes to provide structural support to the unit and to ensure that the space between the glass panes remains consistent.
LAMINATED GLASS
You have the option to upgrade your traditional sash windows with laminated glass for enhanced safety while preserving the aesthetic charm of classic Victorian window features. One of the most notable advantages of laminated glass is its safety features. In the event of breakage, the interlayer holds the glass fragments together, preventing them from shattering into sharp pieces.
PRIVACY GLASS
We also offer a choice of privacy glass styles. Our high performance double glazed insulated glass units are 24mm in thickness (outer pane 4mm, air gap 16mm, inner pane 4mm), for optimum thermal and energetic efficiency. Patterned obscured glass is ideal for bathrooms, toilets and other exposed room locations to preserve privacy.
Weatherproofing
House of Windows double glazed sliding sash windows are built to last and to resist the ever-changing conditions the British weather throws at them, all without losing their immaculate appearance. Our sash windows have successfully been tested against wind speeds of up to 120mph to achieve a 1200 rating, while for water tightness it withstood being sprayed with eight litres of water per minute for 40 minutes with zero leakage, earning it a higher-level Class 6A classification. Now that’s impressive!
Made to Measure: 375mm-1500mm wide by 800mm-2100mm high
Colour Matched Trickle Vents
House of Windows offer two different vent solutions to comply with Document F of the Building Regulations. Both vents are colour matched to match the aesthetics of our double glazed sliding sash windows. Using the new exclusive modular vent will allow any of our welded sash windows over 775mm in width to comply with the new requirement to achieve 8000 EA airflow in a single window!
Conservation & Planning
In the past, many county councils refused applications to replace timber sashes with a upvc alternative. However, House of Windows double glazed upvc sliding sash window has been designed to recreate tradition, which has led to an increasing number of approvals granted.
Our knowledge and skills can help ensure that your project meets conservation standards. We offer sliding sash windows with modern original features such as astragal bars and a realistic timber effect that are historically accurate. We also assist with authenticity offering a deep bottom rail, run through horns, slim midrail and fully mechanical timber looking joints.
Your ‘Go To’ Guide for frequently asked questions
uPVC sliding sash windows are a modern take on the traditional box sash windows you might see in older, period style properties but instead of timber, they’re made from uPVC.
uPVC sliding sash windows are designed with two separate panes, known as sashes, which are set within the same window frame. Each sash can slide vertically, moving past the other to allow for varying levels of ventilation. This means you have the flexibility to open either the top or bottom sash, or both, according to your preference.
One of the standout features of House of Windows made to measure uPVC sliding sash windows is the innovative ‘Slide & Tilt’ mechanism. This practical design allows you to slide the window open as usual, and then tilt the sash inwards, making it simple and convenient to clean both sides of the glass from inside your home. Now you can maintain sparkling windows with minimal effort, all from the comfort and safety of your living space.
The price of uPVC sliding sash windows can fluctuate based on several factors, including the size, shape and additional custom features you may wish to include.
House of Windows offers bespoke uPVC sliding sash windows starting from just £484 inclusive of VAT and free delivery. Each window is made to measure, with widths ranging from 375mm up to 1500mm and heights ranging from 800mm up to an impressive 2100mm.
In most cases, uPVC sliding sash windows can be installed in a variety of properties. Whether you’re renovating a period home or aiming to introduce character to a contemporary residence, these windows are highly versatile and can complement different architectural styles.
However, if your property is a listed building or located within a conservation area, it’s important to consult with your local planning authority prior to making any alterations. This ensures that any changes comply with regulations and preserves the integrity of the property’s historical features.
In many cases, the answer is yes! Modern uPVC designs are meticulously engineered to emulate the look of timber sashes, thereby preserving the traditional aesthetic of a property, and ours are exceptional.
House of Windows offer a multitude of styles including Victorian, Georgian, True Arch (in which the top section has been beautifully curved), Gothic Arch (where the two sides have been moderately curved and meet at the head creating a point top), Swept Head and of course, the classic Centre Bar.
Our vertical sliding windows come with equal sized top and bottom sashes (50/50 split) as standard, with an optional 37mm slim mid-rail and run thru sash horns. We can also supply other split ratios at your request (minimum transom drop of 350mm).
It’s important to note that the regulations surrounding window replacements can differ depending on your local council. Before proceeding with any changes, it’s a good idea to consult your local planning authority. They can provide guidance on what’s allowed in your area and advise whether you will need to apply for planning permission for the proposed alterations.
What’s more, House of Windows uPVC sliding sash windows meet the requirements of Part L Building Regulations. This compliance means they are approved for use in all new build properties, ensuring both energy efficiency and adherence to current standards.
The benefits are abundantly clear. uPVC sliding sash windows are resistant to rot, warping and weather damage, so you won’t need to worry about regular painting or varnishing. Maintenance is minimal – just an occasional wipe down will do.
In terms of longevity, House of Windows uPVC sash windows have an impressive potential lifespan. With proper care, these windows can last anywhere from 15 to 25 years, providing excellent durability and peace of mind for years to come.
For savvy homeowners seeking a balance between quality and affordability, uPVC sliding sash windows represent one of the most economical options available.
Absolutely! House of Windows uPVC sliding sash windows are engineered with sustainability at their core. These windows are fitted with energy saving double glazing, which is A-rated and comes filled with argon gas as standard.
The combination of advanced glazing technology and argon gas ensures a u-value of 1.4 as standard or a 1.2 u-value upgrade, significantly reducing heat loss and enhancing overall insulation throughout your home. With these vertical sash windows, you can be confident that your living spaces will benefit from improved thermal performance and reap the rewards of greater energy savings. Now that’s gratifying!
Security is a top priority. House of Windows vertical sash windows come with modern locking mechanisms and are made with highly durable materials that can resist warping and sudden blows.
Our locking system holds the sash window shut by fastening the midrails together and is available in two styles, Standard and Heritage. We also offer a PAS24 upgrade package for those serious about security. As part of the security upgrade, our sash windows will be equipped with reinforced tilt latches, top security blocks as well as 2 x high security locks and keeps.
Our windows are double glazed as standard which provides a significant advantage compared to traditional single glazing. This added layer of security is an effective deterrent to potential intruders.
For those seeking even greater peace of mind, there are also several additional extras available. You may consider upgrading to toughened or laminated glass, which is specifically designed to withstand stronger impacts.
Child safety restrictors can also be installed, providing an added safeguard for families with young children. And for added safety, we also offer the option of a Fire Egress window design to provide an emergency escape.
Yes, there’s a wide range of colours and finishes available for uPVC sash windows. Whether you prefer traditional white, cream or darker hues of greys and even black, there are plenty of colour options to choose from.
We also offer a range of dual colour options in shades of Chartwell Green, Anthracite Grey, Rosewood, Black Brown, Cream, Golden Oak and Irish Oak to elevate the appearance on the outside and maintain a white and simple interior on the inside to complement your home’s décor.
Hardware, like handles and locks, can also be customised. Our uPVC sliding sash windows feature traditionally styled vertical slider hardware. Tilt knobs, sash lifts and sash locks are fitted as standard, but we can provide D handles and pole eyes as well if needed.
All hardware is available in chrome, gold, white, black, graphite or satin chrome to complement our range of sash window frame colours. Additional options include Georgian or Astragal glazing bars and trickle vents.
Sash windows aren't just for show, they can significantly increase property value. A well-maintained sliding sash window is indicative of a well-kept home. Potential buyers often view them as a valuable feature, characteristic of a property's character and charm.
Many period properties would look rather out of place without sliding sash windows, particularly those built between the 17th and 19th centuries. If you’re renovating a Georgian, Regency or Victorian property, or building a new home inspired by these periods, installing or renovating sash windows should be your go-to when it comes to window styles. In a conservation area, or when renovating a listed building, you may have no option but to opt for sash windows.
uPVC sliding sash windows vary in cost depending on factors such as size, the number of windows in the installation and the type of glass that you decide to use. Though the cost is higher than a standard style window, modern sash windows are designed to stand the test of time with the right maintenance, helping to ensure that your investment pays dividends in years to come.
Need further details about our sash window prices?
Buy upvc sash windows online with prices from £484 - we would love to supply you with the most beautiful and best upvc sash windows in the UK. Call us now on 01530 515161
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