High-quality double glazed uPVC windows
Casement Windows, Flush Sash Windows,Tilt and Turn Windows, Sash Horn Windows & Vertical Sliding Windows
uPVC Casement Windows
Casement Windows
With ultra-slim sight lines and, clean, modern aesthetics our superior range of stylish uPVC Casement Windows enhance the beauty of any property, whilst delivering the highest levels of security and thermal performance.
Energy efficient
Our windows are engineered to be capable of achieving high WER ratings and low U-values, so you will benefit from higher property value and lower heating bills.
Secure Windows
Our Casement windows are supplied with high security Shootbolt locking, which offers a 10 year mechanical guarantee, is accredited by Secured by Design and tested to the latest BSI security criteria.
Durable hardware
Stainless steel friction stays provide enhanced security and have been tested to 20,000 cycles. Durable casement windows with easy clean hinges.
Slim sightlines
Ultra slim sightlines allow a larger area of glass, providing more light and better views.
Environmentally friendly
Casement windows are 100% lead free and entirely recyclable, thereby reducing environmental damage and meeting EU and UK legislation ahead of time.
10 year warranty
All Casement windows are guaranteed not to warp, split or discolour for a minimum of 10 years from the date of installation.
Product features
Our Casement windows offer more than just a beautifully designed product as they have been specifically designed to meet exacting standards of homeowners.
Hinge protection
The Stay Guard Elite device withstands twice the force required by Secured By Design testing.
High security locking
Our Casement windows are supplied with high security Shootbolt locking, which offers a 10 year mechanical guarantee, is accredited by Secured by Design and tested to the latest BSI security criteria.
French Casement Windows
French Casement Windows
With ultra-slim sight lines and, clean, modern aesthetics our superior range of stylish uPVC Casement Windows enhance the beauty of any property, whilst delivering the highest levels of security and thermal performance.
Energy efficient
Our windows are engineered to be capable of achieving high WER ratings and low U-values, so you will benefit from lower heating bills and higher property value.
The best views
With the ability to open these windows to a full 90°, you can be sure of having the best views from your home
Safety and compliance
Being fully compliant with current Building Regulations, these windows offer excellent fire safety and the highest level of window security.
More light
When the window is fully open there is no central mullion obstructing the view, this allows your customers to let the maximum amount of light into their home.
Ventilation
To allow maximum ventilation it is possible to open both vents fully, or alternatively your customers can open the master sash independently to the slave sash, to allow for ventilation.
Easy to clean
The smart hinge option makes all upstairs casement windows easy to clean and extremely low maintenance.
Fire escape
The optional fire egress hinge provides smooth and trouble-free operation and offers an emergency escape route in the event of a fire.
Flush Sash Windows
Flush Sash Windows
Our Flush Sash Windows are an attractive, low maintenance and thermally efficient timber alternative that is also 100% recyclable and lead-free. The frame and sash sit flush when closed, recreating the look of traditional timber joinery.
Energy efficient
Our windows are engineered to be capable of achieving high WER ratings and low U-values, so you will benefit from lower heating bills and higher property value.
Beautiful Aesthetics
Our Flush Sash window incorporates a dedicated slimline sash, allowing the face of the profile to sit flush with our existing 70mm EnergyPlus outer frame.
Modern, yet traditional
Inspired by traditional timber joinery, the frame and sash sit flush when closed.
Custom hardware
Customise with traditional monkey tail handles and dummy stays, or sleek modern handles.
Low maintenance
The look of timber without the upkeep. You’ll never need to sand, treat or paint them again.
Mechanical or welded
The mechanical construction fully replicates the appearance of real timber joints.
Egress hinge
Designed for heavier or triple glazed side hung sashes, this optional hinge keeps a smooth and trouble-free operation for the lifetime of the window.
Authenticity
Astragal bars replicates the look of real wood and gives the illusion of individual panes.
Multi-chambered
Manufactured using multi-chambered uPVC profile for optimum thermal efficiency.
Sac Locking
Covered by a guarantee of up to £7,500 in the event of a break-in, and a 10 year guarantee against mechanical failure. Subject to terms and conditions.
Refine Windows
Bringing contemporary elegance, warmth & security.
Inspired by traditional timber carpentry, with contemporary elegance, warmth and security for your home.
Cutting edge technology combined with skilled craftsmanship, ensures quality and hand finished detail elevating your windows to a whole new level of quality.
Energy efficiency
Our windows are engineered to be capable of achieving high WER ratings and low U-values, so you will benefit from lower heating bills and higher property value.
Framed to perfection
Thee windows seamlessly combine the appearance of a classic timber window frame with the thermal efficiency and security of double glazed casement windows.
A new perspective
These windows use a patented method of welding corners to make an authentic timber butt joint effect, both inside and out.
Tailored for you
You’re free to create the look you want with window handles available in a range of colours.
Authentic finishes
Fully foiled glazing areas to both the inner and outer frame adds full authenticity.
Secured by design
These windows are fully ‘Secured by Design’ accredited – the first flush casement windows in the UK to achieve this.
Beauty reimagined
Featuring clean, sharp lines – perfectly flush between frame and sash – together with an inspiring array of attractive colour options, you’re free to reimagine your windows as elegantly individual as your personal style.
Tilt and Turn windows
Linear Tilt and Turn Windows
For more light with unobtrusive ventilation, transform any property with a uPVC Tilt and Turn Window.
Energy efficient
Our windows are engineered to be capable of achieving high WER ratings and low U-values, so you will benefit from lower heating bills and higher property value.
Modern look
For a contemporary European look that provides clean lines, crisp detailing and fully integrated hardware, this window delivers.
Integrated hardware
Concealed gearing looks better and is more secure than outdated face-fix gearing.
Perfectly Matched
The tilt and turn in line handle offers flawless operation, outstanding quality and is available in a choice of colours to match the style of your home.
Quick to clean
90° turn action allows easy exterior access, ideal for upstairs windows or high-rise accommodation.
Uninterrupted seal
A continuous rebate gasket prevents condensation while enhancing soundproofing.
Safe and secured
Strong and secure, they’re also perfect as fire escape windows upstairs.
Tilt
Our Tilt & Turn windows provide the very best of both form and functionality, making them extremely easy to operate and providing a dual-action movement.
Turn
Our Tilt & Turn windows provide the very best of both form and functionality, making them extremely easy to operate and providing a dual-action movement.
Secure Ventilation
Convenient ‘tilt-only’ function allows for easy ventilation without compromising your security.
Vertical Sliding windows
Vertical Sliding Windows
Achieve a traditional look with our elegant uPVC Vertical Sliding Sash Windows.
Energy efficient
Our windows are engineered to be capable of achieving high WER ratings and low U-values, so you will benefit from lower heating bills and higher property value.
Secure
Available with high security cam locks for your peace of mind and added security.
Sash horns
Our optional, decorative sash horns enhance the traditional look.
Spring balance
Counteracting the weight of the sliding sash for smooth, effortless operation.
Keep children safe
Restrictors can be fitted to stop the bottom sash sliding, keeping your children safe.
Tilt function
Enabling tilting inwards for cleaning or extra ventilation, all at the push of a button.
Traditional beauty
Traditional aesthetics of days gone by combined with 21st Century materials which offer superior performance and functionality.
Better for the environment
Environmentally friendly Spectus uPVC profiles are totally lead free and 100% recyclable, thereby reducing environmental damage and meeting UK and EU legislation ahead of time.
As a local Swindon based company we rely on our reputation, so we only provide the highest quality, secure and affordable windows. Free no obligation quotation.
Security & Accreditations
Harlequin Windows Secured by Design products are designed with exceptional security features and confirmed as meeting the requirements of the Association of Chief Police Officers.- Open to read more
Secured by Design
Our Secured by Design products are designed with exceptional security features and confirmed as meeting the requirements of the Association of Chief Police Officers.
PAS 24:2012
The British Standard for enhanced security performance, PAS 24 testing also includes testing for air and water tightness and windloading to BS 6375.
BBA Approval
Liniar’s whole window system is BBA (British Board of Agr ment) Approved, verifying an impartial and unbiased review on the performance of products.
BS EN 12608:2003
Holding the British Standard for quality, consistency and performance required for PVCu extruded hollow profiles, Liniar’s systems are tested to ensure continued compliance.
BuildCheck
An independent testing house conforming to British standards and accredited by UKAS and the BFRC. Liniar’s ModLok™ bi-fold door was first to pass its Folding/Sliding Door Scheme.
BS EN ISO 9001:2008
Liniar’s factory has BS EN ISO 9001:2008 accreditation for quality management systems – proving its strong customer focus and continuous improvement cycle.
Why Choose Us?
Local and Independent
15 Years Experience
No Sales Gimmicks
No Pressure Selling
Transparent Pricing
Highest Quality Products
10 Year Guarantee
CERTASS Accreditation
CPA Consumer Protection Association
Double Glazing Windows – Swindon & beyond!
We are a local Swindon based company selling and installing high quality double glazing from a wide selection of styles and colours. We offer our double-glazing services in and around Swindon, Abingdon , Chippenham, Cirencester, Cheltenham, Devizes, Faringdon, Gloucester Marlborough, Malmesbury Melksham Wantage and Witney. We know you will appreciate our simple gimmick free sales appointment where you get to find out the price for the windows you want without any sales gimmicks or pressure. Free no obligation quotation.
