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Showroom & Head Office
01923 231 111
We offer our customers an advanced range of internally beaded double glazed windows incorporating a wide range of styles, designs and options from modern to traditional – and all with the same high specification as standard. A selection of colours and woodgrain effect finishes are available across all of our window ranges and we only install quality products from trusted names such as Rehau and Kömmerling uPVC casement windows, Ultimate Rose and Ecosliders box sash windows, Evolution Storm and Flush timber replacement windows, Aluk and Origin aluminium windows. Both our standard uPVC casement windows and our Evolution Flush and Storm Windows are all rated A+.
Click on the options below to discover more detail about our different window ranges, features, styles and colours and download PDF Brochures from our Brochures and Videos page.
Our Rehau and Kömmerling uPVC casement window range offers better security features, more style choices and exceptional energy efficiency. Every product is tested, certified and manufactured to the very highest standards for proven quality and peace of mind. With a BSI-certified quality manufacturing system and Police approved security features as standard, we take quality further. With exclusive designs, a wider style range and more additional options, we take choice even further too.
Rehau white uPVC windows with feature rectangle leads.
The outward appearance of most replacement windows and doors can be almost identical, but don’t be fooled into thinking that all uPVC products are more or less the same! The quality of the materials, construction, overall design, locking and weather proofing systems can vary immensely from manufacturer to manufacturer. To help make you aware of the features you should consider when buying replacement uPVC windows, we’ve listed the main points to consider:
All these benefits are standard on our uPVC casement windows.
Fancy a change from white windows? Irish oak perhaps? Or maybe a sleek and contemporary anthracite grey? Our standard uPVC casement windows are available in a combination of smooth colours and woodgrain effect foils, all of which are durable, scratch resistant, can be easily cleaned and offer high performance and longevity in all types of weather conditions. We have profile examples of different standard colours available in our Bushey showroom. Other non-standard colours are also available on request but would require a longer lead time.
Rehau uPVC windows and doors in light oak and anthracite finish.
Our Ultimate Rose and Heritage Rose sash windows have been carefully designed with authentic sash details and the result is a class-leading window with woodgrain finishes, industry-leading slim sightlines, putty-effect glass lines, timber style mechanical joints and fully run-through sash horns. Features like these make all the difference, and many find it hard to spot the difference between the Ultimate Rose sash window and a traditional timber sash. As well as being virtually indistinguishable from real timber, the Rose Collection offers many advantages over timber, including increased thermal and acoustic performance, ease of operation, and low maintenance.
Ultimate Rose box sash windows installed by Harp.
Ultimate Rose box sash windows installed by Harp.
A more cost effective solution than our top of the range Rose sash window, our ECOSlide uPVC sash windows are thermally efficient and environmentally friendly units which mimic the aesthetic appeal of a classic timber vertical slider, but deliver all the benefits of a modern uPVC system, giving you the best of both worlds.
Victorian EcoSlider windows are designed to be smooth and sleek with slim profile sections giving a better appearance, which is pleasing to the eye as well as offering improved views from the inside and outside. To complete the timber-like appearance, they incorporate the same stylish features found on original timber sash windows such as Astragal glazing bars, decorative sash horns and traditional-style operating hardware. The jambs, sash sections and meeting rail are all engineered to look just like a timber sash window, giving you truly authentic looking new windows.
EcoSlider box sash windows installed by Harp.
Find out more about both our Ultimate Rose and Victorian EcoSlider sash windows on our Brochures and Videos page.
View the interactive EcoSlider sash window brochure here >>
Our top of the range windows, these are truly innovative, maintaining the look and feel of traditional wood but with all the advantages of state-of-the-art modern window technology. Handcrafted and tailor-made from only the finest materials, they offer outstanding energy saving, exceptional weather proofing and unequalled low maintenance. Two specifications of Evolution window are available – STORM 2 and the FLUSH system, designed to look just like a flush fitting timber window.
Evolution Storm windows and Evolution Ballingdon front door in Agate Grey wood effect.
Evolution Flush casement windows with feature leaded fanlights in white wood effect.
The Evolution Storm range successfully merges high-tech production values with hand-finished craftsmanship producing beautiful windows every time. A+ rated for energy efficiency, it’s this attention to detail that is applied to every single aspect of your Evolution window that makes it different from the rest:
Interior view of an Evolution window profile. Mechanical joints create a much more realistic timber-like look than a standard uPVC window.
If you are feeling creative, the Storm 2 and FLUSH windows are available in a vast array of colours and with the exclusive ‘Kolorbond’ system we can create or match any colour you have in mind, the only restriction is your imagination!
If your tastes are more traditional, you can choose one of our popular wood-effect finishes in black wood, white wood, Tudor (black and white wood) natural wood, oak and cream. For more information why not download our range of Evolution brochures available on the brochures and videos page .
Evolution FLUSH profile in a light oak finish with single horizontal ovolo-putty external Georgian bar.
Enjoying a recent revival in popularity, aluminium windows have continued to be an attractive choice for replacement windows and doors. Harp Windows manufacture and install direct fix aluminium windows and doors, available in a choice of three main standard colours; white, black and brown, and up to 500 RAL colours available to order.
Harp Windows is proud to be an Aluk Approved Quality Fabricator of aluminium windows and doors, and our comprehensive and versatile Aluk product range is designed to provide solutions for all market sectors.
Crittal replacement aluminium windows and bifold doors in anthracite grey, installed by Harp.
White aluminium windows and Origin bifold aluminium doors installed by Harp.
For the ultimate aluminium windows, choose from our range by market leaders Origin. This is an industry-unique internal and external flush casement. Achieved through combining traditional design, advanced manufacturing and versatile premium grade aluminium, the Origin Casement Window offers high levels of security and thermal efficiency while complementing any type of build. With unrivalled good looks, security and thermal performance, the Origin Window also offers the added benefits of being maintenance free and manufactured from a premium grade aluminium for long-term reliability. The Origin Window can be manufactured in over 150 different RAL shades. From the subtle to the slightly outrageous, you can guarantee there will be a colour to suit every Origin Home, including a dual colour option.
Download the latest Origin Windows brochure on our Brochures and Videos page.
Energy efficient glass products use a special coating to reflect heat from domestic heat sources back into the room, rather than allowing it to escape through the windows. At the same time, this coating allows free heat and light from the sun to pass through the glass, warming the room and further contributing to the energy efficiency of the windows and helping to reduce your energy bills.
For over two decades Pilkington K Glass™ has been the UK’s best known energy efficient glass, in both trade and consumer markets. Now with Pilkington K Glass™ S, the latest soft coat option, the range offers more choice than ever. Pilkington K Glass™ S is a high performance, low-emissivity soft coated product which offers excellent thermal insulation when incorporated within an Insulating Glass Unit (IGU). Pilkington K Glass™ S has a highly neutral appearance with optimal solar heat gain, thermal insulation and light transmission to provide the highest Window Energy Rating (WER) performance.
Helps save money on heating bills through energy saving.
Suitable for use in uPVC, timber and aluminium profiles – both in new and replacement glass windows.
This energy-efficient glass can be toughened, laminated and glazed in the same way as float glass.
You can find out more about Pilkington K S in our PDF brochure.
NOTE: Pilkington K sealed units are now installed in our products as standard. However if you would prefer Planitherm glass this is still available but should be specifically requested.
