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Showroom & Head Office
01923 231 111
Low maintenance quality composite doors with the elegance and feel of traditional timber. Modern and classic styles.
Bold grooved styles and curated glass designs will make a Modernist statement to your home.
The Rio from Rehau: stylish, secure and sustainable. Beautiful flush fitting windows reinvented for modern life.
Discover our stylish range of thermally efficient quality uPVC windows and doors by Visage.
Discover more about our premium range of stunning Origin aluminium bifolding doors.
Where tradition meets technology. Evolution’s timber-alternative windows and doors are in a league of their own.
Beautifully stylish top specification doors, handcrafted and tailor-made from only the finest materials.
Aluminium and steel entrance doors with a contemporary edge. Secure, elegant and highly desirable.
Aluminium and steel entrance doors with a contemporary edge. Secure, elegant and highly desirable.
Aluminium and steel entrance doors with a contemporary edge. Secure, elegant and highly desirable.
Photos of actual installations of English Door Company doors.
Sustainable. Secure. Functional. Beautiful. Bereco timber windows are now available from Harp.
High performance energy efficient glass from market leader St Gobain.
The UltraSky rooflight enhances any style of property – traditional or modern alike.
The all new OB-36+ bifold door boasting superslim sightlines of just 36mm.
Slim sightlines. Run-through sash horns. Mechanical joints. Packed with authentic features.
High performance and sustainable aluminium window and door systems from market leader ALUK.
Discover the Origin Aluminium Residential Door, where security and aesthetics are superbly combined.
Our stunning sliding door range from Origin. Transform the way you enjoy your home – from inside to out.
A unique fully flush casement, Origin Windows offer top aesthetics, high levels of security and thermal efficiency.
A steel-look glazed wall and door system, allowing for a combination of light, air and space to transform your living area.
Express your individual style while allowing maximum light into your home with Pilkington Decorative Glass.
High performance energy efficient glass from market leader Pilkington.
Our timber effect Quickslide uPVC Legacy sash windows are perfect for traditional properties and heritage buildings.
Integral shading and privacy solutions with our in-screen Venetian blinds, available in manual and automatic solutions.
FAQs on the latest Building Regulations for energy efficiency and ventilation: how it will affect you, the customer.
FENSA consumer leaflet on external condensation, why it occurs and what it means for you, the customer.
FENSA consumer leaflet on internal condensation, why it occurs and how to prevent and treat it.
Window unit replacement to a sash
Fantastic service from beginning to end. Local showroom in Watford with a super variety of windows and doors The fitment of the sash for my son's bedroom, best decision. Quality window and beautiful finish Paul and Miles are polite and friendly. Paul is a master at his job and Miles is super when finishing and completion. Thanks guys and thank you Harp Windows
Replacement front door
All appointments on time. Advice useful when choosing design. Fitted in less time than expected.
Bay Window Replacement
I have to say I have been impressed with HARP from start to finish. I was guaranteed the best price from John at the beginning, There was no hard sell or tricks, Just simple and honest. I ordered 1 window to replace my old bay which I was advised would take 6 weeks from ordering. My window arrived slightly earlier than anticipated and was fitted without delay. The fitting team worked in a clean and tidy manner, were punctual and had a great attention to detail.
Supply rear door.
Excellent service, most helpful and friendly. Highly recommend.
2 x casement windows
Very pleased with product and workmanship. All done with no fuss and no mess. Brilliant job. Billy even hoovered up afterwards !
New windows and doors
Excellent service from both the showroom staff and the fitting team . Quality of the windows and doors is very good , and would highly recommend this company
