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Showroom & Head Office
01923 231 111
Established in 1989, Harp Windows is a family run company manufacturing and installing high quality replacement windows, doors and conservatories.
Over the years, we’ve worked hard to build a reputation for professional integrity, efficient customer service, high quality products and value for money. Customer satisfaction is paramount to Harp Windows, we do everything possible to ensure our customers are delighted with their new windows, doors or conservatory. We are fully endorsed by WHICH as a Trusted Trader, plus you can read many reviews about us on Checkatrade – and for further peace of mind our customers are always welcome to visit us at our showroom in St Albans Road Watford, or our factory in Watford, where we manufacture many of our products.
There are many good reasons to choose Harp Windows as your installer, including:
Based in Watford, we install high quality replacement windows, doors and conservatories in Watford, St Albans, Harrow, Pinner, Northwood, Hemel Hempstead, Berkhamsted, Amersham, Beaconsfield, High Wycombe and throughout Hertfordshire, Buckinghamshire, Middlesex and North London.
If you would like to receive a free, no obligation quotation please call us on 01923 231 111 or use our online “Quick Quote” service – we’re here to help. PLUS: Our blog features a range of articles about our products and exciting new developments within the industry.
Our showroom is open Mon-Fri 10am-3pm, Sat 10am-2:30pm, by appointment only. Please call us to arrange your visit and we look forward to seeing you soon!
Showcasing many of our products including sash windows, casement windows, Evolution timber replacement windows and doors, our contemporary Gerda door range and the Origin Global collection of sliding and bifolding doors. Showroom address: 91-93 St Albans Road, Watford, WD17 1UL. Entrance and parking via West Street – satnavs use postcode WD17 1RY.
Privacy and data protection: In accordance with the General Data Protection Regulation, we have updated our Privacy Policy accordingly.
Transform your living space with our market leading bifold doors and open up a multitude of possibilities in your home.
A modern take on the traditional sliding patio door with the perfect blend of aesthetics and functionality.
High specification composite, uPVC, timber alternative and aluminium front doors that will complement any home.
Featuring timber-look mechanical joints with traditional internal timber aesthetics and deep wood-like cills, our Evolution windows look just like wood.
Virtually indistinguishable from timber, our sash collection offers many advantages including increased thermal and acoustic performance, ease of operation, and low maintenance.
Available in uPVC, aluminium and engineered timber, our casement windows offer better security features, more style choices and exceptional energy efficiency for your home.
“Just a short note to thank all at Harp Windows for a job carried out efficiently and professionally and to my complete satisfaction. I shall have no problem with recommending Harp Windows to anyone, and in fact have already done so”
“I had my windows and porch installed by yourselves and was very pleased with the service, so much so I Recommended them to two people who have since had installations from you …”
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
