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Harp Windows Ltd

Established in 1989, Harp Windows is a family run company manufacturing and installing high quality replacement windows, doors and conservatories.

Timber Alternative Windows & Doors in Hertfordshire

Harp Windows is a family-run business based in Watford and servicing local areas in Hertfordshire and are an authorised supplier of Evolution wood effect windows and doors.

Throughout the years since their inception, they have established ourselves as a high-end, customer-focused company that considers integrity and high-quality wood effect windows and doors to be a top priority. they do all they can to ensure you, the customer, are satisfied with their products and services and they don't believe that any job is too big or too small.

They are an official reseller of Evolution windows. As such they are pleased to offer these great wood effect windows and doors products in Hertfordshire and have installers who are fully qualified and experienced to work with them to produce final results that both you and they can be proud of. You can trust them and the work they provide as they are members of FENSA, Checkatrade and the Consumer Protection Association and offer a fully backed guarantee of 10 years on all work and products. Just because the work has been completed, they still feel they owe it to you as their customer to oversee any difficulties or issues that may come up along the way.

Please note, for satnavs, use the alternative postcode of WD17 1RY which will direct you to the rear car park.

Harp Windows Ltd logo


91-93 St Albans Road
WD17 1UL

Call 01923 231111 or

Email Harp Windows Ltd

Like to know more? Get in Touch

To request your free brochure, free no-obligation quotation, or to request a call back from one of our advisors, please complete your details below. Alternatively call us 01767 821548.


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The UK's finest timber alternative windows and doors.