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Endorsed by Which? Trusted Traders

Harp Windows (Watford) Ltd

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59 Reviews

Opening Hours
Today - 09:30–17:00
  • Monday 09:30–17:00
  • Tuesday 09:30–17:00
  • Wednesday 09:30–17:00
  • Thursday 09:30–17:00
  • Friday 09:30–16:30
  • Saturday 10:00–14:30
  • Sunday - Closed

What is a Which? Trusted Traders Hertfordshire Trading Standards Approved Endorsement?

Which? Trusted Traders has partnered with Hertfordshire Trading Standards to create a Hertfordshire Trading Standards Approved endorsement. In addition to our standard trading standards assessment, this trader has had a DBS check and is subject to a Trading Standards intelligence check


Established in 1989, Harp Windows (Watford) Ltd 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 us, we do everything possible to ensure our customers are delighted with their new windows, doors or conservatory. For further peace of mind our customers are always welcome to visit us at our St Albans Rd showroom, or our factory in Watford, where we manufacture many of our products. There are many good reasons to choose us as your installer, including:

* Long established and local,
* Members of FENSA, The CPA and Checkatrade,
* Hertfordshire Trading Standards Approved,
* Our products are fully guaranteed for ten years,
* We offer guarantee protection insurance backed warranties,
* Comprehensive aftersales service for complete peace of mind.

What we do

  • Conservatories

    • Conservatory maintenance
    • Conservatory glass heat reduction film
    • Conservatory repairs
    • Hardwood conservatories and orangeries
  • Doors

    • Bi-fold doors
    • Patio doors
    • Fire doors
    • French doors
    • Orangeries
    • Composite doors
    • UPVC doors
    • Front door
  • Double glazing

    • Double glazing installation
    • Double glazing suppliers
    • Double glazing repairs
  • Glaziers

    • Aluminium Windows
    • Sash windows
    • UPVC Windows
  • More Services

    • window installations
    • upvc sash evolution timber replacement

Customer reviews

Why you can trust these reviews

All reviews are verified as being genuine and a true customer of this trader.

How can we be so sure?

100% of the reviews we publish have been through our stringent moderation process.

59 reviews
Customer Service
Sort by
Very good, would use again
Customer Service
On the whole very good. Would recommend they use "stick down carpet protector" instead of dust sheets. My house is old so quite a bit of black dust which was on some of the carpet despite dust sheets. The carpet had to be professionally cleaned.
Margaret, London Posted on 17/01/2017 , work completed 17/01/2017
Very good job.
Customer Service
Punctual, pleasant & hardworking. Great job.
Lesley, Hertfordshire Posted on 09/01/2017 , work completed 09/01/2017
Supply and fit 2 windows
Customer Service
From start to finish, they were great. Would have no problems recommending them. Fitters were very clean, tidy and did a fantastic job.
Jamie, Hertfordshire Posted on 14/12/2016 , work completed 14/12/2016
My review
Customer Service
Prompt & professional proper job
Graham, Hertfordshire Posted on 14/12/2016 , work completed 14/12/2016
Good professional work
Customer Service
Very professional job. Left site in very clean and tidy condition.
Which? Trusted Traders Consumer Posted on 01/12/2016 , work completed 01/12/2016
Great job
Customer Service
Had two PVC windows installed. Geoff did a great job. Very neat and clean work. I would use them again in the future.
Leon, Middlesex Posted on 25/11/2016 , work completed 25/11/2016
Prompt & professional. Excellent job.
Customer Service
Tradesmen polite, finished the job in 3 days as agreed. Left the property clean & tidy. Excellent job, would highly recommend.
Janice, Middlesex Posted on 31/10/2016 , work completed 31/10/2016
Reliable, professional, clear
Customer Service
This trader replaced my porch windows and doors. I would definitely recommend them without a shadow of a doubt - I love my new doors! So very pleased with the service.
Jan, Watford Posted on 10/03/2016 , work completed 10/03/2016
Fitted six windows to my house
Customer Service
They are very friendly, helpful and not pushy. I am extremely happy with their service and highly recommend.
Mr Stokes, Watford Posted on 18/02/2016 , work completed 18/02/2016
Did everything said on the tin!
Customer Service
He fitted several windows and two doors for our house, was prompt, clean, tidy, polite and I'm very happy.
Mr Singletory, Watford Posted on 02/05/2014 , work completed 02/05/2014