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Welcome to Harp Windows

Looking after our customers since 1989



Based in Watford, Hertfordshire, Harp Windows is family owned and family

run and was established back in 1989. We both manufacture and install

high quality replacement windows, doors and conservatories. Over the years,

we've worked hard to build up an established local reputation based on

professional integrity, efficient customer service, quality and value for money.


We are manufacturers and installers of high quality home improvement products. You can see us at

our showroom in Bushey Arches, or our factory in Watford, where we manufacture many of our products.


Windows, doors, conservatories, orangeries and roof lanterns


Proud to offer our customers a wide choice of high quality bespoke products, including timber-effect

windows and doors:


REHAU uPVC windows and doors
Available in standard white or a range of coloured woodgrained

EVOLUTION timber replacement Flush windows and Storm

windows and doors
Innovative top quality timber effect windows and doors that look

just like wood.
Aluminium casement windows and doors
Available in standard white, brown or black or sprayed to any

bespoke RAL colour.
uPVC sash windows
Traditional, elegant and suitable for conservation areas
Bifolding sliding doors
Origin Easifold aluminium bifold doors.
Timber effect composite front doors
Look like painted wood in a wide range of traditional and

contemporary styles.
Conservatories, orangeries and roof lanterns in uPVC

and aluminium
From simple to the sublime.


Evolution cream finished timber effect

arched window fitted by Harp.


Brighten up your home

Our windows and doors are available in a comprehensive range of

colours. Our uPVC woodgrain laminate foils are durable, scratch

resistant, can be easily cleaned and offer high performance and

longevity in all types of weather conditions. Popular options of

Rosewood, Mahogany and Golden Oak are joined by strong

contemporary and traditional colours such as Chartwell Green,

Brilliant Blue and Claret Red.

For aluminium, you have a choice of up to 500 RAL colours available

to order.

  Customer feedback                

Our commitment to our customers is a key area of our service. We have just joined Checkatrade and we are delighted that feedback from the surveys provided by both the Consumer Protection Association andCheckatrade is as good as ever. View Checkatrade Reviews - CPA Results for the latest quarter are as follows:



Customer satisfaction is of utmost importance to us, and we cannot emphasize enough the value of

good customer communication, particularly during an installation. To this end, back in June 2008

we introduced a straightforward customer satisfaction survey, which is given to all our customers

to complete after installation. Customers are not obliged to complete these questionnaires, however

we are delighted to have received an excellent response from them.


See examples of our customer questionnaires >>

Click here to view the latest quarterly report on customer feedback from the CPA >>

  We are members of the Consumer Protection Association          

We offer all our customers insurance-backed warranty packages through the Consumer Protection Association. Work carried out by CPA approved companies such as ourselves, has the benefit of Deposit Protection and an Insured Guarantee for up to ten years. From the moment you pay us any money, you are protected. That’s complete peace of mind for all our customers.


Find out more about the Consumer Protection Association >>



Customer Comments


"Extremely professional, courteous and friendly service from first visit to final installation"

Mr & Mrs Pearce - Watford


"We would like to commend you on an excellent service throughout. The windows were fitted very professionally, by an excellent team.

Very clean, tidy and friendly. We will have no hesitation in recommending you to all. Many of our neighbours have already commented

that the windows look fantastic. We are extremely pleased with the result.  Thank you once again for the wonderful service throughout."


Mr & Mrs Sheppard - High Wycombe


"This has been an exceptional professional service from all the people I've dealt with"

Mrs Colenutt, Herts


Read more



Double glazing, conservatories and doors. Double glazing installers, conservatory installers, patio doors.

Harp windows of Watford, Hertfordshire are double glazed window installers, uPVC windows, uPVC doors,

uPVC conservatories for Watford, Harrow, St Albans, Rickmansworth, Amersham, High Wycombe,

and throughout Hertfordshire and Middlesex. Fantastic double glazing prices, aluminium windows,

pvcu windows, front doors and conservatories. Double glazed windows Watford | double glazed

windows Harrow | double glazed windows St Albans | double glazed windows Hertfordshire | double

glazed windows Middlesex |



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