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Windows, doors & more

Supplying and Installing a Huge Range of High Quality Home Improvements

An established team of dedicated industry professionals serving areas in and around the North West, Great Harwood Windows serve both homeowners and the trade with a range of high-quality windows, doors and conservatories. From crystal clear glass balustrades to smooth opening bifold doors, we place emphasis on providing unparalleled customer service and high-quality products every time.

Our Products

Residence Oak effect


We supply a selection of UPVC and Aluminium window styles for both residential and commercial use.

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Solidor Front Door


Our extensive range of door styles deliver in terms of looks, operation, and performance.

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Ultraframe Solid Roof Conservatory


The perfect method of introducing a greater sense of both space and light, at Great Harwood Windows we offer both trade and homeowner customers the ability to enjoy a truly bespoke conservatory.

View Conservatory Styles

GH Stairway glass balustrade

Glass Balustrades

Suitable for a range of internal and external applications, glass balustrades introduce an extra layer of protection while also providing a contemporary touch.

View Balustrade Styles

GH Orangery with Aluminium patio doors

Orangeries & Extensions

Providing plentiful space, energy efficiency, and style, Orangeries are a natural conservatory alternative.

View Orangery & Extension Styles

GH Porch Canopy

Porch Canopies

Adding definition to any house front regardless of style or age, our selection of porch canopies subtly offers the appearance of an extended property.

View Canopy Styles

Lantern Roofs

The easiest and most natural way of introducing a sense of light and space into any home environment, our lantern roofs feature slim lines and clear glazing when supplied in either aluminium or UPVC.

View Lantern Styles



Simultaneously adding definition to properties while also adding protection from the elements, we readily offer replacement fascia boards and soffits to keep rooflines looking presentable and tidy.

View Fascia Styles

Garden Rooms

Long been a popular choice for homeowners looking to maximise their outdoor space and bring an element of opulence to their life.

View Garden Rooms

black aluminium bifold doors

Why Choose Great Harwood Windows?

We're committed to providing Lancashire homeowners with the highest quality service. Here are just a few ways we excel beyond the standards of other glazing installers.

Highly experienced teams with over 30 years trading

We value customer satisfaction above all else

Free no obligation quotes with no pressure selling

Fantastic trade support with free skip use

Highly trained dedicated installation teams

Experienced fitters with many years working in the industry

Efficient installation - usually 2-4 weeks from survey

All products are designed for maximum efficiency and energy saving

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Reducing energy costs

Quality home improvements with efficiency built in

All of our windows, doors and conservatories will ensure the highest possible standard of thermal performance. Achieving lower U-values, these products will help to reduce your energy bills while enhancing your home's aesthetic.

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black aluminium bifold doors
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Three Pane Bifold Door

Three day delivery on stock items! The Great Harwood range of aluminium bifolds offer low threshold, slim sightlines and energy efficient glazing.

Trade Supply


Trade Supply

We supply a full range of home improvement products to installers across Lancashire. We also fantastic support for the trade including free skip use.


Aluminium Curtain Walling

Our Commercial Services

Since our establishment over 30 years ago, we’ve operated extensively within the commercial sector, collaborating with architects on the initial specification stages and throughout a huge variety of projects.


Full house installation with flush sash windows


Need more information? Feel free to browse our range of digital resources and brochures.

  • Full house installation with flush sash windows Buy Online
  • Full house installation with flush sash windows Trade Supply
  • Full house installation with flush sash windows Commercial
  • Full house installation with flush sash windows Downloads
Full house installation with flush sash windows

A huge thank you to Scott and Damien for doing an amazing job installing my windows. They were prompt, attention to detail and cleaned up after themselves. Nothing was too much trouble. I have no hesitation in highly recommending the team at GHW – thank you. 😃

February 6, 2024

“We had an old set of wooden garage/workshop doors replaced with a set of aluminium framed bi-folding doors. Communication throughout was great and it was quick and easy to get a quote and then set a date for the work to be carried out. The installers were extremely friendly and professional, and we couldn’t be happier with the work they carried out.”

Mr Pilling

February 2, 2024

“It has been a brilliant experience and we will definitely be return customers when we are replacing all the remaining windows in our house refurbishment.”

Mr Pilling

January 10, 2024

“All of the installation team were great. A special mention goes to Chris who was there throughout and who’s skills, professionalism and courtesy was second to none.”

Mr Green

January 10, 2024

“Fantastic service including after sales from start to finish. Definitely recommend GHW to anyone plus , will use them again when we replace some windows”

Mr Inge - Oswaldtwistle

November 21, 2023

“Great service and great customer service from the fitters and good quality product.All round excellent experience”

Mrs Buck

November 21, 2023

Fully Accredited for Supply & Installation

All our customers will be able to enjoy complete peace of mind when opting for a service from Great Harwood Windows, providing a 10 year written insurance backed guarantee through QANW (Quality Assured National warranties). This, combined with approved installer status from the VEKA group and Certass schemes, along with up to 5 year’s guarantee on all parts and double glazed units means your project will always be in safe hands.

Certass Logo GGF Logo TSI Approved Code TGAS Logo myglazing Logo QA Logo Trustmark Logo Red Rose Awards 2022 Finalist
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Based in the heart of Lancashire

Situated in the very heart of Blackburn, we are readily capable of providing the people of East Lancashire and surrounding areas with a range of UPVC, composite and aluminium products. Whether for personal or trade purposes, realising your aspirations are only one step away with Great Harwood Windows team.