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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. This experience has afforded us the expertise to handle large scale residential projects, which can benefit from our bespoke, high quality commercial services.

We pride ourselves on our reputation as a dependable, reliable and knowledgeable bespoke window and door supplier. A devotion to such ideals allows installers, developers and architects to achieve the very best results for their projects. Wherever you’re based within the North West, we offer a commercial service renowned for its efficiency.

High End Commercial Windows And Doors And A Devotion To Every Project

We’ve worked with architects from the initial design right through to the end of an installation, lending our help in whatever way we can, ensuring installations run as smoothly as possible. Whether it’s our extensive range of high quality commercial windows and doors, or our specialist expertise, we’re the ideal partner for any commercial endeavours.

Commercial Store Front
Internal Curtain Walling

Commercial glazing products across North West England

At Great Harwood Windows, we work in both the domestic and commercial glazing sectors. Click on the links below to find out more bout our work in the commercial glazing industry.

Aluminium Glass Pods for COVID secure workplaces

Commercial aluminium project in Rawtenstall

Professional tips for window installers

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 4-8 weeks from survey

All products are designed for maximum efficiency and energy saving

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Full house installation with flush sash windows

“I found GWH Windows an excellent company to deal with. The staff were very friendly and easy to deal with. The installation staff were very experienced and did and excellent job. I would recommend them to anyone.”

Mr Nuttall - Burnley

July 31, 2025

“Very efficient from start to finish, great company, I would highly recommend them to anyone wanting replacement doors and windows etc. I will be using GH Windows again for a roof lantern”

Mr Inge - Accrington

July 31, 2025

“We replaced our old wooden porch and door through Great Harwood windows. The whole experience was extremely good. Couldn’t fault the fitters Scott and Sam who were very professional and paid a lot of care to detail. Very tidy. Reasonable price.”

Mrs Wroe - Clitheroe

July 7, 2025

“I would like to say a big thankyou. From start to finish as a customer, it has been a pleasure to deal with you. I wish all jobs were as pain free. The fitters were efficient, tidy and really polite. Great work. Thanks a million.”

Mrs Walkden - Blackburn

May 30, 2025

“Just a couple of words regarding all the work GH Windows have carried out .The attention to detail and Quality was 1st class all the staff including the Installer’s were faultless.This is the second time we have used this Company and would definitely recommend them keep up the Brilliant work”

Mrs Lancaster - Blackburn

April 29, 2025

“Thank you for your professional service, all work has been completed and as always to a high standard.

It’s unusual in the current climate to receive such good service however you always exceed and I’m very happy with your service to date, I intend to use you again in due course with some other projects I have planned.”

Mr Foster - Accrington

April 11, 2025

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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.