Finance Available

Trade Supply

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

Get a Quote
Full house installation with flush sash windows

Very good communication and very professional company. High standard fitting of front door. We had a couple of little issues but they
responded and resolved them promptly and efficiently.

Kirsty Imie

August 28, 2025

Fantastic customer service. Very helpful in advice on the various products offered, how the cost would be affected. We were kept informed
throughout process even down to a reminder a few days prior to installation. The installation process was clean and efficient.

Mr Rifai.

August 28, 2025

Excellent communication throughout both in person and electronically. Lovely team fitting and install. Very happy with the finished product

Gary Lane

August 28, 2025

“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

map marker for great harwood windows
Get in Touch

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.