Our Trade Services

Despite our extensive experience helping residential homeowners fulfil their property ambitions, we’ve managed to lend our services to reliable tradesmen and installers too. With over 30 years’ experience working collaboratively with traders, we’ve provided tremendous products and expert advice, helping them to complete projects on time and on budget. Our trade services offer a variety of durable and efficient products including a trade supply, trade supply windows and secure and robust doors for trade customers.

As trade supply windows and doors experts, we know how important it is for installers to use a product supplier that is reliable and dependable, helping them to get the best end result for installations. Wherever you’re based in the North West, we can offer you a trade supply service second to none. Our trade supply window and door services are fully accredited, with a Certass insurance backed guarantee, keeping your peace of mind that we are a trusted and responsible installer.

High-end trade supply windows and doors designed to meet the strictest project demands

In terms of trade supply products, we supply everything you will need for a hassle-free and smooth installation, all at a very competitive price for trade customers in Lancashire and the North West. From highly durable, sleek aluminium trade supply windows, to trade bifold doors that allow for an abundance of natural light, to contemporary, ultra-efficient composite doors, we supply trade products in any quantity on time, every time. So if you're looking for trade double glazing in Blackburn, Lancashire or the surrounding area, you can trust Great Harwood Window's trade supply service.

We offer an impartial consultancy service, and do not gravitate to any particular product or system – this results in a lot of flexibility to fit client requirements dependent upon budget and specification.

Transdmen
Full house installation with flush sash windows

“We are very happy with the work carried our. Richard was brilliant and the doors and windows look great, would definitely recommend GHW.”

Mr & Mrs Crabtree - Rishton

July 14, 2022

“We wish to say a big thank you, the product, professionalism of the fitters and the flowers at the end was a lovely touch. From the initial consultation, you could tell the whole team was on point, very knowledgeable and at the top of their trade. We will certainly recommend you to anyone looking for windows etc.”

Mr Brierley - Whalley

July 11, 2022

“The fitters were good excellent and the whole process from order to fit has been very reassuring along with the quality of the workmanship.”

Mr Burrows - Clayton Le Moors

July 11, 2022

Very friendly, efficient, polite installers.

Mr Allen - Blackburn

March 15, 2022

Fitters arrived on time, were polite and extremely hard working. When they had completed the installation there was absolutely no evidence that they had worked in our property. The job was very neatly done and so far we are very pleased – thank you.

Mrs Myers - Blackburn

March 15, 2022

“Please may I take this opportunity to pass on my thanks to the whole team for such an excellent job. Every single person I’ve dealt with has been very friendly and professional especially the two fitters. Customer service was absolutely fantastic.”

Mrs Newman - Blackburn

March 9, 2022

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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.