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Marshall Double Glazing have over 30 years experience designing and installing a complete range of bespoke services. From the production team in the factory to the office staff and installation teams, we have highly qualified and experienced employees. All of our team will ensure that each project, whether big or small, is completed professionally and to the high standard we pride ourselves in.

By manufacturing products in our factory in Stanstead Abbotts, we have been able to fulfil and perfect many projects. As well as helping our clients with their faultless home improvements, we have completed many commercial projects including numerous Housing Associations, Guildhall School of Dance and NatWest.

Client Testimonials

‘I rarely praise work as I am about to: ALL the staff at Marshalls were professional, human, conscientious, efficient and generally a pleasure to deal with. All the windows and a door in my old three floor house were replaced, something that I’d been putting off for years due to fear of the upheaval etc. But my doubts were unfounded – the whole job was done cleanly and with the minimum of fuss. I cannot recommend this company and those who work for it highly enough’.

Imogen Parry gave Marshall Double Glazing Ltd 5 stars

Dear Kim,
I am writing to confirm that I have transferred the balance to your account this afternoon.
I would like to thank everyone involved with the whole process concerning our windows and door, who have been friendly, polite and helpful.
The fitters were great, they were cheerful and took things down/covered things up/did a great job leaving everywhere clean and tidy. We are pleased with our windows and door which make so much difference to our property.
Thank you all once again,
Best Wishes, L & J Barnard, Welwyn Garden City

We just want to say how pleased we are with the new windows and cladding. The men did a very professional job with no problems at all. We would definitely recommend Marshalls to everyone.
Kind regards,

S. Rider, Hertford


We manufacture all our own products
and no job is too big or too small.