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Corsham Building Plastics Ltd All our windows are bespoke and we can offer systems in a choice of PVCu, Powder coated Aluminium or Timber. Use our online quoting engine to receive a free quote on any of our windows, doors and conservatories today. Due to the ongoing supply chain issues throughout the industry, we're currently experiencing longer than usual lead times. We apologise for any inconvenience and kindly ask for your patience during this period. If you have any questions, please feel free to contact us via our online contact form or by calling us on 01225 811663.
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Over the years we expanded into pvc windows, doors and conservatories. Over the course of time the company then followed the industry by expanding into the installation of an extensive range of pvc, aluminium and composite products. As of 2019 the business was passed onto Mike's sons Adam and Paul and Chris's son Luke who are now the new Directors and taking the business forward from 2019 with an extensive showroom.
At Corsham we can offer you a wide range of windows systems in Contemporary & traditional styles to suit the look of your property. Our windows not only combine elegant good looks but meet the latest enhanced security features and can offer exceptional thermal performances in either double glazing or triple glazing. Simply stunning finish to the rear of this property where we installed Internorm HS330 sliding.
As an established Internorm partner, our team will be on hand to help answer any questions or queries you may have about new Internorm windows. We work alongside homeowners, housebuilders, commercial partners and architects to deliver quality window installations in homes across Wiltshire. You can choose from an extensive range of Internorm triple glazed windows that are perfect for a multitude of properties. If you are looking to enhance the look and feel of your home, we have a modern window solution for you.
The Bygone Windows Collection is one of the UK's leading sash window brand names. We have been transforming homes throughout Wiltshire with incredible Bygone Sash windows for more than 30 years. Get in touch or request a free quote today. If you believe, like us, that original sliding sash windows are the most beautiful style of traditional windows, you're sure to appreciate our elegant yet pioneering Bygone sash window designs.
Reviews (9)
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Gillian Hodgess
May 18, 2022
The new window we got from CBP is fab and we are extremely pleased with it, but the service prior to installation was shocking. The installation date was delayed three times with very little or no notice or explanation. When it did eventually arrive, they hadn't looked at the design properly so were unprepared for what the installation would involve, and then window had missing parts!

It was almost impossible to speak to the person in charge on the phone, and every time I did call, I felt that (other than one person, Andy, who was very helpful) the person on the phone was defensive and slightly aggressive. I'm sorry to say that, given all this, I could not recommend this company.
Tik Tok
Mar 21, 2022
We are writing to say how pleased we are with the fitted windows and doors. The quality is very impressive and most people think they are wood instead of plastic. We have already had some lovely comments from neighbours and family. They hold in the heat brilliantly and also make the house completely sound proof. We especially want to say how very impressed we were with Kieran, Rob and Aaron and the work they carried out which was of a very high standard.

They took huge pride in their work and nothing was too much trouble for them. We are very pleased with the products, service and the professionalism of the company from start to finish and would happily recommend CBP to family and friends. Mr Mrs B Lane
Dean Thomas
Oct 19, 2021
I am the Managing Director of Customade Group's aluminium division, and we supply doors, windows, bifolds and sliders to Corsham Building Plastics. I have always found Corsham very easy to do business with, and I appreciate Luke Gingell's pragmatic attitude.
Paul Turner
May 05, 2021
Perfect job. We have a set of beautiful bi-fold doors that are exactly what we specified, ordered and expected. Service, from initial contact through to design, and fitting, was exemplary. Services: Window installation, General door installation
Abby Hawkins
Nov 23, 2020
We used Corsham Building Plastics as we live in a conservation area and the team were extremely knowledgeable on the timber alternative windows and door (back) we wanted to fit at our property. They had plenty of samples for us to look at and were beyond helpful in supplying the right product for our house. The lead time and fitters were a joy and made for a stress free experience.

I have received many complements and even had people knock on the door to enquire about the finished product. I am very happy to recommend CBP and will be using them in the future to replace our front door. Thanks to all at CBP!
Neil Ogilvie
May 02, 2020
From the moment I first spoke to Luke at Corsham Building Plastics for a quote on a new Bay Window at my house in Bath the Company gave outstanding Customer Service and could not have been more helpful. The quote was very competitive and I have been really impressed with the installation and attention to detail. First Class Company. Great to deal with. Highly recommended.
Jonathan Lux
Dec 10, 2019
CBP supplied and fitted the doors and windows on our new build. I couldn't fault them. Very professional advice, good quality product, turned up when they said they would and carried out a neat job.
Daniel Humphreys
Mar 04, 2018
Fantastic service from start to finish. I was worried that the salesman would be a bit of 'pane' however he was brilliant, and designed a brilliant sunroom for us. The fitters were quick and efficient, cleaned up after the job and our bi-fold doors are of fantastic quality. Would definitely recommend to anyone! Great job Corsham Building Plastics!
Ian Forester
Jan 10, 2018
What a wonderful company to deal with, from design and selection right through to the fitting day. Adam and his team really made us comfortable during the whole process. No pressure sales, just impartial advice which helped us select the right Windows and doors, we went for Alluminium windows in the Anthracite colour, they look superb and feel high quality when opening and closing.

The fitters worked tirelessly and left no mess, they even put the blinds back up for us. We are really pleased with the finish, the house has been totally rejuvenated. Already looking forward to the next stage.new fascias and Gutters. We can't recommend this company enough, excellent prices, quality and service. Mr F Melksham