How do I get a quote?

The quickest and easiest way to get a quote is to e-mail us at with your drawings and a full specification of what is required and then one of the team can come back to you.

For first time customers, please email us your full company name, address and contact details and we can get you set up in our system. After this, you are all ready to send over your drawings for a quote!

Once I’ve got my quote, what do I do?

If you are happy with your quote and want to turn it into an order, just pop us over an e-mail to where we will then send you a job confirmation and request a deposit payment.

What are your lead times?

Lead times can vary per product. For stock PVCu colours we work to a 10-15 working day schedule. For more up to date lead times on any specific product e-mail us at where we will be happy to help.

Are your products compliant with new building regulations?

Our Eurocell PVCu range of products are fully compatible with all new build regulations. Quantum Windows has a number of secured by design certifications to provide you with peace of mind and our quality systems in place are all aimed at producing a quality product first time, every time.

Currently, our range of Aluminium double glazed Aluk 58BW HI Windows, Aluk 58BD HI Residential doors, EdgeGLIDE+ Sliding door and Unifold HI all have a U-value of 1.4 or below and are compliant with new building regulations. Our range of compliant products is always growing, so please give us a call for the most up to date information.

Please note that you will need to specify on your enquiry if you need your product to meet the new building regulations.

Do you have energy rated products?

We offer a range of products that have an energy performance rating to it. All accessible on the BFRC website.

What are the U-values of your products?

The specific U-values can be found on our product brochures. Give us a ring if you need the U-value for a specific job.

Where is my delivery?

Please give us a call on 01536 260300 with your order number to receive the most up to date information on your drivers ETA.

Unfortunately, we are unable to provide an exact delivery time slot until the day before delivery but our drivers will always keep you up to date where possible.

Where can I find technical product information?

Please send us an e-mail on for any technical assistance you may need for any given project.

Who do I contact if there is an issue with my product?

Our aftersales team are here to help! Please send an email to with your order number and clear images of the problem and we can take it from there.

What are your payment terms?

To push a quotation through to an order, we required 50% deposit. The remaining payment is required before delivery or collection.

You can pay the deposit amount indicated on your quotation by BACS, Cheque or Debit Card.

Where do you deliver to?

We deliver weekly to the West Midlands, Derbyshire, Leicestershire, Warwickshire, Oxfordshire, Berkshire, Surrey, West Sussex, East Sussex, Kent, Greater London, Hertfordshire, Essex, Suffolk, Cambridgeshire, Bedfordshire, Buckinghamshire. Norfolk and of course Northamptonshire.

We can deliver to further radius for specific projects, please contact us to find out more.

aspects white open bi fold doors

I have been buying windows and doors from Quantum Windows for over 25 years. I have always found the pricing very competitive and the quality has been very high. On the rare occasion a problem has arisen it has been dealt with swiftly and efficiently. The office staff are always polite, friendly and professional and we have built a strong relationship over the last 25 years. The drivers are excellent. I know them very well and they have adapted to my ways of working and are always willing to help and accommodated me.

Craig Gutteridge

“We have dealt with Quantum Windows for 13 plus years, we find the staff to be courteous and polite and any queries we may have are dealt with promptly and efficiently, nothing is too much trouble”

Jackie - Accounts Dept

W R Enterprise Glass & Glazing Ltd.

We have been buying from Quantum Windows for almost 30 years now, they offer a wide product range and the Team have excellent product knowledge which is invaluable in an ever-changing market.

All team members are friendly, helpful and efficient, orders are processed with care and quotations provided promptly. I would have no hesitation in recommending Quantum Windows.

Vicki Webb

Clearview 2000 LTD

‘We have used Quantum Windows for many years now, we have always found them to be very easy to work with, the staff are all very helpful and friendly, they are always available to offer any help should we need it, excellent product!’


Chapel Windows

Glevum and Quantum have enjoyed an excellent working relationship for a number of years, working together to provide a high quality, value for money product offering and service for the end user.

As well as delivering a high quality product, the knowledge and experience of the staff at Quantum is invaluable to a customer in a market where Building Regulations are constantly changing.

Mike Donaldson

Glevum Design & Build

As installers of both PVCu and Aluminium to the New Build market, the importance of on time delivery is totally time critical.
Over the last 20 years Quantum windows have worked closely with PGB to partner with us and deliver our offer to site.
Highly professional, and a pleasure to have worked with them so closely over the years.

Phil Martin CEO

Portico CB Ltd

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