Livin Roof extension inside the Custom Glaze showroom
White three leaf uPVC bifold doors in a hardwood floor living room

About Custom Glaze

Custom Glaze started in October 1981 in New Bradwell. Shortly afterwards, an additional showroom was opened in Queensway, Bletchley. By 1995, we were established as a leader in the area for individually designed conservatories, and we moved to Denbigh Hall, Bletchley, where we became the most comprehensive window, door and conservatory showroom in Milton Keynes.


We now have several decades of experience fitting windows, doors, conservatories and roofline products throughout Milton Keynes, Northampton, and the surrounding area. We are highly regarded as a company that is committed to providing high-quality products and taking care of you.


As Ultra Installers, we are fully qualified to fit Ultraframe products. We are also members of a number of leading trade and consumer organisations that endorse the quality of our products and service, giving you peace of mind that you are dealing with a highly reputable and respected company.

Why Choose Us?

Ultra Installers

Membership of the Ultra Installer Scheme demonstrates a retailer’s commitment to product and service excellence..

Proven Track Record

We have over 43 years of experience and have always traded as Custom Glaze.

Building Regulation Compliant

Custom Glaze installations comply with the rigorous standards set out by Building Control using FENSA – Government Authorised.

A+ Rated Double Glazing

Custom Glaze fit A+ energy-rated windows as standard to ensure that your home is well insulated and energy efficient.

Highly Trained

Every one of our fitters is qualified to Level 2, NVQ Diploma in Fenestration Installation (Construction) (QCF) standard, as well as being FENSA MTC compliant (Minimum Technical Competencies) so you can be totally confident of a quality installation.

Outstanding Aftersales

We have a dedicated after sales team so should the need arise, you can be reassured that we will look after you beyond the installation period.

Frequently Asked Questions

Is my deposit protected and is it a meaningful guarantee?

Deposits, other payments and your after-sales warranty are fully backed by HomePro insurance.

Can I rely on Government TrustMark Accreditation?

Custom Glaze operate within the stringent framework of the Government’s TrustMark Scheme which recognises traders who are reputable and trustworthy.

Where can I download and view your brochures?

Please find all of our downloads and brochures here. You can preview and download our brochures for any products you are interested in or get a free quote online.

Do you have any job vacancies?

We are always interested in hearing from individuals with relevant industry experience. If you are looking for a new challenge, want to expand your knowledge and wish to progress in your career, then we want to hear from you.

You will be joining a growing company that has exciting opportunities and a friendly working environment. If you feel you could contribute then please get in touch.

Do you offer finance?

Important Finance Features

  • Loan terms can vary from 3-10 years.
  • Overpayments and early payments can be made at any time. By making overpayments, you can avoid further interest and reduce the overall length of the loan.
  • Interest rates are available from 14.90% APR Representative. Interest rates may differ depending on financial circumstances.
  • Paying a deposit is available.

Learn more via the Phoenix Financial Calculator. Please keep in mind that Phoenix is a credit broker and not a lender. If you would like to view any of our products before you purchase directly or via finance, then visit our showroom in person.

For more information about our finance and loan options, call us directly at 1908 650 140, and we’ll be more than happy to help. Alternatively, you can message our team via our WhatsApp tool.

Close up of a dark green composite door with a Christmas door wreath

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