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Window & Door Repair Services Cardiff

For more than 20 years, we’ve been providing a valuable service to our customers in and around Cardiff.

We strive to provide a fast, clean, and efficient service throughout Cardiff and the Vale of Glamorgan.

As part of our ongoing commitment to both old and new customers.

Our small, family-owned business has earned a reputation for offering a prompt, hassle-free, and trusted service.

Small enough to care, but big enough to cope.

Whether you are a business or a domestic customer, we can fulfil your needs.

We are double glazing repair experts who work on uPVC, wood, and aluminium windows and doors.

You can count on us to repair, replace, and maintain your doors and windows to the highest of standards because we’ve been in business since 2001.

Home Improvements & Composite Doors

We supply and install a fantastic range of attractive and highly versatile composite front doors.

These doors were created by us in Cardiff, and with your home’s security and energy efficiency in mind.

Free quotes are available every time, as well as a full supply and installation service.


For your Cardiff home, composite doors provide excellent energy efficiency and security.

We’re sure there’s one to suit your need, with a variety of designs and colours to suit your style and budget.

We are industry experts who can answer any questions you may have about our products and our diligent team are waiting to take your call.


From glazing repairs to various glass and frame styles, to the installation of your new composite doors, we’ve got you covered.

We’re so sure that you’ll love our products and be happy with the service and fitting, that they all come with a 10-year warranty, allowing you to rest easy knowing you’ve made a wise choice.

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What You Need To Know About Your Window Installer

Why choose Decorative Glass & Glazing?

  • Established for over 15 years
  • Approved by Which Trusted Trader
  • Fast, efficient and reliable fitters
  • Glass and glazing specialists
  • We offer Free quotations
  • Highly recommended by our local customers
  • FENSA registered (number 31498)
  • Co. Reg (3982626) Registered in England and Wales (2001)
  • Commercial and domestic services available
  • Door and window repairs
modern stained glass panels mixed colours

Window & Door Services Provided

  • Window and door repairs
  • Velux Windows and Velux Window Repairs
  • New window and coloured composite door installations
  • Fascias and guttering
  • Stained glass
  • Broken or misted glass replacement
  • Faulty or broken hinges, handles and locks
  • Patio door problems
  • Draughty or leaking windows, doors and conservatories
  • Cat flaps, letterboxes and door panels
  • Upgrades on locks and handles
  • General home improvement
  • Conservatory roof panels
  • Free advice from a friendly, reliable company
  • For further information & services see our sub heading
Glass Fitting & Repairs Explained
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Contact Us About Window & Door Services Cardiff

For more information on uPVC window & door repairs or if you are looking for brand new composite doors for your home in Cardiff & the surrounding area, contact our trusted team. As experts in our industry we are equipped to assist you with any questions you might have.

To book a consultation with us, simply contact us directly and one of our experts will assist you with your enquiry.

Code of Conduct
As a Which Trusted trader, our business has been through a rigorous application process so you can be confident you are hiring a reputable trader.

Guarantees/Warranties are insurance backed on all doors and windows installed.

Guarantees/warranties are not insurance backed on all the other items installed.


Where we are unable to resolve your complaint using our complaints procedure, as a which? Trusted Trader we use dispute resolution ombudsman for dispute resolution.

In the unlikely event that we cannot remedy your complaint to your satisfaction you may wish to refer your complaint to them.

If you wish to do so please contact Which? Trusted Traders in the first instance on 03332413209.