Best Double Glazing Companies in 2021

amazing bi-fold doors installed by the best double glazing companies

Installing Double Glazing is one of the largest home improvements you can make to your home!

In this article we are going to be covering which are the best double glazing companies in 2021 in the UK.

If you are thinking about upgrading your windows and doors there are literally hundreds of companies out there.

From local to national the choices are vast. So which should you choose?

Firstly local vs national


Local installers and suppliers can often offer lower prices on products and installations. This is because typically, smaller companies have fewer overheads meaning they can offer lower initial prices.

The problem with this can be in the after service and, in some cases, the quality of the products. The warranties tend not to be so extensive, and the guarantees shorter.


On the other hand, the larger nationwide companies are slightly higher priced. But for this extra cost generally, they offer an aftercare service second to none.

The quality of the uPVC frames is guaranteed to be of a high standard. The warranties are extensive and cover all maintenance and any repairs required for up to 20 years.

local vs national for best double glazing companies

Pros and Cons conclusion

There are many options available to homeowners looking for the best double glazing companies in 2021. Whether you are looking for a national or local company both, have varying benefits to offer their customers.

It depends on your budget, the quality you expect and then the after care you will require.

For peace of mind we would recommend you explore all the options available to you.

Below we have listed some of the leading best double glazing companies nationwide;

  1. Help 2 Buy Windows
  2. Anglian Windows
  3. Everest
  4. Safestyle UK
help 2 buy windows probably the best double glazing company in the UK

These companies are all long-standing companies with high trust pilot reviews. Making them top competitors in being the best double glazing companies in the UK in 2021.

Why Should you Choose a Big Company

Large companies can generally offer longer guarantees, better warranties and often a faster installation process, plus they generally cover a much wider area.

They are also often insurance backed, meaning should the company go out of business, your guarantee would still be honoured.

Choosing the Right Installer

Once you have decided on your home improvements, you will have to start thinking about manufacturers and installers for your new projects.

You must consult with as many professionals as possible. Compare all your options and make an informed decision based on the quotes you have received.

get many quotes before choosing the best installer for double glazing

Listed below are some tips to assist you in choosing the right installer;

  1. Compare deals, prices and get multiple quotes.
  2. Your supplier needs to be Fensa, Certass, or DGCOS certified
  3. Make sure the installer meets all your requirements
  4. Seek help from professionals

Contact us for more advice on the Best Double Glazing Companies

Please do not hesitate to contact us here. To discuss all the options available to you when you are considering your next home improvement project.