Double-glazing, an effective method for enhancing the energy efficiency of a residence, can significantly reduce fuel costs and exterior noise. 

According to the Energy Saving Trust, the implementation of A++ double-glazed windows can save a detached home between £115 and £120 annually and a semi-detached home approximately £60 annually.

While direct grants for double-glazing may not be available, funding for new double-glazed windows may be available through specific government programmes.

Find funding you qualify for

See the home and energy grants open right now and check your eligibility.

Understanding the Benefits of Double-Glazing

Double glazing involves creating windows with two layers of glass separated by an insulating space. This insulation breach, which is typically filled with an inert gas, offers several advantages, including a reduction in heat loss in winter, a reduction in heat gain in summer, and a reduction in noise pollution.

Principal Aspects of Double Glazing Grants

Here are the most important facts about double-glazing grants that you must know:

  • Given that each energy company has a limited budget, not everyone who qualifies for a grant will receive one.
  • Grants typically cover two categories of alterations: the replacement of single-glazed windows with double- or triple-glazed windows.
  • Not all energy providers take part in the double-glazing grant programme.
  • If you fulfil the requirements, you can request a grant from participating companies.
  • The double-glazing grant may not cover the full price of the windows, so you may be required to make a contribution.
  • From 1 April 2021 to 31 March 2022, the final grant applications will be accepted.

Eligibility Requirements for Double Glazing

To qualify for a double-glazing grant from the government, you must receive one of the following benefits:

  • Income-Related Jobseeker’s Allowance
  • Income-Related Employment and Support Allowance
  • Income Support
  • Pension Credit Guarantee Credit
  • Pension Credit Savings Credit
  • Working Tax Credit
  • Universal Benefits
  • Housing Benefit
  • Child Tax Credit 
  • Child Benefit (With dependencies)
ECO4 ends on 31 December 2026We can no longer help with ECO4 applications. You can apply for a free home battery or see other funding options.

What is the LA Flex Scheme?

The government provides grant funding for energy efficient upgrades through the Energy Company Obligation (ECO4) scheme. The LA Flex scheme is one of the opportunities available to homeowners, tenants, and landlords through ECO4.

The following may be available to you through the LA Flex Scheme:

To be eligible for the LA Flex fund, you must satisfy one or more of the following requirements:

  • Low-income: If the Household income is less than £31,000 before tax you will qualify through route 1 of the LA Flex scheme.
  • Certain conditions that are impacted by the cold: Those with respiratory disease, cardiovascular disease, neurobiological disease, cancer, limited mobility, or autoimmune and immunological diseases will qualify via route 3 of the LA Flex scheme. 

It is important to note, windows aren’t normally offered through the ECO4 or LA Flex scheme.

Grants for double-glazing are available to householders in need of assistance with home improvements. The implementation of energy-efficient measures, such as double-glazing, contributes not only to individual financial savings but also to our collective struggle against climate change.