Double glazing grants – what help is available?
24 Feb 2025

Double glazing can offer better insulation to your home and help reduce the overall amount of heat lost. By having better insulation in your own this can help lower your overall energy bills while offering a range of other benefits such as minimising external noises.
While double glazing potentially provides long-term savings and reduction in your energy bills, the upfront cost can replace your homes double glazing can be significant.
Fortunately, various government grants and financial support schemes can help make energy-efficient home improvements more affordable.
Government Schemes Supporting Double Glazing
Energy Company Obligation (ECO4) Scheme
What is the ECO4 Scheme?
The ECO4 scheme is a government initiative designed to improve energy efficiency in homes throughout the UK, targeting low-income households and those in fuel poverty.
Who is Eligible?
Homeowners and tenants in receipt of certain benefits (e.g., Universal Credit, Pension Credit)
Properties with poor energy efficiency ratings
Homes with inadequate insulation or outdated heating systems
How to Apply
Check your eligibility on the GOV.UK website or with an approved energy supplier
Contact a participating provider
Arrange a free home energy assessment
If eligible, get double glazing installed at little or no cost
Home Upgrade Grant (HUG)
What is the Home Upgrade Grant?
The Home Upgrade Grant (HUG) provides financial support to off-gas grid homes, helping to improve insulation, heating, and glazing.
Who Can Apply?
Homeowners in England
Households with low incomes
Properties that are not connected to the mains gas network
How to Apply
Visit your local council's website for availability
Submit an online application
Arrange for a home assessment
Receive funding for eligible improvements, including double glazing
Home Energy Scotland Grant and Loan
What Does It Cover?
For homeowners in Scotland, the Home Energy Scotland Grant and Loan scheme offers:
Grants of up to £7,500 for energy efficiency improvements such as improvements to your homes double glazing
Interest-free loans for double glazing and insulation upgrades
How to Apply
Check eligibility on the Home Energy Scotland website
Submit an application
Schedule an energy assessment
Receive funding for approved installations
Regional Assistance Programs
Warmer Homes Scotland
Designed to help reduce fuel poverty, Warmer Homes Scotland offers grants and financial assistance for energy-saving measures, including double glazing.
Eligibility & Application Process
Available to homeowners and private tenants in Scotland
Must meet income criteria
Apply via Home Energy Scotland for a free assessment
Schemes in Wales and Northern Ireland
Wales: The Nest scheme offers free energy-saving upgrades for low-income households
Northern Ireland: The Affordable Warmth Scheme provides grants for insulation and heating improvements, including window upgrades
How to Apply: Contact the relevant energy agency in your region for eligibility checks and funding applications.
Additional Financial Support Options
Green Deal Loan Scheme
A government-backed loan designed to help homeowners spread the cost of energy-efficient improvements for your home including upgrading your UPVC windows.
Repayments are added to energy bills
Interest rates are competitive
Available for double glazing, insulation, and heating upgrades
Barclays Greener Home Reward
Barclays customers can access a cash reward for making energy-efficient upgrades, including double glazing.
Eligibility: Must have a Barclays mortgage
Incentive: Cashback for eco-friendly home improvements
How to Apply: Apply via the Barclays website and provide proof of upgrades
With numerous grants and financial aid options available, investing in double glazing has never been more affordable.
Whether you're a homeowner or tenant, it's worth exploring these schemes to reduce costs and improve home efficiency.
Need expert advice? Glazing Hub can guide you through the best options for your home. Contact us today to find out how you can benefit from financial assistance!
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