Upgrading your windows to improve thermal insulation and reduce noise shouldn’t be a financial burden. In 2026, the Scottish Government and various national bodies offer financial support to help homeowners and businesses transition to a more energy-efficient future.

Because secondary glazing is often the only approved insulation method for listed buildings and conservation areas, it is frequently featured in energy-saving schemes.

For Homeowners: Domestic Funding Routes

Home Energy Scotland (HES) Grant & Loan

The most popular route for Scottish homeowners is the Home Energy Scotland Grant and Loan scheme.

• The Funding: While the primary “grant” portion (up to £7,500) is often reserved for heat pumps and wall insulation, secondary glazing is eligible for an interest-free loan of up to £8,000.

• The Benefit: This allows you to spread the cost of your professional EcoShield installation over several years with 0% interest, making the upgrade immediately affordable.

• Eligibility: You must be a homeowner in Scotland and the work must be recommended in an Energy Performance Certificate (EPC) or a Home Energy Improvement Report.

Warmer Homes Scotland

For households struggling with high energy bills or those meeting specific benefit criteria, the Warmer Homes Scotland scheme can provide significant support.

• The Funding: This scheme often covers the full cost of energy-saving measures.

• Secondary Glazing Role: If your home has single glazing and cannot be upgraded to double glazing due to planning restrictions (such as in a Listed Building), secondary glazing is often the recommended solution funded by this grant.

For Businesses: SME & Commercial Support

Business Energy Scotland SME Loan & Cashback

If you own or manage a business premises, a charity, or a not-for-profit organisation, you can access the SME Loan Scheme.

• The Funding: Businesses can apply for an interest-free loan of up to £100,000.

• The Cashback: One of the most attractive features is the cashback grant. Eligible businesses can receive up to 75% of costs back (up to £20,000) for energy efficiency measures, which specifically includes secondary glazing.

• Why it Matters: For offices, hotels, or retail spaces in older buildings, secondary glazing dramatically reduces overheads by cutting heating demand.

Specialist Funding: Heritage & Community

Historic Environment Scotland (HES) Grants

For owners of nationally significant listed buildings, Historic Environment Scotland occasionally offers repair and fabric improvement grants. While highly competitive, these grants prioritize “sympathetic” upgrades that maintain the historic integrity of a building—making bespoke secondary glazing a top candidate for approval.

Community Buildings Fund (CARES)

Community-owned buildings (like village halls or sports clubs) can access the CARES Community Buildings Fund. This can provide up to 80% funding for energy efficiency measures, including secondary glazing, when combined with a renewable heat source like a heat pump.

How to Get Started

Funding landscapes can change, and technical requirements (like U-value ratings) are strict. At EcoShield, we stay up-to-date with the latest 2026 criteria.

1. Book a Survey: We provide the technical specifications required for your application.

2. Contact the Body: Reach out to Home Energy Scotland or Business Energy Scotland to begin your application.

3. Professional Installation: Once your funding is approved, our expert team handles the rest.

Contact us today to request a quote.