
Mortgages
If you’re planning on installing energy-efficient solutions, a mortgage can be an effective way to finance the improvements, offering flexibility and often lower interest rates compared to other types of loans.
Here’s how a mortgage can be tailored to support your needs.

What Is a Mortgage?
A mortgage is a long-term loan that is primarily used to purchase a home or fund major improvements. The loan is secured against your property, meaning if you fail to make the repayments, the lender has the right to repossess your home to recover the outstanding debt. Mortgages typically last between 25 to 40 years, which spreads out your monthly payments. However, because you’re paying interest over a longer period, the total amount repaid will be significantly higher than the original loan amount.
For example, if you borrow £250,000 with a 25-year mortgage at a 5% interest rate, you would end up paying approximately £438,000 over the term of the mortgage, which includes £188,000 in interest.

Benefits of Using a Mortgage
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Lower Interest Rates: Mortgage rates are generally lower than those for unsecured loans or other secured loans, making them a cost-effective option for financing your home improvements.
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Longer Repayment Period: The extended repayment terms of a mortgage help to reduce your monthly payments, making it easier to manage your budget while undertaking significant home improvements.
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First Charge: Typically, your mortgage lender has the first claim on any money generated from the sale of your home, which can contribute to more favourable interest rates.

Green Mortgages
If you search for “Green Mortgages,” you’ll find a variety of products available from both high street banks and some specialist green mortgage providers such as Ecology Building Society. Green mortgages may offer benefits like discounted interest rates, cashback rewards, or 0% interest offers for specific retrofit projects. However, it’s essential to note that “green mortgages” can differ significantly between providers, and even with potential discounts, they may not always be the cheapest option in the market.
Currently, green mortgages may offer one of these benefits:
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Discounted Interest Rates: Depending on your home’s EPC rating or the type of energy-efficient solution, some lenders may offer a lower interest rate. For example, the Ecology Building Society offers discounts on the amounts borrowed for retrofit projects.
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Cashback Rewards: Some high street banks offer cashback—up to £2,000—for homes that achieve an EPC rating of A or B. In some cases, this cashback is available without requiring additional borrowing.
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0% Interest Offers: Certain lenders, like Nationwide, provide limited-time 0% interest offers on loans for home energy projects, up to a specified amount.


Seek Expert Advice
The mortgage market is complex and constantly evolving. Whether you’re considering a new mortgage or looking to borrow more on your existing one, it’s important to understand the different options and associated costs. Consulting a regulated mortgage adviser can help ensure you choose the best option for your specific needs.
For more information, you can explore these resources:
We are not responsible for the content or accuracy of external websites.
Can I add the cost to my mortgage?
Yes, you can often add the costs to your mortgage, making it easier to pay for your home improvements. Many lenders offer specific mortgage products designed for energy-efficient upgrades, such as green mortgages or home improvement loans. These options allow you to borrow additional funds to cover the cost of solutions like insulation, energy-efficient windows, or solar panels. Find out more here.
The amount you can borrow with a mortgage will depend on your personal financial situation, the affordability of the repayments and any change in value of your property in the time since you took out your original mortgage. You should consider very carefully before making the decision to increase your borrowing (and increase your repayments or time to pay your mortgage) and if you are at all unsure seek financial advice.
FAQ's - Mortgages


Every house and every household is different - I'd really recommend taking up the free advice to work out which solutions are best for you.
Andy, Fulford
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