Green Mortgages: Lower Rates for Energy Efficient Homes

What Is a Green Mortgage?

A green mortgage is a mortgage product that offers preferential terms to borrowers who own or are purchasing an energy efficient home. These better terms typically take the form of lower interest rates, cashback incentives, or both.

To qualify, your property usually needs to meet certain energy performance standards, most commonly an Energy Performance Certificate (EPC) rating of A or B. Some lenders also offer green mortgage incentives for borrowers who plan to make energy efficiency improvements to their home.

Green mortgages have grown significantly in the UK market in recent years, with many major lenders now offering dedicated green products. This growth is driven by increasing awareness of climate change and government targets for improving the energy efficiency of the UK housing stock.

How Do Green Mortgages Work?

The specifics vary between lenders, but green mortgages generally fall into two categories. The first rewards properties that already have a high EPC rating with a lower mortgage rate or a cashback payment. The second provides funding or incentives for energy efficiency improvements.

For the first type, you'll typically need to provide your property's EPC certificate showing an A or B rating. The lender then offers you a reduced rate compared to their standard products, often by 0.1% to 0.2%, or a one-off cashback payment of several hundred pounds.

For the second type, some lenders offer additional borrowing at preferential rates to fund improvements such as insulation, solar panels, heat pumps, or double glazing. The idea is that these improvements will reduce the property's energy costs and carbon footprint, benefiting both the homeowner and the environment.

Benefits of Green Mortgages

The financial benefit of a lower interest rate or cashback is the most obvious advantage. Even a small rate reduction can save you hundreds of pounds over a 2 or 5-year deal period, and the savings compound over the life of the mortgage if you continue to qualify for green deals when remortgaging.

Energy efficient homes also tend to have lower running costs, with reduced spending on heating and energy bills. Combined with a green mortgage rate, this means your overall housing costs could be significantly lower than a comparable less efficient property.

There's growing evidence that energy efficient homes hold their value better and are easier to sell. As energy efficiency standards tighten and buyers become more conscious of running costs, a high EPC rating is becoming an increasingly important factor in property valuations.

How to Qualify and What to Look For

The most common requirement is an EPC rating of A or B. You can check your property's current EPC rating for free on the government's EPC register. If your rating is lower, consider what improvements could raise it. Common upgrades include loft insulation, cavity wall insulation, double or triple glazing, and efficient heating systems.

When comparing green mortgage deals, look beyond the headline rate or cashback. Compare the total cost of the green deal against the best standard deals available. In some cases, a standard mortgage with a lower arrangement fee or better rate may still be cheaper overall.

Speak to a mortgage broker who is familiar with green products. The market is evolving quickly, with new deals launching regularly. A broker can help you find the best green mortgage available and advise on whether it genuinely offers better value than a standard product.