Green Mortgages & Dublin Property – How To Turn Energy Efficiency into Financial Gain

3 hours ago
2 min read

In Dublin's competitive property market, where house prices rose by 5.3% year on year to late 2025, every small percentage point on your mortgage counts. At Citywide Financial, we’re seeing a significant shift - your home's Building Energy Rating (BER) is no longer just about reduced heating bills - it’s now the key to unlocking some of the lowest mortgage rates in Ireland.

What is a "Green Mortgage"?

A green mortgage is a specialised home loan offering preferential interest rates to borrowers who buy, build, or renovate a home to high energy-efficiency standards.

· What is the threshold for a Green Mortgage? To qualify, a property typically needs a BER of B3 or higher.

· What is the discount for a Green Mortgage? Lenders offer discounts (often around 0.30%) off their standard fixed rates.

· How popular are Green Mortgages? By 2024, green mortgages already accounted for 40% of all new mortgages in Ireland.

Why does this matter for Dublin Homeowners?

With Dublin's high property valuations, a lower interest rate can lead to massive long-term savings. On a €300,000 mortgage, the difference between a green rate and a standard rate can be thousands of euros over the life of the loan.

· Future-Proofing: Energy-efficient homes are increasingly in demand, potentially increasing your propertys resale value.

· Reduced Bills: Better insulation and modern heating (like heat pumps) can significantly cut your monthly utility bills.

How Citywide Financial Can Help You To Secure the Best Deal

As your local Dublin broker, we do the heavy lifting so you don't have to. We work closely with major lenders like Bank of Ireland (BOI) and Permanent TSB (PTSB) to find the right fit for your BER rating.

Lender	Green Mortgage Features
Bank of Ireland (BOI)	Offers the EcoSaver mortgage with tiered discounts. If you improve your BER to B3 or better within 6 to 18 months of drawdown, you can unlock a 0.30% discount.
Permanent TSB (PTSB)	Provides competitive green fixed rates for 3 or 5-year terms for homes rated A1 to B3. They also offer low-cost energy upgrade loans starting from 2.99% to help you reach that target BER.

Don't have a B3 rating yet?

That’s not a problem. Many homeowners are using SBCI Home Energy Upgrade Loans to fund retrofits e.g attic insulation or solar panels which boosts their rating. Once your home hits that B3 mark, you may be eligible to switch to a green rate and start saving.