How to stop expensive heat leaking out your walls, windows and roof

Credit: Irish Times, Journalist Joanne Hunt


“If you’ve got savings, the SEAI’s One Stop Shop service brings bigger grants than if you were to complete upgrades one by one over time. Take the example of a semi-detached house built in 1981 with a Ber rating of E2. Using the SEAI’s One Stop Shop service, works including roof insulation, external wall insulation, cavity wall insulation, new double-glazed windows, high performing doors, a heat pump, new radiators, solar PV and mechanical ventilation will bring it up to a B2 energy rating. The approximate cost would be €50,000-€69,000 depending on the size of the house, according to SEAI estimates. The One Stop Shop grant will cover about €27,300. If the homeowner had gone the individual energy upgrade grant route, the total value of the grant would be much less at €15,600. Bringing a E2-rated home up to a B2 could cut annual energy usage by about a third.”

“For anyone looking for that generational change or transformational change, the One Stop Shop, whole-house approach is going to suit them best. It isn’t cheap. It’s an investment, but that payback will last decades,” says Flannery.


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