Semi-detached homes built 1971–1980
40,449 of these have an energy rating on file. Most are rated C, and 20% of them already hold heat well enough for a heat pump before any work is done.
What would it cost on your home?
Your cert may say B2 — that's a B on the new scale.
A heat pump runs on electricity. Pick "Heat pump" if you have one.
A 1970s–80s semi-detached on gas, rated CEnergy rating C
- Grants you’d get
- €12,500
- It costs about
- €16,800
- You pay
- €4,300 – €6,900
- Saves you each year
- about €540
- Pays for itself in
- about 14 years
The commonest home on file — 14,454 like it. Change an answer above for yours.
Modelled, not observed payments. Middle case €6,920; a quarter of these homes are over €8,100. Repaid in 13.5–15 years. Confidence 0.9.
Show what’s included
This is the job list that suits most homes like yours (3 in 10). The money above is the middle of every route we priced, so it will not add up to this list exactly.
Is the house warm enough to hold the heat? — SEAI's test before they'll fund a heat pump. The insulation steps are usually what gets you through.
Heat Loss Indicator ≤ 2.3 W/K·m² after fabric works. 15% of homes like yours already pass. Assessment about €276, grant €350 through a One-Stop-Shop.
Costs about €280 · grant €350 · the grant covers it
Heat pump — replaces the boiler, runs on electricity, pulls heat from the outside air. An outdoor unit the size of a large suitcase, bigger radiators in some rooms, three to five days. Runs cooler for longer — the house feels even, not blasted.
Air-to-water, SPF 3.5 heating / 2.5 hot water. Cost €16,832 · grant €6,500 + €4,000 (replacing oil/gas/coal) + €2,000 pipework + €700 controls = up to €13,200 · you pay from €3,632. 9.8c per kWh of heat vs gas 14.4c / oil 18.0c.
Costs about €16,800 · grant €6,500 · you pay €10,300
The paperwork — assessment first, grant approval, then the work, then a new energy cert, then the grant is paid. A One-Stop-Shop does all of it and takes the grant off the bill.
Order is mandatory — work started before approval is not eligible. Energy cert €276, assessment grant €350 through a One-Stop-Shop. Typically 3–6 months end to end (estimate).
Costs about €280 · grant €350 · the grant covers it
How these homes are rated
Ratings on the 8-grade scale in force since 24 May 2026 (A0, A, B, C, D, E, F, G). Certificates issued before that date show a sub-grade — a B2 cert is a B here.
- Energy rating C13,128 homes
- Energy rating D11,653 homes
- Energy rating E5,917 homes
- Energy rating B5,370 homes
- Energy rating F2,222 homes
- Energy rating G1,168 homes
- Energy rating A991 homes
How they are heated
- Gas — 50%
- Oil — 41%
- Solid fuel / LPG — 5%
- Heat pump — 3%
- Electric — 1%
- unknown — 0%
Median floor area 105.3 m². Heat-loss ready: 20%.