Detached homes 1971–1980: ratings and costs

A 1970s–80s detached house on oil, rated CEnergy rating C

Grants you’d get: €10,300
It costs about: €19,000
You pay: €5,000 – €8,900
Saves you each year: about €760
Pays for itself in: about 15 years

The commonest home on file — 24,045 like it. Change an answer above for yours.

Modelled, not observed payments. Middle case €8,930; a quarter of these homes are over €13,884. Repaid in 15.1–16.7 years. Confidence 0.9.

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Show what’s included

This is the job list that suits most homes like yours (2 in 10). The money above is the middle of every route we priced, so it will not add up to this list exactly.

Solar panels — on the roof, one day, no disruption. Cuts the electricity bill, and pairs well with a heat pump.
2.4 kWp ≈ 2,040 kWh/yr. Cost €9,400 · grant up to €1,800 · you pay €7,600.
Costs about €10,700 · grant €1,800 · you pay €8,900
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.