House Rewiring Guides & Calculator
Practical guides to house rewiring costs, warning signs, Safe Electric certificates, inspections and grants across Ireland.
Free, no obligation. One registered electrician prices it, not five.
- €7,000 to €14,500a full rewire of a 3-bed house
- 4 to 10 dayson site for a 3-bed rewire
- 42%of Irish homes were built before 1981 (Census 2022)
- €10,700the most the council grant for over-66s pays
Every rewiring guide
- House rewire costBy size of home: €7,000 to €14,500 for a 3-bed house.
- Signs you need a rewireThe warning signs, and which ones are urgent.
- Partial rewireWhen part of the house is enough: €1,200 to €4,000+.
- How long a rewire takes4 to 10 days for a 3-bed house.
- Living in the house during a rewireWhat the week is like, room by room.
- The Safe Electric certWhy only a registered electrician can sign it off.
- Electrical inspectionThe Periodic Inspection Report: €150 to €350.
- Fuse board upgradeA new consumer unit: €350 to €1,400.
- RCD protectionWhat an RCD does, and how to test yours.
- Rewiring an old houseRubber cable, old fuses, period features.
- Before buying or sellingWhat a buyer's solicitor asks for, and why.
- Rewiring grantsUp to €10,700 for over-66s, and the vacant homes grant.
- Frequently asked questionsAnswers to common questions on rewiring, testing, certificates and grants.
- Technical & trade glossary15 Irish electrical and wiring terms defined A to Z.
- All 26 countiesLocal housing figures and council grants by county.
Every guide, calculator and county page
Jump straight to any specification guide, our interactive calculator, the technical glossary or your county page.
Price & Specification Guides
Calculator, FAQ & Glossary
Find out what your rewire costs
Four taps for our price range, then a written price from one Safe Electric registered electrician who covers your county. Free, no obligation.