Build Cost per m² in Ireland 2026 — The Live Numbers from SCSI Q1 2026
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SCSI Q1 2026: €2,500–€3,800/m² build. A 180 m² house = €450k–€684k. A-rated fabric-first: €2,800–€3,800. Standard: €2,500–€3,200.
SCSI Tender Price Index Q1 2026: build cost in Ireland is €2,500–€3,800 per m² of finished floor area. A 180 m² house built: €450,000–€684,000. A-rated fabric-first design: €2,800–€3,800/m². Standard build: €2,500–€3,200/m². Site-specific cost (slope, access, services, septic, long connection runs) adds 15–25% on top. A 10% contingency is the minimum. Most Irish self-builds land at €2,800–€3,400/m² for the build alone, with site works, fees, services, VAT, and contingency bringing the total to €600k–€1m for a 150–200 m² house.
TL;DR
SCSI Q1 2026: €2,500–€3,800/m² of finished floor area. A 180 m² house = €450,000–€684,000.
A-rated fabric-first design: €2,800–€3,800/m². Standard build: €2,500–€3,200/m².
Site-specific cost (slope, access, services, septic, long connection runs) adds 15–25% on top. A 10% contingency is the minimum.
When this matters most
You're shaping the budget envelope and need a real number.
When this doesn't apply
You've signed a building contract with a fixed price.
Frequently asked questions
How much does it cost to build per m² in Ireland in 2026?
SCSI Q1 2026: €2,500–€3,800/m² of finished floor area. A 180 m² house = €450k–€684k. A-rated: €2,800–€3,800. Standard: €2,500–€3,200.
What is the SCSI Tender Price Index?
The Society of Chartered Surveyors Ireland's quarterly publication. Tracks tender prices for construction work in Ireland. The authoritative source for build cost in Ireland.
How much is site works on top of the build?
15–25% on top of the build cost. Slope, access, services, septic, long connection runs. €20,000–€80,000 depending on the site. Budget 20% on top of the build cost as a rule of thumb.
Sources
SCSI, Tender Price Index Q1 2026. https://www.scsi.ie/
Frequently asked questions
How much does it cost to build per m² in Ireland in 2026?
SCSI Q1 2026: €2,500–€3,800/m² of finished floor area. A 180 m² house = €450k–€684k. A-rated: €2,800–€3,800. Standard: €2,500–€3,200.
What is the SCSI Tender Price Index?
The Society of Chartered Surveyors Ireland's quarterly publication. Tracks tender prices for construction work in Ireland. The authoritative source for build cost in Ireland.
How much is site works on top of the build?
15–25% on top of the build cost. Slope, access, services, septic, long connection runs. €20,000–€80,000 depending on the site. Budget 20% on top of the build cost as a rule of thumb.
When this matters most
You're shaping the budget envelope and need a real number.
When this doesn't apply
You've signed a building contract with a fixed price.
Where to go next
Next decision
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