Build Cost Calculator Ireland — Free Estimate in 60 Seconds
Get a county-adjusted cost estimate for any new build, extension, or renovation in Ireland. No drawings or sign-up needed.
Built on current SCSI and Buildcost Irish construction data
What you get
Free first estimate
Free
County-adjusted cost range for new builds, extensions and renovations. No account or card needed.
Cost Summary
€8.99
Headline cost with county pricing and a cost breakdown summary. One-time, no subscription.
Detailed Report
€34.99
Full trade-by-trade breakdown, SEAI grants, professional fees, surveys, and inflation projections.
See the full pricing page for feature comparison.
How the calculator works
Tell us your project
Select new build, extension or renovation. Enter your county and rough floor area.
Get an instant range
A county-adjusted cost range based on current Irish market rates — in under 60 seconds.
Upgrade if you need more
Unlock a full trade-by-trade breakdown, grants, and inflation projections from €8.99.
What we use to calculate your estimate
The calculator is built on the same data sources used by Irish architects and quantity surveyors — not a rough ballpark. Your estimate reflects current market rates, county-level pricing and real fee structures.
- SCSI House Rebuilding Guide (2025/2026)
- Buildcost Construction Cost Guide
- Current ESB network connection rates
- Current Uisce Éireann connection charges
- 2026 SEAI grant rates (One-Stop-Shop, BER, Solar PV)
Related reading: Cost to build a house in Ireland 2026 · House extension cost Ireland 2026
Frequently Asked Questions
Get your free estimate now
County-adjusted cost range in 60 seconds. No drawings or sign-up needed.