Planning Permission Ireland

Self-Build Mortgage Step by Step in Ireland — Application to Final Drawdown

Last updated 30/6/2026 · Reviewed 30/6/2026
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Self-build mortgage: application, valuation, drawdowns at 7 milestones, final retention. 12–18 months from application to final drawdown.

Self-build mortgage in Ireland: application, valuation, drawdowns at 7 milestones, final retention. 12–18 months from application to final drawdown. Stage drawdowns: foundation (15%), wall plate (15%), roof on (15%), weathertight (15%), first fix (15%), second fix (15%), completion (10%). The exact percentages vary by lender. You'll need: planning permission, BCAR Commencement Notice, Assigned Certifier, fixed-price building contract, structural warranty. Most lenders will not lend more than the value at each stage. Apply as soon as you have planning permission. The application takes 4–8 weeks; the valuation takes 2–4 weeks; the first drawdown releases on completion of the foundation.

TL;DR

  • Self-build mortgage in Ireland: application, valuation, drawdowns at 7 milestones, final retention. 12–18 months from application to final drawdown.

  • Stage drawdowns: foundation (15%), wall plate (15%), roof on (15%), weathertight (15%), first fix (15%), second fix (15%), completion (10%).

  • You'll need: planning permission, BCAR Commencement Notice, Assigned Certifier, fixed-price building contract, structural warranty.

When this matters most

You're applying for a self-build mortgage.

When this doesn't apply

The mortgage is drawn down.

Frequently asked questions

How long does a self-build mortgage take in Ireland?

12–18 months from application to final drawdown. Application 4–8 weeks. Valuation 2–4 weeks. Stage drawdowns at 7 milestones. Final retention released at snag closure.

What do I need for a self-build mortgage application?

Planning permission, BCAR Commencement Notice, Assigned Certifier, fixed-price building contract, structural warranty. Plus standard mortgage documents (P60s, bank statements, etc.).

When is the final mortgage drawdown?

At completion (10% of the build cost), subject to snag closure and BCAR sign-off. Most lenders hold 5% retention until the snag is closed, then release the final 10%.

Sources

HomeBond, Structural warranty. https://www.homebond.ie/

Frequently asked questions

How long does a self-build mortgage take in Ireland?

12–18 months from application to final drawdown. Application 4–8 weeks. Valuation 2–4 weeks. Stage drawdowns at 7 milestones. Final retention released at snag closure.

What do I need for a self-build mortgage application?

Planning permission, BCAR Commencement Notice, Assigned Certifier, fixed-price building contract, structural warranty. Plus standard mortgage documents (P60s, bank statements, etc.).

When is the final mortgage drawdown?

At completion (10% of the build cost), subject to snag closure and BCAR sign-off. Most lenders hold 5% retention until the snag is closed, then release the final 10%.

When this matters most

You're applying for a self-build mortgage.

When this doesn't apply

The mortgage is drawn down.

Where to go next

Watch out for

Common mistakes, hidden costs, gotchas.