Self-Build Timeline in Ireland 2026 — Month-by-Month, What Happens and When
On this page
Self-build timeline: month 0–6 site and design, month 6–9 planning, month 9–24 build, month 24–26 snag and BCAR.
Self-build timeline in Ireland 2026: month 0–6 site and design, month 6–9 planning, month 9–24 build, month 24–26 snag and BCAR. Total: 24–30 months from sketch to keys. Add 6 months if you're still choosing a site; add 12 months for a sloped or complex site. Critical milestones: planning granted (month 9), foundation complete (month 12), weathertight (month 18), first fix (month 21), second fix (month 23), CCC (month 25). The most common delays: planning refusal (4–8 weeks), redesign after the brief (2–4 weeks), foundation overrun on a sloped site (4–8 weeks), snag and BCAR (4–6 weeks). Most Irish self-builds that finish on time have a 2–4 week buffer in the programme; those that don't, miss the practical completion date by 2–8 weeks.
TL;DR
Self-build timeline in Ireland 2026: month 0–6 site and design, month 6–9 planning, month 9–24 build, month 24–26 snag and BCAR.
Total: 24–30 months from sketch to keys. Add 6 months if you're still choosing a site; add 12 months for a sloped or complex site.
Critical milestones: planning granted (month 9), foundation complete (month 12), weathertight (month 18), first fix (month 21), second fix (month 23), CCC (month 25).
When this matters most
You're at the start of the journey and want a month-by-month timeline.
When this doesn't apply
You're already on site.
Frequently asked questions
How long does a self-build take in Ireland in 2026?
24–30 months from sketch to keys. Month 0–6 site and design, month 6–9 planning, month 9–24 build, month 24–26 snag and BCAR.
What are the critical milestones?
Planning granted (month 9), foundation complete (month 12), weathertight (month 18), first fix (month 21), second fix (month 23), CCC (month 25).
Where do most self-builds run late?
Planning refusal (4–8 weeks), redesign after the brief (2–4 weeks), foundation overrun on a sloped site (4–8 weeks), snag and BCAR (4–6 weeks). Plan 2–4 weeks of buffer at each.
Sources
Building Control (Amendment) Regulations 2014 (SI 9/2014). https://www.gov.ie/
Frequently asked questions
How long does a self-build take in Ireland in 2026?
24–30 months from sketch to keys. Month 0–6 site and design, month 6–9 planning, month 9–24 build, month 24–26 snag and BCAR.
What are the critical milestones?
Planning granted (month 9), foundation complete (month 12), weathertight (month 18), first fix (month 21), second fix (month 23), CCC (month 25).
Where do most self-builds run late?
Planning refusal (4–8 weeks), redesign after the brief (2–4 weeks), foundation overrun on a sloped site (4–8 weeks), snag and BCAR (4–6 weeks). Plan 2–4 weeks of buffer at each.
When this matters most
You're at the start of the journey and want a month-by-month timeline.
When this doesn't apply
You're already on site.
Where to go next
Next decision
The next step in your build sequence.