Killeen Crossbarry .

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• Attic conversion and dormer planning permission in Ireland — 94% of dormer applications grantedDublin councils granted 94% of the 1,175 attic and dormer applications they decided in the 12 months to September 2026. What is exempt, when a dormer needs permission, and the fire rules that apply either way.
• Porch and garage conversion planning permission — 99% of garage conversions grantedDublin councils granted 87 of 88 garage-conversion applications and 95% of porch applications in the 12 months to September 2026. The 2 m² porch limit, the parking condition, and when neither needs an application.
• An Bord Pleanála appeal, now An Coimisiún Pleanála — four weeks, €220, and a 25% reversal rateThe Commission reversed the council in 25% of the 1,195 Dublin-area appeals decided in the two years to September 2026. Who can appeal, the four weeks, the €220 fee, why 240 appeals a year fail on procedure, and the odds by direction.
• Certificate of compliance with planning permission — what the architect's opinion covers and what it does notRetention applications were 17% of everything lodged in the GDA over 12 months, and a fifth of those decided were refused. What a certificate or opinion on compliance with planning permission says, who signs it, the Law Society and RIAI forms, and the gaps a buyer should close from the register.