Wilkinstown, Whitechurch

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• Retention planning permission in Ireland — refused 27% of the time, against 7% for extensionsOne in six Dublin applications is for retention, and 27% of retention decisions in the two years to September 2026 were refusals. When you need it, the treble fee, the seven-year rule and the sale-time problem.
• Granny flat planning permission in Ireland — the family-flat condition and the 2026 exemptionDublin councils granted 102 of the 122 granny-flat and family-flat applications they decided in the 12 months to September 2026. When an attached flat needs permission, what Class 3A exempts from 27 July 2026, and the condition every grant carries.
• Further information requests on a planning application — 21% of Dublin files, six months to reply21% of applications received by Dublin councils in the year to September 2026 drew a further information request. What the council is asking, the six-month deadline, what "significant" FI triggers, and what it does to neighbours' rights.
• Appeals overturned by council — how often An Coimisiún Pleanála reverses each Dublin council, and in which directionThe Commission reversed the council on 301 of 1,195 Dublin appeals decided in 24 months, 25%. South Dublin was reversed most (30%), Dublin City least (23%), and 76 of Fingal's 85 reversals turned a refusal into a grant. How the appeal works, what a reversal rate means, and how to read your council's number before you appeal.