GUIDE BY BAYT
As a design-build company, BAYT understands that navigating Ireland’s planning laws can be complex—especially when dealing with retention planning permission. Many homeowners and developers find themselves in a situation where a structure has been built or altered without prior planning permission, sometimes unknowingly. Retention planning allows you to legalize an unauthorized development, but approval is not always guaranteed.
This guide will explain everything you need to know about retention planning permission in Ireland—when you need it, how to apply, and the risks involved.
Retention planning permission is a retrospective application to the local council to seek approval for an existing development that was built or modified without the required permission. It does not mean automatic approval—local authorities will assess whether the development complies with planning laws and environmental regulations.
If granted, the development becomes legally authorized. If refused, enforcement action may follow, which could result in alteration or even demolition orders.
You may need retention planning permission if you have:
In Ireland, some minor developments are exempt from planning permission under the Planning & Development Act 2000. However, many homeowners unknowingly exceed these limits—requiring retention permission to rectify the issue.
At BAYT, we recommend consulting a qualified architect or planning consultant. They can assess whether your development is likely to be approved and advise on adjustments to strengthen your case.
Your application should include the following:
Submit the completed application and fee to your local planning authority. The decision period is typically 8 weeks but may extend if additional information is requested or objections are raised.
Yes. Approval is not guaranteed. Local authorities evaluate several factors, such as:
If refused, you may face:
To avoid retention issues down the line, follow these steps before starting any project:
Retention planning permission offers a legal route to regularize unauthorized developments, but approval is never guaranteed. If you find yourself in this situation, take action quickly and work with experienced professionals to give your application the best possible outcome.
At BAYT, we specialize in architectural design, planning applications, and compliance. Whether you’re applying for retention permission or want to ensure your next project is fully compliant from day one—we’re here to guide you every step of the way.