Dún Laoghaire-Rathdown County Council, DLR for short, has searchable planning files back to 1994, one list a week, and free written pre planning advice. It also has a page explaining the new exemptions that came in on 27 July 2026.
How to search DLR planning applications online
Text search for applications from 1994, and a map search from 2002.
The council's online search page links to the text search and the map search.
- Documents can take up to 10 working days to be scanned and uploaded.
- Because of data protection restrictions, the full contents of some applications are not online.
- The council says there is a delay in plotting new applications on the map, so search by text for anything recent.
DLR weekly planning list
One PDF a week, with sections for applications received, decisions, appeals notified and appeal decisions.
See the weekly planning lists page.
Making a planning application to Dún Laoghaire-Rathdown County Council
Online through planning.localgov.ie, or by post with two copies of all documents plus 6 copies of the map and plans (10 for a protected structure or a conservation area).
- See the council's planning permission page.
- Paper applications go to the Secretariat Section, Planning Department, County Hall, Marine Road, Dún Laoghaire.
- DLR's page on the new and amended planning exemptions of July 2026 and its exempt development page explain what can be built without permission.
Free pre planning advice from DLR
Free written advice for anyone with a legal interest in the site. Average feedback time is 6 to 8 weeks.
Apply through the pre application portal, by email to preplanning@dlrcoco.ie, or by post to the Pre Planning Section, County Hall, Marine Road, Dún Laoghaire, A96 K6C9. Send the request form, an Ordnance Survey map at 1:1000 in urban areas or 1:2500 in rural areas, drawings and a description. The record becomes public if an application follows. See the pre planning consultations page.
DLR County Development Plan: extensions in Dundrum, Blackrock, Stillorgan and Dalkey
The Dún Laoghaire-Rathdown County Development Plan 2022 to 2028 came into effect on 21 April 2022. Section 12.3.7.1 covers extensions to houses.
See the development plan and its interactive map. Variation No. 1 was made on 23 September 2026 and has immediate effect. Section 12.3.7.1 of the written statement covers front, rear and side extensions and roof level extensions including dormers. It says:
- For a front extension, a minimum driveway length of 6 metres should be maintained.
- Dormer extensions should be set down from the existing ridge level so as not to read as a third storey.
Local area plans include Dundrum (2023) and Kiltiernan and Glenamuck (2025); the council's local area plans page lists the rest.
Protected structures and conservation areas in Dún Laoghaire-Rathdown
The Record of Protected Structures is Appendix 4 of the development plan. DLR has 25 architectural conservation areas.
Check Appendix 4; on the plan's map, protected structures are coloured orange. The conservation areas include Dalkey, Dundrum, Foxrock, Killiney and Monkstown, with boundaries on the development plan maps. The owner or occupier of a protected structure can ask for a Section 57 declaration on which works need permission: conservation@dlrcoco.ie.
Making a submission and contacting DLR planning
Submissions cost €20, within 5 weeks, online through the council's planning system.
- See the council's submissions and observations page. By post, send to the Decisions Section, Planning Department, County Hall.
- Phone: 01 205 4700 (main line), 01 205 4859 (applications), 01 205 4863 (decisions), 01 205 4871 (pre planning)
- Email: planning@dlrcoco.ie
- Public planning counter: County Hall, Marine Road, Dún Laoghaire, Monday to Friday 10am to 4pm
DLR's weekly lists remind anyone using applicants' personal details for direct marketing that they must be satisfied they can do so lawfully. We never collect or use them.
Kitchen, window and wardrobe fit out for extensions in Dún Laoghaire, Dundrum, Blackrock, Stillorgan and Dalkey
Once the extension is built, we design, supply and fit the kitchen, windows, wardrobes and fitted furniture, made to measure and fitted by our own team. See fitted kitchens in Dublin.
Photos of our own work are kitchens Stephen's team fitted in Dublin, and every caption says so; anything else is labelled a design visual; we will not describe them as Dún Laoghaire-Rathdown jobs. Rated 5.0 on Google, 7 reviews. If your drawings are ready, the free plan check gets the fit out priced from them by our team.
For the rules that apply everywhere, see when an extension needs planning permission, the planning process step by step and what an extension costs.
Dún Laoghaire-Rathdown planning questions
How long does Dún Laoghaire-Rathdown take to decide a planning application?
The law gives every council, Dún Laoghaire-Rathdown County Council included, 8 weeks from receiving a valid application to decide, unless it asks for further information. Add 4 weeks after the decision for the appeal period before permission is granted.
How do I see a neighbour's planning application in Dún Laoghaire-Rathdown?
Search DLR's online planning system by text, which is more up to date than the map, and open the documents on the file. You have 5 weeks from the day the council receives the application to make a submission, for €20.
Can I get pre planning advice from Dún Laoghaire-Rathdown County Council?
Yes, free written advice for anyone with a legal interest in the site, through the pre application portal or preplanning@dlrcoco.ie. The council says feedback takes 6 to 8 weeks on average.
How much does a planning application cost in Dún Laoghaire-Rathdown?
The fee for a house extension is €34, set nationally, so it is the same in every county. A submission on someone else's application is €20, and an appeal to An Coimisiún Pleanála is €220. The drawings and professional time cost far more than the fees.
Do you fit kitchens, windows and wardrobes in Dún Laoghaire-Rathdown?
Yes, across Dún Laoghaire-Rathdown, including Dundrum, Blackrock, Stillorgan and Dalkey. Send the drawings for a free plan check and you get a free 3D design and itemised quote for the kitchen, windows, wardrobes and anything else you tick.
Sources for this guide
Every figure and rule on this page was checked against these official sources on 27 October 2026. Planning law is changing under the Planning and Development Act 2024, so check the source before you rely on a detail.
- DLR: Planning applications online search last checked 27 October 2026
- DLR: Weekly planning lists last checked 27 October 2026
- DLR: Planning permission last checked 27 October 2026
- DLR: New and amended planning exemptions, July 2026 last checked 27 October 2026
- DLR: Pre planning consultations last checked 27 October 2026
- DLR County Development Plan 2022 to 2028 last checked 27 October 2026
- DLR: Protected structures last checked 27 October 2026
- DLR: Submissions and observations last checked 27 October 2026
- Citizens Information: Planning permission last checked 27 October 2026
- Local Government Ireland Online Planning portal last checked 27 October 2026
- Planning and Development Regulations 2001 (S.I. No. 600 of 2001) last checked 27 October 2026