Planning Register
Observation pack · Dún Laoghaire-Rathdown County Council

6, Larchfield, Dundrum, Dublin 14, D14PR90

The development will consist of a part single-storey, part two-storey extension

Observations close 21 Sept 2026 9 days left
5 weeks from receipt (received 17 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · fee 20 · council decision due 9 Oct 2026

The application

Reference
D26B/0455/WEB · full record
Authority
Dún Laoghaire-Rathdown County Council
Type
Permission
Status
Assessment Period
Applicant
not published by the national dataset — see the council register
Units
Floor area
Site area
366 m²
Received
17 Aug 2026
We first saw it
11 Sept 2026, 15:18
Decision due
9 Oct 2026
Decision
not yet decided

The national dataset truncates descriptions (80 characters for DLR, 70 for Fingal) and omits the applicant. The full description and the drawings are on the council register linked in step 1.

How to submit an observation

  1. Read the file on the council register.Drawings, planning statement and site notices are at https://planning.agileapplications.ie/dunlaoghaire/application-details/?ref=D26B/0455/WEB.
  2. Write your observation.Quote D26B/0455/WEB at the top, give your name and the address the authority should reply to, and confine it to planning matters — zoning objective, height, overlooking, traffic, drainage, heritage. What you say here is what you can later appeal on.
  3. Pay the €20 fee.Every submission needs it; without it the observation is invalid and is returned. Dún Laoghaire-Rathdown County Council takes it online with the submission or at the counter.
  4. Submit before 21 Sept 2026.Online through the register above, or in writing to the Planning Department, Dún Laoghaire-Rathdown County Council. The test is the date the authority receives it, not the date you post it.
  5. Keep the acknowledgement.The council's receipt is your proof of a valid observation — see below.

Statutory basis. Section 34(1) of the Planning and Development Act 2000 (as amended) requires a planning authority to consider any submission or observation made to it in accordance with the Regulations. Article 29 of the Planning and Development Regulations 2001 (as amended) sets the window: a submission or observation must be received by the authority within five weeks beginning on the date of receipt of the application, and must be accompanied by the prescribed fee of €20. A submission received after the window, or without the fee, is invalid and the authority must return it.

After you submit: keep the acknowledgement. Under the 2024 Act it secures your right to appeal — only the applicant and a person who made a valid observation may bring the council's decision to An Coimisiún Pleanála, within four weeks of the decision. Making a valid observation is also what buys a right of appeal: under s.37(1) of the 2000 Act, only the applicant and a person who made a valid submission or observation to the planning authority may appeal the decision to An Coimisiún Pleanála (within four weeks of the decision). Missing the five-week window closes both doors.

What the site is zoned

CodeObjectivePlanIn force
R2
Existing residential
Objective A: A To provide residential development and improve residential amenity while protecting the existing residential amenitiesDR-001:DP:county-development-plan-2022-20281 Apr 20221 Apr 2028

An application that accords with the zoning objective is hard to resist on principle; one that does not may be a material contravention, which the council can only grant by the s.34(6) procedure with its own notice and window.

Source: DLR DR-001:DP:county-development-plan-2022-2028 · fetched 11 Sept 2026, 15:17
SourceLicenceFetchedLink
DLR DR-001:DP:county-development-plan-2022-202811 Sept 2026, 15:17open

Designations on or near the site

  • Radon risk area × 1
    About 1 in 20 homes in this area is likely to have high radon levels

Nearby precedents within 500 m, last 5 years

Decisions

ReferenceDecisionDecidedUnitsDistanceDescription
D26A/0510/WEBGrant permission25 Aug 2026306 mThe development will consist of: 1) Conversion of existing hip roof to gable, 2
REF7426S5 dec exempt5 Aug 2026226 mConversion of a vacant office to a one bedroom apartment (residential) with a lo
D26A/0428/WEBGrant permission29 Jul 20263 mProposed Construction Of 3 No. Dwelling Houses Consisting Of 2 No. Three Bedroo
REF9826S5 dec not exempt20 Jul 2026489 mThere are no works proposed or material changes to the school. The proposed deve
D26B/0397/WEBDeclare application invalid15 Jul 2026431 mPermission for: Demolition of chimneys, 4no. dormers and garage. Construction of
D26A/0384/WEBGrant permission14 Jul 2026430 mAmendments to Planning Permission Reg. Ref. D26A/0031/WEB. The proposed amendmen
D26A/0383/WEBGrant permission14 Jul 2026387 mThe construction of a 3-bedroom detached house, with new site entrance to exist
REF9226S5 dec exempt9 Jul 202666 mAn Exempted Development application was granted for my house in 2002 and it was

Appeals

ACP caseTypeOutcomeDecidedDistance
501993Planning Appealopen26 Aug 20263 m
501841Planning Appealpending7 Aug 2026387 m
324032Appeal - LRDGranted with conditions6 May 2026145 m
500411Planning AppealRefused6 Mar 2026242 m
320912Local Authority EIA HousingGranted with conditions22 Dec 2025187 m
322135Planning AppealGranted with conditions25 Jul 2025126 m
316470Planning AppealRefused4 Jun 202591 m
313220Strategic Housing Development - ApplicationRefused20 Dec 2024428 m

If neighbours here have appealed before and lost, the inspector's report on that case is the single most useful thing to read.

What has happened on this file

  • 17 Aug 2026 New application · observations close 21 Sept 2026

Generated from the Planning Register store; nothing was fetched live for this page. Source: national planning dataset, fetched 11 Sept 2026, 15:18. Not legal advice — confirm the deadline with Dún Laoghaire-Rathdown County Council before relying on it.