Observation pack · Dún Laoghaire-Rathdown County Council

5 Mountain View Rd, Kiliney, Dublin, A96X9D9

Construction of a single-storey flat-roof rear extension

Observations close 14 Dec 2026 30 days left

5 weeks from receipt (received 9 Nov 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · fee €20

The application

Reference: D26B/0574/WEB · full record
Authority: Dún Laoghaire-Rathdown County Council
Type: Permission
Status: Registered Application
Site area: 189 m²
Received: 9 Nov 2026

How to submit an observation

Read the file on the council register.Drawings, planning statement and site notices are at https://planning.agileapplications.ie/dunlaoghaire/application-details/107395.
Write your observation.Quote D26B/0574/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.
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.
Submit before 14 Dec 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.
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

Code	Objective	Plan	In force
R2 Existing residential	Objective A: A To provide residential development and improve residential amenity while protecting the existing residential amenities	county development plan 2022 2028	1 Apr 2022 → 1 Apr 2028
R2 Existing residential	Objective A: A To provide residential development and improve residential amenity while protecting the existing residential amenities	d n laoghaire rathdown county development plan 2022 2028 variation no 1	21 Apr 2022 → 20 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: Dún Laoghaire-Rathdown County Council development plan zoning · fetched 11 Oct 2026, 23:12

Source	Licence	Fetched	Link
Dún Laoghaire-Rathdown County Council development plan zoning	—	11 Oct 2026, 23:12	open

Designations on or near the site within 100 m

Architectural Conservation Area × 1
Killiney
Radon risk area × 2
About 1 in 5 homes in this area is likely to have high radon levels · About 1 in 5 homes in this area is likely to have high radon levels
Record of Protected Structures × 7
Saint Alphonsus & Saint Columba's Church · House Terrace · House Terrace

Nearby precedents within 500 m, last 5 years

Decisions

Reference	Decision	Decided	Distance	Description
D26A/0525/WEB	Grant permission	2 Sept 2026	439 m	The adaptation of the existing dwelling house to provide for the adaptation and
D26A/0456/WEB	Grant permission	11 Aug 2026	104 m	(i) The demolition of a storage shed (60.3sqm); (ii) The construction of 1 no. t
D26A/0452/WEB	Grant permission	6 Aug 2026	258 m	Alterations to development previously permitted under Planning Register Referenc
D26A/0429/WEB	Grant permission	31 Jul 2026	191 m	(1)The renovation and change of use of the existing fire damaged building into 5
D26A/0360/WEB	Refuse permission	3 Jul 2026	103 m	(i) construction of a three-storey over basement level residential apartment bl
D26B/0275/WEB	Grant permission	29 Jun 2026	16 m	Permission is sought for the following: (a). Demolition and removal of the exist
V/045/26	Grant certificate of exemption	24 Jun 2026	104 m	1 Unit
D26B/0205/WEB	Grant permission	27 May 2026	335 m	Two story extension to the side and rear, comprising 30.8 sq m ground floor exte

Appeals

ACP case	Type	Outcome	Decided	Distance
502173	Planning Appeal	pending	28 Sept 2026	439 m
501808	Planning Appeal	pending	30 Jul 2026	103 m
322810	Referral	Other	27 Nov 2025	24 m
322497	Planning Appeal	Refused	3 Sept 2025	103 m
318457	Planning Appeal	Granted with conditions	14 Aug 2024	0 m
317355	Planning Appeal	Granted with conditions	11 Apr 2024	493 m
314436	Planning Appeal	Refused	11 Apr 2024	122 m
312789	Planning Appeal	Refused	31 Jul 2023	192 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

9 Nov 2026 New application · observations close 14 Dec 2026

Generated from the Planning Register store; nothing was fetched live for this page. Source: national planning dataset, fetched 10 Nov 2026, 23:33. Not legal advice — confirm the deadline with Dún Laoghaire-Rathdown County Council before relying on it.