Observation pack · South Dublin County Council

9 Haydens Park Way, Lucan, Co. Dublin, K78X5Y6

Hip build up into dutch hip at attic level with window in gable wall at attic level. Dormer roof window on rear slope of roof. Dormer roof window & 2No. roof lights on front slope of roof all at attic level. Attic conversion with w.c.. First floor internal alterations

Observations close 16 Nov 2026 2 days left

5 weeks from receipt (received 12 Oct 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · fee €20 · council decision due 7 Dec 2026

The application

Reference: SD26B/0461W · full record
Authority: South Dublin County Council
Type: Permission
Status: Valid
Floor area: 16 m²
Site area: 230 m²
Received: 12 Oct 2026
Decision due: 7 Dec 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/southdublin/application-details/71187.
Write your observation.Quote SD26B/0461W 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. South Dublin County Council takes it online with the submission or at the counter.
Submit before 16 Nov 2026.Online through the register above, or in writing to the Planning Department, South Dublin 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	RES: To protect and/or improve residential amenity	south dublin county development plan 2022 2028	8 Mar 2022 → 8 Mar 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: South Dublin County Council development plan zoning · fetched 11 Sept 2026, 23:18

Source	Licence	Fetched	Link
South Dublin County Council development plan zoning	—	11 Sept 2026, 23:18	open

Designations on or near the site within 100 m

Radon risk area × 2
About 1 in 10 homes in this area is likely to have high radon levels · About 1 in 20 homes in this area is likely to have high radon levels

Nearby precedents within 500 m, last 5 years

Decisions

Reference	Decision	Decided	Distance	Description
ED26/0068	Declared not exempt	17 Aug 2026	159 m	Shed / Outhouse in rear garden - 25 sq.m in area.
SD26B/0297W	Grant permission & grant retention	7 Aug 2026	235 m	Attic conversion with hip to gable roof to rear and dormer to side to accommodate stairs to allow access to attic conversion as non-habitable storage space with roof windows to both sides. Retention for extended vehicle access all with associated ancillary works.
SD26B/0263W	Grant permission	10 Jul 2026	489 m	Conversion of existing attic space comprising of modification of existing roof structure; raising of existing gable c/w window, new access stairs; 2no. roof windows to the front and flat roof dormer to the rear.
ED26/0055	Declared not exempt	3 Jul 2026	160 m	Shed / Outhouse in rear garden - 25 Sq.m. in area.
SD26A/0109W	Grant permission for retention	25 Jun 2026	316 m	The relocation and amalgamation of previously permitted bike stores (Reg. Ref. [SD21A/0359]) to a revised location north of Block 2, together with all associated site works.
SD26B/0224W	Invalid - site notice	26 May 2026	235 m	Attic conversion with hip to gable roof to rear and dormer to side to accommodate stairs to allow access to attic conversion as non-habitable storage space with roof windows to both sides. Retention for extended vehicle access all with associated ancillary works.
SD26B/0143W	Grant permission	18 May 2026	436 m	Construction of single storey extension to the side of existing dwelling comprising of family room, bedroom with en-suite and all associated site works. Pedestrian access from Griffen Dene.
SD25A/0187	Grant permission	18 May 2026	488 m	For the continued use for a period of 3 years of the existing 30 metre high, free-standing lattice communications structure carrying associated communications equipment to be shared with third party operators, all within at 2.4m high palisade compound following parent permission SD23A/0033. The proposed development is located within the Clonburris Strategic development zone

Appeals

ACP case	Type	Outcome	Decided	Distance
323650	Amend Planning Schema/Add Planning Schema	pending	15 Sept 2025	253 m
322164	Planning Appeal	Granted with conditions	25 Jul 2025	398 m
316119	Railway Order Application	Other	13 Nov 2024	226 m
320895	Planning Appeal	Invalid	25 Sept 2024	397 m
314272	Planning Appeal	Granted with conditions	7 Mar 2024	316 m
312478	Planning Appeal	Granted with conditions	3 May 2022	356 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

12 Oct 2026 New application · observations close 16 Nov 2026

Generated from the Planning Register store; nothing was fetched live for this page. Source: national planning dataset, fetched 28 Oct 2026, 01:34. Not legal advice — confirm the deadline with South Dublin County Council before relying on it.