Observation pack · South Dublin County Council

Lands at Oldcastle Park, Clondalkin, Dublin 22

140 social and affordable units (38 no. 1 bed apartments, 18 no. 2 bed apartments, 8 no. 3 bed apartments, 34 no. 2-bed houses, 36 no. 3-bed houses , 6 no. 4-bed houses) 20 No. 3-bed single storey houses to accommodate existing traveller families living on the site. New vehicular entrance to site off Grange Castle Road / R136. All associated modifications and provision of boundary treatment to adjoining properties and roads. All associated upgrading of roadways, bike paths and paths, provision of all associated car and cycle parking spaces. All hard and soft landscape works, lighting, boundary structures and all associated ancillary buildings, infrastructure and all demolition site and development works on and within the vicinity of the site necessary to facilitate the proposed development.

Observations close 29 Oct 2026 21 days left

5 weeks from receipt (received 24 Sept 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · fee €20

The application

Reference: PT8SD463 · full record
Authority: South Dublin County Council
Type: Application Under Part 8
Status: Unregistered application
Applicant: not published by the national dataset — see the council register
Units: —
Floor area: —
Site area: 6.74 ha
Received: 24 Sept 2026
We first saw it: 7 Oct 2026, 01:19
Decision due: —
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

Read the file on the council register.Drawings, planning statement and site notices are at https://planning.agileapplications.ie/southdublin/application-details/71095.
Write your observation.Quote PT8SD463 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 29 Oct 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
G1 Open space with recreation	OS: To preserve and provide for open space and recreational amenities	SD-001:DP:south-dublin-county-development-plan-2022-2028	8 Mar 2022 → 8 Mar 2028
R2 Existing residential	RES: To protect and/or improve residential amenity	SD-001:DP:south-dublin-county-development-plan-2022-2028	8 Mar 2022 → 8 Mar 2028
R2 Existing residential	RES: To protect and/or improve residential amenity	SD-001:DP:south-dublin-county-development-plan-2022-2028	8 Mar 2022 → 8 Mar 2028
R2 Existing residential	RES: To protect and/or improve residential amenity	SD-001:DP: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.

Sources: SDCC SD-001:DP:south-dublin-county-development-plan-2022-2028, SDCC SD-001:DP:south-dublin-county-development-plan-2022-2028, SDCC SD-001:DP:south-dublin-county-development-plan-2022-2028, SDCC SD-001:DP:south-dublin-county-development-plan-2022-2028 · fetched 11 Sept 2026, 23:18

Source	Licence	Fetched	Link
SDCC SD-001:DP:south-dublin-county-development-plan-2022-2028	—	11 Sept 2026, 23:18	open
SDCC SD-001:DP:south-dublin-county-development-plan-2022-2028	—	11 Sept 2026, 23:18	open
SDCC SD-001:DP:south-dublin-county-development-plan-2022-2028	—	11 Sept 2026, 23:18	open
SDCC SD-001:DP:south-dublin-county-development-plan-2022-2028	—	11 Sept 2026, 23:18	open

Designations on or near the site

EPA-licensed facility × 1
Pfizer Ireland Pharmaceuticals
Radon risk area × 1
About 1 in 20 homes in this area is likely to have high radon levels
Recorded monument × 2
Castle - unclassified · R149474

Nearby precedents within 500 m, last 5 years

Decisions

Reference	Decision	Decided	Units	Distance	Description
SD26A/0163W	Request additional information	31 Aug 2026	—	220 m	Construction of a new two storey three bedroom house adjacent and attached to the front and side and rear of existing house with pitched roof over same height as existing house roof together with all associated site development works and including vehicular access, off-street parking, boundary treatments, and connection to all public services.
SD25B/0631W	Grant permission	16 Jun 2026	—	192 m	The development will consist of: 1. Demolition of existing front porch. 2. Demolition of existing timber shed connected to the rear existing house. 3. Construction of a single-storey flat roof front extension consisting of an entrance porch, a disability bedroom and a living area. 4. General remodel, upgrade and adaptations for disability access of the existing dwelling at ground floor level and general remodel and upgrade of the first-floor level to suit the new proposed layouts including new external insulation at the front, side and back of the house. 5. All drainage, structural and associated site works to be implemented.
SD26B/0028W	Grant permission	19 Mar 2026	—	46 m	Single storey extension to the side of existing dwelling with all associated site works.
SD25B/0450W	Grant permission	3 Feb 2026	—	350 m	Reconstruction of northern boundary wall to height of 2m, including plastering and wall cappings.
SD20A/0022/EP	Refuse ext. of duration of permission	20 Nov 2025	—	205 m	New vehicle entrance in south boundary to provide access to Old Nangor Road; new security gates; new internal road to access new entrance and all ancillary works.
ED25/0081	Declared exempt	29 Oct 2025	—	207 m	Solar panels, roof top installation
SD25B/0317W	Grant permission & grant retention	17 Sept 2025	—	0 m	The development consists of a 40sq.m single storey shed with flat roof in the rear garden of the existing dwelling. Retention permission for the widened vehicular driveway entrance. Permission to dish the public footpath, grass verge, kerb and alterations to front boundary wall and all associated site works.
SD25A/0149W	Grant permission	14 Aug 2025	—	265 m	The development consists of additions, alterations and modifications to the existing and permitted industrial facilities (permitted under Reg. Ref. SD23A/0123) at the Pfizer site in Grange Castle. They include; (a) The relocation of and modifications to the previously permitted photovoltaic solar panel substation, adjacent to the car park at the centre of the site and to the south-east of the DS2 building permitted under Reg. Ref. SD23A/0123. The proposed building is now approximately 41 square metres and approximately 6.3 metres high. (b) The construction of a waste compound office, within the waste compound to the south of the DS2 building, both previously permitted under Reg. Ref. SD23A/0123. The proposed building is approximately 14.4 square metres and approximately 2.85 metres high. (c) Modifications and alterations to the existing access and egress (Pfizer Gate No. 3) from the public road within the Grange Castle Business Park, including installation of new vehicular gate and associated fencing including associated minor alterations to existing adjacent berms and modifications and alterations to the existing public pathway and public cycle lane adjacent to the existing entrance (Pfizer Gate No. 3). (d) The works also include modifications to previously permitted underground utilities, site lighting, internal roads and footpaths and all associated siteworks.

Appeals

No appeals within 500 m in the last 5 years.

What has happened on this file

24 Sept 2026 New application · observations close 29 Oct 2026

Generated from the Planning Register store; nothing was fetched live for this page. Source: national planning dataset, fetched 7 Oct 2026, 01:19. Not legal advice — confirm the deadline with South Dublin County Council before relying on it.