Observation pack · South Dublin County Council

45 grange Manor Rd, Rathfarnham, Dublin 16, D16 FH30

Widen existing brick dormer to the left located on the front elevation at first floor level to include an additional window also internal modifications.

Observations close 23 Sept 2026 11 days left

5 weeks from receipt (received 19 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · fee €20 · council decision due 13 Oct 2026

The application

Reference: SD26B/0376W · full record
Authority: South Dublin County Council
Type: Permission
Status: Valid
Applicant: not published by the national dataset — see the council register
Units: —
Floor area: —
Site area: 218 m²
Received: 19 Aug 2026
We first saw it: 11 Sept 2026, 18:51
Decision due: 13 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

Read the file on the council register.Drawings, planning statement and site notices are at https://planning.agileapplications.ie/southdublin/application-details/70863.
Write your observation.Quote SD26B/0376W 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 23 Sept 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	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.

Source: 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

Designations on or near the site

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	Units	Distance	Description
D26B/0287/WEB	Grant permission	6 Jul 2026	—	414 m	The development will consist of: 1) demolition of the existing single-storey ex
SD26B/0193W	Grant permission	16 Jun 2026	—	361 m	Two - storey extension to side and rear, with attic store upgrade. Dutch hipped roof on side and obscured glazing in rear attic gable window.
SD26B/0194W	Grant permission	15 Jun 2026	—	78 m	Construction of new dormer roof & windows to rear. Increase in existing dormer to front, single storey extension to rear internal alterations and all associate site works.
D26B/0279/WEB	Declare application invalid	12 May 2026	—	414 m	The development will consist of: 1) demolition of the existing single-storey ex
D26A/0153/WEB	Grant permission	21 Apr 2026	—	466 m	1.The creation of a new 3.5m vehicular entrance, along with a 1m pedestrian gate
SD26B/0153W	Invalid - site notice	17 Apr 2026	—	361 m	Two storey extension to side and rear. Attic store upgrade, dutch hipped roof on side and obscured glazing in rear attic gable window.
SD26B/0024W	Grant permission	12 Mar 2026	—	287 m	New raised roof structure to provide habitable accommodation at second floor level. Connection to all public services. All necessary ancillary works to facilitate this development.
SD20A/0340/EP	Grant extension of duration of permission	2 Mar 2026	1	366 m	Demolition of existing garage at side and subdivision of the site; construction of a two storey, detached dwelling house with three bedrooms and attic room (incorporating rear dormer window) to the south of the existing two storey semi-detached dwelling to include alterations to existing boundaries on Aranleigh Vale and Barton Road West for creation of 2 new vehicular entrances; proposals include for all associated site works including hard landscaping and site development works.

Appeals

ACP case	Type	Outcome	Decided	Distance
321338	Planning Appeal	Refused	27 Mar 2025	229 m
321400	Planning Appeal	Granted with conditions	7 Mar 2025	497 m
317363	Planning Appeal	Granted with conditions	15 Mar 2024	287 m
313794	Planning Appeal	Granted with conditions	27 Jun 2023	95 m
313544	Planning Appeal	Invalid	11 May 2022	308 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

19 Aug 2026 New application · observations close 23 Sept 2026

Generated from the Planning Register store; nothing was fetched live for this page. Source: national planning dataset, fetched 11 Sept 2026, 18:51. Not legal advice — confirm the deadline with South Dublin County Council before relying on it.