Observation pack · South Dublin County Council

Rear of Muckross Avenue, Perrystown, Dublin 12

Variations to project with Register Reference SD22A/0455 & ABP-315996-23; Change of layout from 2 no. bedrooms with study to 4 no.bedrooms with study, an obscure glass bathroom window on the gable end of the first floor of each of the three houses, use of permeable paving on the lands with a total of seven rainwater harvesting tanks to recycle water into the houses. Alter inside layouts, timber cladding applied to the inside of concrete block perimeter walls instead of acrylic render, leave walls facing laneway exposed to match the surrounding area walls with no capping on top and leave new entrance gate where it currently is to suit safer use of the area and facilitate turning circles. Astro in the rear gardens instead of grass and retain existing concrete shed to the rear of house No.1.

Observations close 29 Sept 2026 14 days left

5 weeks from receipt (received 25 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · fee €20 · council decision due 19 Oct 2026

The application

Reference: SD26A/0208W · full record
Authority: South Dublin County Council
Type: Retention
Status: Referral
Applicant: not published by the national dataset — see the council register
Units: —
Floor area: —
Site area: 840 m²
Received: 25 Aug 2026
We first saw it: 15 Sept 2026, 20:40
Decision due: 19 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/70909.
Write your observation.Quote SD26A/0208W 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 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 × 1
About 1 in 20 homes in this area is likely to have high radon levels
OPW flood extent nearby floodinfo.ie
Shown as a flag only — the OPW licence does not allow us to redistribute the extent.

1 layer present but masked: flood_cfram — source licence forbids redistribution (CC-BY-NC-ND); shown as a boolean and a link only

Nearby precedents within 500 m, last 5 years

Decisions

Reference	Decision	Decided	Units	Distance	Description
SD26B/0342W	Grant permission	14 Sept 2026	—	261 m	Construction of new driveway to the front of the property; Works will include the dishing of the existing kerbs and pavement and partial removal of the front boundary wall.
SD26B/0353W	Grant permission	3 Sept 2026	—	314 m	Conversion of attic space, removing existing hip roof and extending the end gable wall, a new window in the new gable wall; 2 new roof lights to rear slope of roof and 2 new roof lights to front roof slope with some internal alterations and all associated site works.
SD26B/0284W	Grant permission	27 Jul 2026	—	366 m	Conversion of existing attic space comprising of modification of existing roof structure; New gable window; New access stairs; 2no. roof windows to the front and flat roof dormer to the rear.
SD26B/0232W	Grant permission	7 Jul 2026	—	442 m	New ground floor extension to side/rear of existing dwelling to allow family ancillary accommodation with internal modifications and associated site works .
SD26B/0227W	Grant permission	6 Jul 2026	—	441 m	Demolition of existing rear extensions and sunroom, and the construction of a new single-storey extension to the rear of the existing dwelling and garage, with a part-pitched roof over the side extension and converted garage, and a flat roof over the rear extension. The development also includes a pitched roof front extension comprising a new porch and the extension and conversion of the existing garage into living accommodation and shower room. Works further include a new attic conversion to provide additional bedroom space and a W.C, together with alterations to the existing hipped roof to form a new gable wall with a high-level window to the side elevation and new flat roof dormer to the rear elevation at roof level along with alterations to the existing first floor window in the gable wall. The development will also include internal alterations, landscaping, drainage, and all associated ancillary site works and drainage as required.
SD26A/0111W	Request additional information	3 Jul 2026	—	330 m	Partial demolition of extension to existing house and construction of detached 2 bedroom dwelling and all associated site works to the side of house.
SD26B/0311W	Invalidate application	26 Jun 2026	—	314 m	Conversion of attic space, removing existing hip roof and extending the end gable wall; a new window in the new Gable wall; 2 new roof lights to rear slope of roof and 2 new roof lights to front roof slope and all associated site works.
WEB2322/26	Application declared invalid	3 Jun 2026	—	314 m	The development will consist of the conversion of attic space, removing existing hip roof and extending the end gable wall, a new window in the new Gable wall , 2 new roof lights to rear slope of roof and 2 new roof lights to front roof slope and all associated site works

Appeals

ACP case	Type	Outcome	Decided	Distance
501014	Planning Appeal	Granted	20 Jul 2026	453 m
500567	Planning Appeal	Granted with conditions	5 May 2026	284 m
500645	Planning Appeal	Granted	21 Apr 2026	462 m
322019	Planning Appeal	Refused	25 Jun 2025	183 m
319916	Planning Appeal	Refused	19 Nov 2024	183 m
318771	Planning Appeal	Granted with conditions	25 Oct 2024	168 m
320779	Planning Appeal	Invalid	9 Sept 2024	189 m
314334	Referral	Other	13 Dec 2023	280 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

25 Aug 2026 New application · observations close 29 Sept 2026

Generated from the Planning Register store; nothing was fetched live for this page. Source: national planning dataset, fetched 15 Sept 2026, 20:40. Not legal advice — confirm the deadline with South Dublin County Council before relying on it.