14, Idrone Close, Knocklyon, Dublin 16

What’s proposed

First floor extension to side and ground floor extension to rear of existing dwelling

SD10B/0225 is a planning application to South Dublin County Council for first floor extension to side and ground floor extension to rear of existing dwelling, received on 4 Jun 2010; the council declared it invalid on 23 Jun 2010.

Planning details

Reference: SD10B/0225
Local authority: South Dublin County Council
Status: Withdrawn or invalid · register status “Decision”
Received: 4 Jun 2010
Observations close: 9 Jul 2010 (closed 5915 days ago)
Decision due: 29 Jul 2010 · decided 23 Jun 2010
Decision: Invalid - site notice on 23 Jun 2010
Proposed development: First floor extension to side and ground floor extension to rear of existing dwelling
As published by the register.
Site area: 411 m² from the mapped boundary, not the council's figure
Applicant: Not published — the national feed carries no applicant name council register

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Appeal

Not appealed.

Commencement

No commencement notice matched to this reference.

Provenance

Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 108170). Deadlines were computed by the store from the received / decided dates under the Planning and Development Act 2000 and are recorded as events, not recomputed here. Council register: https://planning.agileapplications.ie/southdublin/application-details/40999.

Source: npad · fetched 11 Sept 2026, 18:51

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npad	CC-BY-4.0	11 Sept 2026, 18:51	open

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Planning permission for an extension in Ireland — the 45 m² exemption and a 94% grant rateDublin councils granted 94% of extension applications decided in the year to September 2026. Since 27 July 2026 a rear extension of up to 45 m² can be exempt. The conditions, when you still apply, the fee and the timeline.
Planning application fees and costs in Ireland — €34 for an extension, €65 for a house, treble for retentionThe council fee is the smallest cost of a planning application. Schedule 9 fees for a house, an extension, retention and commercial floor space; the €20 observation, the €220 appeal, development contributions and what the drawings and notices cost.
Site notice planning rules — 22% of Dublin applications invalid, and the notice is the top cause2,539 of the 11,409 applications received by Dublin councils in the year to September 2026 were declared invalid; in South Dublin nearly half were for the site notice. What it must say, where it goes, when it turns yellow.
How long does planning permission take in Ireland? A 53-day median, and the tailThe median Dublin application took 53 days from receipt to decision in the year to September 2026; one in ten took over 161 days. The eight-week clock, what stops it, and what "final grant" means.

What’s proposed

Planning details

Around this site this application first, then everything within 500 m

Full planning report for 53.28527, -6.31562

Appeal

Commencement

Zoning at the site

Designations within 250 m

Provenance

14, Idrone Close, Knocklyon, Dublin 16

What’s proposed

Planning details

Around this site this application first, then everything within 500 m

Full planning report for 53.28527, -6.31562

Appeal

Commencement

Zoning at the site

Designations within 250 m

Provenance

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