One-off house · Co. Dublin
5a, Knocklyon Ave, Knocklyon, DUBLIN 16
Granted 1 Sep 2025 (final grant issued 14 Oct 2025)
Key facts
- Planning application SD25B/0433W at 5a, Knocklyon Ave, Knocklyon, Dublin 16: Alterations to previously approved planning application Reg Ref No…
- It was received by South Dublin County Council on 7 Jul 2025.
- Status: Granted 1 Sep 2025 (final grant issued 14 Oct 2025).
- Work started on site on 27 Mar 2026, according to the commencement notice. It does not say which contractors or suppliers are appointed.
Source: the South Dublin County Council planning register, checked 2 Jun 2026. Open the council's file
More planning applications in Dublin 16 · Planning applications in Co. Dublin
Since you last looked
Worked out in this browser from the record's own dates.
What and where
Alterations to previously approved planning application Reg Ref No…
alterations to previously approved planning application Reg Ref No. SD24A/0034. The proposed alterations affect House B (5A Knocklyon Ave) of the previous application to include a 1st floor extension to the side (circa 6 Sq/M) & a single storey extension to the rear (circa 3 Sq/M) & all associated works
- Location
- Dublin 16, Co. Dublin Map
- Council
- South Dublin County Council
- Planning reference
- SD25B/0433W
Numbers and dates
- Homes
- ~1estimated from the application
- Floor area
- 35 m²
- Project type
- One-off house
- Received
- 7 Jul 2025
- Decision to grant
- 1 Sep 2025
- Final grant
- 14 Oct 2025
- Site start
- 27 Mar 2026
Timeline
- Application received
- Decision to grant
- Final grant issued
- Site start
Site history
This site's history
-
Earlier permission SD24A/0034 for this site: granted 24 Oct 2024.
Retention permission for the sub-division of the existing dwelling into 2 separate dwellings & for permission for a single storey ground… Named in this application's description
Earlier records are the planning references this application names, records at the same address, and records within 50 m of the same map point. An address or a map point can cover more than one property, so check the council's file before relying on a match.
Outlook
What happens next
Documents and evidence
Check the record
- Council planning fileThe application file SD25B/0433W on planning.agileapplications.ie: drawings, reports and the decision.Open the council's file
How we know this
From the South Dublin County Council planning register, checked 2 Jun 2026. We link to the council's own file so you can check the official record before you act.
Site starts
Commencement notices for this permission
- 27 Mar 2026Work started · Side extension to the existing house. 31 Sq/M on the ground floor & 6 Sq/M on the first...
A commencement notice tells the council that building work is about to start. A completion certificate is filed when it is finished.
Explore the area