18 Idrone Park, Knocklyon, Dublin 16, D16 PX88
Approved in Oct 2026. No sign of building yet.
- 22 Jun 2026Received
- 17 Aug 2026Approved
- 1 Oct 2026Final approval
- 30 Sept 2031Approval runs out
- Status
- Approved
- Decision
- Approved · 17 Aug 2026
- Council
- South Dublin County Council
- Type
- Permission
- Site
- 385 m²
What’s proposed
In plain English
Rear extension and attic conversion at 18 Idrone Park
The applicant wants to build a ground floor rear extension and convert the attic into living space. This includes adding new bedrooms and external insulation to the house.
- Adds a 32sq.m ground floor flat roof extension
- Attic conversion adds two bedrooms, office, shower room and en-suite
- Includes three new roof lights
- Adds external insulation with a brick finish to all facades
Written by AI from the council’s description
An AI model rewrote the council’s description below in everyday words on 9 Oct 2026. It was told to use only that text, and every number it wrote was checked against it. It says nothing about whether the application will be approved. The council’s wording and planning file are the record.
The council’s description
Construction of a 32sq.m ground floor flat roof extension to the rear, providing a new utility room, extended kitchen and dining room with no.1 new rooflight; Attic conversion to the rear extending the property to two storeys to include two additional bedrooms, office space, shower room and en-suite; Two roof lights to the north facing front elevation; External insulation with brick finish to the front, side and rear facades; Ancillary site works as required to facilitate construction works
Planning details
- Reference
- SD26B/0309W
- Local authority
- South Dublin County Council
- Status
- Granted · register status “Final Grant”
- Received
- 22 Jun 2026
- Observations close
- 27 Jul 2026 (closed 105 days ago)
- Decision due
- 17 Aug 2026 · decided 17 Aug 2026
- Decision
- Grant permission on 17 Aug 2026
- Site area
- 385 m² from the mapped boundary, not the council's figure
Nearby 18 · 500 m · 12 months
- Open23 Knocklyon Grove, Knocklyon, Dublin 16, D16 Y443
- Awaiting decision65, Knockaire, Knocklyon, Dublin 16, D16 FW95
- Granted75, Idrone Park, Knocklyon, Dublin 16, D16 E7T1
- Awaiting decision5/5A, Knocklyon Cottages, Knocklyon Road, Knocklyon, Dublin 16
- GrantedIona Pastoral Community Centre, Idrone Avenue, Dublin, D16 T299
- Awaiting decision22 Coolamber Park, Knocklyon, Dublin 16, D16 A0P0
- AppealedWit's End, The Rookery, Scholarstown Road, Dublin 16
- GrantedPairc Ui Mhurchu, Firhouse Road, Dublin 16, D16 A2F8
Show all 18
- Granted2 Mount Alton Court, Knocklyon, Dublin 16, D16 HW83
- GrantedVista Montana, Firhouse Road, Knocklyon, Dublin 16.
- Refused68, Dargle Wood, Dublin 16
- Granted9, Knocklyon Close, Knocklyon, Dublin, D16 TP94
- Granted27, Green Acre Court, Dublin 16, D16 YF53
- Granted30, Idrone Drive, Ballyroan, Dublin 16, D16 T9W7
- Commenced16 Idrone Park, Knocklyon, Dublin 16, D16PX29
- Appeal decided15, Knocklyon Park, Templeogue, Dublin 16, D16 N1W8
- Commenced2, Knocklyon Avenue, Knocklyon, Dublin 16, D16 H3K8
- Commenced20, Coolamber Park, Knocklyon, Dublin 16, D16E4W0
- Granted40D, Dargle Wood, Knocklyon, Dublin 16, D16 DP86.
- Granted77 Dargle Wood, Knocklyon, Dublin 16, D16H773
- Granted67, Coolamber Park, Dublin 16, D15 K753
- Granted19, Idrone Drive, Dublin 16, D16X6F8
- Appeal decided32, Knocklyon Heights, Knocklyon, Dublin 16, D16P2K0
- Granted27 Green Acre Court, Dublin 16, Co. Dublin, D16YF53
- Granted65, Cremorne, Knocklyon, Dublin 16, D16 A8P3.
- GrantedRear of 5/5A Knocklyon Cottages, Knockylon Road, Knocklyon, Dublin 16
- Commenced5a, Knocklyon Ave, Knocklyon, DUBLIN 16
- Granted13, Green Acre Court, Knocklyon, Dublin 16, D16 VK03
- Commenced22, Coolamber Park, Knocklyon, Dublin 16, D16 A0P0
- Granted38 Coolamber Park, Knocklyon, Dublin 16, D16 Y9F2
- Granted32, Idrone Drive, Knocklyon, Dublin 16, D16P9T3
- Granted32, Dargle Wood, Knocklyon, Dublin 16, D16 WP96
- Granted23, Delaford Lawn, Knocklyon, Dublin 16
- Granted9, Knocklyon Avenue, Templeogue, Dublin 16, D16X4CO
- Commenced15, Knocklyon Park, Templeogue, Dublin 16, D16 N1W8.
- Appeal decided17 Coolamber Park, Knocklyon, Dublin 16, D16 N7Y8
- Awaiting decisionKnocklyon to Ballyboden Active and Sustainable Travel Scheme
- GrantedKnocklyon Shopping Centre, Knocklyon Road, Dublin 16, D16 W2V0
- Refused5/5A, Knocklyon Cottages, Knocklyon Road, Knocklyon, Dublin 16
- GrantedPairc Uí Mhurchu, Firhouse Road, Dublin 16, D16 A2F8
- Commenced34, Dargle Wood, Dublin 16
- Commenced2, Greenacres Lodge, Dublin 16, D16 F642
- Granted25a Knockaire, Dublin 16
- Granted5, Knocklyon Avenue, Knocklyon, Dublin 16
- Commenced65, Cremorne, Knocklyon, Dublin 16, D16 A8P3.
- Commenced109, Darglewood, Knocklyon, Dublin 16
- Granted81, Idrone Drive, Knocklyon, Dublin 16, D16W0C6
- Commenced30 Idrone Drive, Knocklyon, Dublin 16.
- Granted54, Knocklyon Green, Knocklyon, Dublin 16
- Commenced6, Knocklyon Cottages, Knocklyon Road, Rathfarnham, Dublin 14
- Withdrawn16 Knocklyon Avenue, Knocklyon, Dublin 16.
- GrantedKnocklyon Shopping Centre, Knocklyon Road, Dublin 16.
- CommencedUnit 4, Pineview Business Park, Firhouse Road, Dublin 16, D16 YR22
- Withdrawn54 KNOCKLYON GREEN, DUBLIN 16
- Granted55, Westbourne Lodge, Dublin 16
- Commenced144, Dargle Wood, Dublin 16
- Granted1, Knocklyon Green, Knocklyon, Dublin 16
- GrantedVista Montana, Firhouse Road, Knocklyon, Dublin 16.
- Commenced3A, Knocklyon Cottages, Knocklyon Road, Dublin 16
- Commenced102, Coolamber Park, Knocklyon, Dublin 16
- Withdrawn3A, Knocklyon Cottages, Knocklyon Road, Dublin 16
- Commenced89, Coolamber Park, Dublin 16
- Granted150, Coolamber Park, Dublin 16
- Commenced23, Knocklyon Close, Dublin, 16.
- Refused6, Knocklyon Cottages, Knocklyon Road, Dublin 16
- Granted1, Knocklyon Green, Templeogue, Dublin 16
- WithdrawnKnocklyon Shopping Centre, Knocklyon Road, Dublin 16.
- Granted2, Beverly Avenue, Scholarstown Wood,, Dublin 16, D16KP52
- Awaiting decisionDodder Greenway, Firhouse Road/Butterfield Avenue
- Granted67, Coolamber Park, Knocklyon, Dublin 16
- Commenced78, Dargle Wood, Knocklyon Road, Dublin 16
- Commenced38, Coolamber Park, Dublin 16
- Commenced5, Delaford Lawn, Dublin 16
- Commenced56, Knocklyon Green, Dublin 16
- Granted3, Idrone Avenue, Dublin 16
- GrantedPineview Business Park, Firhouse Road, Knocklyon, Dublin 16
- Refused23, Knocklyon Close, Knocklyon, Dublin 16.
- Commenced9, Knocklyon Avenue, Templeogue, Dublin 16, D16X4C0
- Commenced1, Knocklyon Close, Knocklyon, Dublin 16 D16KR79
- Granted54 Knocklyon Green Knocklyon Dublin 16
- Commenced7, Idrone Close, Dublin 16
- Commenced3, Knocklyon Avenue, Dublin 16
- Withdrawn7, Idrone Close, Dublin 16
- Commenced17, Idrone Close, Dublin 16
Homes nearby
- For sale63 Idrone Drive, Knocklyon, Dublin 16, D16 Y8C6
- For sale11 Knockaire, Knocklyon, Dublin 16, D16 EE97
- For sale32 Delaford Drive, Knocklyon, Dublin 16, D16 C9Y2
- For sale10 Knocklyon Park, Templeogue, Dublin 16, D16 N5H9
- For saleNo. 10 Vista Montana, Firhouse Road, Templeogue, Dublin 16, D16 N1W9
- For sale5 Delaford Avenue, Knocklyon, Dublin 16, D16 Y3V2
Development land nearby
- Permitted, not started · 55 homes granted 02 Jun 2026, expires 02 Jun 2031 — Scholarstown House (0.7 km)
- Permitted, not started · 100 homes granted 10 Aug 2026, expires 09 Aug 2031 — 2 Firhouse Road and Former Morton's The Firhouse Inn (1.0 km)
- Residential land off Mount Alton Court, Knocklyon, Dublin 16 (0.2 km)
- Residential land off Mount Alton Court, Knocklyon, Dublin 16 (0.2 km)
- Residential land off Mount Alton Court, Knocklyon, Dublin 16 (0.2 km)
Zoning
Open space with active recreational amenities — pitches, courts, play areas.
An established residential area. The objective is to protect existing residential amenity as well as to provide housing — which is the objective a neighbour's objection to an overbearing extension is usually argued under.
Protections nearby 250 m
- NIAH-recorded building · 1
Where this comes from
National planning feed (NPAD), fetched 7 Oct 2026, 01:19.
Source: National Planning Application Database · fetched 7 Oct 2026, 01:19
| Source | Licence | Fetched | Link |
|---|---|---|---|
| National Planning Application Database | CC BY 4.0 | 7 Oct 2026, 01:19 | open |
Summary
SD26B/0309W is a planning application to South Dublin County Council for construction of a 32sq.m ground floor flat roof extension to the rear, providing a new, received on 22 Jun 2026; permission was granted on 17 Aug 2026.