66 Knockcullen Drive, Knocklyon, Dublin, D16 K0H2
Approved in Sept 2026. No sign of building yet.
- 24 Jul 2026Received
- 9 Sept 2026Approved
- 9 Sept 2031Approval runs out
- Status
- Approved
- Decision
- Approved · 9 Sept 2026
- Council
- South Dublin County Council
- Type
- Permission
- Site
- 527 m²
What’s proposed
In plain English
Extensions and alterations to a house at 66 Knockcullen Drive
The applicant wants to build single and first-floor extensions and convert part of the garage into living space. They also propose widening the vehicle entrance and changing the front entrance.
- Demolishes parts of existing rear and side walls
- Removes existing garage roof and rear utility room
- Extends the roof over the new first-floor area
- Adds new front entrance, steps, planter, and landscaping
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
Demolition of portions of the existing rear and side external walls at ground floor level and the rear wall of the first floor; Demolition of the existing garage roof and the existing rear utility room, and the construction of (a) A single storey extension to the rear and side of the existing dwelling; (b) The partial conversion of the existing garage to habitable accommodation; (c) A first floor extension to the rear of dwelling, including the extension of the existing roof over the proposed first floor extension; (d) The widening of the existing vehicular entrance; and (e) Associated external works, including a new front entrance, entrance steps, planter, landscaping and all ancillary site development works
Planning details
- Reference
- SD26B/0344
- Local authority
- South Dublin County Council
- Status
- Granted · register status “Decision”
- Received
- 24 Jul 2026
- Observations close
- 28 Aug 2026 (closed 63 days ago)
- Decision due
- 17 Sept 2026 · decided 9 Sept 2026
- Decision
- Grant permission on 9 Sept 2026
- Site area
- 527 m² from the mapped boundary, not the council's figure
Live near 66 Knockcullen Drive?
Everything else planned on your street, in one report.
Check my streetNearby 16 · 500 m · 12 months
- Awaiting decision65, Knockaire, Knocklyon, Dublin 16, D16 FW95
- Granted75, Idrone Park, Knocklyon, Dublin 16, D16 E7T1
- Awaiting decision60, Elkwood, Ballyroan, Dublin 16, D16A373
- Granted54 Ballyroan Road, Templeogue, Dublin 16., D16T322
- Awaiting decision5/5A, Knocklyon Cottages, Knocklyon Road, Knocklyon, Dublin 16
- Awaiting decision45 Lansdowne Park, Knocklyon, Dublin 16, D16DT38
- Awaiting decision22 Coolamber Park, Knocklyon, Dublin 16, D16 A0P0
- Withdrawn60, Elkwood, Ballyroan, Dublin 16, D16A373
Show all 16
- Granted17 Ballyroan Park, Templeogue, Dublin 16, D16 E9T4
- Granted35, Templeroan Avenue, Knocklyon, Dublin 16, D16PW81
- Granted19, Templeroan Downs, Templeroan, Dublin 16, D16NX93
- Refused68, Dargle Wood, Dublin 16
- Granted30, Idrone Drive, Ballyroan, Dublin 16, D16 T9W7
- Granted40, Elkwood, Ballyroan Heights, Dublin 16, D16T8P2.
- Withdrawn40, Elkwood, Ballyroan Heights, Dublin 16, D16T8P2.
- Commenced20, Coolamber Park, Knocklyon, Dublin 16, D16E4W0
- CommencedCastlegrace, Ballyroan Park, Dublin 16, D16V2K7
- Granted40D, Dargle Wood, Knocklyon, Dublin 16, D16 DP86.
- Granted77 Dargle Wood, Knocklyon, Dublin 16, D16H773
- Granted67, Coolamber Park, Dublin 16, D15 K753
- Granted44, Knockcullen Lawn, Knocklyon, Dublin 16, D16 ND86
- Granted2, Coolamber Court, Knocklyon,, Dublin, D16CD89
- Granted65, Cremorne, Knocklyon, Dublin 16, D16 A8P3.
- GrantedRear of 5/5A Knocklyon Cottages, Knockylon Road, Knocklyon, Dublin 16
- Commenced60, Knocklyon Road, Templeogue, Dublin, D16 XE42
- Withdrawn60, Knocklyon Road, Templeogue, Dublin, D16 XE42
- Commenced22, Coolamber Park, Knocklyon, Dublin 16, D16 A0P0
- Granted38 Coolamber Park, Knocklyon, Dublin 16, D16 Y9F2
- Appeal decidedLands at Ballyroan House, Ballyroan Heights, Dublin 16, D16 E8C6
- Granted32, Idrone Drive, Knocklyon, Dublin 16, D16P9T3
- Granted96, Ballyroan Rd, Templeogue, Dublin 16, D16 V0F4
- Granted83, Templeroan Avenue, Dublin 16,
- Granted2, Elkwood, Rathfarnham, Dublin 16, D16E1C9
- Granted4, Hersil Green, Knocklyon, Dublin 16, D16 K8K8
- Granted32, Dargle Wood, Knocklyon, Dublin 16, D16 WP96
- Commenced17, Ballyroan Heights, Templeogue, Dublin 16, D16 T1H2
- Commenced59, Knocklyon Road, Dublin 16, D16 PC79
- Appeal decided17 Coolamber Park, Knocklyon, Dublin 16, D16 N7Y8
- Commenced62, Lansdowne Park, Knocklyon, D16RX61
- Awaiting decisionKnocklyon to Ballyboden Active and Sustainable Travel Scheme
- RefusedBallyroan House, Ballyroan Heights, Dublin 16, D16 E8C6
- CommencedSite of approx. 1 ha on lands at (Watson Place), Ballyroan House, Ballyroan Heights, Dublin 16, D16 E8C6.
- GrantedNo 1, Templeroan Downs, Dublin 16, D16AH59
- Granted66, Knockcullen Drive, Knocklyon, Dublin 16, D16 K0H2
- Refused7 Templeroan Downs, Ballyroan, Dublin 16, D16 DX28
- Refused7 Templeroan Downs, Ballyroan, Dublin 16, D16 DX28
- Commenced21, Ashton Close, Knocklyon, Dublin 16
- Refused5/5A, Knocklyon Cottages, Knocklyon Road, Knocklyon, Dublin 16
- Commenced64, Knockcullen Drive, Dublin 16, D16F7Y9
- Granted60 Knocklyon Road, Dublin 16.
- Granted20, Templeroan Court, Knocklyon, Dublin 16, D16 F6P6
- GrantedApplegreen Service Station, Knocklyon Road, Knocklyon, Dublin 16, D16N5X9
- Granted25a Knockaire, Dublin 16
- Granted33, Templeroan Avenue, Dublin 16
- GrantedSancta Maria College, Ballyroan, Rathfarnham, Dublin 16
- Granted7, Ashton Close, Dublin 16
- GrantedBallyroan House, Ballyroan Heights, Dublin 16
- Commenced30, Lansdowne Park, Dublin 16
- Commenced65, Cremorne, Knocklyon, Dublin 16, D16 A8P3.
- CommencedBallyroan House, Ballyroan Heights, Dublin 16 (The overall development currently under construction at this site is referred to as 'Watson's Place')
- Commenced65, Knockcullen Drive, Ballyroan, Dublin 16, D16 ET78
- Granted81, Idrone Drive, Knocklyon, Dublin 16, D16W0C6
- Commenced6, Knocklyon Cottages, Knocklyon Road, Rathfarnham, Dublin 14
- Commenced30 Idrone Drive, Knocklyon, Dublin 16.
- Commenced85 Lansdowne Park,, Knocklyon Road,, Templeogue,, Dublin 16.
- Granted23 Woodbrook Park,, Templeogue,, Dublin 16.
- Refused1C, Coolamber Park, Knocklyon, Dublin 16, D16E8F1
- Commenced3A, Knocklyon Cottages, Knocklyon Road, Dublin 16
- Commenced102, Coolamber Park, Knocklyon, Dublin 16
- CommencedBallyroan House, Ballyroan Heights, Dublin 16
- Withdrawn3A, Knocklyon Cottages, Knocklyon Road, Dublin 16
- Commenced89, Coolamber Park, Dublin 16
- Granted150, Coolamber Park, Dublin 16
- Refused6, Knocklyon Cottages, Knocklyon Road, Dublin 16
- Commenced48, Dargle Wood, Knocklyon, Dublin 16
- Granted29 Ballyroan Heights, Rathfarnham, Dublin 16
- Granted67, Coolamber Park, Knocklyon, Dublin 16
- Commenced60 Knocklyon Road, Dublin 16.
- Commenced78, Dargle Wood, Knocklyon Road, Dublin 16
- Commenced38, Coolamber Park, Dublin 16
- Granted22, Landsdowne Park, Knocklyon Dublin 16 D16TP30
- Commenced56, Ballyroan Road, Dublin 16 D16 R8W6
- Granted10, Knocklyon Drive, Ballyroan, Dublin 16.
- Granted58, Knockcullen Drive, Dublin 16
- Withdrawn22, Landsdowne Park, Knocklyon Dublin 16 D16TP30
- Commenced7, Idrone Close, Dublin 16
- Granted116, Ballyroan Road, Dublin 16, D16H6A2
- Withdrawn7, Idrone Close, Dublin 16
- Commenced17, Idrone Close, Dublin 16
- Commenced33, Ballyroan Heights, Dublin 16
- Withdrawn22, Lansdowne Park, Knocklyon, Dublin 16, D16TP30
- Granted22, Idrone Park, Knocklyon, Dublin 16, D16YD74
Homes nearby
- For sale22 Ashton Lawn, Knocklyon, Dublin 16, D16 FP97
- For sale48 Ashton Avenue, Knocklyon, Dublin 16, D16 EC67
- For sale15 Watson Place, Rathfarnham, Dublin 16, D16 A3F8
- For sale11 Knockaire, Knocklyon, Dublin 16, D16 EE97
- For sale73 Ballyroan Road, Templeogue, Dublin 16, D16 Y0E8
- For sale63 Idrone Drive, Knocklyon, Dublin 16, D16 Y8C6
Development land nearby
- Permitted, not started · 55 homes granted 02 Jun 2026, expires 02 Jun 2031 — Scholarstown House (1.0 km)
- Derelict site — 53 Marian Crescent, Rathfarnham, Dublin 16 (0.8 km)
- Public land off Knocklyon Cottages, Knocklyon Road, Dublin 16 (0.1 km)
- Residential land off Knocklyon Cottages, Knocklyon Road, Dublin 16 (0.1 km)
- Residential land off Shandon, 2 Knocklyon Road, Dublin 16 (0.1 km)
Zoning
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.
Where this comes from
National planning feed (NPAD), fetched 15 Sept 2026, 20:40.
Source: National Planning Application Database · fetched 15 Sept 2026, 20:40
| Source | Licence | Fetched | Link |
|---|---|---|---|
| National Planning Application Database | CC BY 4.0 | 15 Sept 2026, 20:40 | open |
Summary
SD26B/0344 is a planning application to South Dublin County Council for demolition of portions of the existing rear and side external walls at ground floor, received on 24 Jul 2026; permission was granted on 9 Sept 2026.