South Dublin County Council · SD25B/0504W
44 Knockcullen Lawn, Knocklyon, Dublin 16, D16 ND86
Approved in Nov 2025. Building started in 2026.
- 21 Aug 2025Received
- 15 Oct 2025Approved
- 25 Nov 2025Final approval
- 23 Nov 2026Building started
Planning details
- Status
- Building startedi
- Decision
- Approved · 15 Oct 2025
- Reference
- SD25B/0504W
- Received
- 21 Aug 2025
- Site
- 360 m²
What’s proposed
(i) demolition of existing rear extension and shed; (ii) construction of single storey flat roof extension to the rear of existing two storey dwelling with covered patio and flat roof rooflights; (iii) construction of new bay window at first floor level over new extension to the rear of existing dwelling; (iv) new windows; landscaping, SUDS drainage and all associated works necessary to facilitate the development
20 other applications within 500 m in the last year
Open the reportNearby 20 · 500 m · 12 months
Distance
Time
- Awaiting decision7 Ballyroan Heights, Rathfarnham, Dublin 16, D16 C3K5
- Granted75, Idrone Park, Knocklyon, Dublin 16, D16 E7T1
- Awaiting decision60, Elkwood, Ballyroan, Dublin 16, D16A373
- Granted5 Ballyroan Heights, Ballyroan, Dublin 16, D16 T3Y0
- 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
Show all 20
- Withdrawn60, Elkwood, Ballyroan, Dublin 16, D16A373
- Granted66, Knockcullen Drive, Knocklyon, Dublin, D16 K0H2
- 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
- Commenced54, Anne Devlin Road, Rathfarnham, Dublin 14, D14A3P0
- Granted40, Elkwood, Ballyroan Heights, Dublin 16, D16T8P2.
- Granted126, Ballyroan Road, Rathfarnham, Dublin 16, D16 A3T7
- Withdrawn40, Elkwood, Ballyroan Heights, Dublin 16, D16T8P2.
- Commenced3, Ballyroan Crescent, Dublin 16, D16 N2Y3
- Commenced20, Coolamber Park, Knocklyon, Dublin 16, D16E4W0
- CommencedCastlegrace, Ballyroan Park, Dublin 16, D16V2K7
- Granted77 Dargle Wood, Knocklyon, Dublin 16, D16H773
- Granted67, Coolamber Park, Dublin 16, D15 K753
- Granted2, Coolamber Court, Knocklyon,, Dublin, D16CD89
- Commenced5, Ballyroan Heights, Ballyroan, Dublin 16, D16 T3Y0
- 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
- 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
- Granted49, Ballyroan Road, Templeogue, Dublin 16, D16 T6Y2
- 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
- Granted15, Ballyroan Heights, Dublin 16
- Granted60 Knocklyon Road, Dublin 16.
- GrantedApplegreen Service Station, Knocklyon Road, Knocklyon, Dublin 16, D16N5X9
- Granted8 Ballyroan Heights, Dublin 16
- Granted7, Ballyroan Heights, Rathfarnham, 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
- 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
- Granted28, Templeroan Meadows, Templeogue, Dublin 16
- Commenced127, Ballyroan Road, Rathfarnham, Dublin 16
- Refused6, Knocklyon Cottages, Knocklyon Road, Dublin 16
- Granted29 Ballyroan Heights, Rathfarnham, Dublin 16
- Commenced60 Knocklyon Road, Dublin 16.
- Granted67, Coolamber Park, Knocklyon, 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
- Granted116, Ballyroan Road, Dublin 16, D16H6A2
- Commenced7, Idrone Close, Dublin 16
- Commenced4, Old Orchard, Ann Devlin Road, Dublin 14
- Withdrawn7, Idrone Close, Dublin 16
- Commenced17, Idrone Close, Dublin 16
- Commenced33, Ballyroan Heights, Dublin 16
- Withdrawn4, Old Orchard, Ann Devlin Road, Dublin 14
- Withdrawn22, Lansdowne Park, Knocklyon, Dublin 16, D16TP30
Homes nearby
- For sale70 Ashton Avenue, Knocklyon, Dublin 16, D16 W5F1
- For sale48 Ashton Avenue, Knocklyon, Dublin 16, D16 EC67
- For sale22 Ashton Lawn, Knocklyon, Dublin 16, D16 FP97
- For sale15 Watson Place, Rathfarnham, Dublin 16, D16 A3F8
- For sale29 Ballyroan Heights, Rathfarnham, Dublin 16, D16 Y3F8
- For sale73 Ballyroan Road, Templeogue, Dublin 16, D16 Y0E8
Development land nearby
- Derelict site — 53 Marian Crescent, Rathfarnham, Dublin 16 (0.7 km)
- Public land off Knocklyon Drive, Rathfarnham, Dublin 16 (0.2 km)
- Public land off Shandon, 2 Knocklyon Road, Dublin 16 (0.2 km)
- Residential land off Shandon, 2 Knocklyon Road, Dublin 16 (0.2 km)
- Public land off Knocklyon Cottages, Knocklyon Road, Dublin 16 (0.2 km)
Building started
- 23 Nov 2026 · Builder told the council small works were starting CN0150128SD
Zoning
R2 — Existing residential
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 11 Sept 2026, 18:51.
Source: National Planning Application Database · fetched 11 Sept 2026, 18:51
| Source | Licence | Fetched | Link |
|---|---|---|---|
| National Planning Application Database | CC BY 4.0 | 11 Sept 2026, 18:51 | open |
Summary
SD25B/0504W is a planning application to South Dublin County Council for (i) demolition of existing rear extension and shed; (ii) construction of single storey, received on 21 Aug 2025; permission was granted on 15 Oct 2025.