Dún Laoghaire-Rathdown County Council · D26B/0070/WEB
39 Highthorn Park, Mounttown, Co. Dublin, A96F5P7
Approved in May 2026. Building started in 2026.
- 6 Feb 2026Received
- 31 Mar 2026Approved
- 6 May 2026Final approval
- 26 Jun 2026Building started
- Status
- Building startedi
- Decision
- Approved · 31 Mar 2026
- Council
- Dún Laoghaire-Rathdown County Council
- Type
- Permission
- Site
- 374 m²
What’s proposed
Garage conversion to habitable use, including raising of the flat roof to the si…
Cut short by the council feed. Full text ↗
Planning details
- Reference
- D26B/0070/WEB
- Local authority
- Dún Laoghaire-Rathdown County Council
- Status
- Commenced · register status “Final Grant”
- Received
- 6 Feb 2026
- Observations close
- 13 Mar 2026 (closed 243 days ago)
- Decision due
- 2 Apr 2026 · decided 31 Mar 2026
- Decision
- Grant permission on 31 Mar 2026
- Site area
- 374 m² from the mapped boundary, not the council's figure
What could you build here?Opens pre-filled with “garage conversion with a raised ridge” — how the same work went for the houses around here.
Nearby 28 · 500 m · 12 months
Distance
Time
- OpenSite at Cualanor Crescent, Cualanor, Dun Laoghaire, Co. Dublin, Cualanor, Dun Laoghaire, Co. Dublin
- Granted10, Ardmore Park, Dun Laoghaire, DUBLIN, A96YW88
- Open10, Ardmore Park, Dun Laoghaire, Dublin, A96YW88
- Granted13, Castle Park, Monkstown, Blackrock, Dublin
- Awaiting decision'Lakeview', Marconi Crescent, Honeypark, Dún Laoghaire, Co. Dublin
- GrantedSooner Than Later Solutions Ltd., Unit 24 Kill Avenue, Dun Laoghaire, A96 T959
- Granted14 Tivoli Terrace South, Dún Laoghaire, Dublin, A96 Y008
- Awaiting decision14, Tivoli Terrace South, Dun Laoghaire, Dublin, A96Y008
Show all 28
- GrantedCentenary House, 35 York Road, Dun Laoghaire, Co. Dublin, A96D850 (A Protected Structure)
- AppealedLands to the Rear of Saint Helen's, York Road, Dun Laoghaire, Co. Dublin, A96Y838
- WithdrawnLands to the Rear of Saint Helen’s, York Road, Dún Laoghaire, Co. Dublin, A96 Y838
- GrantedLands located at and to the rear of Nos 2-3 Durham Place, RPS 1141 and 1143, Tivoli Road, Monkstown,Dun laoghaire, Co Dublin (A Protected Structure)
- WithdrawnLands located at, and to the rear of, No.'s 2-3 Durham Place (Protected Structures RPS Reg. Ref. 1141 and 1143 'Saint Joseph's'), Tivoli Road, Monkstown
- Awaiting decisionNational Mobility Hubs Pilot: Dún Laoghaire-Rathdown, 73 Locations Across the Council's Administrative Area, Dún Laoghaire-Rathdown
- Granted6, Royal Terrace West, Dun Laoghaire, Dublin, A96K378 (Protected Structure)
- Granted24, Castle Park, Monkstown, Dublin, A94PP80
- Granted24, Kill Avenue, Dun Laoghaire, Co Dublin, A96T959
- Granted12, Royal Terrace West, Dun Laoghaire, Co. Dublin (A Protected Structure)
- AppealedSaint Helen's, York Road, Dun Laoghaire, Dublin, A96Y838
- GrantedGrevisk, 5 Saint Joseph's Terrace, Tivoli Road, Dun Laoghaire, Dublin, A96F500
- Appeal decidedTivoli Lodge, Tivoli Road, Dun Laoghaire, Dublin, A96DR53
- GrantedSt Helen's, York Road , Dun Laoghaire, Co. Dublin, A96Y838
- Granted27 Royal Terrace West, Dun Laoghaire, Dublin, A96 N9C8 (A Protected Structure)
- Granted41, Glenageary Woods, Glenageary, Dublin, A96T2T3
- GrantedSaint Helen's, York Road, Dun Laoghaire, Dublin, A96Y838
- RefusedCentenary House, 35 York Road, Dun Laoghaire, Dublin, A96D850 (A Protected Structure)
- GrantedAvila, York Road, Dun Laoghaire, Dublin, A96TW10
- Granted1A, Fitzgerald Park, Dun Laoghaire, Co. Dublin
- GrantedEl Verano, Mounttown Road Upper, Monkstown, Co. Dublin, A96X6W6
- Commenced18, Highthorn Park, Mounttown, Glenageary, Co. Dublin, A96Y6V9
- Commenced1, Mounttown Park, Dun Laoghaire, Co. Dublin, A96V6Y1
- GrantedCentenary House, 35 York Road, Dun Laoghaire, Dublin, A96D850 (A Protected Structure)
- Granted79, Kill Avenue, Dun Laoghaire, Dublin, A96T670
- Commenced30, Saint Patrick's Crescent, Dun Laoghaire, Dublin, A96PV34
- GrantedAvila, York Road, Dun Laoghaire, Dublin, A96TW10
- RefusedAvila, York Road, Dun Laoghaire, Dublin, A96TW10
- WithdrawnAvila, York Road, Dun Laoghaire, Dublin, A96TW10
- Granted72, Saint Patrick's Crescent, Dun Laoghaire, Dublin, A96P268
- Granted8 Highthorn Park, Mounttown, Glenageary, Dublin, A96R9D9
- RefusedCloudesley, Mounttown Road Upper, Glenageary, Dublin, A96Y9Y8
- GrantedCloudesley, Mounttown Road Upper, Mounttown, Glenageary, Dublin, A96Y9Y8
- Awaiting decision12, Royal Terrace East, Dunlaoghaire, Co Dublin
- CommencedLands located at Saint Helens, York Road, Dún Laoghaire, Co. Dublin, A96Y838
- Granted56 Lower Mounttown Road, Mounttown, Glenageary, Dublin, A96 X4H7
- WithdrawnCloudesley, Mounttown Road Upper, Glenageary, Dublin, A96Y9Y8
- Withdrawn39, Glenageary Woods, Dun Laoghaire, Co. Dublin, A96X0Y2
- Granted39, Glenageary Woods, Glenageary, Dublin, A96X0Y2
- Granted1 Mounttown Park, Glenageary, Monkstown, Co. Dublin, A96V6Y1
- Appeal decided1 Mounttown Park, Mounttown, Glenageary, Dublin, A96V6Y1
- Withdrawn1, Mounttown Park, Glenageary, Monkstown, Co. Dublin, A96V6Y1
- GrantedA site of c. 0.18 hectares at Glandore House, Glandore Park, Dun Laoghaire, Co. Dublin, A96RF83 (Protected Structure)
- Granted1, Glandore Park, Mounttown, Co. Dublin, A96VF10
- Commenced10, Castle Park, Monkstown, Co Dublin, A94E437
- Withdrawn10 Castle Park, Monkstown, Blackrock, Dublin, A94E437
- Granted46, Highthorn Park, Mounttown, Glenageary, Dublin, A96H6T8
- Appeal decidedTivoli Lodge, Tivoli Road, Dun Laoghaire, Dublin, A96DR53
- Appeal decideda c.0.034 Ha site at York House, No. 30 York Road, Dun Laoghaire, Co Dublin
- Commenced41, Glenageary Woods, Glenageary, Co. Dublin, A96T2T3
- Commenced4 Saint John's Close, Lower Mounttown Road, Dun Laoghaire, Co. Dublin, A96E924
- WithdrawnSaint Helens, York Road, Dun Laoghaire, Dublin, A96Y838
- Granted12, Tivoli Terrace South, Dun Laoghaire, Dublin, A96KV65
- Commenced20, Glandore Park, Dun Laoghaire, Dublin, A96R582
- Commenced6 Castle Park, Monkstown, Blackrock, Dublin, A94W9K0
- Commenced6, Kill Avenue, Dun Laoghaire, Dublin, A96T622
- Granted7, Dargan Drive, HoneyPark, Dublin, A96XH59
- Commenced7, Saint John's Park, Monkstown, Co. Dublin, A96YN34
- Granted83, Kill Avenue, Dun Laoghaire, Dublin, A96EF68
- Granted79, Kill Avenue, Dun Laoghaire, Dublin, A96T670
- Withdrawn7, Dargan Drive, Honey Park, Dublin, A96XH59
- Granted12, Royal Terrace West, Dun Laoghaire, Dublin, A96P863
- Commenced47, Glenageary Woods, Glenageary, Dublin, A96V4X6
- Granted1, Woodlawn Park, Dun Laoghaire, Dublin, A96X3T8
- Withdrawn1, Woodlawn Park, Dun Laoghaire, Dublin, A96X3T8
- GrantedGrevisk, 5 Saint Joseph's Terrace, Tivoli Road, Dun Laoghaire, Dublin, A96F500
- Commenced89, Saint Patrick's Crescent, Dun Laoghaire, Dublin, A96H314
- Granted4, Woodlawn Park, Dun Laoghaire, Dublin, A96P3X2
- Granted123, Saint Patrick's Crescent, Dun Laoghaire, Dublin, A96XF68
- Granted79, Kill Avenue, Dun Laoghaire, Dublin, A96T670
- GrantedEglington House, Eglinton Park, Dun Laoghaire, Dublin, A96CD85
- Commenced5, Woodlawn Park, Dun Laoghaire, Dublin, A96E0H9
- Granted6, Dargan Drive, Honey Park, Dun Laoghaire, Dublin
- Granted4, Ardmore Park, Dun Laoghaire, Dublin, A96AC67
- Appeal decidedBarnardos, 14 Tivoli Terrace South, Dun Laoghaire, Dublin, A96Y008
- Commenced9, Saint John's Park, Dun Laoghaire, Dublin, A96EY86
- Appeal decidedKilcoran House, Knapton Road, Dun Laoghaire, Dublin, A96KF82
- Granted17, Woodlawn Park, Mounttown, Dun Laoghaire, Dublin, A96N2N2
- GrantedBase Pizza, Unit 9, Park Pointe, Glenageary Road Upper, Dublin, A96X03V
- Withdrawn12, Tivoli Terrace South, Dun Laoghaire, Dublin, A96KV65
- Granted3, Eglinton Park, Dun Laoghaire, Dublin, A96YF57
- Appeal decided10 Castle Park, Monkstown, Dublin, A94E437
- GrantedCBC Monkstown Park, Mounttown Road Upper, Dun Laoghaire, Dublin, A96TF64
- Commenced9, Dargan Drive, Honey Park, Dun Laoghaire, Dublin, A96EK23
- Granted2, Eglinton Park, Dun Laoghaire, Dublin, A96D797
- Granted28, Glenageary Road Upper, Glenageary, Dublin, A96Y7H9
- Commenced9, Highthorn Park, Dun Laoghaire, Dublin, A96W9V4
- Appeal decided2, Oliver Plunkett Square, Dun Laoghaire, Dublin, A96HE63
- Commenced34, Glenageary Woods, Glenageary, Dublin, A96R9P0
- Commenced68, Mounttown Road Lower, Dún Laoghaire, County Dublin
- Commenced29 Kill Avenue, Dun Laoghaire, Dublin, A96PR29
- GrantedKilcoran House, Knapton Road, Dun Laoghaire, Dublin, A96KF82
- Withdrawn34, Glenageary Woods, Dun Laoghaire, Glenageary, Dublin
- Appeal decided10, Castle Park, Monkstown, Co. Dublin, A94E437
- Granted72, Ardmore Park, Dun Laoghaire, Dublin, A96KA48
- Commenced112 Saint Patricks Crescent, Dun Laoghaire, Co Dublin, A96 EW83
- Granted42 Saint Patrick's Crescent, Monkstown Farm, Dun Laoghaire, Co Dublin
- Granted25, Royal Terrace West, Dun Laoghaire, Co. Dublin, A96 X025 (a Protected Structure)
- Granted11 Oliver Plunkett Square, Dun Laoghaire, Co Dublin
- CommencedSite to Side Garden of Kilcoran House, Knapton Road, Monkstown, Co Dublin, A96KF82
- Commenced1, Fitzgerald Park, Dun Laoghaire, Co. Dublin
- GrantedGlenageary Road Upper, Dún Laoghaire
- Granted1, Fitzgerald Park, Dun Laoghaire, Co. Dublin
- Withdrawn112 Saint Patricks Crescent, Dun Laoghaire, Co Dublin, A96 EW83
- CommencedKilcoran House, Knapton Road, Monkstown, Co Dublin, A96KF82
- GrantedKilcoran House, Knapton Road, Monkstown, Co Dublin, A96KF82
- CommencedSite of c. 0.18 hectares at Glandore House, Glandore Park, Dun Laoghaire, Co. Dublin, A96 RF83 (a Protecetd Structure)
- Appeal decided5 Kill Avenue, Dun Laoghaire, Co. Dublin, A96 K735
- Commenced37, Highthorn Park, Glenageary, Co. Dublin, A96E0X6
- Granted23 Castle Park, Monkstown, Co. Dublin A94 YD27
- Commenced19, Lower Mounttown Road, Dun Laoghaire, Co Dublin, A96T8W5
- Granted109 St. Patricks Crescent, Monkstown Farm, Dun Laoghaire, Co. Dublin, A96 VE26
- Granted82, St Patrick's Crescent, Monkstown, Dun Laoghaire, Co Dublin, A96YX99
- Granted9 Woodlawn Park, Mounttown, Dun Laoghaire, Co. Dublin
- Granted7, Kill Avenue, Dun Laoghaire, A96CY88
- Appeal decided0.073 Ha site at, Tivoli Lodge, Tivoli Road, Dun Laoghaire, Co Dublin, A96DR53
- Granted0.039 Ha (397 sqm) site at, York House, 30 York Road, Dun Laoghaire, Co Dublin
- Granted121 St. Patricks Crescent, Dun Laoghaire, Co. Dublin, A94 EK80
- Commenced25 Woodlawn Park, Dun Laoghaire, Co. Dublin, A96 N7TW
- Commenced2 Highthorn Park, Mounttown, Glenageary, Co Dublin
- Granted8 Woodlawn Park, Dun Laoghaire, Co. Dublin, (A96 N8F5)
- Commenced0.7523 ha. Rear of 2/3 Durham Place Protected Structures, St. Josephs, Tivoli Rd Monkstown Dún Laoghaire Co. Dublin, Convent & Chapel. St Joseph, National School & Lodge Park
Homes nearby
- For saleGlenmorgan, 50 Mounttown Road Lower, Dun Laoghaire, Co. Dublin, A96 Y3V6
- For sale11 Woodlawn Park, Dun Laoghaire, Co. Dublin, A96 V9T8
- For sale146 Oliver Plunkett Road, Dun Laoghaire, Monkstown, Co. Dublin, A96 D722
- For saleApartment 61, Eustace Court, Cualanor, Glenageary, Co. Dublin, A96 FWR6
- For sale52 Roseland Avenue, Cualanor, Dun Laoghaire, Co. Dublin, A96 P8P5
- For sale93 St Patrick's Crescent, Dun Laoghaire, Co. Dublin, A96 YR67
Development land nearby
- Permitted, not started · 49 homes granted 16 Jan 2024, expires 16 Jan 2029 — Aclare Nursing Home (0.5 km)
- Derelict site — Residential land off Highthorn Park, Dun Laoghaire (0.1 km)
- Derelict site — DERELICT, HARVEY NURSING HOME, GLENAGEARY ROAD UPPER, CO.DUBLIN (0.2 km)
- Residential land off Highthorn Park, Dun Laoghaire (0.0 km)
- Residential land off Meadowlands Avenue, Lower Mounttown Road (0.1 km)
Building started
- 26 Jun 2026 · Builder told the council work was starting (opted out of the finish sign-off) CN0144140DR
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.
R2.6 — 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.
Protections nearby 250 m
- Recorded monument · 2
Where this comes from
National planning feed (NPAD), fetched 11 Sept 2026, 15:18.
Source: National Planning Application Database · fetched 11 Sept 2026, 15:18
| Source | Licence | Fetched | Link |
|---|---|---|---|
| National Planning Application Database | CC BY 4.0 | 11 Sept 2026, 15:18 | open |
Summary
D26B/0070/WEB is a planning application to Dún Laoghaire-Rathdown County Council for garage conversion to habitable use, including raising of the flat roof to the si, received on 6 Feb 2026; permission was granted on 31 Mar 2026.