Dún Laoghaire-Rathdown County Council · D26A/0767/WEB
29 Sycamore Road, Mount Merrion, Co. Dublin, A94Y3C1
Open for comments until 16 Nov.
- 12 Oct 2026Received
- 16 Nov 2026Observations close
- 4 Dec 2026Decision due
- Status
- Open for comments · 23 days left to observe
- Decision
- Due 4 Dec 2026
- Council
- Dún Laoghaire-Rathdown County Council
- Type
- Permission
- Site
- 786 m²
What’s proposed
planning permission for a domestic extension and works to existing two-storey se…
Cut short by the council feed. Full text ↗
Planning details
- Reference
- D26A/0767/WEB
- Local authority
- Dún Laoghaire-Rathdown County Council
- Status
- Open for comments · register status “Validation”
- Received
- 12 Oct 2026
- Observations close
- 16 Nov 2026 (23 days left)
- Decision due
- 4 Dec 2026
- Decision
- Not decided
- Site area
- 786 m² from the mapped boundary, not the council's figure
Nearby 42 · 500 m · 12 months
Distance
Time
- Open11 Trees Avenue, Mount Merrion, Blackrock, Co. Dublin, A94 W2A8
- Awaiting decision79 Merrion Park, Blackrock, Co. Dublin, A94ED70
- Awaiting decision9, Roebuck Avenue, Mount Merrion, Co. Dublin, A94K3V6
- Withdrawn38, Woodlands Park, Blackrock, Co. Dublin, A94KN76
- GrantedApplegreen, Stillorgan Road, Blackrock, Dublin, A94AN81
- WithdrawnApplegreen, Stillorgan Road, Blackrock, Co. Dublin, A94AN81
- Granted8, Woodlands Drive, Stillorgan, Co. Dublin, A94N202
- Granted42, Sycamore Road, Mount Merrion, Blackrock, Co. Dublin, A94Y1T0
Show all 42
- Appealed57, Deerpark Road, Mount Merrion, Dublin, A94F761
- Granted57, Deerpark Road, Mount Merrion, DUBLIN, A94F761
- GrantedAuburn, Old Dublin Road, Stillorgan, Dublin, A94HE48
- Granted26 Woodlands Avenue, Stillorgan, Co. Dublin
- Refused63, Deerpark Road, Mount Merrion, Blackrock, Dublin
- WithdrawnAuburn, Old Dublin Road, Stillorgan, Dublin, A94HE48
- Commenced33, Priory Avenue, Stillorgan, Co. Dublin, A94PY59
- Awaiting decisionNational Mobility Hubs Pilot: Dún Laoghaire-Rathdown, 73 Locations Across the Council's Administrative Area, Dún Laoghaire-Rathdown
- Granted100, The Rise, Mount Merrion, Blackrock, Co. Dublin, A94N7Y3
- Withdrawn100, The Rise, Mount Merrion, Co Dublin, A94N7Y3
- Commenced93, South Avenue, Mount Merrion, Co. Dublin, A94F9X6
- Granted81, South Avenue, Mount Merrion, Blackrock, Co. Dublin, A94H1K0
- Granted38A Greenfield Road (to west side of 38 Balnagowan, Greenfield Road), Mount Merrion, Blackrock, A94W2R6
- Granted18, Greenfield Road, Mount Merrion, Dublin, A94A0W7
- Withdrawn18, Greenfield Road, Mount Merrion, Dublin, A94A0W7
- Granted7, Woodlands Park, Blackrock, Co. Dublin, A94V447
- Commenced46, South Avenue, Mount Merrion, Co. Dublin, A94W9D8
- Granted38, Stillorgan Road, Blackrock, Dublin, A94A2W2
- Commenced17, Priory Avenue, Stillorgan, Dublin, A94E206
- Granted49 Thornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94Y8X5
- Granted40 South Avenue, Mount Merrion, Blackrock, Co. Dublin, A94X5N0
- Granted57, South Avenue, Mount Merrion, Stillorgan, Co. Dublin, A94A7P1
- Commenced56, Trees Road Lower, Mount Merrion, Dublin, A94X9X5
- CommencedThe Gables, Sycamore Crescent, Mount Merrion, Dublin, A94Y8D2
- Granted3 Woodlands Park, Blackrock, Co. Dublin, A94FW73
- Granted13 Priory Drive, Stillorgan, Dublin, A94V122
- Granted16a, Woodlands Park, Stillorgan, Dublin, A94HF96
- Withdrawn16a, Woodlands Park, Stillorgan, Co. Dublin, A94HF96
- Granted69 Deerpark Road (first floor), Mount Merrion, Blackrock, County Dublin, A94E9D3
- GrantedThornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Co. Dublin, and Thornhill House (a Protected Structure) A94W7C5
- Refused57, Deerpark Road, Mount Merrion, Dublin, A94F761
- Refused38A Greenfield Road (to west side of 38 Balnagowan, Greenfield Road), Mount Merrion, Blackrock, Co. Dublin A94W2R6
- CommencedPalmyra, 39 Woodlands Park, Stillorgan, Co. Dublin, A94W279
- Granted57, Deerpark Road, Mount Merrion, Dublin, A94F761
- GrantedSite to the side of 38 Greenfield Road, Mount Merrion, Blackrock, Co. Dublin, A94W2R6
- Granted134 Mount Merrion Avenue, Blackrock, Co. Dublin, A94F2Y6
- Appeal decidedTalbot Hotel Stillorgan, Stillorgan Road, Blackrock, Co. Dublin, A94V6K5
- Commenced75 Deerpark Road, Mount Merrion, Co. Dublin, A94D984
- GrantedRear of 75, Deerpark Road, Mount Merrion, Blackrock, DUBLIN, A94D984
- Appeal decided35, Cedarmount Road, Stillorgan, Blackrock, Dublin, A94T8X2
- Withdrawn75 Deerpark Road, Mount Merrion, Co. Dublin, A94D984
- Granted20, Eastwood, Trees Avenue, Mount Merrion, Blackrock, DUBLIN, A94N5W9
- GrantedUnit 4, The Pinnacle, Deerpark Road, Mount Merrion, Blackrock, DUBLIN, A94V9X8
- GrantedUnit 3, The Pinnacle, Deerpark Road, Mount Merrion, Blackrock, DUBLIN, A94W2Y6
- GrantedUnit 1,The Pinnacle, Deerpark Road, Mount Merrion, Blackrock, Co. Dublin
- GrantedUnit 2,The Pinnacle, Deerpark Road, Mount Merrion, Blackrock, Co. Dublin
- Granted24, Woodlands Drive, Stillorgan, Dublin, A94DD82
- Granted47, Cedarmount Road, Mount Merrion, Dublin, A94H5P8
- Granted15, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94H6N6
- Commenced66, Dunaree, South Avenue, Mount Merrion, Co Dublin, A94 Y4C9
- Appeal decided48, The Rise, Mount Merrion, Blackrock, Dublin, A94A3Y6
- Granted31 South Avenue,, Mount Merrion,, Co. Dublin.
- Commenced66, The Rise, Mount Merrion, Blackrock, Dublin, A94X9F6
- GrantedThe Gables, 17A Woodlands Park, Stillorgan, Dublin, A94VX84
- WithdrawnThe Gables, 17A Woodlands Park, Blackrock, Co. Dublin, A94VX84
- Withdrawn17A, The Gables, Woodlands Park, Stillorgan, Dublin, A94VX84
- Commenced73, Deerpark Road, Mount Merrion, Co Dublin, A94C4E7
- Awaiting decisionShanlea, Old Dublin Road, Stillorgan, Dublin, A94 PX88
- WithdrawnThe Gables, 17A Woodlands Park, Stillorgan, Dublin, A94VX84
- Refused71, Deerpark Road, Mount Merrion, Dublin
- Commenced51, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94K8X7
- Commenced39 Greenfield Road, Mount Merrion, Blackrock, Co Dublin, A94 K7Y0
- Withdrawn39, Greenfield Road, Mount Merrion, Blackrock, Co Dublin, A94 K7Y0
- Commenced9, Trees Avenue, Mount Merrion, Stillorgan, Co Dublin, A94A3Y0
- Granted8, Greenfield Road, Mount Merrion, Blackrock, Dublin, A94D2E9
- Withdrawn8, Greenfield Road, Mount Merrion, Blackrock, Co. Dublin, A94D2E9
- WithdrawnNo. 9, Trees Avenue, Mount Merrion, Stillorgan, Co. Dublin, A94A3Y0
- Commenced29, Trees Road Lower, Mount Merrion, Blackrock, Dublin, A94P2C6
- Refused48, The Rise, Mount Merrion, Blackrock, Co. Dublin, A94A3Y6
- Commenced11, Cherrygarth, Mount Merrion, Blackrock, Co. Dublin, A94X2K0
- Appeal decided8, Sycamore Crescent, Mount Merrion, Blackrock, Co. Dublin, A94H9P0
- Appeal decided51, Woodlands Park, Stillorgan, Dublin, A94CF25
- Commenced9, Roebuck Avenue, Mount Merrion, Stillorgan, Co. Dublin, A94K3V6
- Commenced8, Greenfield Road, Mount Merrion, Blackrock, Co. Dublin, A94 D2E9
- Commenced30, Priory Drive, Stillorgan, Dublin, A94 CA32
- AppealedThornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94W7C5
- Commenced22, Woodlands Park, Stillorgan, Dublin, A94PF22
- Withdrawn22, Woodlands Park, Mount Merrion Avenue, Blackrock, Co. Dublin, A94PF22
- Withdrawn9, Roebuck Avenue, Mount Merrion, Blackrock, Dublin, A94K3V6
- Granted48, Thornhill Oaks, Mount Merrion, Co. Dublin, A94 K0E7
- Commenced25, Greygates, Stillorgan Road, Blackrock, Dublin, A94E2X0
- Granted65, Merrion Park, Blackrock, Dublin, A94X279
- Commenced51, Woodlands Park, Stillorgan, Dublin, A94CF25
- Commenced22, Trees Road Lower, Mount Merrion, Blackrock, Dublin, A94N7F4
- Commenced106, The Rise, Mount Merrion, Blackrock, Dublin, A94KN63
- Commenced86, Trees Road Lower, Mount Merrion, Blackrock, Dublin, A94V2A0
- Commenced9, Priory Drive, Stillorgan, Dublin, A94W218
- Withdrawn9, Priory Drive, Stillorgan, Dublin, A94W218
- GrantedThe Pinnacle, Deerpark Road, Mount Merrion, Co. Dublin
- Granted76, Trees Road Lower, Mount Merrion, Blackrock, Dublin, A94Y7A4
- CommencedNo 7 Chestnut Road, Mount Merrion, Co. Dublin
- CommencedSite at Thornhill Oaks, Mount Merrion, Blackrock, Co Dublin
- CommencedLands to the rear of 38 & 38A Greenfield road (formerly side and rear of A94W2R6) and 44A North Avenue A94V9W3, Mount Merrion, Blackrock, Co Dublin
- Commenced132, Melmore, Mount Merrion Avenue, Blackrock, Dublin, A94X9X4
- WithdrawnSite at 40 Thornhill Oaks, Mount Merrion, Blackrock, Co Dublin
- Commenced8, Woodlands Park, Blackrock, Dublin, A94Y426
- Appeal decided29, Trees Road, Mount Merrion, Blackrock, Dublin, A94P2C6
- Commenced9, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94Y9Y0
- Appeal decided8, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94A6P7
- Commenced50, North Avenue, Mount Merrion, Blackrock, Dublin, A94D9K3
- CommencedScoil San Treasa The Rise, Mount Merrion, Blackrock, Dublin, A94EK75
- Commenced23, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94E3P2
- Commenced50, Casa Maria, Woodlands Park, Stillorgan, Dublin, A94HF58
- Commenced39, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94R3N8
- Commenced5, Trees Road Lower, Mount Merrion, Blackrock, Dublin, A94XP97
- Granted6, Priory Drive, Stillorgan, Dublin, A94X205
- Commenced104, The Rise, Mount Merrion, Blackrock, Dublin, A94R8C9
- Refused6, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94C3H7
- Granted66, Glenabbey Road, Mount Merrion, Blackrock, Dublin, A94N8P4
- Commenced44, Glenabbey Road, Mount Merrion, Blackrock, Dublin, A94E6T3
- Refused50, North Avenue, Mount Merrion, Blackrock, Dublin, A94D9K3
- Commenced62, Glenabbey Road, Mount Merrion, Dublin, A94K0V2
- WithdrawnUnion Cafe & Kennedys Public House, bounded by Deerpark Road, North Avenue and Wilson Road, Mount Merrion, Blackrock, Co Dublin, A94Y6C2
- GrantedOatlands College, Mount Merrion, Blackrock, Co. Dublin
- CommencedBeaufield Mews, Woodlands Avenue, Stillorgan, Dublin, A94Y7Y8
- Refused43, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94PF10
- Granted6, Sycamore Road, Mount Merrion, Dublin, A94C3H7
- Granted10, Priory Drive, Stillorgan, Dublin, A94DW02
- WithdrawnSite at Thornhill Oaks, Mount Merrion, Blackrock, Co Dublin
- Withdrawn43, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94PF10
- CommencedCheriton, 44 Cherrygarth, Mount Merrion, Blackrock, Co Dublin, A94A6P6
- Granted8 Woodlands Park, Blackrock, Co. Dublin.
- Commenced67, South Avenue, Mount Merrion, Dublin, A94 E2Y9
- Granted46 Trees Road Lower, Stillorgan, Blackrock, Co Dublin, A94D2P3
- RefusedCircle K Service Station, Greygates, Stillorgan Road, Blackrock, Co. Dublin, A94 H3K4
- Commenced71 The Rise, Mount Merrion, Blackrock, Co Dublin
- Withdrawnon the grounds of Scoil San Treasa and Church of St Therese, Mount Merrion, Blackrock, Co. Dublin
- GrantedCircle K Service Station, Greygates, Stillorgan Road, Blackrock, Co. Dublin, A94 H3K4
- Granted106, The Rise, Mount Merrion, Dublin, A94KN63
- Commenced54, North Avenue, Mount Merrion, Co. Dublin
- Granted16, Sycamore Road, Mount Merrion, Blackrock, Co. Dublin, A94N6X7
- Granted13 Priory Grove, Stillorgan, Co Dublin, A94 V342
- GrantedScoil Mhuire, Oatlands Primary School, Woodlands Avenue, Stillorgan, Co. Dublin
- CommencedThe Rectory, 131 Mount Merrion Avenue, Blackrock, Co Dublin, A94 W2P6
- Commenced54, The Rise, Mount Merrion, Co. Dublin
- Appeal decided44C North Avenue, Mount Merrion, Co. Dublin
- Appeal decided44A and 44b North Avenue, Mount Merrion, Co Dublin, to the rear of 44a North Avenue, Mount Merrion, Co Dublin
- Withdrawn44C North Avenue, Mount Merrion, Co Dublin, to the rear of 44a and 44b North Avenue, Mount Merrion, Co Dublin
- CommencedThe Rectory, 131 Mount Merrion Avenue, Blackrock, Co. Dublin A94 W2P6
- GrantedThe Rectory, 131 Mount Merrion Avenue, Blackrock, Co. Dublin, A94 W2P6
- Commenced86, The Rise, Mount Merrion, Co Dublin
- Withdrawn44b, North Avenue, Mount Merrion, Co Dublin, to the rear of, 44a North Avenue, Mount Merrion, Co Dublin
- Commenced66 Glenabbey Road, Mount Merrion, Blackrock, Co. Dublin, A94 N8P4
- Granted77 South Avenue, Mount Merrion, Blackrock, County Dublin
- GrantedNorthwest Corner of Wilson Road and North Avenue, Mount Merrion, Co. Dublin
- Commenced64 Glenabbey Road, Mount Merrion, Blackrock, Co. Dublin, A94K2F3
- Commenced16 Sycamore Road, Mount Merrion, Blackrock, Co. Dublin, A96 N6X7
- Commenced32 Cherrygarth, Mount Merrion, Blackrock, Co. Dublin, A94 K6C2
- GrantedUnion Café and Kennedy's Public House, bounded by Deerpark Road, North Avenue and Wilson Road, Mount Merrion, Blackrock, Co. Dublin
- CommencedNo. 33 Cherrygarth, Mount Merrion, Co. Dublin
- CommencedSite of c.1.12ha at Oatlands Monastery, to the rear of Oatlands College, Mount Merrion, Blackrock, Co Dublin and at No. 2 Cherrygarth, Mount Merrion, Blackrock, Co Dublin
- Withdrawn32, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94k6c2
- Granted57 Trees Road Upper, Mount Merrion, Blackrock, County Dublin (A94 F8K7)
- GrantedBrandon, 31 Trees Road Lower, Mount Merrion, Blackrock, Co. Dublin, A94 X6Y7
- Commenced44, South Avenue, Mount Merrion, Dublin,
- CommencedUnion Café adn Kennedy's Public House, bounded by Deerpark Road, North Avenue and Wilson Road, Mount Merrion, Blackrock,Co. Dublin
- CommencedNo. 12 Cherrygarth, Mount Merrion, Co. Dublin
- Commenced86, The Rise, Mount Merrion, Co Dublin
- Commenced14 Trees Road Lower, Mount Merrion, Blackrock, Co. Dublin, A94 C1X2
- WithdrawnNorthwest corner of Wilson Road and North Avenue, Mount Merrion, Co Dublin
Homes nearby
- For sale20 Sycamore Road, Mount Merrion, Co. Dublin, A94 N7P3
- For saleApartment 33, Merrion Hall, Mount Merrion Avenue, Stillorgan, Co. Dublin, A94 DK88
- For sale27 Ashurst, Mount Merrion Avenue, Blackrock, Co. Dublin, A94 V046
- For sale48 Thornhill Oaks, Mount Merrion, Co. Dublin
- For saleBeaufield Mews Development, Beaufield Mews, Woodlands Avenue, Stillorgan, Co. Dublin
- For saleApartment 27, Booterstown Wood, Booterstown Avenue, Booterstown, Co. Dublin, A94 V593
Development land nearby
- Permitted, not started · 15 homes granted 14 Mar 2024, expires 14 Mar 2029 — Priory Drive (0.4 km)
- Permitted, not started · 68 homes granted 18 Mar 2025, expires 18 Mar 2030 — Fosters Avenue (0.9 km)
- Permitted, not started · 41 homes granted 13 Oct 2025, expires 13 Oct 2030 — The Orchard (1.0 km)
- Residential land off Sycamore Crescent, Mount Merrion (0.0 km)
- Residential land off Sycamore Crescent, Mount Merrion (0.1 km)
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
- Record of Protected Structures · 3
Where this comes from
National planning feed (NPAD), fetched 21 Oct 2026, 02:10.
Source: National Planning Application Database · fetched 21 Oct 2026, 02:10
| Source | Licence | Fetched | Link |
|---|---|---|---|
| National Planning Application Database | CC BY 4.0 | 21 Oct 2026, 02:10 | open |
Summary
D26A/0767/WEB is a planning application to Dún Laoghaire-Rathdown County Council for planning permission for a domestic extension and works to existing two-storey se, received on 12 Oct 2026; observations close on 16 Nov 2026 (23 days left).