11 Merlyn Road, Ballsbridge, Dublin 4, D04 T6D0
Approved in Jun 2026. Building started.
- 14 Apr 2026Received
- 8 Jun 2026Split decision(permission & refusal)
- 14 Jul 2026Final approval
- 27 Jul 2026Building started
- Status
- Building started
- Decision
- Split decision(permission & refusal) · 8 Jun 2026
- Council
- Dublin City Council
- Type
- Permission
- Site
- 614 m²
What’s proposed
In plain English
Demolition of rear extension and construction of a new single-storey extension
The applicant wants to replace an existing rear extension with a new, slightly larger flat-roofed version. They also plan to widen the front vehicle entrance.
- Demolishes an existing 56m2 rear extension
- Constructs a new 59m2 single-storey flat-roofed extension
- Widens the vehicular entrance gateway from 3.6m to 4.45m
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
The development will consist of the demolition of the existing 56m2 single storey extension to the rear of 11 Merlyn Road, Ballsbridge, Dublin 4 and the construction of a new single storey, flat roofed extension, of 59m2 with associated ground works and landscaping, including widening of the vehicular entrance gateway from 3.6m to 4.45m
Planning details
- Reference
- WEB1851/26
- Local authority
- Dublin City Council
- Status
- Commenced · register status “Decision Notice Issued”
- Received
- 14 Apr 2026
- Observations close
- 19 May 2026 (closed 175 days ago)
- Decision due
- 8 Jun 2026 · decided 8 Jun 2026
- Decision
- Split decision(permission & refusal) on 8 Jun 2026
- Site area
- 614 m² from the mapped boundary, not the council's figure
Nearby 24 · 500 m · 12 months
- Open3 Sydney Parade Avenue, Dublin 4, D04 X2V6
- Awaiting decision45, Park Avenue, Dublin 4
- Withdrawn45 Park Avenue, Dublin 4, D04 F2A3
- Appealed30 Park Court, Dubln 4, D04XK76
- Granted16, Merlyn Road, Dublin 4
- Withdrawn6, Merrion View Avenue, Dublin 4, D04C9T1
- Granted4, Martello Mews, Sydney Parade Avenue, Sandymount, Dublin 4
- Granted72, Wilfield Road, Sandymount, Dublin 4
Show all 24
- GrantedWanderer's F. C. Rugby Club . 65A Merrion Road, Dublin 4, D04 F8F8
- Granted37, Ailesbury Road, Dublin 4
- Granted17, Ailesbury Road, Dublin 4
- Granted128, Merrion Road, Dublin 4
- Withdrawn128, Merrion Road, Ballsbridge, Dublin 4, D04 V5W0
- Withdrawn17, Ailesbury Road, Dublin 4
- Granted60, Willow Field, Sandymount, Dublin 4
- Granted4 Ailesbury Gardens, Dublin 4, D04 P5C2
- Withdrawn4, Ailesbury Gardens, Dublin 4, D04 P5C2
- Commenced86, Wilfield Road, Sandymount, Dublin 4
- Granted32 Ailesbury Road, Dublin 4
- Withdrawn86 Wilfield Road, Sandymount, Dublin 4
- Awaiting decisionSt Michael's College, Ailesbury Road, Dublin 4
- GrantedA. C.18 ha site at Coolbeg, 14, Shrewsbury Road, Ballsbridge, Dublin 4, D04 C228
- Commenced‘Merlyn Park Lodge’, 2A Merlyn Park, Dublin 4, D04 T6P1
- Granted59 Wilfield Road, Sandymount, Dublin 4
- Withdrawn59 Wilfield Road, Sandymount, Dublin 4, D04 XH33
- Withdrawn59 Wilfield Road, Sandymount, Dublin 4, D04 XH33
- Withdrawn59, Wilfield Road, Sandymount, Dublin 4, D04 XH33
- GrantedMulberry, 27, Ailesbury Road, Dublin 4, D04 V2H6
- WithdrawnMulbury, 27, Ailesbury Road, Dublin 4, D04 V2H6
- Commenced40 Saint John's, Park Avenue, Sandymont, Dublin 4
- Granted29 Saint John's Road, Sandymount, Dublin 4, D04K318
- Commenced40, Park Avenue, Sandymount, Dublin 4
- Withdrawn40 Park Avenue, Sandymount, Dublin 4
- Withdrawn8 Park Lane, Sandymount, Dublin 4, D04PW70
- Granted98 Wilfield Road, Sandymount, Dublin 4
- Appeal decided41 St. John's Road, Dublin 4, D04PN79
- Granted44 Merlyn Road, Ballsbridge, Dublin 4, D04W5P8
- Granted104 Wilfield Road, Sandymount, Dublin 4
- Granted88 Wilfield Road, Sandymount, Dublin 4
- GrantedSt Michael's College, Ailesbury Road, Dublin 4
- WithdrawnSt. Michael's House, Ailesbury Road, Dublin 4
- Withdrawn104 Wilfield Road, Sandymount, Dublin 4, D04 DW77
- Commenced20 Wilfield Road, Sandymount, Dublin 4, D04 AW81
- Withdrawn20, Wilfield Road, Sandymount, Dublin 4
- CommencedSequoia, 15A Shrewsbury Road, Ballsbridge, Dublin 4
- Granted17 Shrewsbury Road, Ballsbridge, Dublin 4
- Withdrawn104 Wilfield Road, Sandymount, Dublin 4, D04 DW77
- Granted40 Park Avenue, Sandymount, Dublin 4
- CommencedA c. 0.18 ha site at Coolbeg, 14, Shrewsbury Road, Dublin 4, D04 C2C8
- Commenced70, Wilfield Road, SANDYMOUNT, DUBLIN 4
- Granted18 Park Court, Sandymount, Dublin 4, D04 KX25
- Granted42 Wilfield Road, Sandymount, Dublin 4
- Commenced3 Merrion View Avenue, Ballsbridge, Dublin 4
- Withdrawn70, Wilfield Road, Sandymount, Dublin 4 , D04W588
- Withdrawn42, Wilfield Road, Sandymount, Dublin 4, D04 R652
- Withdrawn70, Wilfield Road, Sandymount, Dublin 4, D04 W588
- Granted28, Saint John's, Dublin 4, D04 E2Y4
- GrantedNo. 5 Shrewsbury Road (D04 C9W0) and No. 7 Shrewsbury Road (D04 V9K1), Ballsbridge, Dublin 4.
- CommencedCratloe, 77, Merrion Road, Ballsbridge, Dublin 4, D04 Y6N6
- Appeal decidedSite to the rear of No. 67 and 69 Merrion Road, Dublin 4, D04 RD40
- Granted32, Ailesbury Road, Dublin 4
- Commenced150, Merrion Road, Ballsbridge, Dublin 4, D04 V3W2
- Withdrawn150 Merrion Road , Ballsbridge , Dublin 4
- Granted8, Shrewsbury Park, Ballsbridge, Dublin 4, D04 RW30
- Granted38, Merlyn Park, Ballsbridge, Dublin 4, D04K4P1
- Commenced51 Park Avenue, Dublin 4, D04 X2E1
- Granted21, Shrewsbury Park, Dublin 4, D04 V0T6
- Granted31 Ailesbury Park, Sandymount, Dublin 4
- Withdrawn21 Shrewsbury Park, Dublin 4
- Appeal decided65A Merrion Road, Ballsbridge, Dublin 4
- Withdrawn65A Merrion Road, Ballsbridge, Dublin 4, D04 F8F8
- Granted5 Ailesbury Way, Ailesbury Road, Dublin 4, D04 E3W9
- Commenced162, Merrion Road, Dublin 4, D04 P8W8
- Commenced28, Saint John's Road, Sandymount, Dublin 4, D04 EW72
- WithdrawnLands to the rear of 162 Merrion Road, Dublin, 4
- CommencedFerns, 16A Sydney Parade Avenue, Dublin 4
- Granted158, Merrion Road, Ballsbridge, Dublin 4, D04 V2C0
- Granted77 Merrion Road, Dublin 4
- Commenced16 Ailesbury Road, Ballsbridge, Dublin 4
- Granted52, Shrewsbury, Shrewsbury Park, Dublin 4
- Granted46, Wilfield Road, Sandymount, Dublin 4, D04 WA29
- Commenced18 Merlyn Road, Dublin 04
- Withdrawn18 Merlyn Road, Dublin 04
- Commenced158, Merrion Road, Dublin 4
- Granted65A Merrion Road, Ballsbridge, Dublin 4
- Granted27 Wilfield Road, Sandymount, Dublin 4, D04CX45
- Withdrawn31, Ailesbury Park, Dublin 4, D04 K7PO
- Withdrawn18, Merlyn Road, Dublin 4
- Granted126 Merrion Road, Ballsbridge, Dublin 4, D04E2P5
- Withdrawn27, Wilfield Road, Sandymount, Dublin 4
- Withdrawn126 Merrion Road, Ballsbridge, Dublin 4, D04 E2P5
- Commenced42, Merlyn Road, Dublin 4
- Withdrawn42, Merlyn Road, Dublin 4
- Granted32, Ailesbury Road, Dublin 4, D04 C5V2
- GrantedRailway Union Sports Club, Park Avenue, Sandymount, Dublin 4
- WithdrawnRailway Union Sports Club, Park Avenue, Sandymount, Dublin 4
- Appeal decided80, Park Avenue, Sandymount, Dublin 4, D04 V3Y7
- Commenced160, Merrion Road, Dublin 4
- Commenced104, Merrion Road, Ballsbridge, Dublin 4
- Granted29, Saint John's, Sandymount, Dublin 4 D04 K7C9
- Granted41, Wilfield Road, Sandymount, Dublin 4 D04 FX22
- Commenced11, Saint Alban's Park, Sandymount, Dublin 4 D04 N2K6
- CommencedMulberry, 27 Ailesbury Road, Ballsbridge, Dublin 4, D04 V2H6
- CommencedThe Moorings, 59 Merrion Road, Dublin 4, D04 N6P9
- Commenced32, Ailesbury Road, Dublin 4, D04 C5V2
- Granted'Abingdon' No. 1A St. Albans Park, Sandymount, Dublin 4, D04X0K0
- Commenced21, Ailesbury Park, Dublin 4 D04 W0X6
- Commenced46, Wilfield Road, Sandymount, Dublin 4 D04 WA29
- Withdrawn'Abingdon' No.1A St Albans Park, Sandymount, Dublin 4, D04X0KO
- Commenced8, Shrewsbury Park, Ballsbridge, Dublin 4 D04 RW30
- GrantedRear of no. 23, Ailesbury Road, Dublin 4, D04 K0N7
- Withdrawn8, Shrewsbury Park, Ballsbridge, Dublin 4, D04 RW30
- RefusedLands to the rear of no. 162 Merrion Road, Dublin 4, D04 P8W8
- Granted8 Richelieu Park, Sydney Parade, Sandymount, Dublin 4
- WithdrawnLands to the rear of no. 162 Merrion Road, Dublin 4, D04 P8W8, fronting Sydney Parade Avenue
- Appeal decidedRear of 67, Merrion Road, (D04 RD40) and to the rear of the adjoining No. 69 Merrion Road, Dublin 4 and including parts of the adjoining laneway (between No's 65 and 67 Merrion Road) off Merrion Road leading to the Wanderers Football Club.
- Withdrawn38, Merlyn Park, Ballsbridge, Dublin 4, D04K4P1
- Granted29, Park Lane, Sandymount, Dublin 4 D04 KN29
- Withdrawn8 Richelieu Park, Sydney Parade Avenue , Sandymount, Dublin 4
- Granted36, Ailesbury Road, Dublin, D04 X361
- Commenced35, Park Avenue, Sandymount, Dublin 4 D04 HY40
- GrantedRailway Union Football Club, Park Avenue, Sandymount, Dublin 4, D04 PF86
- Withdrawn120, 122 & 124 Merrion Road, Dublin 4, D04 P8X5, D04 H9V3 & D04 R2X8 and the laneway to the rear on Shrewsbury Park
- Withdrawn35, Park Avenue, Sandymount, Dublin 4 D04 HY40
- WithdrawnRailway Union Football Club, Park Avenue, Sandymount, Dublin 4
- Granted76, Wilfield Road, Sandymount, Dublin 4
- WithdrawnRailway Union Football Club, Park Avenue, Sandymount, Dublin 4, D04 PF86
- Granted36, Ailesbury Road, Dublin 4, D04 X361
- Commenced98, Merrion Road, Dublin 4
- Withdrawn98 Merrion Road, Dublin 4
- Appeal decided29, Ailesbury Road, Dublin, D04YW28
- Granted28, Park Lane, Sandymount, Dublin 4 D04 ND29
- Withdrawn28, Park Lane, Sandymount, Dublin 4 D04 ND29
- CommencedFerns , 16A Sydney Parade Avenue, Dublin, D04F5Y6
- Commenced'Merlyn Court', 17B Merlyn Park, Ballsbridge, Dublin 4, D04 P2K8.
- Commenced23, Ailesbury Road, Dublin 4, D04K0N7
- Withdrawn23 Ailesbury Road, Dublin 4, D04 K0N7
- GrantedRailway Union Football Club, Park Avenue, Sandymount, Dublin 4, D04 PF86
- Commenced33, Saint John's Road, Sandymount, Dublin 4, D04 PW53
- WithdrawnRailway Union Football Club, Park Avenue, Sandymount, Dublin 4, DO4 PF86
- Commenced28 Merlyn Road, Ballsbridge , Dublin 4, D04Y1T2
- Commenced44, Wilfield Road, Dublin 4, D04 N726
- Refused28, Park Lane, Sandymount, Dublin 4 D04 ND29
- Commenced27, Ailesbury Road, Dublin 4
- Withdrawn28, Park Lane, Sandymount, Dublin 4 D04 ND29
- Withdrawn27, Ailesbury Road, Dublin 4
- CommencedSt. Michaels College, Ailesbury Road, Dublin 4.
- GrantedRailway Union Sports Club, Park Avenue, Sandymount, Dublin 4, D04 PF86
- Granted8, Willow Field, Park Avenue, Sandymount, Dublin 4, D04 DT63
- Commenced15, Wilfield Park, Sandymount, Dublin 4
- WithdrawnSt. Michaels College, Ailesbury Road, Dublin 4, D04 NC59
- Granted20, Wilfield Road, Sandymount, Dublin 4
- Commenced45, Park Avenue, Dublin 4 D04 F2A3
- Commenced104, Merrion Road, Ballsbridge, Dublin 4
- Commenced5, Richelieu Park, Dublin 4
- WithdrawnSt. Michaels College, Ailesbury Road, Dublin 4
- Withdrawn104, Merrion Road, Ballsbridge, Dublin 4
- WithdrawnWanderers Rugby Football Club, 65A, Merrion Road, Dublin 4
Homes nearby
- For sale36 Merlyn Road, Ballsbridge, Dublin 4, D04 Y2X3
- For saleMerrion Lodge, 148 Merrion Road, Ballsbridge, Dublin 4, D04 K6P0
- For saleThe Limes, Merrion Road, Ballsbridge, Dublin 4, D04 K0F4
- For saleMerrion Gardens, Merrion Road, Ballsbridge, Dublin 4
- For sale51 Merrion Village, Merrion Road, Ballsbridge, Dublin 4, D04 TK65
- For sale58 Park Avenue, formerly Ailesbury Nursing Home, Sandymount, Co. Dublin
Development land nearby
- Permitted, not started · 69 homes granted 03 Mar 2025, expires 03 Mar 2030 — Sandymount Place (0.8 km)
- Derelict site — 40 Park Avenue Dublin 4 (0.4 km)
- Residential land off Merlyn Road, Ballsbridge, Dublin 4 (0.0 km)
- Residential land off Merlyn Road, Ballsbridge, Dublin 4 (0.1 km)
- Residential land off Shrewsbury Park, Ballsbridge, Dublin 4 (0.1 km)
Building started
- 27 Jul 2026 · Builder told the council work was starting (opted out of the finish sign-off) CN0145446DC
Zoning
Zone Z1 - DEV PLAN 2022-2028
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
Flood area nearby (OPW maps). floodinfo.ie ↗
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
WEB1851/26 is a planning application to Dublin City Council for the development will consist of the demolition of the existing 56m2 single storey, received on 14 Apr 2026; permission was refused on 8 Jun 2026.