51 Northumberland Road, Ballsbridge, Dublin 4
Two-storey extension, granny flat conversion, and extensive renovations to a protected house in Ballsbridge.
3375/25 · Dublin City Council · Lodged 8 September 2025
- Reference
- 3375/25
- Authority
- Dublin City Council
- Register status
- Decided
- Type
- Permission
- Received
- 8 September 2025
Summary
AI-generatedThe project at 51 Northumberland Road includes a two-storey gable extension for a gym, office, and kitchen. It also involves converting the lower ground floor into a granny flat, adding en-suite bathrooms, creating a new rear vehicular entrance, and replacing render and windows on this protected structure.
- Storeys
- 2
Generated from the description above by an AI model and may contain mistakes. The council’s description is the authoritative record.
Official record
Development description
Protected structure : a proposed two storey gable extension containing gym at lower ground floor and office and new kitchen at upper ground floor with new door openings from existing house on both levels , for internal aterations as follows , to remove wall and form lobby and form bathroom at lower ground floor to provide new granny flat , for internal alterations to first floor and second floor to add new en suite bathrooms and plant room , block up existing doorways and convert existing two second floor adjacent bathrooms into one , for enternal works to rear garden to form new rear garden wall and vehicular entrance and to reinstate back garden with new lawn , planting and gravel , as well as parking to the rear , for the removal of the existing sand cement render to the rear and gable walls and the replacement with insulated lime render and to add insulation to the existing roofs and for the replacement of the single glazing to the existing windows with double glazed units and new velux conservation rooflight.
Land-use zoning
What this land is zoned for
“To protect and/or improve the amenities of residential conservation areas.”
National zoning type: Existing residential
Objective set by the Development Plan 2022-2028 (2022–2028). The planning authority decides each application on its own merits — this is the zoning context, not a compliance assessment.
Read the zoning objectives in the development planBuilt & sold
What happened next
Beyond the decision: whether this development was built, and what property here has sold for.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 7 The Moorings, St Marys Rd, Ballsbridge Dublin 4 | May 2025 | €320,000 | 43 m |
| 1 The Moorings, St Marys Rd, Ballsbridge Dublin 4 | Dec 2025 | €485,000 | 43 m |
| 35 Pembroke Gardens, Ballsbridge, Dublin 4 | Jan 2025 | €875,000 | 51 m |
| 48 Northumberland Rd, Ballsbridge, Dublin 4 | Dec 2025 | €2,525,000 | 114 m |
| 8 Lansdowne Crescent, Ballsbridge, Dublin 4 | Jul 2025 | €745,000 | 131 m |
| 5 Lansdowne Crescent, Ballsbridge, Dublin 4not full market price | Apr 2025 | €320,000 | 134 m |
| Apt 8, Arranmore, 13 17 Pembroke Rd Dublin 4 | Aug 2025 | €390,000 | 150 m |
| 108 Baggot Lane, Dublin 4 | Jan 2026 | €820,000 | 159 m |
Nearby properties, not this site — a guide to local values.
Sources: Building Control Management System (commencement notices) and the Residential Property Price Register, licensed under CC BY 4.0. Records are matched to this application by location and may not be exhaustive; always confirm against the official source before relying on them.
Key dates
Timeline
- Application received8 September 2025
- Decision due31 October 2025
- Decision issued10 September 2025
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- GrantedAt this site
PROTECTED STRUCTURE: A proposed two storey gable extension containing gym at lower ground floor and office…
51 Northumberland Road, Ballsbridge, Dublin 4
3382/25Dublin CityLodged 15 Sept 2025Extension
- GrantedAt this site
PROTECTED STRUCTURE: Change of use from offices to a single residence and for minor internal alterations…
51, Northumberland Road, Dublin 4
4252/24Dublin CityLodged 6 Sept 2024Change of use
- Granted40 m away
The development consists of a single storey rear extension and associated site works
38, Pembroke Gardens, Ballsbridge, Dublin 4
WEB2268/25Dublin CityLodged 4 Jun 2025Extension
- Granted60 m away
PROTECTED STRUCTURE, CHANGE OF USE — Proposed change of use from existing office use to single occupancy…
70 Northumberland Road, Dublin 4
WEB1986/26Dublin CityLodged 27 Apr 2026Change of use
- Invalid60 m away
PROTECTED STRUCTURE: CHANGE OF USE: Proposed change of use from existing office use to single occupancy…
70 Northumberland Road, Dublin 4, D04VH66
WEB1948/26Dublin CityLodged 22 Apr 2026Change of use
- Granted80 m away
The development consists of a change of use from office to educational with proposed set down area to the…
60, Northumberland Road, Dublin 4
3547/18Dublin CityLodged 20 Jul 2018Change of use
- Granted80 m away
PROTECTED STRUCTURE Planning Permission is sought for the following works within the curtilage of a Protected…
No. 147-148 Lansdowne Park, Ballsbridge Dublin 4, which is located to the rear of, No. 60 Northumberland Road, Dublin 4, D04 YT91 (A Protected Structure ref: 5923)
3724/24Dublin CityLodged 21 May 2024New dwelling
- Granted80 m away
PROTECTED STRUCTURE: The works will consist of refurbishment of existing house including internal alterations…
35, St. Mary's Road, Dublin 4
WEB1053/26Dublin CityLodged 8 Jan 2026New dwelling
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedExtension
PROTECTED STRUCTURE: A proposed two storey gable extension containing gym at lower ground floor and office…
51 Northumberland Road, Ballsbridge, Dublin 4
3382/25Dublin CityLodged 15 Sept 2025
- InvalidExtension
PROTECTED STRUCTURE: For development consisting of a part 3 storey, part 2 storey rear extension to form…
77, Waterloo Road, Dublin 4
WEB1136/25Dublin CityLodged 24 Jan 2025
- Awaiting decisionExtension
Permission for proposed extension to the side elevation (south east facing) and the rear elevation (north…
Stabannan Lodge , Drumcashel , Castlebellingham Co Louth
20316LouthLodged 5 May 2020
- GrantedExtension
PROTECTED STRUCTURE: the development will consist of; single storey extension to rear and two storey…
corner of Highfield Road and Neville Road, address 'Hampstead' no. 73 Highfield Road, Rathgar, Dublin 6
4733/19Dublin CityLodged 18 Dec 2019
- GrantedAlterations
Protected Structure: (i) Permission for the demolition of the existing non-original single-storey rear…
16 Palmerston Road, Rathmines, Dublin 06 F5K6
3226/21Dublin CityLodged 28 Jul 2021
- GrantedAlterations
PROTECTED STRUCTURE:The proposed development comprises of the removal of the existing single-storey rear…
44 Ormond Road South, Dublin 6, D06 R5T8
3176/24Dublin CityLodged 12 Feb 2024
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