Simmonstown House, 2 Sydenham Road, Ballsbridge, Dublin 4
Retention of bed and breakfast use, a three-storey rear extension, and an annexe conversion in Ballsbridge.
3469/25 · Dublin City Council · Lodged 25 November 2025
- Reference
- 3469/25
- Authority
- Dublin City Council
- Register status
- Decided
- Type
- Retention Permission
- Received
- 25 November 2025
Summary
AI-generatedThis application seeks permanent retention for the use of the house and annexe as bed and breakfast accommodation. It also seeks to retain a three-storey rear extension, an infill front porch, pedestrian and vehicular access gates, and the conversion of a former garage into guest accommodation.
- Storeys
- 3
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
- Permanent retention of
- Use of house and annexe as bed and breakfast accomodation
- 3 storey extension to rear of house
- Infill porch to front of house
- Pedestrian and vehicular access gates to rear garden from adjoining laneway/right of way
- Internal alterations and
- Conversion of former garage to annexe accomodation for use in conjuction with main house
Land-use zoning
What this land is zoned for
“To protect, provide and improve residential amenities.”
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 |
|---|---|---|---|
| 2 Sydenham Road, Ballsbridge, Dublin 4 | Mar 2026 | €1,950,000 | 9 m |
| 4 Sydenham Court, Sydenham Rd, Dublin 4 | Jan 2026 | €710,000 | 58 m |
| 3 Sydenham Court, Sydenham Road, Dublin 4 | Mar 2025 | €631,000 | 58 m |
| 21 Serpentine Ave, Ballsbridge, Dublin 4 | Nov 2025 | €1,500,000 | 69 m |
| 64 Merrion Road, Ballsbridge, Dublin 4 | Mar 2026 | €4,300,000 | 84 m |
| 24 Sydenham Court, Sydenham Rd, Ballsbridge Dublin 4 | Nov 2025 | €670,000 | 84 m |
| Apt 15, Wellington Lodge, Serpentine Ave Dublin 4 | Feb 2026 | €373,500 | 104 m |
| 19 Wellington Lodge, Serpentine Ave, Ballsbridge | Apr 2026 | €417,000 | 104 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 received25 November 2025
- Decision due28 January 2026
- Decision issued28 January 2026
- Permission expiry23 April 2031
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Awaiting decision30 m away
The development will consist of alterations and extension to previously permitted development (Reg. Ref.…
1 Sydenham Road, Ballsbridge, Dublin 4
WEB1805/26Dublin CityLodged 7 Apr 2026Extension
- Granted40 m away
Planning Permission for the proposed demolition of the existing ground floor rear extension of the existing…
3, Serpentine Avenue, Ballsbridge, Dublin 4
WEB2066/22Dublin CityLodged 25 Nov 2022Extension
- Invalid40 m away
Planning Permission for The proposed demolition of the existing ground floor rear extension of the existing…
3, Serpentine Avenue, Dublin 4
WEB2018/22Dublin CityLodged 8 Nov 2022Extension
- Part granted, part refused50 m away
The development will consist of the construction of a 10.3 sq.m extension at first floor to the rear, the…
15, Serpentine Avenue, Ballsbridge, Dublin 4 D04 C9YO
WEB1102/20Dublin CityLodged 28 Feb 2020Extension
- Refused60 m away
RETENTION: The development to be retained consists of the provision of two wooden storage units in the patio…
1 Sydenham Road, Ballsbridge, Dublin 4
WEB2087/23Dublin CityLodged 11 Dec 2023Retention
- Refused60 m away
Permission sought for detached new two storey mews with roof light, external store to rear of private open…
1 Sydenham Road, Ballsbridge, Dublin 4
4142/19Dublin CityLodged 4 Oct 2019New dwelling
- Refused60 m away
Permission for a new vehicular access to front garden to provide a new car parking space and to widen side…
1 Sydenham Road, Dublin 4
2325/21Dublin CityLodged 4 Mar 2021Alterations
- Invalid60 m away
Planning permission sought to widen lane access and provide new car parking space to front garden
1 Sydenham Road, Dublin 4
2242/21Dublin CityLodged 18 Feb 2021Alterations
Related developments
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