The Sentinel, Block C at the former Allegro Site, Blackthorn Drive, Sandyford Business Estate, Sandyford, Dublin 18.
Completion of the Sentinel Building to provide 110 apartments with two additional floors.
LRD23A/0505 · Dun Laoghaire Rathdown County Council · Lodged 27 July 2023
- Reference
- LRD23A/0505
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 27 July 2023
Summary
AI-generatedThe proposed development will complete the Sentinel Building to deliver 110 apartments, comprising 22 one-bed, 60 two-bed, and 28 three-bed units. The works include adding two floors to the existing six-storey section, residential communal spaces, a gym, lounge, and basement parking.
- Residential units
- 110
- Storeys
- 8
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
- The development will comprise of the completion of the sentinel building to provide for 110no. Apartments. Particulars of the development will comprise as follows
- The provision of 22 no. 1 bed units, 60 no. 2bed units & 28 no. 3 bed units along with provision of associated residential communal spaces both at terrace roof level and within the building. Ancillary communal spaces at ground level within the building will include for a resident’s gym and resident’s lounge
- The provision of 2 no. Additional floors on the existing 6 storey section of the existing sentinel building
- The provision of associated internal works and elevational works to complete the building
- Provision of associated car parking and motorcycle parking at basement level
- Provision of electric vehicle charge points with associated site infrastructure ducting to provide charge points for residents
- Provision of associated bicycle storage facilities at basement level and bin storage facilities
- Provision of associated bicycle storage facilities at ground level
- Use of existing access from blackthorn drive
- Provision of an esb substation at ground floor level
- All ancillary site development works to include for plant and works to facilitate foul, water and service networks for connection to the existing foul, water, and esb networks. Website: https://www. Thesentinellrd. Com
Land-use zoning
What this land is zoned for
“MIC To consolidate and complete the development of the mixed use inner core to enhance and reinforce sustainable development.”
National zoning type: Other mix of uses
Objective set by the COUNTY 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.
Built — construction complete
A commencement notice records works starting on 13 December 2024.
Notified floor area: 13,894 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 189 Grand Central, Rockbrook, Carmanhall Rd Dublin 18 | Mar 2026 | €535,000 | 55 m |
| 16 Grande Central, Core 7, Rockbrook Dublin 18 | Jul 2025 | €1,065,000 | 79 m |
| 83 Grand Central, Dublin 18, Dublin | Oct 2025 | €510,000 | 93 m |
| Apt.107, Grande Central, Sandyford | Jul 2025 | €585,000 | 98 m |
| 98 Grand Central, Sandyford, Dublin 18 | Jan 2025 | €521,000 | 98 m |
| Apt 632 The Cubes 7, Beacon South Quarter, Blackthorn Rd Dublin 18 | Sept 2025 | €335,000 | 104 m |
| 506 The Edges 2, Beacon South Quarter, Sandyford | Apr 2025 | €385,000 | 138 m |
| 401 The Edges 2, Beacon South Quarter, Sandyford Ind Est Dublin 16 | Jan 2025 | €391,000 | 138 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 received27 July 2023
- Decision due20 September 2023
- Decision issued19 September 2023
- Appeal submitted16 October 2023
- Appeal decided23 January 2024
- Permission expiry1 February 2027
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Compliance submissionAt this site
Compliance with Condition No. 2 of Reg Ref No. LRD23A/0505
The Sentinel, Block C at the former Allegro Site, Blackthorn Drive, Sandyford Business Estate, Sandyford, Dublin 18.
LRD23A/0505/C1Dún Laoghaire–RathdownLodged 18 Nov 2024Infrastructure
- Compliance submissionAt this site
Compliance with Condition No. 13 of Reg Ref No. LRD23A/0505
The Sentinel, Block C at the former Allegro Site, Blackthorn Drive, Sandyford Business Estate, Sandyford, Dublin 18.
LRD23A/0505/C4Dún Laoghaire–RathdownLodged 21 Jan 2025Other
- Compliance submissionAt this site
Compliance with Condition No.30 of Reg Ref No. LRD23A/0505
The Sentinel, Block C at the former Allegro Site, Blackthorn Drive, Sandyford Business Estate, Sandyford, Dublin 18.
LRD23A/0505/C8Dún Laoghaire–RathdownLodged 18 Sept 2025Other
- Awaiting decisionAt this site
Compliance with Condition No. 23 of Reg Ref No. LRD23A/0505
The Sentinel, Block C at the former Allegro Site, Blackthorn Drive, Sandyford Business Estate, Sandyford, Dublin 18.
LRD23A/0505/C5Dún Laoghaire–RathdownLodged 28 Jan 2025Other
- Compliance submissionAt this site
Compliance wIth Condition No.24(f) of Reg Ref No. LRD23A/0505
The Sentinel, Block C at the former Allegro Site, Blackthorn Drive, Sandyford Business Estate, Sandyford, Dublin 18.
LRD23A/0505/C16Dún Laoghaire–RathdownLodged 30 Apr 2026Other
- Compliance submissionAt this site
Compliance wIth Condition No.7 of Reg Ref No. LRD23A/0505
The Sentinel, Block C at the former Allegro Site, Blackthorn Drive, Sandyford Business Estate, Sandyford, Dublin 18.
LRD23A/0505/C17Dún Laoghaire–RathdownLodged 6 May 2026Other
- Compliance submissionAt this site
Compliance with Condition No. 32 of Reg Ref No. LRD23A/0505
The Sentinel, Block C at the former Allegro Site, Blackthorn Drive, Sandyford Business Estate, Sandyford, Dublin 18.
LRD23A/0505/C2Dún Laoghaire–RathdownLodged 20 Nov 2024Infrastructure
- Awaiting decisionAt this site
Compliance with Condition No. 15 of Reg Ref No. LRD23A/0505
The Sentinel, Block C at the former Allegro Site, Blackthorn Drive, Sandyford Business Estate, Sandyford, Dublin 18.
LRD23A/0505/C6Dún Laoghaire–RathdownLodged 28 Jan 2025Other
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