The Sentinel
110 apartmentsDante Property Company LtdSandyford, Dún Laoghaire-Rathdown County Council
Approved Jan 2024; building started Jul 2023.
Also known as Block C, Former Allegro Site.
- 27 Jul 2023Received
- 28 Jul 2023Building started
- 19 Sept 2023Approved
- 16 Oct 2023Appealed
- 23 Jan 2024Appeal: Approved with conditions
- 2 Feb 2024Final approval
- Status
- Building started
- Decision
- Approved · 19 Sept 2023
- Size
- 110 apartments
- Uses
- residential, apartments
- Applicant
- Dante Property Company Ltd
- Site
- 1.23 ha
- Appeal
- ACP 318255 · Approved with conditions
Building progress councils’ figures, Q2 2026
- 2024Approved
- 2023Building started
- Not yetFirst homes signed off
110 homes permitted; building has not started (Q2 2026).
completed · under construction · not started · 0 houses and 110 apartments permitted
Quarter by quarter
| Quarter | Permitted | Under construction | Completed | Completed share |
|---|---|---|---|---|
| Q2 2025 | 110 | 0 | 0 | |
| Q3 2025 | 110 | 0 | 0 | |
| Q4 2025 | 110 | 0 | 0 | |
| Q1 2026 | 110 | 0 | 0 | |
| Q2 2026 | 110 | 0 | 0 |
The scheme
Dante Property Company Ltd proposes the completion of the Sentinel Building at the former Allegro Site in the Sandyford Business Estate. The development includes the provision of 110 residential units.
it is a Large Scale Residential Development
What the register says
The development will comprise of the completion of the Sentinel Building to prov…
Cut short by the council feed. Full text ↗
Summary from the register record.
Planning timeline 7 steps
- 27 Jul 2023Application lodged — LRD
- 28 Jul 2023Building started
- 19 Sept 2023Council decision — Grant
- 4 Oct 2023Appealed to An Coimisiún Pleanála — ABP-318255-23
- 11 Jan 2024Commission decision — Granted
- 23 Jan 2024Final approval
- 9 Feb 2029Approval runs out (estimate)
The site 1.23 ha
Boundary of The Sentinel as the Dublin councils map it in the housing pipeline.
Planning applications inside the site 5 applications in the last 10 years
- GrantedLands forming part of development generally known as Rockbrook located at the junction of Blackthorn Drive and Carmanhall Road,, Rockbrook Estate, Sandyford Business District, Dublin 18
- GrantedLands forming part of development generally known as Rockbrook, located at the junction of Blackthorn Drive and Carmanhall Road, Rockbrook Estate, Sandyford Business District, Dublin 18
- WithdrawnExpert Eye Property Company Limited, Lands forming part of development, generally known as Rockbrook located at the junction of, Blackthorn Drive & Carmanhall Road, Rockbrook Estate, Sandyford Business District, Dublin 18
- GrantedLands forming part of development generally known as Rockbrook located at the junction of Blackthorn Drive and Carmanhall Road, Rockbrook Estate, Sandyford Business District, Dublin 18
- CommencedThe Sentinel, Block C at the former Allegro Site, Blackthorn Drive, Sandyford Business Estate, Sandyford, Dublin 18.
Appeals inside the site 3 with An Coimisiún Pleanála
Building work started inside the site 3 commencement notices
- CommencedThe Sentinel, Block C at the former Allegro Site, Blackthorn Drive, Sandyford Business Estate, Sandyford, Dublin 18.
- Commenced17, Aubrey Grove, Shankill, Dublin 18, D18W207
- CommencedThe Sentinel, Block C at the former Allegro Site, Blackthorn Drive, Sandyford Business Estate, Sandyford, Dublin 18.
Other big developments nearby within 2 km
- Blackthorn Drive and Carmanhall Road · 0 m away
- development generally known as Rockbrook · 0 m away
- Expert Eye Property Company Limited · 0 m away
- 0.3772 ha former Siemens Site · 191 m away
- 0.31ha on lands at IVM House · 324 m away
- Junction of Ravens Rock Road and Carmanhall Road · 388 m away
- Avid Technology Site · 413 m away
- Avid Technology International Site · 442 m away
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