PlanningRegister.ie
Dún Laoghaire-Rathdown County Council · LRD23A/0505

The Sentinel, Block C at the former Allegro Site, Blackthorn Drive, Sandyford Business Estate, Sandyford, Dublin 18.

  1. 27 Jul 2023Received
  2. 19 Sept 2023Grant permission
  3. 16 Oct 2023Appealed
  4. 23 Jan 2024Appeal: Granted with conditions
  5. 2 Feb 2024Final grant
  6. 21 Jul 2026Commenced
Status
Commenced
Decision
Grant permission · 19 Sept 2023
Council
Dún Laoghaire-Rathdown County Council
Type
Permission
Site
1.23 ha
Appeal
ACP 318255 · Granted with conditions

What’s proposed

The development will comprise of the completion of the Sentinel Building to prov

The council feed cuts descriptions short; the full text is on the council register.

LRD23A/0505 is a planning application to Dún Laoghaire-Rathdown County Council for the development will comprise of the completion of the Sentinel Building to prov, received on 27 Jul 2023; permission was granted on 19 Sept 2023.

Planning details

Reference
LRD23A/0505
Local authority
Dún Laoghaire-Rathdown County Council
Status
Commenced · register status “Final Grant
Received
27 Jul 2023
Observations close
31 Aug 2023 (closed 1110 days ago)
Decision due
20 Sept 2023 · decided 19 Sept 2023
Decision
Grant permission on 19 Sept 2023
Proposed development
The development will comprise of the completion of the Sentinel Building to prov
As published by the register. The Dún Laoghaire-Rathdown feed cuts the description at 80 characters; the full text is on the council register.
Site area
1.23 ha from the mapped boundary, not the council's figure
Applicant
Not published — the national feed carries no applicant name council register

Around this site this application first, then everything within 500 m

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Appeal

ACP 318255 · Appeal - LRD · decided · Granted with conditions 23 Jan 2024
received by the Commission 16 Oct 2023 · inspector's report · board order

Commencement

  • Commencement notice CN0145035DR
    21 Jul 2026Blackthorn Avenue, Dublinmatched by spatial
  • Seven day notice SN0011663DR
    13 Dec 2024The Sentinel at the former Allegro Site, Blackthorn Drive, Sandyford Business Park, Sandyford, Dublin 18, Dún Laoghaire-Rathdown, D18 F4AEmatched by ref_exact

Zoning at the site

M5 — Mixed use — outer core

Objective MIC: MIC To consolidate and complete the development of the mixed use inner core to enhance and reinforce sustainable development.

A mix of uses complementing a town centre, with less retail and residential than the core itself.

M2 — Major town centre

Objective MIC: MIC To consolidate and complete the development of the mixed use inner core to enhance and reinforce sustainable development.

The main town centre — retail, offices, civic uses, apartments.

Designations within 250 m

OPW flood extent nearby — flag only (licence); floodinfo.ie.

  • Radon risk area · 4
    About 1 in 10 homes in this area is likely to have high radon levels; About 1 in 20 homes in this area is likely to have high radon levels; About 1 in 5 homes in this area is likely to have high radon levels

Provenance

Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 15:18 (store id 37205). Deadlines were computed by the store from the received / decided dates under the Planning and Development Act 2000 and are recorded as events, not recomputed here. Council register: https://planning.agileapplications.ie/dunlaoghaire/application-details/?ref=LRD23A/0505.

Source: npad · fetched 11 Sept 2026, 15:18
SourceLicenceFetchedLink
npadCC-BY-4.011 Sept 2026, 15:18open