PlanningRegister.ie
Dún Laoghaire-Rathdown County Council · D14B/0140

20, Saint Thomas Road, Mount Merrion, Co. Dublin

  1. 17 Apr 2014Received
  2. 29 Jul 2014Grant permission
  3. 3 Sept 2014Final grant
  4. 27 Oct 2014Commenced
Status
Commenced
Decision
Grant permission · 29 Jul 2014
Council
Dún Laoghaire-Rathdown County Council
Type
Permission
Site
690 m²
Free reportCouncil register ↗

What’s proposed

Permission for: (a) Single storey extension to rear (24 sqm) with slate finish…

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

D14B/0140 is a planning application to Dún Laoghaire-Rathdown County Council for permission for: (a) Single storey extension to rear (24 sqm) with slate finish, received on 17 Apr 2014; permission was granted on 29 Jul 2014.

Planning details

Reference
D14B/0140
Local authority
Dún Laoghaire-Rathdown County Council
Status
Commenced · register status “Decision made”
Received
17 Apr 2014
Observations close
22 May 2014 (closed 4516 days ago)
Decision due
14 May 2014 · decided 29 Jul 2014
Decision
Grant permission on 29 Jul 2014
Proposed development
Permission for: (a) Single storey extension to rear (24 sqm) with slate finish…
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
690 m² from the mapped boundary, not the council's figure
Applicant
Not published — the national feed carries no applicant name council register

What could you build here?

Nearby 136 applications within 500 m in the last 5 years

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Homes nearby

Development land nearby

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Appeal

Not appealed.

Commencement

  • Short commencement notice CN0003106DR
    27 Oct 201420 St. Thomas Road, Mount Merrionmatched by ref_exact

Zoning at the site

R2 — Existing residential

Objective A: A To provide residential development and improve residential amenity while protecting the existing residential amenities

An established residential area. The objective is to protect existing residential amenity as well as to provide housing — which is the objective a neighbour's objection to an overbearing extension is usually argued under.

R2.6 — Existing residential

Objective A: A To provide residential development and improve residential amenity while protecting the existing residential amenities

An established residential area. The objective is to protect existing residential amenity as well as to provide housing — which is the objective a neighbour's objection to an overbearing extension is usually argued under.

Designations within 250 m

No OPW flood extent nearby.

  • Radon risk area · 1
    About 1 in 20 homes in this area is likely to have high radon levels
  • Record of Protected Structures · 2
    Saint Thomas' Church; Merville House

Provenance

Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 15:18 (store id 25267). 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=D14B/0140.

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