Planning application · Dun Laoghaire Rathdown County Council

Demolition of single storey annex and replacement at 9 Clifton Lane, Monkstown

9 Clifton Lane, Monkstown, Blackrock, Co. Dublin, A94PK07 - ACA

D26A/0458/WEB · Dun Laoghaire RathdownClosed

up to 2 storeys · 0.139 ha · Refused

Planning application D26A/0458/WEB to Dun Laoghaire Rathdown County Council: Demolition of single storey annex and replacement with a ground floor single storey extension to side and rear, at 9 Clifton Lane, Monkstown, Blackrock. Refused by the council on 28 September 2026.

Timeline

  1. Application lodged
  2. Further information requested
  3. Further information received
  4. Council refused

Key facts

Reference
D26A/0458/WEB
Planning authority
Dun Laoghaire Rathdown County Council
Received
19 Jun 2026
Decided
28 Sept 2026
Status
Closed
Application type
Extension
Use
Residential
Site area
0.139 ha
Further information requested
11 Aug 2026
Further information received
7 Sept 2026

Proposed development

Planning permission for demolition of single storey annex and replacement with a ground floor single storey extension to side and rear along with internal rearrangements and refurbishment to existing 2 storey Mews building and provision of single off street car space. The application also includes the demolition of an existing single storey garage building that accesses onto Clifton Lane that provides parking for the primary residence, 9 Clifton Terrace. Parking for Clifton Terrace we look to provide within a new Garage structure for 3 cars with studio accommodation over, and car charging points. Access to the new garage shall be from adjusted existing gate access from Clifton Lane. All associated site works and landscape works including a temporary construction access of Brighton lane, which is in the curtilage of a Protected Structure, within an Architectural Conservation Area.

Planning status

Permission was refused on 28 Sept 2026. The applicant may appeal within four weeks of the decision.

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About this page: the facts above come from the statutory public planning register kept by Dun Laoghaire Rathdown County Council and are refreshed weekly (last updated 12 Oct 2026). Applicant names and contact details are not shown. Status labels are PlanningLeads' plain-language reading of the register status and the "Use" label is classified by AI from the public description (see how we use AI); neither is legal advice and the council's file is the record. How we handle this data: privacy notice.

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