~1 dwelling, 26 Mather Road South, Mount Merrion, Blackrock, Co. Dublin, A94F7K2
Planning Permission for extension and alterations to the existing dwelling to include; 1) At Ground floor - Relocation of staircase, open plan kitchen/dining/snug area, TV room, shower room, playroom and ensuite bedroom with extension to include enlarged study and utility room. 2) At First Floor - Extension and alterations to...
The record describes what is sought. Nothing is permitted until the authority decision.
Package signals below are limited to wording in the public application record.
No tender, award, contractor appointment, supplier appointment or procurement timetable is inferred.
Opportunity & supplier intelligence
What is known, and what may happen next
Timing is a planning-stage outlook, not a tender, award, contractor appointment, supplier appointment or guaranteed procurement date.
The application is pre-decision. The earliest credible supplier window is after the public decision milestone on 12 Nov 2026; no procurement timetable is published.
Decision due 12 Nov 2026 / Confidence: MediumPublic planning decision due date; the authority may update it.
Open evidenceNo commencement indexed / A scheme cannot commence under this application before permission.
Source limitedNo drawing entry is available in this lead's bounded document evidence.
Source limitedConfirmed scope
Confirmed application scope
Planning Permission for extension and alterations to the existing dwelling to include; 1) At Ground floor - Relocation of staircase, open plan kitchen/dining/snug area, TV room, shower room, playroom and ensuite bedroom with extension to include enlarged study and utility room. 2) At First Floor - Extension and alterations to the existing first-floor accommodation to provide a master ensuite bedroom with dressing area, Landing, Ensuite bedroom 4 with dressing area, Bedroom 3, shared en-suite accommodation, and...
Open scope evidenceNamed firms
Public source roles
No named firm role is published in this panel's source contract. PlanningBrief does not infer a contractor or supplier.
Evidence-backed work packages
Explicit source signals only
Roads and site-development scope
The public application description explicitly references roads and site-development scope.
Services / drainage scope
The public application description explicitly references services / drainage scope.
Confidence & provenance 1 official source
- Authority
- Dun Laoghaire Rathdown County Council
- Exact reference
- D26A/0700/WEB
- Evidence reviewed
- 28 Sep 2026
- Confidence
- Source-linked
Facts come from the indexed public planning record and any bounded structured document evidence. No request-time official fetch, tender, award or appointment inference is used.
What the public record evidences
One-off house - 1 dwellings
The public application record identifies 1 dwellings in the submitted planning scope.
Roads and site-development scope
The public application description explicitly references roads and site-development scope.
Services / drainage scope
The public application description explicitly references services / drainage scope.
Only source-supported scope signals are shown; generic trade padding is omitted.
Named source parties
- Promoter
- Melissa McCahey & Kevin O'Reilly
- Planning agent
- Claire O'Neill
More Dublin planning activity
These are county discovery links, not claimed relationships to this application.
Application text
Planning Permission for extension and alterations to the existing dwelling to include; 1) At Ground floor - Relocation of staircase, open plan kitchen/dining/snug area, TV room, shower room, playroom and ensuite bedroom with extension to include enlarged study and utility room. 2) At First Floor - Extension and alterations to the existing first-floor accommodation to provide a master ensuite bedroom with dressing area, Landing, Ensuite bedroom 4 with dressing area, Bedroom 3, shared en-suite accommodation, and Bedroom 2/study. 3) Front Elevation – North-West - Removal of the existing brick finish. New timber finish to the front entrance porch. Alterations to existing window openings, including reduced widths and increased heights. Replacement of the existing pitched roof over the main entrance with a flat roof. Alterations and extensions to the existing roof profile, including: Two new dormer windows serving the master bedroom and Bedroom 2. A new triangular rooflight serving the landing. Removal of the existing chimney. 4) Right Elevation – South-West - Removal of the existing single-storey rectangular projection and existing en-suite window, with new sliding doors the proposed dining area. Construction of a new flat-roofed projecting bay window serving the snug. Replacement of an existing door with a window serving the en-suite for bedroom 5. Four new rooflights within the altered roof profile. 5) Rear Elevation – South-East - Construction of a new first-floor gable incorporating two window openings, serving an en-suite and a projecting oriel window serving Bedroom 4. Provision of a new dormer window serving the master bedroom en-suite. Replacement of the existing pitched roof over the breakfast area with a flat roof. Replacement of two existing ground-floor rear windows with a glazed single door serving the kitchen and a full-height picture window serving the dining area. 6) Left Elevation – North-East - Replacement of the existing flat roof over the kitchen/dining/living area with a new dormer pitched roof. Provision of five rooflights, including a triangular rooflight serving the landing. Realignment of the existing kitchen gable wall from a position parallel with the site boundary to a stepped arrangement to provide separation from the adjoining property site boundary masonry wall with site boundary wall to be reduced in height to approximately 1.83m. 7) Provision of a new high-level study window. 8) The works will also include the installation of external insulation to the existing dwelling with a smooth rendered finish in lieu of the existing roughcast/dashed finish. 9) Proposed widening of the existing site entrance from 2,850 mm to 4,037 mm, including the construction of a new masonry entrance pier, together with connection to existing services, landscaping and all associated site development works.
Application to site progress
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Applied 18 Sep 2026 D26A/0700/WEB
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Decision Decision not recorded yet
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Appeal No appeal possible yet The application has not been decided.
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Commenced No commencement indexed A scheme cannot start before it is permitted.
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Completed Completion not recorded No privacy-cleared exact completion certificate is linked to this permission. Absence is not evidence that the project is incomplete.
Source, scope and limits
Application description and scale D26A/0700/WEB
Planning Permission for extension and alterations to the existing dwelling to include; 1) At Ground floor - Relocation of staircase, open plan kitchen/dining/snug area, TV room, shower room, playroom and ensuite bedroom with extension to include enlarged study and utility room. 2) At First Floor - Extension and alterations to the existing first-floor accommodation to provide a master ensuite bedroom with dressing area, Landing, Ensuite bedroom 4 with dressing area, Bedroom 3, shared en-suite accommodation, and Bedroom 2/study. 3) Front Elevation – North-West - Removal of the existing brick finish. New timber finish to the front entrance porch. Alterations to existing window openings, including reduced widths and increased heights. Replacement of the existing pitched roof over the main entrance with a flat roof. Alterations and extensions to the existing roof profile, including: Two new dormer windows serving the master bedroom and Bedroom 2. A new triangular rooflight serving the landing. Removal of the existing chimney. 4) Right Elevation – South-West - Removal of the existing single-storey rectangular projection and existing en-suite window, with new sliding doors the proposed dining area. Construction of a new flat-roofed projecting bay window serving the snug. Replacement of an existing door with a window serving the en-suite for bedroom 5. Four new rooflights within the altered roof profile. 5) Rear Elevation – South-East - Construction of a new first-floor gable incorporating two window openings, serving an en-suite and a projecting oriel window serving Bedroom 4. Provision of a new dormer window serving the master bedroom en-suite. Replacement of the existing pitched roof over the breakfast area with a flat roof. Replacement of two existing ground-floor rear windows with a glazed single door serving the kitchen and a full-height picture window serving the dining area. 6) Left Elevation – North-East - Replacement of the existing flat roof over the kitchen/dining/living area with a new dormer pitched roof. Provision of five rooflights, including a triangular rooflight serving the landing. Realignment of the existing kitchen gable wall from a position parallel with the site boundary to a stepped arrangement to provide separation from the adjoining property site boundary masonry wall with site boundary wall to be reduced in height to approximately 1.83m. 7) Provision of a new high-level study window. 8) The works will also include the installation of external insulation to the existing dwelling with a smooth rendered finish in lieu of the existing roughcast/dashed finish. 9) Proposed widening of the existing site entrance from 2,850 mm to 4,037 mm, including the construction of a new masonry entrance pier, together with connection to existing services, landscaping and all associated site development works.
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