Extension and alterations to the existing dwelling at 26 Mather Road South, Mount Merrion

Proposed development

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.

Planning status

The application has been lodged and validated. The council has eight weeks to decide, unless it asks for further information. The council's decision is due by 12 Nov 2026.

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