PROTECTED STRUCTURE: The development will consist of:- Change of use from commercial…

Proposed development

PROTECTED STRUCTURE: The development will consist of:- Change of use from commercial offices to reinstate residential use to provide 4 storey own-door residential unit (486sqm) over ancillary basement level storage (80sqm) to be used solely for purposes incidental to the enjoyment of the residential unit as such, each with pedestrian access directly from Merrion Street Upper and with vehicular and rear access via the existing gated car port entrance at No. 1 Merrion Place.- Re-ordering, alteration and refurbishment of the building interiors to facilitate the above change of use / reinstatement of residential accommodation, including restoration of a number of original features, removal of a number of modern interventions and removal of some original fabric; Alteration and refurbishment works include; (i) Removal of the top floor metal fire escape gantry connecting rear of No's 31, 32 ,33 Merrion Street Upper (protected structures RPS Ref Nos. 5225, 5226, 5227) to rear of No.30 Merrion Street Upper at third floor level together with the removal of the metal fire-escape stairs located at No.1 Merrion Place discharging to the rear ground-floor car port. (ii) Demolition of modern second floor office and pitched roof to No.1 Merrion Place and replacement with flat roof, landscaped roof terrace at second floor level together with provision of raised parapet guarding. Internal alterations at first floor level to provide bedroom accommodation.(iii) Removal of later internal low pitched accommodation stairs, to No.30 Merrion Street Upper, between ground and second floor landing and replacement with standard pitch stairs modelled on the original stairs in No.31 Merrion Street Upper together with repair of associated landings and removed tying walls. (iv) Removal of the bulkhead above the main stairs and subsequent reordering/ removal of later toilet and storerooms off landings to facilitate new window to main stairs to rear east return at second floor level and insertion of new structure over. (v) Removal of the rear accommodation stairs within No.1 Merrion Place and reordering of its ground floor entrance to accommodate a new lift core between ground and second floor. Formation of new openings to original layout to 3 storeys return to No. 30 Merrion Street Upper to provide for level access to lift core. (vi) Internal subdivision of rooms to rear return No. 30 Merrion Street Upper to accommodate new bathrooms, kitchen and level access from lift core to rear. (vii) Removal of later sash window and bricking up of original window opening to second floor north elevation of No. 30 Merrion Street Upper.(viii) Repair and repointing of historic brickwork and structural tying to southern gable elevation. Partial repair of front elevation at balconies and conservation repair of front footpath metal railing and granite stallriser at street level.(ix) Insertion of conservation double glazing in existing modern replacement single glazed sash windows and conservation repairs to shutter boxes.(x) Provision of new fire compartmentation, upgrading of doors to fire doors, installation of fire alarm(s) and installation of sprinklers throughout the proposed 4 storey residential unit. (xi) Installation of insulation and screed over the existing non-original concrete basement floor to accommodate under floor heating installation at basement level only. Associated heat pump to be located in rear basement level passage way.(xii) Repairs/renewals of the existing roof to No. 30 Merrion Street Upper and insertion of 1no. new rooflight, replacement of 2no. existing rooflights.(xiii) The existing car port access from Merrion Place is to remain in situ.(xiv) The application includes all associated site and drainage works and services installations.

What happens next

Permission was granted on 10 Mar 2026. Third parties may appeal within four weeks; after that the permission is final and works can start once a commencement notice is lodged.

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