PROTECTED STRUCURE, CHANGE OF USE: The development will consist of the refurbishment…

Proposed development

PROTECTED STRUCURE, CHANGE OF USE: The development will consist of the refurbishment of 20-21 Denmark Street Great, Dublin 1, D01V2C9, Ireland a PROTECTED STRUCTURE included in North Great George’s Street Architectural Conservation Area, to include the following interventions: (a) Change of use of the former office space at ground-floor and basement levels to two residential studio apartments, one at each level, (b) Installation of additional bollards along the footpath in front of the site, facing Nos, 20–21 Great Denmark Street, together with the reinstatement and making good of the paving and street surface, all above the vaulted footprint of the protected structure basement boundary, (c) Introduction of a new external staircase within the courtyard to provide access to the basement, including the formation of a new entrance gate to the external stair. This will require the partial removal of the existing railing and boundary wall.(d) Removal of deteriorated cement render from the basement courtyard walls and re-rendering with lime plaster, together with the provision of tree black cast-iron ventilation grilles to the basement walls, including making good to match the existing render beneath the string course to the paving along Great Denmark Street, (e) Opening up of the existing vaults beneath the footpath, which face onto the courtyard, (f) Repointing of the top corner of the east gable at hopper level with lime mortar to match the existing, including realignment and routine maintenance of the rainwater pipe (RWP) and hopper, (g) Restoration of the shopfront, (h) Replacement of the existing plain-glass fanlight with a single-glazed ornate fanlight, (i) Replacement of the existing polycarbonate opaque glazing in the timber windows adjacent to the entrance door with single-glazed toughened frosted glass, (j) Replacement of the two courtyard-facing basement single-glazed 2-over-2 sash windows with either 6-over-6 vacuum-glazed units (6.1mm) or single-glazed sash windows, (k) Replacement of the courtyard basement entrance door, (l) Cleaning of the stone basement windowsills, granite plinth, and entrance steps, (m) Reinstatement of the missing corner railing post and sections of railing at street level, including re-lining of the stonework to the front railing wall, (n) Removal of concrete paving within the basement courtyards and replacement with gravel, (o) Re-rendering, using lime, of areas of failed render to the chimney, (p) Treatment or replacement, as required, of rotten rafter ends and wall plates to the roof, together with the installation of fire-rated breathable insulation within the attic space, (q) Introduction of one new bathroom and lobby at each level for each studio apartment, with associated new stud partitions and doors, (r) Removal of the existing basement concrete floor and provision of a new partially insulated, radon-proof concrete floor, (s) Replacement and upgrading of the existing basement bathroom to current standards, (t) Structural consolidation of the basement ceiling beneath the footpath, including the introduction of new supporting steel beams and replacement of deteriorated timber lintels with new precast concrete lintels, (u) Repair of wall cracks, including structural strengthening works to the chimney breast at basement level, (v) Tanking of basement apartment walls and floors, together with associated damp mitigation measures, (w) Introduction of a new fire-rated plasterboard ceiling at basement level, (x) Removal and replacement of basement stairs and modern partitions, (y) Removal and disposal of poor-quality modern interventions, including kitchens, bathrooms, mezzanines, shelving and counters, followed by a new fit-out, (z) Replacement of existing internal doors with fire-rated doors, (aa) Repair of existing plasterwork, (ab) Upgrading of suspended timber floors to improve fire resistance, structural performance, and sound insulation, (ac) Introduction of new mechanical and electrical services, including a fire detection and alarm system for the building, and provision of new service shafts located within the rear stair wall, including reinstatement of stair coving to match the existing, (ad) Replacement of existing site wastewater drainage and associated works, (ae) Provision of two CCTV cameras and an intercom adjacent to the main entrance door, (af) Redecoration of all internal spaces, (ag) Ongoing maintenance of the building, (ah) All ancillary works required to facilitate the above

What happens next

Permission was granted on 17 Apr 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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