Planning precedent report

Apply for Retention Permission for development within the grounds of Thornhill Oaks, and Thornhill House, a Protected Structure (RPS. 936). The development consists of the retention of an following: (i) Omission of railings to perimeter of central green; (ii) Omission of 4no. x pedestrian gates to the central green; (iii) Omission of hedge to perimeter of the central green; (iv) Omission of pedestrian crossing to the road on the southern side of the central green; (v) Addition of a low metal fence to centre/side of new hedge boundaries to rear gardens of Thornhill House & Houses 60 - 64 (inclusive); (vi) Provision of a pedestrian gate to the rendered blockwork wall to the southern boundary of the rear garden of House 64; (vii) Relocation of water feature from side boundary wall of House No. 64 to inner face of wall to communal courtyard serving Houses 60 to 64.

Oak View Property Developments Limited, intend to apply for Retention Permission for development within the grounds of Thornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Co. Dublin. The development consists of the Retention of an external flight, (2.2 metres wide), of stone steps, (consisting of 10 no. x ambulant steps), providing pedestrian access, located at the southern gable of the existing Apartment block. Retention is also sought of a second flight (1.8 metres wide) of external stone steps, which also provides pedestrian access to Thornhill Oaks. This flight (consisting of a total of 6 no. x ambulant steps) is located west of the existing car ramp entrance to the Apartment block.

Permission for development on a site of c. 1.39 ha.

Permission for development. The proposed development will consist of: Conservation works to Thornhill House, to upgrade the house as a single family residence 494 sqm; the provision of 5No. own door two storey 2 bed dwellings to the rear of Thornhill House through the renovation, conversion and extension of an existing return and outbuildings located around an existing rear stable yard; and the provision of a terrace of 5 No. one-and-a-half storey mews dwellings located to the south of Thornhill House. The proposed conservation works and interventions to the house are to include - (i) Formation of new ope in partition to proposed kitchen in basement, (ii) Removal of door and alteration to window to rear hall at ground floor level; (iii) Modifications to WC and bathroom t landing level; (iv) Modifications to master ensuite at first floor level' (v) Removal of inappropriate internal doors to basement; and external architectural interventions / enhancements to include - (i) Removal of existing perspex screens to front portico, (ii) Removal of security grilles to windows and the rationalisation of soil pipes to the elevations (iii) Provision of new painted hardwood doors replacing inappropriate modern joinery elements to basement (iv) Improvements to external areas on eastern and western sides at basement level, (v) Removal of fixed maintenance ladders and gates to rear courtyard wall and provision of a private garden with associated railings, gates, soft and hard landscaping to the south and west of Thornhill House. Works to return and outbuildings to include creation of new opes, removal of sections of external wall and interior partitions, roofs to be removed and existing slates to be reused in new extension, removal of external courtyard wall and removal of corrugated roof over covered external space, wrought iron trusses and column supports, provision of new sash windows, refurbishment of existing original sash windows, replacement of non-original windows / doors, demolition of existing boiler room and WC to south-east of external courtyard. the proposed development will consist of the reconfiguration of the permitted ( Dun Laoghaire Rathdown County Council Reg. Ref. D17A/0240; An Bord Pleanála Ref. PL06D.300244) internal road layout, amendments to hard and soft landscaping, boundary treatment works including the provision of opes in the existing eastern stone wall and replacement of low wall and railings and all associated works above and below ground.

Permission for development. The proposed development will consist of the reconfiguration and redesign of the permitted housing units (Dun Laoghaire Rathdown County Council Reg. Ref. D17A/0240; An Bord Pleanála Ref. PL06D.300244) to provide an increase from 9 No. houses (comprising 4no. four bed and 5no. five bed units) to 15 No. houses (comprising 3no. three bed and 12no. four bed units). Additional works include reconfiguration of the internal road layout, relocation of ESB substation, amendments to hard and soft landscaping, boundary treatment works and all associated works above and below ground. No works are proposed to Thornhill House (RPS No. 936), under this planning application.

Permission for development. The proposed development will consist of the temporary removal of the eastern stone wall boundary and its subsequent reinstatement upon the completion of construction works on the wider site.