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Protected structure · Co. Dublin

A site which previously formed part of the overall RTE Campus at Montrose, Donnybrook, Dublin 4

Decision due 19 Nov 2026

What and where

~511 homes

Cairn Homes Montrose Limited intendsto apply for Permission for a Large-Scale Residential Development (LRD) at this site, which previously formed part of the overall RTÉ Campus at Montrose, Donnybrook, Dublin 4. The site is located within the Simmonscourt Townland. The site is bounded by the Stillorgan Road (R138), 4A Stillorgan Road, ‘Belville Mews’, ‘Belville Lodge’, ‘Belville House’ to the west and south-west; RTE Campus to the south-east and east; Ailesbury Close and ‘Belville’ to the north-west; and ‘Danesfield’ and ‘Danesfield Lodge’, Seaview Terrace, ‘Ailesbury Court’, and properties along Ailesbury Road to the north and north-east. Mount Errol, a designated protected structure (RPS 7846), is located within the site. The proposed development will amend permitted Large Scale Residential Development (LRD) DCC Ref LRD 6003/22- S3 / ACP Reg. Ref.: 315488-23 (as amended by DCC Reg. Ref. WEBLRD6081/25-S3), which is currently under construction. The proposed amendments will increase the total number of residential units by 1 to 511 no. units. The revised residential mix will now comprise 8 no. studios (no change); 125 no. 1-bed apartments (no change); 328 no. 2-bed apartments (increase by 2 no.) and 50 no. 3-bed apartments (decrease by 1 no.). - Alterations to the external elevation materials, balconies/ terraces, windows, and inclusion of pergolas on Blocks 1 to 4. - Inclusion of a new entrance to Block 4. - Alteration to the unit mix of Block 1 to increase the number of units by 1 (from 20 no. to 21 no. units (20 no. 2 beds and 1 no. 3 bed). - Reduction in size of the permitted ESB Substation and switch room at ground floor of Block 1 and inclusion of a storeroom. - Inclusion of a new substation at ground level between Blocks 7 and 8. All associated works to accommodate the proposed changes, including minor internal amendments to the permitted apartments, and associated ancillary works/ landscaping including widened pedestrian entrance from the Stillorgan Road are included in this application. There is no change to the proposed building height or general scale, footprint and massing of permitted Blocks 1 – 4. The remainder of the permitted development will be delivered as permitted under DCC Ref LRD 6003/22-S3 / ACP Reg. Ref.: 315488-23 (as amended by DCC Reg. Ref. WEBLRD6081/25-S3).

Location
Dublin 4, Co. Dublin Map
Planning reference
WEBLRD9014/26-S3a

Key facts

Homes
~511estimated from the application
Estimated construction value
€110m to €160mOur estimate from stated homes and project type, at January 2026 prices, building works only. Not a stated figure. How we estimate
Project type
Protected structure
Received
25 Sep 2026
Decision due
19 Nov 2026
Protected structure
Yes, RPS 7846

Outlook

What happens next

The council's decision is due on 19 Nov 2026. Building work can only follow a grant of permission.

Work packages named so far

  • Conservation work to a protected structureNamed in the application description
  • Roads and site development worksNamed in the application description

An outlook from the planning record, not a tender or a confirmed start date.

Documents and evidence

Check the record

  • Council planning fileThe application file WEBLRD9014/26-S3a on planning.agileapplications.ie: drawings, reports and the decision.Open the council's file

How we know this

From the Dublin City Council planning register, checked 1 Oct 2026. We link to the council's own file so you can check the official record before you act.

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