D26A/0155/WEB: The development will consist of: Alterations to the proposed development permitted under Register Reference No. D24A/0551/WEB. Works include i) the removal of an existing flat roof extension at basement level, ii) removal of existing two storey rear annex structure, iii) construction of a flat roof replacement basement extension with 1 no. roof light, iv) construction of a new rear extension with 1 no. roof light at upper ground floor level, v) construction of a replacement bathroom extension at first floor level, vi) internal modifications and general upgrades, vii) all associated site, landscaping and services works.
18, Northumberland Avenue, Dun Laoghaire, Dublin, A96K793
DecisionGrant permission
Decided03 June 2026
Application typePermission
Source documents4
Site
What is on file
0refusal reasons0conditions8nearby records
Decision details
Core application dates and identifiers from the public planning record.Planning analysis
Refusal reasons and planning conditions extracted from the public decision file.Refusal reasons
No refusal reason on record
Documents are indexed. Reason extraction for Dún Laoghaire–Rathdown is in progress.
Conditions
No conditions
No conditions are on record for this application yet.
Planning a project near 18, Northumberland Avenue, Dun Laoghaire, Dublin, A96K793?
Get the precedent report for this site: every grant and refusal within 5 km, and the planners' reasons. €49 incl. VAT, PDF by email.Source documents
Original council portal records and source PDFs where available.- Planners ReportSource: planningapi.agileapplications.ie / A0155.pdf / Document 5548630Source PDF
- Planners ReportSource: planningapi.agileapplications.ie / A0155.pdf / Document 5556421Source PDF
- ReportsSource: planningapi.agileapplications.ie / D26A 0155 WEB 18 Northumberland Av DLR CM 20260410.docx / Document 5547175Source PDF
- ReportsSource: planningapi.agileapplications.ie / D26A0155 18 Northumberland Avenue Dun Laoghaire Dublin.docx / Document 5547793Source PDF
Nearby precedent
Similar nearby applications linked to this planning decision.- D24A/0551/WEBPlanning permission for 01) Demolition of existing flat roof extension to rear at Basement level, 02) Partial demolition of rear return at Ground Floor level to facilitate proposed extension, 03) General internal alterations to Basement level to facilitate the alteration of existing independently accessed apartment from a two-bed apartment into a one-bed apartment, 04) Proposed new flat roof extension to rear including 4.2sqm at Basement level and 18.7sqm at Ground Floor level, 05) Proposed new roof-light to existing flat roof to South side at Ground Floor level, 06) All ancillary site works. / 0.0 km away / 11 September 2024Granted
- D22A/0706Planning permission is sought for replacement of upvc windows with painted hw sash windows to front elevation, removal of lean-to sheds to rear north boundary wall, alterations to existing rear extension to include increase in ground floor area to north and west, removal of rear extension pitched roof, to be replaced with new first floor extension with flat roofs, new opaque glazed windows to north and south first floor elevations, new velux rooflight to rear pitched main roof, internal alterations and all associated site works. / 0.0 km away / 14 November 2022Granted
- D16A/0768Permission is sought for alterations and additions to include (1) construction o / 0.0 km away / 28 April 2017Granted
- D25A/0943/WEBPermission is sought for the change of use from a multi-occupancy building containing three apartments back to a family home. The development will consist of the construction of a ground floor, single storey extension to rear with flat roof (proposed floor area approx. 23sqm), removal of steel external stairs and walkway to rear, installation of roof light in existing structure, alterations to internal layouts, replacing existing door with a window (side elevation) and all associated site works. / 0.0 km away / 06 February 2026Granted
- D18B/0177Permission for demolition of rear 2 storey return (ca 34 sqm) and replacement / 0.0 km away / 11 June 2018Granted
- D07B/0618A) demolition of existing two storey return to rear, b) raise the existing ridge / 0.0 km away / 30 August 2007Granted
- D02A/0146Redevelopment from existing seven residential units to five / 0.0 km away / 08 July 2002Granted
- D04A/0641(1) Removal of part of existing railings to Northumberland Avenue to provide / 0.0 km away / 05 August 2004Granted