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11, Liffey Way, Liffey Valley Park, Lucan, Co. Dublin, K78 X568

Granted

Planning application SD25B/0590W

Dublin - South Dublin County Council

Proposed Development

The development will consist of altering the existing hip in the side of the main roof to a gable, the construction of a rooflight in the main roof to the front of the house and a window in the new gable at attic level.

View the full application file on the council's planning portal →

Application Timeline

  1. Application received

    9 Oct 2025

  2. Decision: Grant Permission

    20 Nov 2025

  3. Decision due

    3 Dec 2025

  4. Grant issued

    6 Jan 2026

Application Details

Location
11, Liffey Way, Liffey Valley Park, Lucan, Co. Dublin, K78 X568
Applicant
N/A
Application Type
Permission
Planning Authority
South Dublin County Council
Eircode
K78 X568
Site Area
200 ha
Floor Area
8.7 sq m

Timeline

Registration Date
9 October 2025
Status
Final Grant
Decision
Grant Permission
Decision Date
20 November 2025
Grant Date
6 January 2026
Permission Expires
5 January 2031

Location

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Planning Applications Nearby

What the council has granted and refused around this site is the best guide to how a similar application will fare.

0m
SD25B/0549WInvalid - Site Notice15 Sept 2025

The development will consist of altering the existing hip in the side of the main roof to a gable, the construction of a rooflight in the main roof to the front of the house and a window in the new gable at attic level.

11, Liffey Way, Liffey Valley Park, Lucan, Co. Dublin, K78 X568

0m
SD25B/0567WInvalid - Site Notice23 Sept 2025

The development will consist of altering the existing hip in the side of the main roof to a gable, the construction of a rooflight in the main roof to the front of the house and a window in the new gable at attic level.

11, Liffey Way, Liffey Valley Park, Lucan, Co. Dublin, K78 X568

27m
SD02B/0512Refused20 Nov 2002

Garage at side of existing house.

7, Liffey Way, Liffey Park, Lucan, Co Dublin

28m
SD19B/0012Granted6 Dec 2019

(1) Construction of a 2 storey extension, area 63.9sq.m attached to the southwest side of the existing dwelling and projecting to the rear building line of the existing dwelling; (2) construction of a single storey porch extension to the front elevation; (3) reconfiguration and extension of the existing roof at the connection to the proposed roof to the extension; (4) reconfiguration of gable wall of existing dwelling; (5) all associated site development works.

7, Liffey Way, Liffey Valley Park, Lucan, Co. Dublin

32m
SD20B/0091Granted16 Mar 2020

Conversion of existing attic space comprising of modification of existing roof structure; raising of existing gable c/w window and 'Dutch' hip and new access stairs.

16, Liffey Drive, Liffey Valley Park, Lucan, Co. Dublin

67m
SD23B/0202Granted8 May 2023

Planning permission sought to extend the existing ridge line & roof tiles to form new dutch type roof structure; extend the existing gable structure up to soffit level with a window in the new gable structure; conversion of existing attic into a non-habitable area with ventilated rooflights in the existing rear tiled roof; internal alterations; External finishes to match existing

12, Liffey Way, Liffey Valley Park, Lucan, Co. Dublin

67m
ED21/0048Declared Exempt22 Jun 2021

Insulated woodframe workshop/shed on the concrete base for the purposes of storage and hobby workshop.

28, Liffey Close, Liffey Valley Park, Lucan, Co. Dublin, K78 HP52

67m
SD21B/0069Granted19 May 2021

Conversion of attic space to play room and toilet to include construction of vertical extension to gable wall and reallignment of roof; construction of dormer to rear of dwelling; new internal stairs and associated works; all associated works required to construct the works.

34, Liffey Drive, Liffey Valley Park, Lucan, Co. Dublin

67m
SD20B/0462Invalid - Site Notice30 Nov 2020

Conversion of attic space to include raising of existing gable wall and associated portion of roof, installation of stairs and converaion of attic space to playroom and toilet with all associated works including dormer window to rear.

34, Liffey Drive, Liffey Valley Park, Lucan, Co. Dublin

72m
SD20B/0335Granted7 Sept 2020

Conversion of existing attic space comprising: modification of existing roof structure, raising of existing gable c/w window and 'Dutch' hip, new access stairs and flat roof dormer to the rear.

4, Liffey Way, Liffey Valley Park, Lucan, Co. Dublin

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