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44, Knockcullen Lawn, Knocklyon, Dublin 16, D16 ND86

Granted

Planning application SD25B/0504W

Dublin - South Dublin County Council

Proposed Development

(i) demolition of existing rear extension and shed; (ii) construction of single storey flat roof extension to the rear of existing two storey dwelling with covered patio and flat roof rooflights; (iii) construction of new bay window at first floor level over new extension to the rear of existing dwelling; (iv) new windows; landscaping, SUDS drainage and all associated works necessary to facilitate the development.

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

Application Timeline

  1. Application received

    21 Aug 2025

  2. Decision due

    15 Oct 2025

  3. Decision: Grant Permission

    15 Oct 2025

  4. Grant issued

    25 Nov 2025

Application Details

Location
44, Knockcullen Lawn, Knocklyon, Dublin 16, D16 ND86
Applicant
N/A
Application Type
Permission
Planning Authority
South Dublin County Council
Eircode
D16 ND86
Site Area
370 ha
Floor Area
20.8 sq m

Timeline

Registration Date
21 August 2025
Status
Final Grant
Decision
Grant Permission
Decision Date
15 October 2025
Grant Date
25 November 2025
Permission Expires
24 November 2030

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.

40m
SD22B/0022Granted21 Jan 2022

Front extension of ground floor garage, internal modifications, two storey rear extension maintaining existing ridge line, larger kitchen GF kitchen/dining extension, relocate stairs and add new roof windows.

58, Knockcullen Drive, Dublin 16

53m
SD10B/0138Granted8 Apr 2010

Conversion of existing garage to side of house and erection of extension.

52, Knockcullen Drive, Knocklyon, Dublin 16

53m
SD14B/0267Withdraw the Application3 Nov 2014

Addition of sunroom at rear of house and extension of rear first floor with the addition of a bathroom to rear of house.

52, Knockcullen Drive, Knocklyon, Dublin 16

60m
SD20B/0355Granted23 Sept 2020

Single storey domestic extension with roof light to the rear of existing two storey dwelling house; erection of a converted terrace with outdoor fireplace; external amendments and internal alterations and all associated site works.

51, Knockcullen Drive, Knocklyon, Dublin 16

69m
SD07B/1029Granted21 Dec 2007

Demolition of existing single storey extension and shed, the provision of a single storey extension to the rear and side with velux roof light, single storey porch to the front and general refurbishments.

20, Knockcullen Park, Knocklyon, Dublin 16

73m
SD17B/0105Granted22 Mar 2017

Relocation of the hall door entrance into the centre of the front elevation with canopy over, construction of a new two storey double pitched roof extension to side, consisting of infilling the side passageway and extending previously converted car port at ground level with new playroom, cloakroom, shower room & widened utility (20.69sq.m) with new walk in wardrobe, en-suite and widened rear bedroom (20.23sq.m) while maintaining a 1m wide gap with the adjoining property at first floor level with new frosted window to side elevation and all associated site works.

82, Ashton Avenue, Knocklyon, Dublin 16

73m
SD21B/0256Granted6 May 2021

Widen driveway entrance and dish pavement.

25, Knockcullen Park, Dublin 16

78m
SD02B/0550Granted16 Dec 2002

Single storey extension to rear and conversion of garage to utility/w.c. with pitched roof over.

83, Ashton Avenue, Templeogue, Dublin 16

83m
SD24B/0316WGranted10 Jul 2024

The development will consist of; A) the demolition of the existing single storey garage to the side and the shed to the rear of the existing dwelling; B) the construction of a single storey extension to the side and rear of the existing dwelling and; C) an extension at first floor level to the rear, together with all associated site works.

64, Knockcullen Drive, Dublin 16, D16F7Y9

84m
SD06B/0790Granted23 Oct 2006

Demolition of existing car port & screen and construction of a single storey extension with hipped roof to the side of existing house.

84, Ashton Avenue, Templeogue, Dublin 6W.

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