← Back to search

5a, Knocklyon Ave, Knocklyon, DUBLIN 16

Granted

Planning application SD25B/0433W

Dublin - South Dublin County Council

Proposed Development

alterations to previously approved planning application Reg Ref No. SD24A/0034. The proposed alterations affect House B (5A Knocklyon Ave) of the previous application to include a 1st floor extension to the side (circa 6 Sq/M) & a single storey extension to the rear (circa 3 Sq/M) & all associated works

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

Application Timeline

  1. Application received

    7 Jul 2025

  2. Decision due

    1 Sept 2025

  3. Decision: Grant Permission

    1 Sept 2025

  4. Grant issued

    14 Oct 2025

Application Details

Location
5a, Knocklyon Ave, Knocklyon, DUBLIN 16
Applicant
N/A
Application Type
Permission
Planning Authority
South Dublin County Council
Eircode
DUBLIN 16
Site Area
200 ha
Floor Area
35 sq m

Timeline

Registration Date
7 July 2025
Status
Final Grant
Decision
Grant Permission
Decision Date
1 September 2025
Grant Date
14 October 2025
Permission Expires
13 October 2030

Location

Loading map...

Planning Applications Nearby

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

5m
SD17B/0239Granted6 Jul 2017

Internal and external alterations and extension to the existing property comprising: (1) alterations to the roof incorporating new hip roof on east and west elevation, (2) part first floor extension over existing garage on the east side of the property, (3) new 1.800mm rendered block boundary wall to west of the site, (4) change of use of part ground floor from doctors surgery to residential use, (5) all associated landscaping and site works.

5, Knocklyon Avenue, Knocklyon Wood, Dublin 16

5m
SD20B/0108Grant Permission & Refuse Permission25 Mar 2020

Retention for access gates to rear and side of house; rendered finish to single storey extension to front elevation in replacement of brick; zinc cladding on pitched roof over front single storey extension and all associated site works.

5, Knocklyon Avenue, Dublin 16

5m
SD24A/0034Grant Permission & Grant Retention30 Sept 2024

Retention permission for the sub-division of the existing dwelling into 2 separate dwellings & for permission for a single storey ground floor extension to the side & new roof lights to west elevation. The completed development will consist of a 3 bedroom house (circa 164 Sq/m) & a 2 bedroom house (circa 101 Sq/m). The development involves relocation the existing vehicular entrance at the side with new pavement dish, alterations to the front to create a new vehicular entrance & pavement dish & all associated works.

5, Knocklyon Avenue, Knocklyon, Dublin 16

11m
SD21A/0072Refused26 Mar 2021

Two storey, two bedroom dwelling to the rear with a vehicular entrance and footpath dishing; associated changes to boundary wall to accommodate same and associated site works.

5, Knocklyon Avenue, Dublin 16

22m
SD21B/0649Granted10 Mar 2022

Alterations to existing house to include a ground floor extension to rear & side; first floor extension to side, new roof to include attic conversion with dormer windows to front & rear and associated site works.

3, Knocklyon Avenue, Dublin 16

34m
SD03B/0485Grant Permission for Retention9 Feb 2004

Pedestrian access gate to the north near the front entrance door.

34, Delaford Drive, Knocklyon, Dublin 16

35m
SD19A/0325Granted17 Oct 2019

Detached two storey, three bedroom house with shared entrance to side.

23, Delaford Lawn, Knocklyon, Dublin 16

36m
SD04A/0704Granted28 Jun 2005

To demolish part of the extension to side and for proposed two storey detached house to side with new vehicular access and ancillary site works.

23, Delaford Lawn, Knocklyon, Dublin 16

36m
SD18A/0371Refused12 Dec 2018

Demolish part of extension to side and construct two storey detached house and vehicular entrance to side.

23, Delaford Lawn, Knocklyon, Dublin 16

36m
SD10A/0357/EPGrant Extension of Duration of Permission11 Sept 2015

Two storey detached house and new vehicular entrance.

23, Delaford Lawn, Knocklyon, Dublin 16

Planning a project of your own?

Find out in two minutes whether you need planning permission. It's free, and based on the exempted development regulations.

Do I Need Permission?