GrantedExtensionDecided 8 August 2022

9, Knocklyon Avenue, Templeogue, Dublin 16, D16X4C0

Extensive home extensions, attic conversion with dormer windows, and a new detached garden shed in Templeogue.

SD22B/0058 · South Dublin County Council · Lodged 12 July 2022

Reference: SD22B/0058
Authority: South Dublin County Council
Register status: Decided
Type: Permission
Received: 12 July 2022
Floor area: 92.9 m²

Summary

AI-generated

The project includes removing a conservatory and shed to build a new kitchen, utility room, lounge extension, and family room extension. It also features a first-floor extension, a new roof with two dormer windows for an attic bedroom, and a detached garden shed.

Extensionextensionattic conversiondormershed

Generated from the description above by an AI model and may contain mistakes. The council’s description is the authoritative record.

Official record

Development description

(a) the removal of the existing conservatory and the construction of a new 20.5sq. M single storey kitchen; (b) the removal of existing shed to the side of the house and construction of a new 17sq. M boot/utility room; (c) extend the lounge forward into existing porch area, 5.2sq. M with rooflight over; (d) extension of 7.9sq. M to the existing family room/den to the side elevation, south; (e) detached 25sq. M shed in the rear garden. At first floor level: (f) the construction of a new stairs and stair well to the front elevation to roof level with an apex roof and new windows, 4.5sq. M; (g) extension to bedroom 3 on south elevation of 6.3sq. M along with layout changes to all floor levels along with elevational changes to dwelling; (h) removing existing roof and chimney an replacing it with a new roof to include 2 dormer windows, one to the front elevation and one to the rear elevation, clad seamed aluminium and 2 'velux' windows to the rear elevation and providing a new stairs to attic area to include open plan area and bedroom 4 with ensuite; (i) the removal of the existing beech hedge onto knocklyon avenue and leylandii trees to the front garden,replace existing vehicular entrance and add new 2m high electric gates and provide a new pedestrian gate and a new boundary wall 2m high to the front of the house and 2.4 at the rear garden of the house onto knocklyon avenue; (j) all associated site development and drainage works to facilitate the development, ancillary works for foul and surface water to soakaway, bre365 and public drainage systems.

Land-use zoning

What this land is zoned for

RESRS

“To protect and/or improve residential amenity”

National zoning type: Existing residential

Objective set by the South Dublin County Development Plan 2022-2028 (2022–2028). The planning authority decides each application on its own merits — this is the zoning context, not a compliance assessment.

Read the zoning objectives in the development plan

Built & sold

What happened next

Beyond the decision: whether this development was built, and what property here has sold for.

Built — construction complete

A commencement notice records works starting on 24 February 2023. A completion certificate was lodged on 6 March 2024.

Notified floor area: 288.95 m²

2 commencement notices are linked to this development.

Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
4 Knocklyon Avenue, Templeogue, Dublin 16	May 2025	€670,000	58 m
2 Knocklyon Ave, Knocklyon Woods, Dublin 16	Dec 2025	€881,000	67 m
19 Knocklyon Green, Templeogue, Dublin 16	May 2025	€830,000	108 m
60 Knocklyon Green, Templeogue, Dublin 16	Apr 2026	€650,000	144 m
18 Delaford Dr, Knocklyon, Dublin 16	Jul 2026	€655,000	148 m
12 Delaford Park, Dublin 16, Dublin	Nov 2025	€720,000	194 m
35 Mount Alton, Knocklyon, Dublin 16	Feb 2025	€595,000	208 m
35 Knocklyon Park, Knocklyon Woods, Templeogue Dublin 16	Jul 2025	€687,000	212 m

Nearby properties, not this site — a guide to local values.

Sources: Building Control Management System (commencement notices) and the Residential Property Price Register, licensed under CC BY 4.0. Records are matched to this application by location and may not be exhaustive; always confirm against the official source before relying on them.

Key dates

Timeline

Application received12 July 2022
Further information requested7 April 2022
Further information received12 July 2022
Decision due8 August 2022
Decision issued8 August 2022
Grant issued21 September 2022

In the area

Applications near this site

Other planning applications within about 500 m — what else is being proposed or built nearby.

Related developments

Similar applications

Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.

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