InvalidExtensionDecided 20 May 2021

4, Knocklyon Grove, Templeogue, Dublin 16

Attic conversion with a new dormer roof, rooflights, bay windows, and a front porch.

SD21B/0254 · South Dublin County Council · Lodged 5 May 2021

Reference: SD21B/0254
Authority: South Dublin County Council
Register status: In progress
Type: Permission
Received: 5 May 2021
Floor area: 86 m²

Summary

AI-generated

Permission is sought to create additional attic space for a bedroom, bathroom, office, and recreation room by replacing the roof with a new dormer roof. The project also includes front bay windows and a covered front porch.

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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

Create additional attic space containing a bedroom, bathroom, home office and recreation room by replacing the existing roof with a new dormer attic roof complete with two dormers to the rear; a triangular roof light to the front and 4 'velux' rooflights to the front and 3 to the rear of the existing house; 2 bay windows and a covered porch to the front.

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 1 March 2016.

Notified floor area: 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
5 Idrone Park, Knocklyon Wood, Templeogue Dublin 16	Jun 2025	€680,000	127 m
2 Mount Alton Court, Knocklyon, Dublin 16	Jul 2025	€1,225,000	132 m
6 Idrone Dr, Knocklyon, Templeogue Dublin 16	Jul 2025	€575,000	183 m
35 Mount Alton, Knocklyon, Dublin 16	Feb 2025	€595,000	194 m
2 Idrone Close, Knocklyon, Dublin 16	Jan 2025	€800,000	230 m
51 Idrone Dr, Knocklyon, Dublin 16not full market price	Mar 2025	€487,500	280 m
5 Garthy Wood, Knocklyon Rd, Templeogue Dublin 16	Jul 2025	€382,000	285 m
Apt 9 Garthy Wood, Knocklyon Road, Dublin 16	Mar 2026	€403,000	285 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 received5 May 2021
Decision due29 June 2021
Decision issued20 May 2021

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.

Community

Discussion

What local people think about this application.

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Community sentiment

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