InvalidExtensionDecided 11 June 2026

19 Mount Symon Crescent, Clonsilla, Dublin 15, D15 WK8P

Attic conversion with a rear dormer window, roof alterations, and widening of the front driveway in Clonsilla.

FW26A/0218E · Fingal County Council · Lodged 2 June 2026

Reference: FW26A/0218E
Authority: Fingal County Council
Register status: Invalid or incomplete
Type: Permission
Received: 2 June 2026

Summary

AI-generated

The development consists of widening the existing vehicular entrance to 4 metres, altering the roof from a hip to a gable, constructing a rear dormer window, and installing two front rooflights.

Extensionattic conversiondormerdriveway

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

The development will consist of widening the existing vehicular entrance at the front of the property to 4m wide, altering the existing main roof from a hip to a gable, the construction of a dormer window in the main roof to the rear of the house and the provision of two rooflights in the main roof to the front of the house.

Land-use zoning

What this land is zoned for

RS - ResidentialRS

“Provide for residential development and protect and improve residential amenity”

National zoning type: Existing residential

Objective set by the The Fingal Development Plan 2023 – 2029 (2023–2029). 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.

Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
23 Mount Symon Dale, Clonsilla, Dublin 15	Aug 2025	€480,000	83 m
14 Mount Symon Green, Clonsilla, Dublin 15	Oct 2025	€562,000	98 m
17 Mount Symon Green, Clonsilla, Dublin 15not full market price	Apr 2026	€185,000	106 m
8 Stonebridge Dr, Clonsilla, Dublin 15	Jan 2026	€380,000	131 m
49 Stonebridge Ave, Clonsilla, Dublin 15	Jan 2026	€400,000	138 m
74 Allendale Sq, Clonsilla, Dublin 15	May 2025	€347,000	155 m
78 Allendale Sq, Clonsilla, Dublin 15	Dec 2025	€362,500	155 m
33 Mount Symon Green, Clonsilla, Dublin 15	Jun 2025	€521,000	167 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 received2 June 2026
Decision due27 July 2026
Decision issued11 June 2026

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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