InvalidExtensionDecided 14 May 2026

25 Old Navan Road, Castleknock, Dublin 15, D15 E8YR

Demolition of a rear extension to build a two-storey rear extension, garage conversion, and garden building in Castleknock.

FW26A/0193E · Fingal County Council · Lodged 9 May 2026

Reference: FW26A/0193E
Authority: Fingal County Council
Register status: Invalid or incomplete
Type: Permission
Received: 9 May 2026

Summary

AI-generated

The project involves demolishing an existing single-storey rear extension and replacing it with a two-storey rear extension. It also includes converting the garage with an extension above, adding an ancillary garden building, and widening the vehicular entrance.

Extensionextensiongarage conversiondemolition

Storeys: 2

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 demolition of an existing single storey extension to the rear. It's replacement with a two storey rear extension, the conversion of an existing garage and extension above with return to front facade & entry canopy. Addition of ancillary building in the rear garden, vehicular entry widening & combined bicycle-bin storage in the front garden & associated works.

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
21 Old Navan Road, Blanchardstown, Dublin 15	Oct 2025	€807,000	44 m
20 Woods End, River Rd, Castleknock Dublin 15	May 2026	€415,000	73 m
11 Woods End, River Rd, Castleknock Dublin 15	Feb 2026	€141,800	101 m
32 Woodpark, Castleknock, Dublin 15	Aug 2025	€999,000	103 m
Beechgrove, Castleknock Rd, Dublin 15	Jun 2026	€820,000	106 m
15 Talbot Downs, Castleknock, Dublin 15	Apr 2025	€590,000	147 m
5 Talbot Downs, Navan Rd, Dublin 15	Sept 2025	€425,000	155 m
61 Woodpark, Castleknock, Dublin 15	Jul 2025	€920,000	164 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 received9 May 2026
Decision due7 July 2026
Decision issued14 May 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

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Community

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