Planning application · Fingal County Council

Demolition of an existing single storey extension to the rear at 25 Old Navan Road, Castleknock

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

FW26A/0201E · FingalGranted

up to 2 storeys · 0.051 ha · Granted · permission to Aug 2031 (estimate)

Planning application FW26A/0201E to Fingal County Council: Demolition of an existing single storey extension to the rear, at 25 Old Navan Road, Castleknock. Granted by the council on 17 August 2026. The permission normally runs to August 2031 (an estimate: the grant plus five years).

Timeline

  1. Application lodged
  2. Further information requested
  3. Further information received
  4. Council granted
  5. Permission normally ends (estimate)

The end date is an estimate: the grant plus five years, the normal life of a permission. An extension or a commencement changes it.

Key facts

Reference
FW26A/0201E
Planning authority
Fingal County Council
Received
18 May 2026
Decided
17 Aug 2026
Status
Granted
Application type
Extension
Use
Residential
Site area
0.051 ha
Further information requested
16 Jul 2026
Further information received
22 Jul 2026

Proposed development

The development will consist of the demolition of an existing single storey extension to the rear. Its 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.

Planning status

Permission was granted on 17 Aug 2026. The four-week appeal period has passed with no appeal recorded, so the permission is final. Works can start once a commencement notice is lodged; the permission normally runs to Aug 2031 (estimate).

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About this page: the facts above come from the statutory public planning register kept by Fingal County Council and are refreshed weekly (last updated 19 Sept 2026). Applicant names and contact details are not shown. Status labels are PlanningLeads' plain-language reading of the register status and the "Use" label is classified by AI from the public description (see how we use AI); neither is legal advice and the council's file is the record. How we handle this data: privacy notice.

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