One-off house · Co. Dublin

5, Colthurst Close, Lucan, Dublin

Granted 7 Oct 2025 (final grant issued 20 Nov 2025)

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Key facts

  • Planning application SD25B/0500 at 5, Colthurst Close, Lucan, Dublin: Converting the attic space to non-habitable home use.
  • It was received by South Dublin County Council on 18 Aug 2025.
  • Status: Granted 7 Oct 2025 (final grant issued 20 Nov 2025).
  • Work started on site on 17 Mar 2026, according to the commencement notice. It does not say which contractors or suppliers are appointed.

Source: the South Dublin County Council planning register, checked 2 Jun 2026. Open the council's file

More planning applications in Lucan · Planning applications in Co. Dublin

What and where

Converting the attic space to non-habitable home use

The development will consist of Converting the attic space to non-habitable home use, to include a dormer in the rear roof, a new gable window and stair access from the existing upper floor landing area

Location
Lucan, Co. Dublin Map
Planning reference
SD25B/0500

Numbers and dates

Homes
~1estimated from the application
Floor area
18 m²
Project type
One-off house
Received
18 Aug 2025
Decision to grant
7 Oct 2025
Final grant
20 Nov 2025
Site start
17 Mar 2026

Timeline

  1. Application received
  2. Decision to grant
  3. Final grant issued
  4. Site start

Outlook

What happens next

Work started on site on 17 Mar 2026, according to the commencement notice. It does not say which contractors or suppliers are appointed. View the site start

An outlook from the planning record, not a tender or a confirmed start date.

Documents and evidence

Check the record

  • Council planning fileThe application file SD25B/0500 on planning.agileapplications.ie: drawings, reports and the decision.Open the council's file

How we know this

From the South Dublin County Council planning register, checked 2 Jun 2026. We link to the council's own file so you can check the official record before you act.

Site starts

Commencement notices for this permission

  1. 17 Mar 2026Work started · The development will consist of converting the attic to non habitable home use, to...View the site start

A commencement notice tells the council that building work is about to start. A completion certificate is filed when it is finished.

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