Infrastructure · Co. Mayo

Abbvie, Castlebar Road (N5), Carrowbeg, Westport, Co. Mayo, F28 AW83

Decision due 26 Nov 2026

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Key facts

  • Planning application 2660771 at Abbvie, Castlebar Road (N5), Carrowbeg, Westport, Co. Mayo, F28 AW83: Development will consist of.
  • The applicant is Abbvie Allergan. The agent is Conor McComb.
  • It was received by Mayo County Council on 2 Oct 2026.
  • Status: Decision due 26 Nov 2026.
  • The council's decision is due on 26 Nov 2026. Building work can only follow a grant of permission.

Source: the Mayo County Council planning register, checked 18 Oct 2026. Open the council's file

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What and where

Development will consist of

The development will consist of: 1) Revised Firewater Retention (FWR) Tank and Balance Tank, including construction of a reshaped open top concrete tank (approx. 50 m × 56 m with a chamfered corner), depths of 4.0–6.25 m, partially recessed into the ground, and raised to a revised top of wall level of 45.675 m AOD with max height above ground level of 4.275m. An internal 18.6 m diameter, 1,000 m³ process water balance tank will be constructed within the FWR tank with max height above ground level of 4.275m; 2) Repositioning of a new below ground FWR collection sump and a 20 m × 10 m × 4.4 m high lifting station, pumping firewater over the tank wall, together with associated firewater drainage connections; 3) Repositioning of a new single storey FWR Utilities Building, approx. 9.6 m × 7.3 m and 4.72 m high; 4) A new 10 m × 5 m x 3.8m high Dosing Station with two external tanks; 5) A new below ground Discharge Chamber, approx. 13 m × 3 m, for controlled diversion and management of firewater runoff; 6) A new below ground Tanker Parking Bay, approx. 13.5 m × 3.5 m, for compliant tanker loading/unloading; and 7) All associated site development works, including modifications to existing plant, equipment, pipe bridges, underground services, internal access roads, footpaths, hardstanding areas, lay down areas, and external lighting.

Location
Westport, Co. Mayo Map
Planning reference
2660771
Application type
Permission
Applicant
Abbvie Allergan
Agent
Conor McComb
Council planning fileGet alerts

Numbers and dates

Project type
Infrastructure
Received
2 Oct 2026
Decision due
26 Nov 2026

Outlook

What happens next

The council's decision is due on 26 Nov 2026. Building work can only follow a grant of permission.

Work packages named so far

  • Roads and site development worksNamed in the application description
  • Services and drainageNamed in the application description

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 2660771 on eplanning.ie: drawings, reports and the decision.Open the council's file

How we know this

From the Mayo County Council planning register, checked 18 Oct 2026. We link to the council's own file so you can check the official record before you act.

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