Planning in Ireland

Mayo planning applications

Search the latest year of Mayo County Council planning applications by location, reference, development, applicant or status.

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102 planning applications match the selected filters.

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2660310

17 Apr 2026

Status: APPLICATION FINALISED

Replacement dwelling house in lieu of existing bungalow dwelling house and to build a new additional dwelling house on a half acre site adjacent with connection of both houses to the public sewer and public water supply with all ancillary site works and landscaping works

Mayo County Council

Sheean , Westport , Co. Mayo

Application type: OUTLINE PERMISSIONDecision: REFUSED

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2660287

13 Apr 2026

Status: APPLICATION FINALISED

Renovation and extension of existing property together with all ancillary site works.

Mayo County Council

6 Uisce Saol , Money , Westport Co. Mayo

Application type: PERMISSIONDecision: CONDITIONAL

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2660280

9 Apr 2026

Status: APPLICATION FINALISED

Permission for development at Kilsallagh Lower, Westport, Co. Mayo. The proposed development will consist of the construction of a dwelling with proprietary wastewater treatment system, percolation area and all associated site works.

Mayo County Council

Kilsallagh Lower , Westport , Co. Mayo

Application type: PERMISSIONDecision: REFUSED

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2673

7 Apr 2026

Status: APPLICATION FINALISED

retention of 2 no. skylights and construction of a porch and minor alterations to existing dwelling house with all ancillary and associated site works, services and landscaping

Mayo County Council

The Haven , Carrowbaun , Westport

Application type: PERMISSIONDecision: CONDITIONAL

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2660262

7 Apr 2026

Status: APPLICATION FINALISED

To Construct A First Floor Extension To The Rear Of Existing Dwelling House, Together With All Site Services At The White House, Fairgreen, Westport, Co. Mayo. F28 DC84

Mayo County Council

The White House , Fairgreen , Westport Co. Mayo

Application type: PERMISSIONDecision: CONDITIONAL

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2660243

31 Mar 2026

Status: APPLICATION FINALISED

PLANNING PERMISSION FOR THE RETENTION OF A DOMESTIC SHED TO THE REAR OF DELLING HOUSE, TOGETHER WITH ALL SITE SERVICES

Mayo County Council

Owenwee , Westport , County Mayo

Application type: RETENTIONDecision: CONDITIONAL

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2661

27 Mar 2026

Status: APPLICATION FINALISED

construction of a 4 bay cattle slatted shed with underground slurry storage tank together with cattle crush, dry storage area and all associated site works

Mayo County Council

Coolbarreen , Westport , Co. Mayo

Application type: PERMISSIONDecision: CONDITIONAL

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2660230

26 Mar 2026

Status: APPLICATION FINALISED

Alterations and extensions to existing family dwelling house with associated siteworks and landscaping.

Mayo County Council

Slaugar , Westport , Co Mayo

Application type: PERMISSIONDecision: CONDITIONAL

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2660225

25 Mar 2026

Status: APPLICATION FINALISED

Demolish existing sunroom, construct new 2-storey rear extension, remove existing dormer windows at first floor level and replace with new velux rooflights and carry out minor elevational alterations to existing dormer dwelling. Works to include the creation of a new entrance driveway from the Knockranny village road.

Mayo County Council

Buckwaria Lodge Buckwaria , Westport , Co. Mayo

Application type: PERMISSIONDecision: CONDITIONAL

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2660

23 Mar 2026

Status: APPLICATION FINALISED

construct an extension and alterations to existing dwelling house together with associated site services

Mayo County Council

2 McNeela Terrace , Cloonmonad , Westport

Application type: PERMISSIONDecision: CONDITIONAL

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2653

16 Mar 2026

Status: APPLICATION FINALISED

construct vehicular access/entrance gate to existing dwelling house together with associated site services

Mayo County Council

Deerpark East , Westport

Application type: PERMISSIONDecision: CONDITIONAL

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2648

10 Mar 2026

Status: APPLICATION FINALISED

construction of a dwelling house, domestic garage, proprietary treatment unit and percolation area and all ancillary site works

Mayo County Council

Slinaunroe , Clogher , Westport

Application type: PERMISSIONDecision: REFUSED

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2660169

3 Mar 2026

Status: APPLICATION FINALISED

Retention permission application to Mayo County Council for the following: First Floor of existing dwelling, along with all associated site works at No. 14 Pairc na Coille, Westport, Co. Mayo F28 Y793.

Mayo County Council

No. 14 Pairc na Coille , Westport , Co. Mayo

Application type: RETENTIONDecision: CONDITIONAL

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2660161

2 Mar 2026

Status: APPLICATION FINALISED

PLANNING PERMISSION TO CONSTRUCT A NEW PROPRIETARY EFFLUENT TREATMENT UNIT AND ASSOCIATED PERCOLATION AREA/POLISHING FILTER TO REPLACE EXISTING SEPTIC TANK

Mayo County Council

CASTLEHILL BALLYCROY , Westport , County May0

Application type: PERMISSIONDecision: CONDITIONAL

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2642

24 Feb 2026

Status: APPLICATION FINALISED

retain, complete and extend partically constructed dwelling house for use ancilllary to Westport Country Lodge Hotel, install effluent treatment system and percolation area, together with associated site works on lands, previous planning reference P16/910 refers

Mayo County Council

Knockroosky/Deerpark , Westport , Co. Mayo

Application type: PERMISSIONDecision: CONDITIONAL

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2641

23 Feb 2026

Status: APPLICATION FINALISED

construct dwelling house and domestic garage with connection to effluent treatment system and percolation area together with associated site services

Mayo County Council

Derrygorman , Westport , Co. Mayo

Application type: PERMISSIONDecision: CONDITIONAL

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2640

23 Feb 2026

Status: APPLICATION FINALISED

retain, complete and extend partially constructed dwelling house for use ancillary to Westport Country Lodge Hotel, install effluent treatment system and percolation area together with associated site works . Previous planning reference P16/875 refers.

Mayo County Council

Knockroosky/Deerpark , Westport , Co. Mayo

Application type: PERMISSIONDecision: CONDITIONAL

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2638

23 Feb 2026

Status: APPLICATION FINALISED

construct dwelling house and domestic garage with connection to effluent treatment system services together with associated site services

Mayo County Council

Westport Demesne , Carrowholly , Westport

Application type: PERMISSIONDecision: CONDITIONAL

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2630

11 Feb 2026

Status: APPLICATION FINALISED

construct access road, dwelling house, septic tank/proprietary effluent treatment unit and percolation area including all ancillary site work and services

Mayo County Council

Lettereen , Knappagh Beg , Westport

Application type: PERMISSIONDecision: CONDITIONAL

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2660094

6 Feb 2026

Status: APPLICATION FINALISED

The development will consist of restoration and extension of derelict cottage, restoration of the roof, addition of roof lights, proprietary effluent treatment plant and all associated works.

Mayo County Council

Tawnyemon Cogaula , Westport , Co. Mayo

Application type: PERMISSIONDecision: CONDITIONAL

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2626

5 Feb 2026

Status: APPLICATION FINALISED

carry out alterations to front elevation with extensions to existing dwelling along with all necessary site works and ancillaries

Mayo County Council

Brackloon , Westport , Co. Mayo

Application type: PERMISSIONDecision: CONDITIONAL

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2660085

30 Jan 2026

Status: APPLICATION FINALISED

Alterations and extension to existing family dwelling house with associated site works and landscaping

Mayo County Council

Ri Rua , Cogaula Sheean , Westport Co Mayo

Application type: PERMISSIONDecision: CONDITIONAL

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2660081

30 Jan 2026

Status: APPLICATION FINALISED

The development will consist of 1.) the demolition of existing dwelling house, 2.) construction of new replacement dwelling house and 3.) installation of effluent treatment system together with all ancillary site works.

Mayo County Council

Kilsallagh Lower , Westport , Co. Mayo

Application type: PERMISSIONDecision: CONDITIONAL

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2614

29 Jan 2026

Status: APPLICATION FINALISED

construction of a new dwelling house and access drive and installation of new domestic waste water treatment system and all ancillary site works

Mayo County Council

Lackaun , Aghagower , Westport

Application type: PERMISSIONDecision: REFUSED

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2660076

28 Jan 2026

Status: APPLICATION FINALISED

renovation & extension of the existing dwelling house and construction of domestic garage together with all ancillary site works.

Mayo County Council

1 Saint Patricks Terrace , Westport , Co. Mayo

Application type: PERMISSIONDecision: CONDITIONAL

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Applications by area

Top Mayo localities in the imported the latest year.

Westport95

Castlebar2

County May02

Altamount Street Westport1

Knockroosky Westport1

Quay Road Westport1

Monthly registrations

Recent application volume by registration month.

Aug 202510

Sept 202517

Oct 202511

Nov 202521

Dec 202514

Jan 20268

Feb 20267

Mar 20269

Apr 20265

Areas in Apr 2026

Localities with the most applications in the latest registration month.

Westport5

Status in Apr 2026

Current status mix for applications registered in the latest month.

APPLICATION FINALISED5

Types in Apr 2026

Most common application types registered in the latest month.

PERMISSION4

OUTLINE PERMISSION1

Planning activity and trends

Based on the latest 12 months of imported planning data for this council.

Applications

102

Latest registered

17 Apr 2026

Most active area

Westport

Most common type

PERMISSION

Latest month apps

Month change

-4

Monthly trend

Apr 2026

-4

Area overview

Westport accounts for 93%

Westport93%

Castlebar2%

County May02%

Altamount Street Westport1%

Knockroosky Westport1%

Quay Road Westport1%

Westport93%

Castlebar2%

County May02%

Altamount Street Westport1%

Knockroosky Westport1%

Quay Road Westport1%

Status mix

APPLICATION FINALISED accounts for 100%

APPLICATION FINALISED100%

Application types

PERMISSION accounts for 85%

PERMISSION85%

RETENTION14%

OUTLINE PERMISSION1%