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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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22 planning applications match the selected filters.

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2660069

26 Jan 2026

Status: APPLICATION FINALISED

Full Planning Permission for the following: 1.) Demolition works to existing dwelling and domestic garage, 2.) Construction of a new single storey extension to the existing dwellinghouse, 3.) Alterations to all elevations, 4.) Proposed upgrade of existing septic tank system to a tertiary wastewater treatment system and percolation area, together with connections to services and all associated site works

Mayo County Council

Ballinlena Td. , Carrowmore Lacken , Co. Mayo

Application type: PERMISSIONDecision: CONDITIONAL
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2560709

9 Oct 2025

Status: APPLICATION FINALISED

EirGrid PLC, with the consent and approval of the Electricity Supply Board (ESB), intends to apply for permission for works to uprate the existing Cashla - Dalton 110 kV overhead line (OHL). Within County Mayo, the proposed development will take place within the following townlands: DALGAN DEMESNE, POLLBAUN, CARROWBEG WEST, GORTEENS, SEEFIN, BROOKHILL, CARROWMORE, BALLYHANKEEN, RUSHBROOK EAST, BALLYCUSHEEN, SCARDAUN WEST, MILLBROOK, MILFORD DEMESNE, CURRAGHADOOEY, LISDUFF, RATHGRANAGHER (MILLER), DRUMMIN WEST, CARROWBEG EAST, RATHGRANAGHER (LINDSAY), CROSSBOYNE, KILBEG-MALONE, DAVROS, DERRY, CLARE, GREAGHANS, COOLROE, ROOS, LEEDAUN The Cashla - Dalton 110 kV OHL circuit runs through County Galway and County Mayo. It is 57.7 km in length and travels from Cashla 110 kV substation in Barrettspark in central County Galway and traverses northwest to the Dalton 110 kV substation (County Mayo). The OHL has a total of 271no. supporting structures. Within the functional area of Mayo County Council, there is 24.7 km of the existing OHL circuit, with 111no. structures. Within the functional area of Galway County Council there is 33.0 km, with 160no. structures. Separate planning applications will be lodged with Galway County Council. The proposed development within Co. Mayo will comprise: • the replacement (“restringing”) of the existing OHL circuit conductor wires with a new higher capacity conductor between structure no. 160 and Dalton 110 kV substation; • the replacement of angle masts in-situ at 6no. locations, with similar structures; • the strengthening of tower foundations at 2no. locations; • the strengthening of towers (i.e., member replacement) at 6no. locations; • the painting of towers at 7no. locations; • shear block remedial works of a tower at 1no. location; • the replacement of polesets at 83no. locations, with similar structures. The change in structures will result in standardised heights from 16 m to 23 m along the circuit. The majority of the height increases will be between 0.1 m and 2.0 m (at 70no. structures), with 12no. structure replacements resulting in no change in height. Structure no. 263 will increase in height by 7.0m; • the replacement of insulating and ancillary hardware at all structures from structure no. 161 to 271; • the replacement of earthwire between structure no. 261 and structure no. 271; • the replacement of stay wire / anchors and associated fittings at 7no. locations; • the replacement of crossarms at 7

Mayo County Council

Existing Cashla - Dalton 110kV overhead power line , Dalgan Demesne Pollbaun Carrowbeg West Gorteens Seefin Brookhill Carrowmore Ballyhankeen Rushbrook East Ballycusheen Scardaun West Millbrook Milford Demesne Curraghadooey Lisduff Rathgranagher (Mil

Application type: PERMISSIONDecision: CONDITIONAL
View application details

Applications by area

Top Mayo localities in the imported the latest year.

Ballina
Knock
Louisburgh
Claremorris
Carrowmore Lacken
Castlebar
Dalgan Demesne Pollbaun Carrowbeg West Gorteens Seefin Brookhill Carrowmore Ballyhankeen Rushbrook East Ballycusheen Scardaun West Millbrook Milford Demesne Curraghadooey Lisduff Rathgranagher (Mil

Monthly registrations

Recent application volume by registration month.

Aug 20251
Sept 20253
Oct 20253
Nov 20252
Dec 20252
Jan 20261
Feb 20262
Mar 20261
Apr 20263
May 20261
Jul 20263

Areas in Jul 2026

Localities with the most applications in the latest registration month.

Louisburgh
Ballina

Status in Jul 2026

Current status mix for applications registered in the latest month.

NEW APPLICATION
INCOMPLETED APPLICATION

Types in Jul 2026

Most common application types registered in the latest month.

PERMISSION

Planning activity and trends

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

Applications

22

Latest registered

13 Jul 2026

Most active area

Ballina

Most common type

PERMISSION

Latest month apps

3

Month change

+3

Monthly trend

Jul 2026

+2

01223Aug 25Jan 26Jul 26

Area overview

Ballina accounts for 41%

Ballina41%
Knock23%
Louisburgh14%
Claremorris9%
Carrowmore Lacken5%
Castlebar5%

Status mix

APPLICATION FINALISED accounts for 73%

APPLICATION FINALISED73%
FURTHER INFORMATION9%
NEW APPLICATION9%
DECISION MADE5%

Application types

PERMISSION accounts for 95%

PERMISSION95%
PERMISSION CONSEQUENT5%