Infrastructure › Mayo
Can it be built in Mayo?
Water, electricity, planning and housing starts in Mayo, from the operators' own registers.
In Mayo, 2 of 44 settlements have no spare wastewater capacity and 5 have limited capacity; 7 of 32 substations show no spare demand capacity; 679 homes were started in the past 12 months (4.9 per 1,000 people).
25th of 26 by share of settlements at red24th of 26 by share of constrained substations13th of 26 by homes started per 1,000 people
Wastewater2 red · 5 amberof 44 settlements; 4 with upgrades planned or underwayElectricity22% constrained7 of 32 substations with no spare demand capacityPlanning, 12 months1,354 applications227 homes granted · refusal rate 6.7%Homes started, 12 months679+69.3% on the year · 4.9 per 1,000 peopleMedian home price€240k1,257 sales in 12 months
Wastewater capacity
| Settlement | Plant | Capacity | Upgrade |
|---|---|---|---|
| Ballyhaunis | Ballyhaunis WWTP | Red | Yes |
| Newport | ‐ | Red | Yes |
| Balla | Balla WWTP | Amber | |
| Ballindine | Ballindine WWTP | Amber | |
| Doogort | Doogort WWTP | Amber | Yes |
| Keel-Dooagh | Achill Island Central WWTP | Amber | |
| Louisburgh | Louisbourgh WWTP | Amber | |
| Aghagower | Aghagower WWTP | Green | |
| Ballina | Ballina (Mayo) WWTP | Green | |
| Ballinrobe | Ballinrobe WTTP | Green | |
| Ballycastle | Ballycastle WWTP | Green | |
| Ballycroy | Ballycroy WWTP | Green | |
| Bangor Erris | Bangor Erris WWTP | Green | |
| Belcarra | Belcarra WWTP | Green | |
| Bellavary | Bellavary WWTP | Green | |
| Bohola | Bohola WWTP | Green | |
| Bunnyconnellan | Bunnyconnellan WWTP | Green | |
| Béal An Mhuirthead | Belmullet WWTP | Green | |
| Castlebar | Castlebar WWTP | Green | |
| Charlestown-Bellahy | Charlestown WWTP | Green | |
| Claremorris | Claremorris WWTP | Green | Yes |
| Conga | Cong WWTP | Green | |
| Crossmolina | Crossmolina WWTP | Green | |
| Foxford | Foxford WWTP | Green | |
| Gob An Choire | Achill Sound WWTP | Green | |
| Gweesalia | Gweesalia WWTP | Green | |
| Hollymount | Hollymount WWTP | Green | |
| Irishtown | Irishtown WWTP | Green | |
| Kilkelly | Kilkelly WWTP | Green | |
| Killala | Killala WWTP | Green | |
| Kilmaine | Kilmaine WWTP | Green | |
| Kilmovee | Kilmovee WWTP | Green | |
| Kiltimagh | Kiltimagh WWTP | Green | |
| Knock | Knock WWTP | Green | |
| Lahardane | Lahardane WWTP | Green | |
| Moygawnagh | Moygawnagh WWTP | Green | |
| Mulranny | Mallaranny WWTP | Green | |
| Old Head | Old Head WWTP | Green | |
| Roundfort | Roundfort WWTP | Green | |
| Shrule | Shrule WWTP | Green | |
| Swinford | Swinford WWTP | Green | |
| Toormakeady | Toormakeady WWTP | Green | |
| Turlough | Turlough WWTP | Green | |
| Westport | Westport WWTP | Green |
Electricity substations
Spare demand capacityNone
| Substation | Class | Demand MVA | Gen MW |
|---|---|---|---|
| BALLINROBE (238000) 38 kV STATION | MV | 0.0 | 12.1 |
| BALLYHAUNIS (368000) 38 kV STATION | MV | 0.0 | 6.3 |
| CHARLESTOWN (078000) 38 kV STATION | MV | 0.0 | 2.3 |
| DALTON (909000) 110 kV STATION | MV | 0.0 | 2.7 |
| DALTON (909000) 110 kV STATION | 38 kV | 0.0 | 17.0 |
| KNOCKAPHUNTA (979000) 38 kV STATION | MV | 0.0 | 0.0 |
| WINDSOR (608000) 38 kV STATION | MV | 0.0 | 0.0 |
| ACHILL (495000) 38 kV STATION | MV | 1.5 | 4.4 |
| ARDNAREE (089000) 38 kV STATION | MV | 9.1 | 12.0 |
| BANGOR ERRIS (206000) 38 kV STATION | MV | 2.8 | 4.9 |
| BELLACORICK (896000) 110 kV STATION | 38 kV | 51.8 | 14.6 |
| BELLACORICK (896000) 110 kV STATION | MV | 7.6 | 0.0 |
| BELMULLET (500000) 38 kV STATION | MV | 1.6 | 0.0 |
| CARROWBEG (699000) 110 kV STATION | MV | 7.3 | 12.3 |
| CARROWBEG (699000) 110 kV STATION | MV | 3.0 | 12.1 |
| CARROWBEG (699000) 110 kV STATION | 38 kV | 7.9 | 30.1 |
| CASTLEBAR (520000) 110 kV STATION | 38 kV | 25.0 | 0.0 |
| CONG (590000) 38 kV STATION | MV | 1.4 | 6.3 |
| CROSSMOLINA (220000) 38 kV STATION | MV | 1.4 | 2.1 |
| DALTON (909000) 110 kV STATION | 38 kV | 56.5 | 12.6 |
| GLENREE (894000) 110 kV STATION | MV | 17.7 | 2.2 |
| GLENREE (894000) 110 kV STATION | 38 kV | 56.0 | 0.0 |
| KILTIMAGH (349000) 38 kV STATION | MV | 2.4 | 0.0 |
| MOY (774000) 110 kV STATION | MV | 2.3 | 7.5 |
| MOY (774000) 110 kV STATION | 38 kV | 13.0 | 20.0 |
| NEWPORT (260000) 38 kV STATION | MV | 1.7 | 3.5 |
| RAHANS (461000) 38 kV STATION | MV | 0.7 | 5.5 |
| SWINFORD (043000) 38 kV STATION | MV | 0.4 | 0.0 |
| TAWNAGHMORE (952000) 110 kV STATION | 38 kV | 26.8 | 0.1 |
| TURLOUGH ROAD (042000) 38 kV STATION | MV | 1.9 | 0.0 |
| TURLOUGH ROAD (042000) 38 kV STATION | MV | 1.5 | 0.0 |
| WESTPORT (116000) 38 kV STATION | MV | 8.1 | 0.0 |
Planning
Applications lodged in Mayo, data to 27 Oct 2026. Median decision time 60 days.
By town (within ~3 km)
| Town | Applications (12m) | Homes granted | One-off houses |
|---|---|---|---|
| Ballina | 86 | 13 | 0 |
| Westport | 85 | 16 | 0 |
| Castlebar | 70 | 6 | 0 |
| Claremorris | 35 | 3 | 0 |
| Kiltimagh | 26 | 6 | 0 |
| Ballinrobe | 22 | 11 | 0 |
| Ballyhaunis | 20 | 0 | 0 |
| Foxford | 20 | 2 | 0 |
| Bunnyconnellan | 18 | 3 | 0 |
| Crossmolina | 18 | 5 | 0 |
| Belmullet | 17 | 2 | 0 |
| Keel-Dooagh | 16 | 3 | 0 |
| Killala | 16 | 3 | 0 |
| Swinford | 16 | 0 | 0 |
| Charlestown | 15 | 5 | 1 |
| Knock | 15 | 1 | 0 |
| Ballindine | 14 | 1 | 0 |
| Louisburgh | 14 | 2 | 0 |
| Cong | 13 | 4 | 0 |
| Kilkelly | 13 | 0 | 0 |
| Newport | 13 | 1 | 0 |
| Bohola | 11 | 0 | 0 |
| Shrule | 11 | 6 | 1 |
| Turlough | 11 | 3 | 0 |
| Bellavary | 10 | 3 | 0 |
| Lahardane | 10 | 1 | 0 |
| Ballintubber | 9 | 0 | 0 |
| Belcarra | 9 | 1 | 0 |
| Kilmaine | 9 | 1 | 0 |
| Balla | 8 | 12 | 0 |
| Cross | 8 | 0 | 0 |
| Gob An Choire | 8 | 0 | 0 |
| Irishtown | 8 | 2 | 0 |
| Ballaghaderreen | 6 | 1 | 1 |
| Bangor Erris | 6 | 1 | 0 |
| Doogort | 6 | 2 | 0 |
| Glencorrib | 6 | 2 | 0 |
| Hollymount | 6 | 2 | 0 |
| Roundfort | 6 | 2 | 0 |
| Achill | 5 | 0 | 0 |
Large schemes (50+ homes)
61 homes · Garryduff , Castlebar , Co. MayoGranted
Full Planning Permission for the construction of 61 no. residential units consisting of 17 No. two storey detached houses, 24 no. two-storey semi-detached houses and 20 no. two storey terraced houses , providing for 6 no. two bedroom units, 14 no. three bedroom units and 41 no. four bedroom units on completion, together with the continuation of the new internal access road from the adjacent develo
ref 2560723 · lodged 16 Oct 2025 · council file
52 homes · Carrowbaun , Westport , County MayoGranted
The development will consist of the construction of 97 residential units consisting of: 19 detached housing units (4-bed), 33 terraced housing units (2, 3 & 4-bed), 9 own-door apartments (1 & 2-bed), 18 ground floor terraced own-door apartments (2-bed) and 18 own-door terraced duplex apartments (3-bed), creche / shell-space community building, new site access points (vehicular and pedestrian), sit
ref 2560648 · lodged 19 Sep 2025 · council file
Housing starts
Public projects in Mayo
| Project | Stage | Cost | Department |
|---|---|---|---|
| Oweninny Wind Farm Project (Phase 1) | 5. Post Completion Review and Benefits Realisation | – | Bord na Móna/ESB |
| Ballinrobe Primary Care Centre | 5. Post Completion Review and Benefits Realisation | – | Department of Health |
| Claremorris Primary Care Centre | 5. Post Completion Review and Benefits Realisation | – | Department of Health |
| Westport Primary Care Centre | 5. Post Completion Review and Benefits Realisation | – | Department of Health |
| Ballinrobe Regeneration | 4. Implementation | – | Mayo County Council |
| Tourism Experiences | 5. Post Completion Review and Benefits Realisation | – | Mayo County Council |
| Libraries Capital Programme - Westport Library | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Mayo County Council |
| Clew Bay Greenway Project | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Mayo County Council |
| Cycle Network | 5. Post Completion Review and Benefits Realisation | – | Mayo County Council |
| Claremorris Indoor Sports Facility | 5. Post Completion Review and Benefits Realisation | – | Sligo LEADER Partnership CLG |
| N5 Westport to Turlough | 5. Post Completion Review and Benefits Realisation | – | Department of Transport |
| SOLAS Visitor Centre | 5. Post Completion Review and Benefits Realisation | – | Údarás na Gaeltachta |
| Rehins Fort, Ballina | 5. Post Completion Review and Benefits Realisation | – | Department of Housing, Local Government and Heritage |
| Kilkelly Road, Swinford | 5. Post Completion Review and Benefits Realisation | – | Department of Housing, Local Government and Heritage |
| Ballyhaunis Community Vision | 5. Post Completion Review and Benefits Realisation | – | Mayo County Council |
| Newport Regeneration Project | 4. Implementation | – | Mayo County Council |
| Sacred Heart Hospital, Castlebar | 5. Post Completion Review and Benefits Realisation | – | Department of Health |
| St Augustine's, Community Nursing Unit Ballina | 5. Post Completion Review and Benefits Realisation | – | Department of Health |
| The Mac Bride Community Nursing Unit, Westport | 5. Post Completion Review and Benefits Realisation | – | Department of Health |
| D'Alton Community Nursing Unit, Claremorris | 5. Post Completion Review and Benefits Realisation | – | Department of Health |
| Áras Deirbhile Community Nursing, Belmullet | 5. Post Completion Review and Benefits Realisation | – | Department of Health |
| St Fionnan's Community Nursing Unit, Achill | 5. Post Completion Review and Benefits Realisation | – | Department of Health |
| Crossmolina Flood Relief Scheme | 4. Implementation | – | Office of Public Works |
| GTeic Hubs - Location #6 of 6 - Belmullet | 5. Post Completion Review and Benefits Realisation | – | Údarás na Gaeltachta |
| Mayo University Hospital Emergency Department and Medical Assessment Unit | 1. Strategic Assessment and Preliminary Business Case | – | Department of Health |
| Phase 1 Regeneration of Sisters of Mercy Convent Site and Adjacent Lands | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Mayo County Council |
| Castlebar Urban Greenway Link | 5. Post Completion Review and Benefits Realisation | – | Mayo County Council |
| Castlebar Military Barracks | 5. Post Completion Review and Benefits Realisation | – | Mayo County Council |
| Ballina Innovation Quarter | 5. Post Completion Review and Benefits Realisation | – | Mayo County Council |
| Castlebar Historic Core | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Mayo County Council |
| Castlebar Military Barracks 2 | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Mayo County Council |
| DigiWest - Location #1 of 4 - Swinford | 5. Post Completion Review and Benefits Realisation | – | Western Development Commission |
| GTeic Hubs - Location #5 of 6 - Achill | 5. Post Completion Review and Benefits Realisation | – | Údarás na Gaeltachta |
| GTeic Hubs - Location #4 of 6 - Gaoth Sáile | 5. Post Completion Review and Benefits Realisation | – | Údarás na Gaeltachta |
| GTeic Hubs - Location #3 of 6 - Eachleim | 5. Post Completion Review and Benefits Realisation | – | Údarás na Gaeltachta |
| GTeic Hubs - Location #2 of 6 - Greannaí | 5. Post Completion Review and Benefits Realisation | – | Údarás na Gaeltachta |
| St. Mary's Secondary School, Ballina, Co. Mayo - 64520M | 5. Post Completion Review and Benefits Realisation | – | Department of Education |
| National Parks - Location #4 of 8 - Ballycroy | 5. Post Completion Review and Benefits Realisation | – | Department of Housing, Local Government and Heritage |
| Ireland’s National Parks - Location #3 of 6 - Ballycroy | 5. Post Completion Review and Benefits Realisation | – | Department of Housing, Local Government and Heritage |
| GTeic Hubs - Location #1 of 6 - Tourmakeady | 5. Post Completion Review and Benefits Realisation | – | Údarás na Gaeltachta |
| Clew Bay Greenway - Achill Sound and Extension to Bunacurry | 4. Implementation | – | Department of Transport |
| Ballina Castlebar and Westport Interurban Greenway - Viaduct, Westport - Moy Cycle Br. Ballina | 1. Strategic Assessment and Preliminary Business Case | – | Department of Transport |
| Ballina-Castlebar-Westport Interurban Greenway (BCWIG) | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Department of Transport |
| Ballinrobe Community Arts and Amenity Centre - Regeneration of the iconic Valkenburg complex | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | South West Mayo Development Company CLG |
| Newport Regeneration | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Mayo County Council |
| Oweninny Wind Farm Project (Phase 2) | 5. Post Completion Review and Benefits Realisation | – | Bord na Móna/ESB |
| Turlough Road, Castlebar | 4. Implementation | – | Department of Housing, Local Government and Heritage |
| Cheshire Homes Site, Ballina, Co. Mayo | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Department of Housing, Local Government and Heritage |
| Duffy's Bakery, Ballina | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Department of Housing, Local Government and Heritage |
| Golf Course Road, Westport | 5. Post Completion Review and Benefits Realisation | – | Department of Housing, Local Government and Heritage |
| Ballina Flood Relief Scheme | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Mayo County Council |
| Castlebar Urban Greenway Link - Phase 1; Greenway Link From Bridge St., Military Barracks & Springfield | 5. Post Completion Review and Benefits Realisation | – | Mayo County Council |
| Castlebar Urban Greenway Link - Phase 2; Lower Charles St., Military Barracks New Urban Park & Mall Connections | 5. Post Completion Review and Benefits Realisation | – | Mayo County Council |
| Castlebar Historic Core - The Mall Innovation Hub (The Imperial Hotel/Daly's Hotel) | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Mayo County Council |
| Castlebar Historic Core - Public Realm Works in the Mall | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Mayo County Council |
| Castlebar Historic Core - Youth Resource Centre (The Old Post Office) | 3. Post – Tender - Final Business Case | – | Mayo County Council |
| Castlebar Historic Core - Master Plan Ellison Street and Back Lands (Ellison Street) | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Mayo County Council |
| Castlebar Historic Core - Ellison St. Infrastructure, New Links and Access routes with possible compulsory purchase (Ellison Street) | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Mayo County Council |
| Castlebar Military Barracks 2 - Detailed Design and planning including Viability | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Mayo County Council |
| Castlebar Military Barracks 2 - Contribution to basic essential Enabling works to existing buildings | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Mayo County Council |
| Ballintubber Abbey Culture and Heritage Visitor Centre | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Mayo County Council |
| Ballyhaunis Community Enterprise Hub | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Mayo County Council |
| Ballina Scouting Den and Community Centre | 2. Pre- Tender - Project Design. Planning and Procurement Strategy | – | Department of Rural and Community Development |
| Lough Mask Water Treatment Plant Upgrade | 3. Post – Tender - Final Business Case | – | Uisce Éireann |
Keep exploring
PlaceMayo in numbersPopulation, prices, townsNeighbouring countyInfrastructure in SligoWater, grid, planningNeighbouring countyInfrastructure in GalwayWater, grid, planningNeighbouring countyInfrastructure in RoscommonWater, grid, planningNeighbouring countyInfrastructure in LeitrimWater, grid, planning
Sources: Uisce Éireann capacity registers; ESB Networks capacity heatmap; National Planning Application Database; DHLGH commencement notices; NDP construction pipeline. Registers are indicative, not connection offers.