Commencements / complete inventory / Ranked / relevance Index refreshed nightly · 28 Jul 2026

Complete commencement inventory

Every commencement project, and every notice underneath it

The full retained public-safe commencement history, grouped by planning authority and planning reference. Switch to Notices to inspect each source identity and phase separately.

138,265 Projects grouped by planning ref
153,613 Notice identities individual source notices
10,187 Multi-notice projects phased or revised starts
42,039 Named-builder notices builder stated on the notice
11,794 In this window 12 months · 12,917 notices
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Showing 376–400 of 472 projects

New build
28 Oct 2025 · Commenced
1 notice · 1 source identity

Single storey Hostel Facilities Building, Block A Storage and

Killadoon, Mayo · Mayo County Council · Planning ref 2460214

Construction of single storey Hostel Facilities Building, Block A Storage and Services Building ancillary to Hostel Facilities and 6no. Glamping Pods and all ancillary siteworks and services at Aillemore, Killeen, Killadoon, Co. Mayo
New build
27 Oct 2025 · Commenced
1 notice · 1 source identity

Construction New Dwelling House — Westport

Westport, Mayo · Mayo County Council · Planning ref P25/195

Construction New Dwelling House
Extension
27 Oct 2025 · Commenced
1 notice · 1 source identity

Refurbishment & extension of existing dwelling house

Bonniconlon, Mayo · Mayo County Council · Planning ref P24/60624

Refurbishment & extension of existing dwelling house, construction of new on-site wastewater treatment system together with ancillary site development works.
New build
24 Oct 2025 · Commenced
1 notice · 1 source identity

2 Agricultre buildings and associated civils works - 2 seperate

Westport, Mayo · Mayo County Council · Planning ref 2460160

2 Agricultre buildings and associated civils works - 2 seperate buildings
New build
24 Oct 2025 · Commenced
1 notice · 1 source identity

Demolition of Existing Shed to Rear of Existing Dwelling House

Castlebar, Mayo · Mayo County Council · Planning ref P23/420

Demolition of Existing Shed to Rear of Existing Dwelling House and Erection of New Granny Flat at Curry Castlebar.
New build
24 Oct 2025 · Commenced
1 notice · 1 source identity

25-094 Construction of dwelling house and all associated site

Ballyhean, Mayo · Mayo County Council · Planning ref 25/60413

25-094 Construction of dwelling house and all associated site works at Ballyheane, Co. Mayo
New build
23 Oct 2025 · Commenced
1 notice · 1 source identity

The demolition of existing derelict cottages — Castlebar

Castlebar, Mayo · Mayo County Council · Planning ref P2560191

The demolition of existing derelict cottages. The construction of a new dwelling house WITH ALL ASSOCIATED SITE WORKS.
New build
23 Oct 2025 · Commenced
1 notice · 1 source identity

24-059 Construction of a dwelling house, proprietary wastewater

Toorglass East, Mayo · Mayo County Council · Planning ref 24/60609

24-059 Construction of a dwelling house, proprietary wastewater treatment system and all associated site works at Toorglass East, Belmullet, Co.Mayo
New build
23 Oct 2025 · Commenced
1 notice · 1 source identity

ESB substation for Ireland West Airport Knock — Charlestown

Charlestown, Mayo · Mayo County Council · Planning ref P24/60780

ESB substation for Ireland West Airport Knock
Material alteration
22 Oct 2025 · Commenced
1 notice · 1 source identity

Upgrade works to improve water quality, comprising upgrade of

Drumganagh, Mayo · Mayo County Council · Planning ref P25/20

upgrade works to improve water quality, comprising upgrade of raw water pumps, installation of equipment to improve process including a new flocculation tank, clarification tank, rapid gravity filters, UV reactor and associated pumps, and accessories. Construction of solids management consisting of tank for settlement and associated pumps and infrastructure. Reservoir tank improvement including pump pipework mixer, and all associated ancillary works and associated engineering works including upgrade to pump house machinery. All works will be conducted within the existing GWS site and pumphouse
Material alteration
22 Oct 2025 · Commenced
1 notice · 1 source identity

Upgrade of raw water pumps and controls, modification of

Doonamona, Mayo · Mayo County Council · Planning ref P25/38

Upgrade of raw water pumps and controls, modification of underground tanks to provide a dedicated raw water tank, installation of equipment to improve process including a new flocculation tank, clarification tank, dissolved air flocculation. UV reactor dedicated chemical delivery area, and associated pumps, piping and valves and accessories. Construction of solids management consisting of tank for settlement and associated pumps and infrastructure. Installation of new concrete slab and installation of new sludge holding tank (45m3), settlement tank, sludge balancing tank, alum tank, DAF and all associated ancillary works and associated engineering works. Works also include the installation of pumps and pipework to the treated water storage tank including a scrubber within the Callow Water Reservoir site
Extension
21 Oct 2025 · Commenced
1 notice · 1 source identity

Extension To Cottage — Castlebar

Castlebar, Mayo · Mayo County Council · Planning ref P24/500

Extension To Cottage
New build
20 Oct 2025 · Commenced
1 notice · 1 source identity

A dwelling house, effluent treatment system together with

Carrowmore Lackan, Mayo · Mayo County Council · Planning ref P2460180

Construction of a dwelling house, effluent treatment system together with ancillary site development works
Extension
17 Oct 2025 · Commenced
1 notice · 1 source identity

Construct a 2-storey extension to the side of the existing

Westport, Mayo · Mayo County Council · Planning ref P25/60168

Construct a 2-storey extension to the side of the existing detached bungalow, including elevational alterations, demolitions, and connection into existing services.
New build
17 Oct 2025 · Commenced
1 notice · 1 source identity

Construct single storey dwelling with upstairs accommodation

Creevesbeg, Mayo · Mayo County Council · Planning ref p25/9

Construct single storey dwelling with upstairs accommodation , septic system and boundary fence and treatment
New build
14 Oct 2025 · Commenced
1 notice · 1 source identity

Construct dwelling house, onsite secondary treatment unit and

Kilmovee, Mayo · Mayo County Council · Planning ref P23/193

Construct dwelling house, onsite secondary treatment unit and soil polishing filter with all other associated site works
New build
14 Oct 2025 · Commenced
1 notice · 1 source identity

A dwelling House — Tonragee East

Tonragee East, Mayo · Mayo County Council · Planning ref 2560238

Construction of a dwelling House
New build
14 Oct 2025 · Commenced
1 notice · 1 source identity

New dwelling house, treatment system and percolation area

Cregganbaun, Mayo · Mayo County Council · Planning ref P21/1142

The construction of new dwelling house, treatment system and percolation area.
New build
12 Oct 2025 · Commenced
1 notice · 1 source identity

Dwelling house and effluent treatment system — Skeougues

Skeougues, Mayo · Mayo County Council · Planning ref 221112

construction of dwelling house and effluent treatment system
New build
10 Oct 2025 · Commenced
1 notice · 1 source identity

A dwelling house and septic tank system — Castlebar

Castlebar, Mayo · Mayo County Council · Planning ref 24473

construction of a dwelling house and septic tank system
New build
10 Oct 2025 · Commenced
1 notice · 1 source identity

A dwelling house and septic tank system — Kilmeena

Kilmeena, Mayo · Mayo County Council · Planning ref 2566

construction of a dwelling house and septic tank system
New build
03 Oct 2025 · Commenced
1 notice · 1 source identity

A new house at Carrowcastle, Bonniconlon, Ballina, Co

Bonnicnlon, Ballina, Mayo · Mayo County Council · Planning ref 2460060

Construction of a new house at Carrowcastle, Bonniconlon, Ballina, Co. Mayo.
Extension
30 Sep 2025 · Commenced
1 notice · 1 source identity

Extension of a two- storey detached dwelling — Rosduane

Rosduane, Mayo · Mayo County Council · Planning ref P24/449

Extension of a two- storey detached dwelling.
Material alteration
30 Sep 2025 · Commenced
1 notice · 1 source identity

Demolish existing 2 storey detached house, Retain and demolish

Netley, Mayo · Mayo County Council · Planning ref P25/60058

Demolish existing 2 storey detached house, Retain and demolish single storey extension to southern elevation of existing house, Construct replacement 2 storey house, Carry out all ancillary site works and services.
Extension
29 Sep 2025 · Commenced
1 notice · 1 source identity

Extension to existing dwelling with alterations to existing

Ballymayock, Mayo · Mayo County Council · Planning ref P24524

Extension to existing dwelling with alterations to existing dwelling

Counting and privacy. A notice identity is one public source-family/reference pair. Projects group only where canonical planning authority and planning reference match. Highest notice-stated units and floor area are shown; phases are never summed. Personal names, contact details, Eircodes and raw private addresses remain outside this public projection.