Commencements / complete inventory / Ranked / relevance Index refreshed nightly · 30 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
138,265 In this window All history · 153,613 notices
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Showing 1,026–1,050 of 4,883 projects

New build
08 Sep 2021 · Commenced
1 notice · 1 source identity

One room standalone extension to Robeen NS together with all

Hollymount, Mayo · Mayo County Council · Planning ref 20442

Construction of one room standalone extension to Robeen NS together with all ancillary works
New build
06 Sep 2021 · Commenced
1 notice · 1 source identity

Construct detached dwelling house, seperate garage, new entrance

Claremorris, Mayo · Mayo County Council · Planning ref P20/620

Construct detached dwelling house, seperate garage, new entrance, new waste water treatment system, connection to site services and all associated site works and landscaping
New build
01 Sep 2021 · Commenced
1 notice · 1 source identity

A new detached house — Claremorris

Claremorris, Mayo · Mayo County Council · Planning ref 20/700

Construction of a new detached house
New build
18 Aug 2021 · Commenced
1 notice · 1 source identity

New Build Detached Two- storey Dwelling House — Cooneal

Cooneal, Mayo · Mayo County Council · Planning ref P21/283

Construction of New Build Detached Two- storey Dwelling House
New build
16 Aug 2021 · Commenced
1 notice · 1 source identity

Detached Dwelling house — Killala

Killala, Mayo · Mayo County Council · Planning ref P21/22

Construction of Detached Dwelling house.
New build
16 Aug 2021 · Commenced
1 notice · 1 source identity

Detached two-storey dwelling house — Ballina

Ballina, Mayo · Mayo County Council · Planning ref P21/1038

Construction of detached two-storey dwelling house.
New build
14 Aug 2021 · Commenced
1 notice · 1 source identity

Demolish existing house, construct new dwelling house, on site

Ballina, Mayo · Mayo County Council · Planning ref P21/327

Demolish existing house, construct new dwelling house, on site waste water treatment system and ancillary site works
New build
12 Aug 2021 · Commenced
1 notice · 1 source identity

A new Dwelling house and wastewater treatment system at Cashel

Achill, Mayo · Mayo County Council · Planning ref 115000

Construction of a new Dwelling house and wastewater treatment system at Cashel Achill Co Mayo
New build
10 Aug 2021 · Commenced
1 notice · 1 source identity

A new house at Cloontykillew, Ballina, Co

Ballina, Mayo · Mayo County Council · Planning ref 20972

Construction of a new house at Cloontykillew, Ballina, Co. Mayo
Extension
30 Jul 2021 · Commenced
1 notice · 1 source identity

Extension to Dwelling and Construct Garage — SHRULE

SHRULE, Mayo · Mayo County Council · Planning ref P20/916

Extension to Dwelling and Construct Garage
Extension
14 Jul 2021 · Commenced
1 notice · 1 source identity

Extension to the existing school building, comprising of 1 no

Crossmolina, Mayo · Mayo County Council · Planning ref P19/814

Extension to the existing school building, comprising of 1 no. Classroom, 3 no. SET rooms, including all associated development works and services
Extension
13 Jul 2021 · Commenced
1 notice · 1 source identity

The development will consist of the demolition of existing

Castlebar, Mayo · Mayo County Council · Planning ref 20542

The development will consist of the demolition of existing single storey garage and existing detached bungalow sunroom projection to the rear of the property, refurbishment of the existing detached bungalow with revised elevations, together with the construction of a new extension to the front and rear of the existing property and all associated site works and landscaping.
New build
09 Jul 2021 · Commenced
1 notice · 1 source identity

Proposed new dwelling house, garage and septic tank system and

Castlear, Mayo · Mayo County Council · Planning ref 21127

Proposed new dwelling house, garage and septic tank system and ancillary site works and services at Cornanool, Castlebar, County Mayo
Extension
05 Jul 2021 · Commenced
1 notice · 1 source identity

An extension to the rear and sides of existing dwelling house

Ballindine, Mayo · Mayo County Council · Planning ref P20/925

Construction of an extension to the rear and sides of existing dwelling house and ancillary site works
New build
05 Jul 2021 · Commenced
1 notice · 1 source identity

Proposed Dwelling and Garage at Brackloon North, Ballyhaunis, Co

Ballyhaunis, Mayo · Mayo County Council · Planning ref P21/94

Proposed Dwelling and Garage at Brackloon North, Ballyhaunis, Co. Mayo
New build
02 Jul 2021 · Commenced
1 notice · 1 source identity

3 bay slatted shed with calf creep and agitation points, and to

Ballina, Mayo · Mayo County Council · Planning ref P.17/648

Construction of 3 bay slatted shed with calf creep and agitation points, and to carry out all ancillary site works
Extension
01 Jul 2021 · Commenced
1 notice · 1 source identity

Single storey extension to the existing clubhouse — Shrule

Shrule, Mayo · Mayo County Council · Planning ref P20/506

Construction of single storey extension to the existing clubhouse
New build
14 Jun 2021 · Commenced
1 notice · 1 source identity

Construct new dwelling house and installation of a proprietary

Swinford, Mayo · Mayo County Council · Planning ref 18/195

CONSTRUCT NEW DWELLING HOUSE AND INSTALLATION OF A PROPRIETARY PACKAGED TERTIARY POLISHING FILTER AND ALL ANCILLARY WORKS
Extension
09 Jun 2021 · Commenced
1 notice · 1 source identity

Demolish existing conservatory and construct new living room

Kilmeena, Westport, Mayo · Mayo County Council · Planning ref P20/750

Demolish existing conservatory and construct new living room extension to existing dwellinghouse at Rosmoney, Kilmeena, Westport
Extension
08 Jun 2021 · Commenced
1 notice · 1 source identity

42sq — Westport

Westport, Mayo · Mayo County Council · Planning ref 20437

42sq. metres Extension and alterations to existing House at Mill Street, Westport, Co. Mayo
New build
08 Jun 2021 · Commenced
1 notice · 1 source identity

93sq — Louisburgh

Louisburgh, Mayo · Mayo County Council · Planning ref 18544

93sq.m. Extension and alterations to existing House, replacement of shed and all ancillary siteworks and services at Roonith, Louisburgh, Co. Mayo
New build
04 Jun 2021 · Commenced
1 notice · 1 source identity

Construct Private Dwelling House, Proprietary Effluent Treatment

Ballyvarry, Mayo · Mayo County Council · Planning ref P20/673

Construct Private Dwelling House, Proprietary Effluent Treatment Unit.
Extension
31 May 2021 · Commenced
1 notice · 1 source identity

Replacement of the existing septic tank with onsite wastewater

Claremorris, Mayo · Mayo County Council · Planning ref 20/137

Replacement of the existing septic tank with onsite wastewater treatment system and all ancillary works at Castlegar, Claremorris
Extension
31 May 2021 · Commenced
1 notice · 1 source identity

Extension to Existing Dwelling No — Castlebar

Castlebar, Mayo · Mayo County Council · Planning ref P19/853

Extension to Existing Dwelling No. 4 Spencer Park, Castlebar.
New build
25 May 2021 · Commenced
1 notice · 1 source identity

Construction dwellinghouse with connection to the public sewer

Castlebar, Mayo · Mayo County Council · Planning ref P20/893

Construction dwellinghouse with connection to the public sewer and all associated site works at Milebush, Castlebar

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.