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 401–425 of 472 projects

New build
29 Sep 2025 · Commenced
1 notice · 1 source identity

To construct 1 no: one storey ICF built new private dwelling

Castlebar, Mayo · Mayo County Council · Planning ref 2460628

To construct 1 no: one storey ICF built new private dwelling @Castlebar Co.mayo
New build
27 Sep 2025 · Commenced
1 notice · 1 source identity

The development will consist of the relocation and modification

Castlebar, Mayo · Mayo County Council · Planning ref P24/60166

The development will consist of the relocation and modification of the existing Temporary Covid Modular Building and all other necessary ancillary site works.
Extension
26 Sep 2025 · Commenced
1 notice · 1 source identity

New extension to existing dwelling house and all ancillary works

Mayo · Mayo County Council · Planning ref 20/452

CONSTRUCTION OF NEW EXTENSION TO EXISTING DWELLING HOUSE AND ALL ANCILLARY WORKS INCLUDING UPGRADE TO PERCULATION AND SEPTIC TANK
New build
25 Sep 2025 · Commenced
1 notice · 1 source identity

A new single storey dwelling house — Church Park

Church Park, Mayo · Mayo County Council · Planning ref P24/60293

Construction of a new single storey dwelling house.
New build
22 Sep 2025 · Commenced
1 notice · 1 source identity

Dwelling House, on-site effluent treatment system together with

Knockmore, Mayo · Mayo County Council · Planning ref P22/361

Construction of Dwelling House, on-site effluent treatment system together with ancillary site development works.
New build
22 Sep 2025 · Commenced
1 notice · 1 source identity

Construct dwelling house and installation of eff — Graughill

Graughill, Pullathomas,Ballina, Mayo · Mayo County Council · Planning ref 2560283

Construct dwelling house and installation of eff. treatment system including site development works as per PP File 25/60283 + 24/60238.
Extension
22 Sep 2025 · Commenced
1 notice · 1 source identity

Renovating and extending existing derelict cottage, replacing

Westport, Mayo · Mayo County Council · Planning ref 25104

Renovating and extending existing derelict cottage, replacing existing septic tank with new wastewater treatment system, constructing new vehicle entrance and all associated site works at Mountbrown, Westport, Co. Mayo.
Material alteration
22 Sep 2025 · Commenced
1 notice · 1 source identity

Demolition to top of foundation and reconstruction of

Westport, Mayo · Mayo County Council · Planning ref P24/60638

Demolition to top of foundation and reconstruction of semidetached dwelling house.
Extension
17 Sep 2025 · Commenced
1 notice · 1 source identity

To extend and make alterations to existing supermarket to

Westport, Mayo · Mayo County Council · Planning ref 24/60002

To extend and make alterations to existing supermarket to include the adjacent property known as JJ Glynn grocer and ironmonger” which is a protected structure. The development will consist of creating new toilet facilities, creating additional shop floor space, an extension to first floor warehouse, a new 2 bedroom apartment at first floor level over “JJ Glynn grocer and ironmonger” and alterations, removals and repairs to the adjacent existing shop site known as “JJ Glynn grocer and ironmonger” To include all necessary alterations to mechanical and electrical installations and to build a steel framed canopy over the main delivery area to the rear with provision for roof mounted plant equipment. To include all associated and ancillary site works
New build
15 Sep 2025 · Commenced
1 notice · 1 source identity

Construction Dwelling House and all associated Services

Gorlough, Mayo · Mayo County Council · Planning ref 21/723

Construction Dwelling House and all associated Services
Material alterationChange of use
12 Sep 2025 · Commenced
1 notice · 1 source identity

Change of use to existing ground floor office unit to new Day

Castlebar, Mayo · Mayo County Council · Planning ref P25/60153

Change of use to existing ground floor office unit to new Day Services use together with minor internal alterations
ExtensionMaterial alteration
12 Sep 2025 · Commenced
1 notice · 1 source identity

BA2071 - Construct an extension and carry out alterations to

Ballina, Mayo · Mayo County Council · Planning ref 2460548

BA2071 - Construct an extension and carry out alterations to existing dwelling house & all associated site works.
New build
10 Sep 2025 · Commenced
1 notice · 1 source identity

A dwelling house at Dereenmanus — Castlebar

Castlebar, Mayo · Mayo County Council · Planning ref 21664

Construction of a dwelling house at Dereenmanus
Extension
10 Sep 2025 · Commenced
1 notice · 1 source identity

Extension to house at Killeen, Castlehill, Ballina, Co

Castlehill, Mayo · Mayo County Council · Planning ref 2560314

Extension to house at Killeen, Castlehill, Ballina, Co. Mayo.
New build
09 Sep 2025 · Commenced
1 notice · 1 source identity

Domestic garage at Dooniver, Achill, Co Mayo

achill, Mayo · Mayo County Council · Planning ref 25/60335

Construction of domestic garage at Dooniver, Achill, Co Mayo
Extension
08 Sep 2025 · Commenced
1 notice · 1 source identity

Extension to existing dwelling house at Wherrew Knockfree

Ballina, Mayo · Mayo County Council · Planning ref 2460493

Extension to existing dwelling house at Wherrew Knockfree, Cloghans, Ballina, Co. Mayo.
New build
08 Sep 2025 · Commenced
1 notice · 1 source identity

A Dwelling House, a percolation area, and all ancillary site

Lahardane, Mayo · Mayo County Council · Planning ref 22377

the construction of a Dwelling House, a percolation area, and all ancillary site works
New build
05 Sep 2025 · Commenced
1 notice · 1 source identity

A dwelling house, wastewater treatment syystem and all

Ballintober, Mayo · Mayo County Council · Planning ref 2460565

Construction of a dwelling house, wastewater treatment syystem and all associated works.
New build
04 Sep 2025 · Commenced
1 notice · 1 source identity

To construct 1no — Claremorris

Claremorris, Mayo · Mayo County Council · Planning ref 25182

to construct 1no. 2 storey block built dwelling house at Gorlough, Claremorris, Co Mayo
New build
04 Sep 2025 · Commenced
1 notice · 1 source identity

A new house at Bofield, Bonniconlon, Ballina, Co

Bonniconlon, Ballina, Mayo · Mayo County Council · Planning ref 2460666

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

An extension to front of existing dwelling house, renovation of

Belderrig Beg, Mayo · Mayo County Council · Planning ref P23/350

Construction of an extension to front of existing dwelling house, renovation of existing dwelling with waste water treatment system, percolation area and all associated site works.
Material alteration
03 Sep 2025 · Commenced
1 notice · 1 source identity

Demolition to top of foundation and reconstruction of detached

Graughill, Mayo · Mayo County Council · Planning ref P24/60487

Demolition to top of foundation and reconstruction of detached dwelling house at Graughill, Pulathomas, Ballina, Co. Mayo
Material alteration
01 Sep 2025 · Commenced
1 notice · 1 source identity

Demolition to top of foundation and reconstruction of semi

Ballina, Mayo · Mayo County Council · Planning ref P24/60726

Demolition to top of foundation and reconstruction of semi detached dwelling house.
New build
29 Aug 2025 · Commenced
1 notice · 1 source identity

A 3 bay slatted shed with creep will be constructed with a

Hollymount, Mayo · Mayo County Council · Planning ref p24287

A 3 bay slatted shed with creep will be constructed with a galvanized steel frame with mass concrete walls. The roofed shed will house cattle over winter. The shed and contents will comply with grant specifications.
Material alteration
29 Aug 2025 · Commenced
1 notice · 1 source identity

Demolition to top of foundation and reconstruction of semi

Ballina, Mayo · Mayo County Council · Planning ref P24/60720

Demolition to top of foundation and reconstruction of semi detached dwelling house.

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.