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 1,151–1,175 of 4,883 projects

New build
12 Feb 2019 · Commenced
1 notice · 1 source identity

Construct a new wastewater treatment plant and control building

Killala, Mayo · Mayo County Council · Planning ref P15/195

Construct a new wastewater treatment plant and control building to a design capacity of 2,400 population equivalent and associated site works at Tawnaghmore Upper, Killala, Co Mayo.
Extension
11 Feb 2019 · Commenced
1 notice · 1 source identity

Extension and alterations to existing Medical Centre , together

Westport, Mayo · Mayo County Council · Planning ref P18-182

Extension and alterations to existing Medical Centre , together with all ancillary siteworks and services at Grove medical Centre, Mill Street, Westport, Co. Mayo
Extension
28 Jan 2019 · Commenced
1 notice · 1 source identity

Extension and alterations to existing House at Murrisknaboll

Westport, Mayo · Mayo County Council · Planning ref P17/936

Extension and alterations to existing House at Murrisknaboll, Murrisk, Westport, Co. Mayo
New build
18 Jan 2019 · Commenced
1 notice · 1 source identity

New House at Gortmore, Ballycastle

Ballycastle, Mayo · Mayo County Council · Planning ref 09593

New House at Gortmore, Ballycastle for
New build
12 Jan 2019 · Commenced
1 notice · 1 source identity

Construct Private Dwelling House, Properietary Effluent

Islandeady, Mayo · Mayo County Council · Planning ref P17/289

Construct Private Dwelling House, Properietary Effluent Treatment Unit.
New build
07 Jan 2019 · Commenced
1 notice · 1 source identity

A Dwellinghouse with connection to effluent treatment system and

Belmullet, Mayo · Mayo County Council · Planning ref P18/513

Construction of a Dwellinghouse with connection to effluent treatment system and percolation area, together with all associated site works at Carn (Fowler), Belmullet, Co. Mayo.
Extension
21 Dec 2018 · Commenced
1 notice · 1 source identity

Extension and alterations to existing House including all

Westport, Mayo · Mayo County Council · Planning ref P18/251

Extension and alterations to existing House including all demolitions and removal works and all ancillary siteworks and services at Westport Demesne, Golf Course rd., Carrowholly, Westport, Co. Mayo
ExtensionMaterial alterationChange of use
19 Dec 2018 · Commenced
1 notice · 1 source identity

New ground floor retail unit with ancillary office and storage

Ballyhaunis, Mayo · Mayo County Council · Planning ref 18441

New ground floor retail unit with ancillary office and storage at first floor level together with a ground floor rear extension and proposed new shopfront and signage together with all associated site works
New build
14 Dec 2018 · Commenced
1 notice · 1 source identity

New Dwelling House & PETU at Ross East, Castlebar for Fidelis &

Castlebar, Mayo · Mayo County Council · Planning ref P18/221

New Dwelling House & PETU at Ross East, Castlebar for Fidelis & Rhona Cosgrave
Extension
14 Dec 2018 · Commenced
1 notice · 1 source identity

Proposed Two Storey Extension To Existing Behy National School

Ballina, Mayo · Mayo County Council · Planning ref P18104

Proposed Two Storey Extension To Existing Behy National School.
New build
30 Nov 2018 · Commenced
1 notice · 1 source identity

Shantallow, Hollymount, Co Mayo

Hollymount, Mayo · Mayo County Council · Planning ref 17941

Shantallow, Hollymount, Co Mayo. Construction of a proposed new detached dwelling house, connections to existing site services, and all associated site works and landscaping –
Extension
23 Nov 2018 · Commenced
1 notice · 1 source identity

A new single storey extension within the school site

Crossmolina, Mayo · Mayo County Council · Planning ref P15/670

Construction of a new single storey extension within the school site. The block will include 5 no. classrooms, sanitary facilities, stores and circulation. The development will also include an extension to existing car park and all associated site works and connections to existing services.
Extension
22 Nov 2018 · Commenced
1 notice · 1 source identity

New 18m2 single storey bespoke built electrical plant room

Killala Business Park, Mayo · Mayo County Council · Planning ref P18/362

Erection of new 18m2 single storey bespoke built electrical plant room container (eMod), the eMod is a corrugated steel structure similar to a shipping container, and the erection of 1 number 3.6m2 chiller unit, at Tawnaghmore Upper, Killala Business Park, Co. Mayo.
New build
14 Nov 2018 · Commenced
1 notice · 1 source identity

A dwelling house, garage, septic tank/effluent treatment unit

Castlebar, Mayo · Mayo County Council · Planning ref P17/373

Proposed construction of a dwelling house, garage, septic tank/effluent treatment unit and percolation area/polishing filter bed together with associated site works at Derrycoosh, Castlebar, County Mayo.
Extension
09 Nov 2018 · Commenced
1 notice · 1 source identity

Extension and Alterations to existing dwelling house at 44

Westport, Mayo · Mayo County Council · Planning ref 17/1052

Extension and Alterations to existing dwelling house at 44 Westlands, Westport
Extension
06 Nov 2018 · Commenced
1 notice · 1 source identity

Construct single storey rear extension and dormer window to rear

Ballindine, Mayo · Mayo County Council · Planning ref P18/528

CONSTRUCT SINGLE STOREY REAR EXTENSION AND DORMER WINDOW TO REAR ROOF OF EXISTING DWELLING AND ALL ANCILLARY SITE WORKS.
New build
05 Nov 2018 · Commenced
1 notice · 1 source identity

A temporary structure containing 3 prefabricated Classrooms, and

Tourmakeady, Mayo · Mayo County Council · Planning ref 18-599

Construction of a temporary structure containing 3 prefabricated Classrooms, and all ancillary siteworks and services at Coláiste Muire, Carheen, Tourmakeady, Co. Mayo
Material alteration
01 Nov 2018 · Commenced
1 notice · 1 source identity

Internal alterations, refurbishment and fit- out — Ballinrobe

Ballinrobe, Mayo · Mayo County Council · Planning ref 17/866

Internal alterations, refurbishment and fit- out. Relocation of existing entrance, new signage and new canopy over. New external lansdcaping planter.
Extension
01 Nov 2018 · Commenced
1 notice · 1 source identity

Orangery to East side of Partry House and all associated works

Partry, Mayo · Mayo County Council · Planning ref P17/226

Construction of Orangery to East side of Partry House and all associated works.
Change of use
26 Oct 2018 · Commenced
1 notice · 1 source identity

The development will consist of the change of use from Health

Westport, Mayo · Mayo County Council · Planning ref P17/1048

The development will consist of the change of use from Health Centre to Dwelling House together with associated site works. at 1 and 2 Radharc na Gréine, Altamount Street, Westport, Co. Mayo.
Extension
24 Oct 2018 · Commenced
1 notice · 1 source identity

Extend and renovate existing dwelling house, together with all

Castlebar, Mayo · Mayo County Council · Planning ref 18/25

EXTEND AND RENOVATE EXISTING DWELLING HOUSE, TOGETHER WITH ALL ANCILLARY SITE WORKS
New build
12 Oct 2018 · Commenced
1 notice · 1 source identity

Demolition of the existing domestic shed and construction of a

Ballina, Mayo · Mayo County Council · Planning ref PL18/348

Demolition of the existing domestic shed and construction of a new detached domestic shed, together with all associated site works at Killala Road, Ballina, Co. Mayo.
Extension
05 Oct 2018 · Commenced
1 notice · 1 source identity

Extension & renovation of dwelling house at Cloghanlucas

Claremorris, Mayo · Mayo County Council · Planning ref 17/664

Extension & renovation of dwelling house at Cloghanlucas, Ballyglass, Claremorris.
New build
03 Oct 2018 · Commenced
1 notice · 1 source identity

Construct new Dwelling house with attached garage together with

Swinford, Mayo · Mayo County Council · Planning ref P18/52

Construct new Dwelling house with attached garage together with all ancillary site works and services demolition of existing old Dwelling and Shed at Ballina Road Swinford, Co. Mayo.
Extension
02 Oct 2018 · Commenced
1 notice · 1 source identity

Construct 1 First Floor first floor bedroom and Modification to

Dooagh, Mayo · Mayo County Council · Planning ref 134900

Construct 1 First Floor first floor bedroom and Modification to house at Keel West

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.