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 1,076–1,100 of 4,883 projects

Extension
25 Nov 2020 · Commenced
1 notice · 1 source identity

Construct 35m2 single storey house extension at 4 Seaview

Killala, Mayo · Mayo County Council · Planning ref 20/57

Construct 35m2 single storey house extension at 4 Seaview Terrace, Killala
New buildExtension
17 Nov 2020 · Commenced
1 notice · 1 source identity

Renovation of the existing dwelling house, upgrade of existing

Cong, Mayo · Mayo County Council · Planning ref 20/265

Renovation of the existing dwelling house, upgrade of existing septic tank, percolation area and all associated site works at the above address.
New build
17 Nov 2020 · Commenced
1 notice · 1 source identity

Demolition of existing single storey dwelling and construction

Louisburgh, Mayo · Mayo County Council · Planning ref P10/2450

Demolition of existing single storey dwelling and construction of single storey dwelling replacement with addition
New build
09 Nov 2020 · Commenced
1 notice · 1 source identity

A new multi purpose sport hall together with all ancillary site

Newport, Mayo · Mayo County Council · Planning ref P14/556

construction of a new multi purpose sport hall together with all ancillary site works and services
Extension
06 Nov 2020 · Commenced
1 notice · 1 source identity

Annexe/granny flat addition to existing dwelling — Mayo

Mayo · Mayo County Council · Planning ref 191017

Construction of annexe/granny flat addition to existing dwelling
New build
03 Nov 2020 · Commenced
1 notice · 1 source identity

A dwelling house — Doocastle

Doocastle, Mayo · Mayo County Council · Planning ref 19/502

Construction of a dwelling house
Extension
03 Nov 2020 · Commenced
1 notice · 1 source identity

Extension to existing national school to include circulation

Bohola, Mayo · Mayo County Council · Planning ref P19/107

EXTENSION TO EXISTING NATIONAL SCHOOL TO INCLUDE CIRCULATION SPACE AND 2 NO. RESOURSE ROOMS AND ASSOCIATED WORKS.
Extension
02 Nov 2020 · Commenced
1 notice · 1 source identity

30 sq — Ballynaglea

Ballynaglea, Ballyglass, Claremorris, Mayo · Mayo County Council · Planning ref P20-301

30 sq.m. Extension and alterations together with all ancillary siteworks and services at existing house at Ballynaglea, Ballyglass, Claremorris, Co. Mayo
Extension
12 Oct 2020 · Commenced
1 notice · 1 source identity

Single bedroom, with bathroom extension to single storey

Killala, Mayo · Mayo County Council · Planning ref P8/20/005

Single bedroom, with bathroom extension to single storey detached dwelling at Taylors Row, Killala, Co. Mayo.
Extension
02 Oct 2020 · Commenced
1 notice · 1 source identity

Alterations to existing town house, a protected structure to

Westport, Mayo · Mayo County Council · Planning ref P18/807

Alterations to existing town house, a protected structure to include renovation and extension to the existing rear kitchen and outbuildings, minor internal alterations
Extension
30 Sep 2020 · Commenced
1 notice · 1 source identity

Classroom extension (98 — Ballina

Ballina, Mayo · Mayo County Council · Planning ref 2046

Construction of classroom extension (98.90sqm) to the rear of national school and carry out all associated alterations including revised layout to the existing resource classroom, together with all associated site works
Extension
18 Sep 2020 · Commenced
1 notice · 1 source identity

Construction a ground floor and first floor extension to

Westport, Mayo · Mayo County Council · Planning ref P20/375

Construction a ground floor and first floor extension to existing house
Extension
12 Sep 2020 · Commenced
1 notice · 1 source identity

A single storey extension 298sqm consisting of 3 x classrooms

Ballina, Mayo · Mayo County Council · Planning ref P20/235

Construction of a single storey extension 298sqm consisting of 3 x classrooms and alterations to the front entrance.
New build
11 Sep 2020 · Commenced
1 notice · 1 source identity

New Dwelling House, PETU & all Associated Siteworks & Services

Straide, Mayo · Mayo County Council · Planning ref P19/431

New Dwelling House, PETU & all Associated Siteworks & Services at Knockagarraun, Straide, Foxford.
New build
09 Sep 2020 · Commenced
1 notice · 1 source identity

A new single storey detached dwelling house — Foxford

Foxford, Mayo · Mayo County Council · Planning ref P19/898

Construction of a new single storey detached dwelling house.
New build
08 Sep 2020 · Commenced
1 notice · 1 source identity

A new house at Breaffy, Ballina

Ballina, Mayo · Mayo County Council · Planning ref 18901

Construction of a new house at Breaffy, Ballina
New build
17 Aug 2020 · Commenced
1 notice · 1 source identity

A new terraced two storey residential dwellinghouse

Béal an Átha, Mayo · Mayo County Council · Planning ref P19/1027

Construction of a new terraced two storey residential dwellinghouse.
Extension
10 Aug 2020 · Commenced
1 notice · 1 source identity

An extension to existing indoor training facility, together with

Claremorris, Mayo · Mayo County Council · Planning ref P19/311

construction of an extension to existing indoor training facility, together with all ancillary site works and services
New build
10 Aug 2020 · Commenced
1 notice · 1 source identity

Dwellinghouse and single storey domestic garage at Knocknageeha

Newport, Mayo · Mayo County Council · Planning ref 12/333

Construction of dwellinghouse and single storey domestic garage at Knocknageeha, Newport
Extension
06 Aug 2020 · Commenced
1 notice · 1 source identity

Accessible bedroom and ensuite bathroom, installation of ramps

Foxford, Mayo · Mayo County Council · Planning ref P19/642

Construction of accessible bedroom and ensuite bathroom, installation of ramps, interior alterations
Extension
06 Aug 2020 · Commenced
1 notice · 1 source identity

Partial demolition of existing house and constructon of a two

Ballyvary, Mayo · Mayo County Council · Planning ref 19611

Partial demolition of existing house and constructon of a two- storey extension.
Extension
29 Jul 2020 · Commenced
1 notice · 1 source identity

To construct an extension and alterations to the existing school

Ballinrobe, Mayo · Mayo County Council · Planning ref P18/879

To construct an extension and alterations to the existing school comprising of Provision of a New ASD unit two number mainstream class rooms and additional facilities together with all required site works
New build
14 Jul 2020 · Commenced
1 notice · 1 source identity

Demolish existing derelict single- storey dwelling and construct

Castlebar, Mayo · Mayo County Council · Planning ref P19/675

Demolish existing derelict single- storey dwelling and construct dormer type dwelling with new vehicular access on to the Newport Road, on revised site boundaries from that previously granted Planning Permission under Planning Ref. No. P15/612, together with all ancillary works and connection to existing services.
New build
07 Jul 2020 · Commenced
1 notice · 1 source identity

A dwellinghouse & wastewater treatment system with polishing

Straide, Mayo · Mayo County Council · Planning ref P19/135

Construction of a dwellinghouse & wastewater treatment system with polishing filter & associated site works at Knockshanbally, Straide, Foxford, Co Mayo
Extension
18 Jun 2020 · Commenced
1 notice · 1 source identity

Development to consist of demolition of side and rear extensions

Swinford, Mayo · Mayo County Council · Planning ref P18/291

DEVELOPMENT TO CONSIST OF DEMOLITION OF SIDE AND REAR EXTENSIONS TO THE LODGE, CHANGE OF USE OF EXISTING GATE LODGE TO DWELLING HOUSE, THE CONSTRUCTION OF A SINGLE STOREY REAR EXTENSION, TOGETHER WITH ALL ASSOCIATED LANDSCAPING, SITE WORKS AND SERVICES

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.