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 626–650 of 4,883 projects

Extension
15 Jun 2015 · Commenced
1 notice · 1 source identity

The development consist of the subdivision of the existing

Louisburgh, Mayo · Mayo County Council · Planning ref P14/362

The development consist of the subdivision of the existing residential house to provide an additional apartment unit above the existing shop, extension of the existing attic storey and the provision of a new rear dormer roof to the house and apartment, alterations to the existing ground floor shop unit including modification and extension of the existing single storey rear extension, alterations to the existing shop front including the provision of a new door arrangement a window seat and signage & provision of a community meeting room doubling up as a reading room in the existing stone building to the rear of the shop.
Extension
12 Jan 2015 · Commenced
1 notice · 1 source identity

Material alteration works under Part A to form a new multi dose

Westport, Mayo · Mayo County Council

Material alteration works under Part A to form a new multi dose clean room (MD14) from existing clean rooms 6 and 10
New build
15 Jun 2026 · Commenced
1 notice · 1 source identity

A new two storey dwelling and all associated site development

Teevemore, Mayo · Mayo County Council · Planning ref P24/60215

Construction of a new two storey dwelling and all associated site development works
Material alteration
03 Jun 2026 · Commenced
1 notice · 1 source identity

Demolition to top of foundation and reconstruction of

Ballina, Mayo · Mayo County Council · Planning ref P25/60350

Demolition to top of foundation and reconstruction of semi-detached two storey dwelling house.
Material alteration
03 Jun 2026 · Commenced
1 notice · 1 source identity

Alterations/Refurbis hment of Existing Dwelling at No — Westport

Westport, Mayo · Mayo County Council · Planning ref 25/199

Alterations/Refurbis hment of Existing Dwelling at No. 1 Kings Hill, Westport, County Mayo
New build
28 May 2026 · Commenced
1 notice · 1 source identity

Dweling house, on- site waste water treatment system together

Killala, Mayo · Mayo County Council · Planning ref P25/60822

Construction of dweling house, on- site waste water treatment system together with ancillary site development works
Material alteration
27 May 2026 · Commenced
1 notice · 1 source identity

This Development consists of material alterations on original

Ballina, Mayo · Mayo County Council · Planning ref 25/60263

This Development consists of material alterations on original foundations to pyrite affected dwelling, including all other ancillary site works and services.
New build
18 May 2026 · Commenced
1 notice · 1 source identity

A Dwelling House and all associated site works — Ballina

Ballina, Mayo · Mayo County Council · Planning ref 25/60787

Construction of a Dwelling House and all associated site works
Extension
16 May 2026 · Commenced
1 notice · 1 source identity

Extension to Existing House and Connect to Existing Services at

Castlebar, Mayo · Mayo County Council · Planning ref P24/60084

Erection of Extension to Existing House and Connect to Existing Services at Knockaphunta, Westport Road, Castlebar.
Extension
15 May 2026 · Commenced
1 notice · 1 source identity

Demolition of part of the existing dwelling house structure

Belmullet, Mayo · Mayo County Council · Planning ref 2560780

Demolition of part of the existing dwelling house structure located to the rear, modifications to the façade of the existing dwelling house, erection of an extension to the existing dwelling house including site development works.
Material alteration
15 May 2026 · Commenced
1 notice · 1 source identity

Demolition to top of foundations and reconstruction of two

Westport, Mayo · Mayo County Council · Planning ref P24/60332

Demolition to top of foundations and reconstruction of two storey detached dwelling house and all associated site works.
Extension
12 May 2026 · Commenced
1 notice · 1 source identity

Extension to Existing Cottage, WITH EFFLUENT TREATMENT SYSTEM

Crossmolina, Mayo · Mayo County Council · Planning ref P25/60120

Extension to Existing Cottage, WITH EFFLUENT TREATMENT SYSTEM TOGETHER WITH SITE ACCESS, COMPLETE WITH SERVICES AND ALL ASSOCIATED SITE WORKS
Change of use
08 May 2026 · Commenced
1 notice · 1 source identity

Change of use and renovation of an existing commercial building

Lisloughrey, Mayo · Mayo County Council · Planning ref 24/60553

Change of use and renovation of an existing commercial building to a dwelling house, upgrade of existing proprietary wastewater treatment system and all associated site works at Lisloughrey Cong Co. Mayo
Extension
30 Apr 2026 · Commenced
1 notice · 1 source identity

An extension to existing dwelling house with connections to

Pigeon Point, Mayo · Mayo County Council · Planning ref P24/458

Construction of an extension to existing dwelling house with connections to existing services and septic tank, together with associated site works at Demesne, Carraholly, Westport, Co. Mayo.
New build
30 Apr 2026 · Commenced
1 notice · 1 source identity

Demolition of the existing single- storey, pitched roof

Aughalusky, Mayo · Mayo County Council · Planning ref 2560501

Demolition of the existing single- storey, pitched roof, detached dwelling; Construction of a new single-storey, pitched roof, detached replacement dwelling and all ancillary engineering and landscaping works, inclusive of Wastewater treatment system.
New build
27 Apr 2026 · Commenced
1 notice · 1 source identity

A private dwelling house, domestic garage and effluent treatment

Louisburgh, Mayo · Mayo County Council · Planning ref P25/60217

Construction of a private dwelling house, domestic garage and effluent treatment system together with all ancillary site works.
New build
20 Apr 2026 · Commenced
1 notice · 1 source identity

Proposed House at Devlis, Ballyhaunis, Co

Ballyhaunis, Mayo · Mayo County Council · Planning ref P25/387

Proposed House at Devlis, Ballyhaunis, Co. Mayo
Extension
20 Apr 2026 · Commenced
1 notice · 1 source identity

A front porch to existing dwelling house, together with all

Castlebar, Mayo · Mayo County Council · Planning ref P25/60899

Construction of a front porch to existing dwelling house, together with all ancillary stie works at Carrowncurry, Pontoon Road, Castlebar, Co. Mayo.
Extension
13 Apr 2026 · Commenced
1 notice · 1 source identity

Works to a domestic dwelling house - demolition of an existing

Knockatee, Mayo · Mayo County Council · Planning ref 2560022

Works to a domestic dwelling house - demolition of an existing side annex and construction of new side annex extension to the dwellings southern aspect.
New build
06 Apr 2026 · Commenced
1 notice · 1 source identity

Provision of a single storey dwelling house with vehicle access

Castlebar, Mayo · Mayo County Council · Planning ref P25/60831

PROVISION OF A SINGLE STOREY DWELLING HOUSE WITH VEHICLE ACCESS / EGRESS & LANDSCAPING, COMPLETE WITH ALL ASSOCIATED SITE WORKS & SERVICES
Change of use
30 Mar 2026 · Commenced
1 notice · 1 source identity

The development will consist of the conversion of an existing

Lisloughrey, Mayo · Mayo County Council · Planning ref 60288

The development will consist of the conversion of an existing stone barn into a one bedroom dwelling and associated works, connection to existing services together with all ancillary site development works.
New build
25 Mar 2026 · Commenced
1 notice · 1 source identity

To construct dwelling house, proprietary effluent treatment

Carrowmore Lacken, Mayo · Mayo County Council · Planning ref P.22/154 & P.25/257

To construct dwelling house, proprietary effluent treatment system, percolation area and ancillary site works
Material alteration
12 Mar 2026 · Commenced
1 notice · 1 source identity

Refurbishment of the existing bungalow to include revised window

Kilmeena, Westport, Mayo · Mayo County Council · Planning ref 2460433

Refurbishment of the existing bungalow to include revised window and door locations to all elevations, external insulation, selected cladding to part of front and side elevation, external porch to rear, extended terrace to front and side, replacement of roof finishes, rooflights to rear, removal of chimneys, internal modifications, tertiary treatment system and all ancillary works to facilitate the development at Myna Strand, Carrowbeg, Kilmeena, Westport, Co. Mayo. .
Material alteration
02 Mar 2026 · Commenced
1 notice · 1 source identity

Demolition to top of foundations and reconstruction of

Ballina, Mayo · Mayo County Council · Planning ref P23 60139

Demolition to top of foundations and reconstruction of semi-detached two storey dwelling house.
New build
27 Feb 2026 · Commenced
1 notice · 1 source identity

To construct new dwellinghouse, install proprietary effluent

Ballina, Mayo · Mayo County Council · Planning ref P.25/14

To construct new dwellinghouse, install proprietary effluent treatment unit and percolation area, and to carry out all ancillary site works

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.