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 451–472 of 472 projects

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New build

04 Aug 2025 · Commenced

1 notice · 1 source identity

New dwellinghouse, on site wastewater treatment system, new site

Crossmolina, Mayo · Mayo County Council · Planning ref P21/666

Construction of New dwellinghouse, on site wastewater treatment system, new site entrance together with ancillary site development works

Extension

01 Aug 2025 · Commenced

1 notice · 1 source identity

Extension and renovation of the existing dwelling with

Townalough, Mayo · Mayo County Council · Planning ref 23/143

Extension and renovation of the existing dwelling with demolition of existing garage and all ancillary site works.

New build

31 Jul 2025 · Commenced

1 notice · 1 source identity

A new house, access road, connections to public services and

Castlebar, Mayo · Mayo County Council · Planning ref 2460209

Construction of a new house, access road, connections to public services and ancillary site development works at Tullycommons, Castlebar, County Mayo

Extension

31 Jul 2025 · Commenced

1 notice · 1 source identity

The application will consist of planning permission to (1)

Shraigh East, Mayo · Mayo County Council · Planning ref 2460673

The application will consist of planning permission to (1) Demolish existing extension to the rear, (2) Alter and extend existing dwelling house, (3) Upgrade existing wastewater treatment system, and (4) Carry out all ancillary works on site.

Extension

30 Jul 2025 · Commenced

1 notice · 1 source identity

Extension to Dwelling House — Louisburgh

Louisburgh, Mayo · Mayo County Council · Planning ref P24/536

Extension to Dwelling House

New build

29 Jul 2025 · Commenced

1 notice · 1 source identity

BA289 - Single storey dwelling house with & septic tank and

Ballina, Mayo · Mayo County Council · Planning ref 2460525

BA289 - Single storey dwelling house with & septic tank and infiltration system.

Material alteration

08 Jun 2026 · Commenced

1 notice · 1 source identity

The works will consist of internal alterations to existing

Ballina, Mayo · Mayo County Council

The works will consist of internal alterations to existing Ballina Primary Care Centre.

Material alteration

15 May 2026 · Commenced

1 notice · 1 source identity

New roof, external insulation, underfloor heating, extension of

Westport, Mayo · Mayo County Council

New roof, external insulation, underfloor heating, extension of a bathroom 2.8mx 2.8m

Material alteration

17 Apr 2026 · Commenced

1 notice · 1 source identity

The refurbishment works to the public house are to allow the

Castlebar, Mayo · Mayo County Council

The refurbishment works to the public house are to allow the premises to operate as normal, with new snug area and new toilet facilities. The works will include for new / upgraded fire safety measures as required under a new fire safety certificate. The works involve the following tasks: 1. Demolition of internal 2No internal openings between single and two-storey buildings. 2. Demolition of existing staircase and replacement with new (Part K compliant) staircase with flight reversed. 3. Demolition of various floors and yards, 4. Demolition of furniture in exiting kitchen. 5. Demolition of hot press. 6. Demolition of internal walls in single storey building. 7. Demolition works involved with new drainage for new toilets. 8. Demolition of external wall in existing toilets. 9. Construction of new partitions in single storey building to create protected escape route. 10. Provision of new fire rated doors throughout ground floor. 11. Provision of new toilets. 12. Provision of new fire detection & alarm system. 13. Provision of new emergency lighting system. 14. Upgrade of existing electrical distribution installation. 15. Provision of new electrical heating & hot water. 16. Works associated with fire rating existing timber panelling. 17. Works to ensure entrance doors are working properly. 18. Works to upgrade first floor to 60 minutes FR.

Extension

07 Apr 2026 · Commenced

1 notice · 1 source identity

Proposed 40m2 extension to an existing dwelling house to

Tumegesh, Mayo · Mayo County Council

Proposed 40m2 extension to an existing dwelling house to comprise a larger kitchen space and one additional bedroom

Material alteration

07 Apr 2026 · Commenced

1 notice · 1 source identity

This development consists of material alterations on original

Ballina, Mayo · Mayo County Council

This development consists of material alterations on original foundations to pyrite affected dwelling, including all other ancillary site works & services

Material alteration

27 Feb 2026 · Commenced

1 notice · 1 source identity

Internal fit out of an internal fallow floor area to PDS&T

Westport, Mayo · Mayo County Council

Internal fit out of an internal fallow floor area to PDS&T Laboratory

New build

01 Dec 2025 · Commenced

1 notice · 1 source identity

A new Modular Unit and all associated ancillary site works at St

Ballina, Mayo · Mayo County Council

Construction of a new Modular Unit and all associated ancillary site works at St Nicholas Primary School, Ballina, Co. Mayo

Material alteration

25 Nov 2025 · Commenced

1 notice · 1 source identity

The project consists of the complete strip out and demolition of

Ballina, Mayo · Mayo County Council

The project consists of the complete strip out and demolition of the existing building down to the existing top of strip level. The proposed work will consist of the re- construction of the entire dwelling using the existing strip.

Extension

24 Nov 2025 · Commenced

1 notice · 1 source identity

Renovate & extend existing dwelling house - exempted development

Westport, Mayo · Mayo County Council

Renovate & extend existing dwelling house - exempted development

Change of use

17 Nov 2025 · Commenced

1 notice · 1 source identity

Change of use of two retail units to provide 2 No — Castlebar

Castlebar, Mayo · Mayo County Council

Change of use of two retail units to provide 2 No. apartments and for all associated material alterations at Units 1 & 3 New Antrim Street, Castlebar, Co. Mayo for Brava Capital Ltd

New build

01 Oct 2025 · Commenced

1 notice · 1 source identity

A single storey detached modular building at Rice College

Westport, Mayo · Mayo County Council

Construction of a single storey detached modular building at Rice College, Westport (64700O) (Eircode )

New build

30 Sep 2025 · Commenced

1 notice · 1 source identity

A single storey detached SEN Modular Building Consisting of 2

Westport, Mayo · Mayo County Council

Construction of a single storey detached SEN Modular Building Consisting of 2 Classrooms at Rice College, Westport (64700O) (Eircode )

New build

25 Sep 2025 · Commenced

1 notice · 1 source identity

A detached single storey modular classroom consisting of a

Ballyvary, Mayo · Mayo County Council

Construction of a detached single storey modular classroom consisting of a classroom and toilets at Ballyvary Central National School, Castlebar, Co. Mayo.

New build

24 Sep 2025 · Commenced

1 notice · 1 source identity

A single storey modular unit consisting of 2 SEN Classrooms

Ballyvary, Mayo · Mayo County Council

Construction of a single storey modular unit consisting of 2 SEN Classrooms, toilets and quiet spaces at Ballyvary Central School, Castlebar, Co. Mayo.

Material alteration

11 Aug 2025 · Commenced

1 notice · 1 source identity

Material alterations to ground floor of existing retail premises

Ballina, Mayo · Mayo County Council

Material alterations to ground floor of existing retail premises

New build

04 Aug 2025 · Commenced

1 notice · 1 source identity

Independent single storey classroom modular building consisting

Balla, Castlebar, Mayo · Mayo County Council

Construction of independent single storey classroom modular building consisting of Design and Communication Graphics room and a standard classroom together with WC's and ancillary facilities and connection to existing services at Balla Secondary School, Balla Co. Mayo

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.