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

Filters Show / hide

Filter inventory

Reset

County

Planning authority

Project type

Scale Major project (existing threshold)

Evidence Planning ref indexed Builder named on notice Multi-notice project

Commenced date

From To

Showing 651–675 of 4,883 projects

Sort

Extension

16 Feb 2026 · Commenced

1 notice · 1 source identity

(a) Demolition of existing shed and rear extension to dwelling

Bleanaskill, Mayo · Mayo County Council · Planning ref P24/60637

(a) Demolition of existing shed and rear extension to dwelling , (b) Reroofing & upgrade of existing dwelling together with the provision of a new front and rear single storey extension, (c) associated site development works, and (d) Provision of new wastewater treatment system incorporating New Septic tank, Package Intermittent Filter System, and Soil Polishing Filter

Extension

14 Feb 2026 · Commenced

1 notice · 1 source identity

A new two storey stairwell extension to existing school building

Ballinrobe, Mayo · Mayo County Council · Planning ref P25/60096

Construction of a new two storey stairwell extension to existing school building and all associated external/site works.

Material alteration

12 Feb 2026 · Commenced

1 notice · 1 source identity

Demolition to top of foundations and reconstruction of detached

Ballina, Mayo · Mayo County Council · Planning ref P24/60602

Demolition to top of foundations and reconstruction of detached two storey dwelling house.

New build

30 Jan 2026 · Commenced

1 notice · 1 source identity

A Bungalow Dwelling, Effluent Treatment System and Together with

KILLAVALLY, WESTPORT, Mayo · Mayo County Council · Planning ref 2560437

Construction of a Bungalow Dwelling, Effluent Treatment System and Together with site access & all associated site works.

New build

30 Jan 2026 · Commenced

1 notice · 1 source identity

A dwelling house and wastewater treatment system at Doona

Ballycroy, Mayo · Mayo County Council · Planning ref 2560266

Construction of a dwelling house and wastewater treatment system at Doona, Ballycroy, Co Mayo

Extension

22 Jan 2026 · Commenced

1 notice · 1 source identity

Renovate existing dwelling house, construct extension, alter

Claremorris, Mayo · Mayo County Council · Planning ref P25/60381

Renovate existing dwelling house, construct extension, alter elevations, new entrance access and connect to public sewer all as per drawing documentation submitted together with all ancillary site works and services

Material alteration

19 Jan 2026 · Commenced

1 notice · 1 source identity

Demolition to top of foundation and reconstruction of detached

Enaghbeg, Mayo · Mayo County Council · Planning ref P24/60736

Demolition to top of foundation and reconstruction of detached two storey dwelling house.

Extension

07 Jan 2026 · Commenced

1 notice · 1 source identity

A first floor extension and renovation to the rear of an

Westport, Mayo · Mayo County Council · Planning ref 24128

The erection of a first floor extension and renovation to the rear of an existing detached dwelling with associated landscaping, pedestrian and vehicular access from the public lane, extension 17m2

Material alteration

05 Jan 2026 · Commenced

1 notice · 1 source identity

Demolition to top of foundations and reconstruction of detached

Gortmeer, Mayo · Mayo County Council · Planning ref P24/60603

Demolition to top of foundations and reconstruction of detached 2 storey dwelling house.

New build

15 Dec 2025 · Commenced

1 notice · 1 source identity

New House and all ancillary siteworks and services at

Westport, Mayo · Mayo County Council · Planning ref 2560034

Construction of new House and all ancillary siteworks and services at Carrowkeeran, Murrisk, Westport, Co. Mayo

Material alteration

13 Dec 2025 · Commenced

1 notice · 1 source identity

Removal of existing shop face signage and replacement with new

Castlebar, Mayo · Mayo County Council · Planning ref P25/60572

Removal of existing shop face signage and replacement with new PTSB Logo sign and fascia panel. New shop face sign to be illuminated. Removal of existing projecting sign and replacement with new PTSB Logo internally illuminated projecting sign.

Extension

11 Dec 2025 · Commenced

1 notice · 1 source identity

Renovation and extension to an existing dwelling and associated

Ballinrobe, Mayo · Mayo County Council · Planning ref 21913

RENOVATION AND EXTENSION TO AN EXISTING DWELLING AND ASSOCIATED SITE WORKS ON REVISED SITE BOUNDARIES

Extension

27 Nov 2025 · Commenced

1 notice · 1 source identity

A single storey extension to an existing dwelling house

Foxford, Mayo · Mayo County Council · Planning ref P24/47

construction of a single storey extension to an existing dwelling house

ExtensionChange of use

25 Nov 2025 · Commenced

1 notice · 1 source identity

Change of use of part of building from commercial to residential

Claremorris, Mayo · Mayo County Council · Planning ref P25/60145

Change of use of part of building from commercial to residential, demolish part of building and construct first floor at Convent Road, Claremorris, Co. Mayo.

Extension

25 Nov 2025 · Commenced

1 notice · 1 source identity

Construct an extension to dwellinghouse and alter elevation of

Kiltimagh, Mayo · Mayo County Council · Planning ref P25/60503

Construct an extension to dwellinghouse and alter elevation of dwellinghouse, construct a garage and upgrade foul effluent treatment system

New buildMaterial alteration

13 Nov 2025 · Commenced

1 notice · 1 source identity

Refurbishment of the existing public house and residential

Castlebar, Mayo · Mayo County Council · Planning ref ABP-319619-24

Refurbishment of the existing public house and residential building into a proposed new residential property, comprising of the partial demolition of the existing building and the construction of a new two storey family home and all associated site works, drainage, and all service connections at 36 Spencer Street, Castlebar, County Mayo

Extension

31 Oct 2025 · Commenced

1 notice · 1 source identity

Single Storey Extension and alteration to existing Dwellinghouse

Claremorris, Mayo · Mayo County Council · Planning ref P25/172

Single Storey Extension and alteration to existing Dwellinghouse at Cuilmore Claremorris Co Mayo

New build

20 Oct 2025 · Commenced

1 notice · 1 source identity

Demolishing and re- building a house — Louisburgh

Louisburgh, Mayo · Mayo County Council · Planning ref P21/1345

Demolishing and re- building a house.

Material alteration

17 Oct 2025 · Commenced

1 notice · 1 source identity

Demolition to top of foundations and reconstruction of detached

Ballymachola, Mayo · Mayo County Council · Planning ref P25/60018

Demolition to top of foundations and reconstruction of detached dwelling house

New build

15 Oct 2025 · Commenced

1 notice · 1 source identity

A single storey dwelling — Pontoon

Pontoon, Mayo · Mayo County Council · Planning ref 2529

Construction of a single storey dwelling

Material alteration

13 Oct 2025 · Commenced

1 notice · 1 source identity

Material Alterations to an existing assembly and recreation

Castlebar, Mayo · Mayo County Council · Planning ref P25/60004

Material Alterations to an existing assembly and recreation building to provide for a day- care centre on completion together with external elevation changes to the building.

Extension

10 Oct 2025 · Commenced

1 notice · 1 source identity

A new extension to the front and rear of the existing dwelling

Drumslide, Mayo · Mayo County Council · Planning ref 23155

construction of a new extension to the front and rear of the existing dwelling with provision of first floor accommodation and the demolition of the existing front porch and rear pitched roof extension along with modifications and alterations to elevations

Extension

06 Oct 2025 · Commenced

1 notice · 1 source identity

Alterations and extension to existing dwelling house — Ardcarra

Ardcarra, Mayo · Mayo County Council · Planning ref P25/60332

Alterations and extension to existing dwelling house

New build

06 Oct 2025 · Commenced

1 notice · 1 source identity

The development consists of the construction of a new 2-story

Castlebar, Mayo · Mayo County Council · Planning ref P16/541

The development consists of the construction of a new 2-story building to host the order of Malta headquarters. The building includes offices, meeting rooms and ancillary spaces. The development also includes all associated site works, connection to existing services and additional parking spaces.

New build

04 Oct 2025 · Commenced

1 notice · 1 source identity

The installation of a permanent Dry Toilet and the refurbishment

Derrygaury, Mayo · Mayo County Council · Planning ref 2560254

the installation of a permanent Dry Toilet and the refurbishment and resurfacing of an existing carpark

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.