Site starts

Every commencement project, and every notice underneath it

480 commencement projects in the last 12 months

Showing 1 to 25 of 480 projects

New build
06 Oct 2026 · Planned start
1 unique event

A new dwelling house — Castlebar

Castlebar, Mayo · Mayo County Council · Planning ref 2660162

Construction of a new dwelling house
New build
05 Oct 2026 · Planned start
1 unique event

The development will consist of the (1) demolition of existing

Foxford, Mayo · Mayo County Council · Planning ref P26/60148

The development will consist of the (1) demolition of existing dwelling house and shed, (2) construction of a replacement dwelling house with attached independent living unit, (3) upgrading of existing wastewater treatment system with new treatment plant and soil polishing filter, and all associated site works.
New build
05 Oct 2026 · Planned start
1 unique event

A new dwelling house — Achill Sound

Achill Sound, Mayo · Mayo County Council · Planning ref 2460558

Construction of a new dwelling house
New build
02 Oct 2026 · Commenced
1 unique event

Construct a private dwelling house, proprietary treatment system

Killateeaun, Mayo · Mayo County Council · Planning ref 23/60498

Construct a private dwelling house, proprietary treatment system and percolation area.
New build
02 Oct 2026 · Commenced
1 unique event

A single storey domestic storage shed together with all

Ardcarra, Mayo · Mayo County Council · Planning ref 2560755

CONSTRUCTION OF A SINGLE STOREY DOMESTIC STORAGE SHED TOGETHER WITH ALL ANCILLARY SITE WORKS
Extension
02 Oct 2026 · Commenced
1 unique event

Extension to the rear of an existing dwelling — Cornboy

Cornboy, Mayo · Mayo County Council · Planning ref 2560725

Extension to the rear of an existing dwelling.
New build
01 Oct 2026 · Commenced
1 unique event

Phase 1 of Development: Construction of the first 4no. 3-Bed

Balla, Mayo · Mayo County Council · Planning ref 2560936

Phase 1 of Development: Construction of the first 4no. 3-Bed Semi-Detached Dwellings forming part of a total scheme for 12no. new dwellings; connection to existing services together with all ancillary site development works.
Extension
01 Oct 2026 · Commenced
1 unique event

24-259 The development will consist of the renovation of an

Ballyvary, Mayo · Mayo County Council · Planning ref 2660273

24-259 The development will consist of the renovation of an existing dwelling and the construction of a single storey extension, along with any associated site development works at Knockavrony, Ballyvary, Co. Mayo
New build
01 Oct 2026 · Commenced
1 unique event

To construct 1no. new single-story ICF built domestic dwelling

Cloontia, Mayo · Mayo County Council · Planning ref 2660174

To construct 1no. new single-story ICF built domestic dwelling at Tawnaghbeg, Cloontia, Co. Mayo
New build
30 Sep 2026 · Commenced
1 unique event

A new dwelling house, installation of a wastewater treatment

Carrownahaun, Mayo · Mayo County Council · Planning ref P26/60060

Construction of a new dwelling house, installation of a wastewater treatment system and all associated site works
New build
30 Sep 2026 · Commenced
1 unique event

A single storey dwelling house with effluent treatment system

Toomore West, Mayo · Mayo County Council · Planning ref 26/60375

CONSTRUCTION OF A SINGLE STOREY DWELLING HOUSE WITH EFFLUENT TREATMENT SYSTEM TOGETHER WITH SITE ACCESS, COMPLETE WITH SERVICES AND ALL ASSOCIATED SITE WORKS
Extension
30 Sep 2026 · Commenced
1 unique event

Extension to existing house — Manulla

Manulla, Mayo · Mayo County Council · Planning ref P26/101

Extension to existing house
New build
28 Sep 2026 · Commenced
1 unique event

A dwellinghouse on top of previously constructed foundations

Knappaghmore, Mayo · Mayo County Council · Planning ref 2660214

Construction of a dwellinghouse on top of previously constructed foundations, construction of site access approach road and waste water treatment plant and percolation area and associated site works.
Material alteration
28 Sep 2026 · Commenced
1 unique event

Demolition to top of foundation and reconstruction of two storey

Rathlacken, Mayo · Mayo County Council · Planning ref P24/60509

Demolition to top of foundation and reconstruction of two storey detached dwelling house, together with all associated site works
New buildExtension
25 Sep 2026 · Commenced
1 unique event

24-162 The extension and renovation of the existing part built

Killateeaun, Mayo · Mayo County Council · Planning ref 25/60299

24-162 The extension and renovation of the existing part built derelict dwelling, together with the proprietary treatment system and all associated site works at the above address at Derrypark,1Tourmakeady, Claremorris, Co. Mayo
New build
25 Sep 2026 · Commenced
1 unique event

A new dwelling domestic house and garage — Ballina

Ballina, Mayo · Mayo County Council · Planning ref 2660044

Construction of a new dwelling domestic house and garage
New build
24 Sep 2026 · Commenced
1 unique event

A new residential dwelling house that will connect to the

Lisloughrey, Mayo · Mayo County Council · Planning ref 25/60598

The construction of a new residential dwelling house that will connect to the existing sewerage pump system, along with all ancillary site works and services at Lisloughrey
Material alteration
23 Sep 2026 · Commenced
1 unique event

Material Alterations to existing dwelling house and ancillary

WESTPORT, Mayo · Mayo County Council · Planning ref 25503

Material Alterations to existing dwelling house and ancillary shop
Extension
21 Sep 2026 · Commenced
1 unique event

Extension & Alterations to Existing Dwelling House — Derrynamuck

Derrynamuck, Mayo · Mayo County Council · Planning ref P25426

Extension & Alterations to Existing Dwelling House
New build
18 Sep 2026 · Latest notice

Single story domestic garage — Claremorris

Claremorris, Mayo · Mayo County Council · Planning ref P25/512

single story domestic garage
New build
18 Sep 2026 · Commenced
1 unique event

The development consists of the construction of a single storey

Roundfort, Mayo · Mayo County Council · Planning ref 2660096

The development consists of the construction of a single storey detached private dwelling house.
Extension
18 Sep 2026 · Commenced
1 unique event

House Extension at Carralavin, Bonniconlon, Ballina, Co. Mayo

Carralavin Upper, Mayo · Mayo County Council · Planning ref 2660192

House Extension at Carralavin, Bonniconlon, Ballina, Co. Mayo.
New build
18 Sep 2026 · Commenced
1 unique event

Single Storey Light Industrial Building — Ballyhaunis

Ballyhaunis, Mayo · Mayo County Council · Planning ref 2560659

Single Storey Light Industrial Building
ExtensionMaterial alteration
15 Sep 2026 · Commenced
1 unique event

Renovation and extension of existing dwelling house — Drumbaun

Drumbaun, Mayo · Mayo County Council · Planning ref 2660037

Renovation and extension of existing dwelling house.
Extension
15 Sep 2026 · Commenced
1 unique event

Ground floor extension and minor alteration works to dwelling to

Ballinrobe, Mayo · Mayo County Council · Planning ref 26/60032

Ground floor extension and minor alteration works to dwelling to include alterations to some windows and doors
Search and filters2 active
142,539 Projects grouped by planning ref
158,300 Notices individual commencement notices
10,185 Multi-notice projects phased or revised starts
42,039 Named-builder notices builder stated on the notice
13,589 In this window 12 months · 14,999 notices

Every commencement project we hold, grouped by council and full planning reference. Repeated copies of the same notice are counted once; switch to Notices to see every notice.

Commencements / all projects and notices / Latest planned start Index refreshed nightly · 02 Oct 2026

Counting and privacy. Projects group only where the exact canonical planning authority and full planning reference match. Known official wrappers around the same notice are one event; different dated commencement events remain separate. Highest unconflicted event units and floor area are shown, never summed. Personal names, contact details, Eircodes and private addresses are not shown.

Keep this commencement search working

Create an alert for this exact filter set, inspect only the mapped public locations, or use the weekly briefing. Unmatched planning references remain visibly source-limited.