Site starts

Every commencement project, and every notice underneath it

520 commencement projects in the last 12 months

Showing 151 to 175 of 520 projects

New build
01 Jul 2026 · Commenced
1 unique event

To construct 4 number houses on an infill site at 15-18

Knock, Mayo · Mayo County Council · Planning ref 25/60722

To construct 4 number houses on an infill site at 15-18 Carrowmore Meadows. These dwellings will consist of 4 number four-bedroom semi-detached houses. The houses will connect to the existing estate utility services
New build
01 Jul 2026 · Commenced
1 unique event

New dwelling house and on-site wastewater treatment system

Killala, Mayo · Mayo County Council · Planning ref P21/1290

construction of new dwelling house and on-site wastewater treatment system together with ancillary site development works
New build
01 Jul 2026 · Commenced
1 unique event

Dwelling House with adjoining domestic garage, new treatment

Brickens, Mayo · Mayo County Council · Planning ref 25/60530

Construction of Dwelling House with adjoining domestic garage, new treatment system and precolation area and all ancillary site development works
Extension
01 Jul 2026 · Commenced
1 unique event

First floor extension to dwelling house, incorporating the

Claremorris, Mayo · Mayo County Council · Planning ref 2660165

Construction of first floor extension to dwelling house, incorporating the raising of the existing roof eaves and ridge heights, construction of a rear extension to replace the existing, replacement of the roof to the front porch with a flat roof and all ancillary works
New build
30 Jun 2026 · Commenced
1 unique event

A housing development with a total of 50 no. dwellings in

Ballina, Mayo · Mayo County Council · Planning ref 2560008

Construction of a housing development with a total of 50 no. dwellings in detached, semi-detached and terrace configurations, consisting of 19 no. 5-bed detached houses, 6 no. 4-bed semi-detached houses, 2 no. 3-bed semi-detached houses, 1 no. 3-bed detached house, 10 no. 3-bed terrace houses, 11 no. 2-bed terrace houses and 1 no. 2 bed detached single storey house. Associated development and works including the extension of existing pedestrian and vehicular access to Lansyn Bohernasup, all hard and soft landscaping, internal roads and footpaths, cycle and car parking, public and private amenities and open spaces, boundary treatments, public lighting, and all other ancillary works above and below ground including connections to water supply, surface water infrastructure, wastewater infrastructure and utilities.
New build
30 Jun 2026 · Latest notice

A single storey detached domestic garage — Sraheens

Sraheens, Mayo · Mayo County Council · Planning ref P25/60069

Construction of a single storey detached domestic garage.
New build
30 Jun 2026 · Latest notice

Detached single storey domistic garage — Ballina

Ballina, Mayo · Mayo County Council · Planning ref P25/60391

Construction of Detached single storey domistic garage.
New build
30 Jun 2026 · Commenced
1 unique event

A new two-storey dwelling on a greenfield site, on-site

Derrycar, Mayo · Mayo County Council · Planning ref 2560647

Construction of a new two-storey dwelling on a greenfield site, on-site wastewater system, and all associated site development works.
New build
30 Jun 2026 · Commenced
1 unique event

25-219 Construction of a dwelling house, upgrade of existing

Louisburgh, Mayo · Mayo County Council · Planning ref 25/60683

25-219 Construction of a dwelling house, upgrade of existing vehicular access point with proprietary waste water treatment system, percolation area and all associated site works at Moneen, Louisburgh, Co. Mayo
Extension
29 Jun 2026 · Commenced
1 unique event

A single story front entrance porch and all ancillary works

Carrowbeg, Mayo · Mayo County Council · Planning ref P25/237

The construction of a single story front entrance porch and all ancillary works
New build
29 Jun 2026 · Commenced
1 unique event

Dwelling house + installation off eff — Baurhave

Baurhave, Mayo · Mayo County Council · Planning ref 2560623

Erection of dwelling house + installation off eff. treatment system including site development works.
New build
29 Jun 2026 · Commenced
1 unique event

Construct a private dwelling house, proprietary treatment system

Headford, Mayo · Mayo County Council · Planning ref P25/183

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

Dwelling house, onsite wastewater treatment system and all

Cross, Mayo · Mayo County Council · Planning ref P21/522

Construction of dwelling house, onsite wastewater treatment system and all ancillary site works
Material alteration
25 Jun 2026 · Commenced
1 unique event

Demolition to top of foundations and reconstruction of detached

Strade, Mayo · Mayo County Council · Planning ref P24/60521

Demolition to top of foundations and reconstruction of detached two storey dwelling house.
Extension
25 Jun 2026 · Commenced
1 unique event

35sq meter single storey extension to an existing dwelling house

Cong, Mayo · Mayo County Council · Planning ref 2560885

35sq meter single storey extension to an existing dwelling house.1
ExtensionMaterial alteration
24 Jun 2026 · Commenced
1 unique event

An extension to the existing dwelling house, including internal

Achill, Mayo · Mayo County Council · Planning ref P26/60122

Construction of an extension to the existing dwelling house, including internal alterations, together with all ancillary site works.
New build
24 Jun 2026 · Commenced
1 unique event

A new dwelling and all associated site development works

Carrownurlaur, Mayo · Mayo County Council · Planning ref 2560358

Construction of a new dwelling and all associated site development works
New build
23 Jun 2026 · Commenced
1 unique event

Reinstatement of ground works for proposed agricultural access

Westport, Mayo · Mayo County Council · Planning ref P25/60491

Reinstatement of ground works for proposed agricultural access, provide access via existing private access road, permission to construct a private dwelling house with an effluent treatment system including all ancillary site works.
New build
23 Jun 2026 · Commenced
1 unique event

Dwelling house & wastewater treatment system — Cloonawillin

Cloonawillin, Mayo · Mayo County Council · Planning ref 25/60845

Construction of dwelling house & wastewater treatment system
Extension
22 Jun 2026 · Latest notice

To renovate and extend existing dwelling house, widen existing

Ballina, Mayo · Mayo County Council · Planning ref 2660151

To renovate and extend existing dwelling house, widen existing domestic site entrance and to carry out all ancillary site works.
Extension
22 Jun 2026 · Commenced
1 unique event

A 51 m² single-storey extension to the north side of the

Barrack Hill, Mayo · Mayo County Council · Planning ref P2660062

Construction of a 51 m² single-storey extension to the north side of the existing dwelling
New build
19 Jun 2026 · Latest notice

Single Storey Domestic Garage — Claremorris

Claremorris, Mayo · Mayo County Council · Planning ref P25/481

Single Storey Domestic Garage
New build
19 Jun 2026 · Commenced
1 unique event

Construct a private dwelling house, proprietary treatment system

Newbrook, Mayo · Mayo County Council · Planning ref P25/212

Construct a private dwelling house, proprietary treatment system
New build
19 Jun 2026 · Commenced
1 unique event

Construct a private dwelling house with connection to public

Westport, Mayo · Mayo County Council · Planning ref P24/60759

Construct a private dwelling house with connection to public sewers
New build
19 Jun 2026 · Commenced
1 unique event

26-078 Demolish existing derelict house and construct a new

Lower Aghamore, Mayo · Mayo County Council · Planning ref 25/60914

26-078 Demolish existing derelict house and construct a new dwelling house with a waste water treatment plant, percolation area and all associated site works at Rath,Co Mayo.
Search and filters1 active
142,608 Projects grouped by planning ref
158,374 Notices individual commencement notices
10,190 Multi-notice projects phased or revised starts
42,039 Named-builder notices builder stated on the notice
13,624 In this window 12 months · 15,039 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 · 03 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.