Latest commencement records.

275 commencement notices give a start date this week, for 264 projects on PlanningBrief. Each is counted by the start date on the notice, not the day we added it.

7–13 Sep 2026 Week275 notices275 link to the official notice275 linked to a project26 counties432 units stated

Largest projects starting this week

Linked projects · largest stated units, never a sum

All commencement notices in the latest update

275 records

Dublin 15, Dublin

DublinFingal County CouncilPlanning ref FW26A/0175E

The development will consist of: Permission sought for new ground floor front and rear extensions, new rear ground floor lantern raised rooflight, new ground floor entrance door to existing side passage, new first floor front extension to include rooflight to side and roof alterations, new ground floor projecting canopies to side and rear, new first floor rear window, new first floor obscure glazed side windows, new external insulation finish to all existing and new external elevations, removal of existing chimney stack, internal alterations, new permeable hard landscaping to rear and all other associated ancillary site development works. Retention Permission sought for modifications of existing external window and door openings to front, rear and side at both ground and first floor levels, construction of new window openings to front, rear and side at both ground and first floor levels, removal of existing first floor side window, internal alterations and all other associated alterations.

Start date 8 Sep 2026Start date 8 Sep 20261 units (phase)
Planning caseCommencement noticeCommencement group

Westport, Mayo

MayoMayo County CouncilPlanning ref 2560617

to construct domestic dwelling house, new Treatment system and percolation area, and all ancillary site development works at Moyour, Kilmeena, Westport, Co. Mayo.

Start date 8 Sep 2026Start date 8 Sep 20261 units (phase)
Planning caseCommencement noticeCommencement group

Killarney, Kerry

KerryKerry County CouncilPlanning ref 25/61086

To (1) demolish single storey annex to rear of dwelling (2) demolish existing detached shed in rear garden (3) renovate and extend existing dwelling, along with elevational changes (4) construct a detached shed in rear garden (5) all ancillary site works

Start date 8 Sep 2026Start date 8 Sep 20261 units (phase)
Planning caseCommencement noticeCommencement group

Dublin 2, Dublin

DublinDublin City Council

Office fitout works to part Upper Ground and First Floor levels, to include demolition of existing internal partitions and ceilings and construction of new internal partitions and ceilings to form open plan office space, meeting rooms, reception area and kitchen/dining spaces. Associated adjustments and additions to existing Mechanical & Electrical services and replacement of doors to landlord cores included. No additional floor area is proposed to be created and the works do not involve the subdivision of any tenancies, and as such, it is considered that there is no requirement for a Fire Safety Certificate application.

Start date 8 Sep 2026Start date 8 Sep 2026
Commencement noticeCommencement group

Dublin 11, Dublin

DublinDublin City CouncilPlanning ref WEB1797/26

First floor side extension + new rooflight to side elevation over existing single story structure with internal alterations and associated site works

Start date 8 Sep 2026Start date 8 Sep 2026
Commencement noticeCommencement group

Ballincollig, Cork

CorkCork City CouncilPlanning ref 25/44451

Demolition of an existing single storey section of a two storey detached dwelling and the construction of a new two storey and single storey side extension, modifications to the existing drive including the widening of the existing gateway and all associated site works.

Start date 8 Sep 2026Start date 8 Sep 20261 units (phase)
Commencement noticeCommencement group

Garnafailagh, Westmeath

WestmeathWestmeath County CouncilPlanning ref 2560618

Extend existing house into an existing adjacent domestic garage. The notice will also include a rear extension, changes to the existing elevations and all associated site works and drainage.

Start date 8 Sep 2026Start date 8 Sep 20261 units (phase)
Planning caseCommencement noticeCommencement group

Dublin 5, Dublin

DublinDublin City CouncilPlanning ref WEB5233/25

Changes to front and side elevations including: (a) new ground floor window and door openings to the side elevation and (b) addition of warm roof insulation and finish to existing garage roof structure. Internal alterations and renovations.

Start date 8 Sep 2026Start date 8 Sep 2026
Planning caseCommencement noticeCommencement group

Grellagh, Cavan

CavanCavan County CouncilPlanning ref 21709

The proposed construction of a new two-storey dwelling, domestic garage, upgrade existing agricultural entrance, effluent treatment system and all associated site works.

Start date 8 Sep 2026Start date 8 Sep 20261 units (phase)
Planning caseCommencement noticeCommencement group

Clara, Offaly

OffalyOffaly County CouncilPlanning ref 2660134

(A) the demolition of previous extension to the rear of existing dwelling and the demolition of the existing outbuilding. (B) a new extension to the existing dwelling, renovation works to the existing dwelling, demolition of 2 no. chimneys, change of the porch roof on the front elevation from a flat roof to a pitched roof, a new door opening on the west elevation of the existing dwelling, a new domestic garage, a new wastewater treatment system, a new entrance and all associated site works

Start date 8 Sep 2026Start date 8 Sep 20261 units (phase)
Planning caseCommencement noticeCommencement group

Dublin, Dublin

DublinDún-Laoghaire Rathdown County CouncilPlanning ref D26A/0162/WEB

The development will consist of demolitions & modifications to the existing detached single-storey dwelling and the construction of a new 39sqm single-storey extension to the rear (Planning Exempted Development). Modifications to the existing dwelling include: Removal of the existing side/front Garage; Removal of the existing side/rear Utility/WC & Shed; Removal of the existing Rear Conservatory/Sun Room; Removal of rear chimney; New Window/Door Openings and Modifications to Existing Window/Door Openings; Modification & Widening of Existing Vehicular Entrance. All along with associated site works & services.

Start date 8 Sep 2026Start date 8 Sep 20261 units (phase)
Planning caseCommencement noticeCommencement group

Dublin, Dublin

DublinDún-Laoghaire Rathdown County CouncilPlanning ref D24B/0353/WEB

Conversion of existing attic space comprising of modification of existing roof structure, new gable window, new access stairs, 2no. roof windows to the front and flat roof dormer to the rear.

Start date 8 Sep 2026Start date 8 Sep 2026
Planning caseCommencement noticeCommencement group

Ballyonan, Offaly

OffalyOffaly County CouncilPlanning ref ABP Case no. 309491

Construction for a new control building (EirGrid building) within a new 110kV substation, associated 110kV underground grid connection, cabling and associated works.

Start date 7 Sep 2026Start date 7 Sep 2026
Commencement noticeCommencement group

Dublin 2, Dublin

DublinDublin City Council

Material alterations and proposed tenant fit-out for Victoria’s Secret of existing unit 01 at ground floor level of the existing mixed-use development known as Project Kells, located at the junction of Dawson and Nassau Street, Dublin 2.

Start date 7 Sep 2026Start date 7 Sep 2026
Commencement noticeCommencement group

Portlaoise, Laois

LaoisLaois County CouncilPlanning ref 2560311

Continuation of housing estate, Dargan Woods.The construction of 4 Apartment units. The development includes all ancillary works to include an access road and footpaths, public lighting, water servicing including foul and storm water, landscaping and all ancillary site works

Start date 7 Sep 2026Start date 7 Sep 20264 units (phase)
Planning caseCommencement noticeCommencement group

Golden, Tipperary

TipperaryTipperary County CouncilPlanning ref 2560931

construction of a dormer type bungalow, domestic garage, effluent treatment tank and percolation system, and entrance

Start date 7 Sep 2026Start date 7 Sep 20261 units (phase)
Commencement noticeCommencement group

Newbridge, Kildare

KildareKildare County CouncilPlanning ref P92022.21

Newbridge Library – Construction of a new 3-storey library building and refurbishment of the existing 2-storey protected library building and associated works, including the construction of a new bin store and localised works to the Riverbank Arts Centre.

Start date 7 Sep 2026Start date 7 Sep 2026
Commencement noticeCommencement group

Mayfield, Cork

CorkCork City CouncilPlanning ref 26/44470

permission for an attic dormer extension to the front elevation of our dwelling house with all associated site works.

Start date 7 Sep 2026Start date 7 Sep 20261 units (phase)
Commencement noticeCommencement group

Castlebar, Mayo

MayoMayo County CouncilPlanning ref 201041

Construction of 4no., two storey Houses and all ancillary siteworks and services at Riverside, Newtown, Castlebar, Co. Mayo

Start date 7 Sep 2026Start date 7 Sep 20264 units (phase)
Commencement noticeCommencement group

Keel, Mayo

MayoMayo County CouncilPlanning ref P25/60548

The development will consist of the construction of a one and half storey dwelling house and detached domestic garage with connection to public sewer and all associated site works

Start date 7 Sep 2026Start date 7 Sep 20261 units (phase)
Planning caseCommencement noticeCommencement group

Dublin, Dublin

DublinFingal County CouncilPlanning ref FW26A/0155E

Proposed change of use of existing ground floor retail unit to class 2 banking use, including material alterations comprising of new internal fit out and partial elevational changes

Start date 7 Sep 2026Start date 7 Sep 2026
Planning caseCommencement noticeCommencement group
How this is counted

Only notices linked to a project are grouped. When one project has several notices this week, it shows the largest number of units stated on any of them, never a sum. Every notice stays in the list with its own start date. Figures cover 7–13 Sep 2026.