New build
14 Oct 2026 · Planned start
3 unique events
Ashbourne, Meath · Meath County Council · Planning ref 23873
Construction of 40 no. dwellings. Location Dublin Road, Ashbourne, Co. Meath
Reconciled event scale
70 units · 317,325 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
Unique event Works stated Scale Start date
Notice 1 Commencement notice Construction of 70 No. dwellings comprised of 40 no. 2, 3 and 4 bedroom house units, and 30 no. 1, 2, and 3 bedroom apartment units in 2 blocks, with associated public open space, roads and site works.
70 units · 317,325 m²No builder named
14 Oct 2026
Notice 2 Commencement notice The development consists of 30 apartments in two blocks connected via a bicycle store and includes associated bin store at site at south of Baltrasna Manor, Western side of the Dublin Road (R135), Ashbourne, Co. Meath
30 units · 3,388 m²No builder named
27 Sep 2024
Notice 3 Commencement notice (owner-supplied) Construction of 40 no. dwellings. Location Dublin Road, Ashbourne, Co. Meath
5,041.8 m²No builder named
27 Sep 2024
Each row is one canonical commencement event. Duplicate source wrappers are consolidated, conflicting values are withheld, and event scales are not added together.
New build
12 Oct 2026 · Planned start
1 unique event
The Hub Logistic Park, Meath · Meath County Council · Planning ref 25/87
Construction of Unit C08, (Phase 01), of the Extension Works granted under planning ref. no. 25/87, to the Hub Logistics Park, at Gunnocks, Portmanna & Clonee, Co. Meath.
Reconciled event scale
5,170 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Conflicting source value withheld
Linked to a planning application
No builder named on the notice
New build
05 Oct 2026 · Planned start
13 unique events
An Uaimh, Meath · Meath County Council · Planning ref 25/60539
Construction of 82 No. 2 storey dwelling houses, at No. 75 - 156 Athlumney, Navan, Co. Meath.
Unique event Works stated Scale Start date
Notice 1 Commencement notice Construction of 31 No. 2 storey dwelling houses, at No. 157 – 187 Athlumney, Navan, Co. Meath.
82 units · 2,972.8 m²No builder named
05 Oct 2026
Notice 2 Commencement notice Construction of Bike Store 01 for the Somerville Residential Development, Athlumney, Co.Meath
25.5 m²No builder named
30 Sep 2026
Notice 3 Commencement notice Construction of Bike Store 02 for the Somerville Residential Development, Athlumney, Co.Meath
13.5 m²No builder named
28 Sep 2026
Notice 4 Commencement notice Construction of Bike Store 03 for the Somerville Residential Development, Athlumney, Co.Meath
7.3 m²No builder named
28 Sep 2026
Notice 5 Commencement notice Construction of Bike Store 04 for the Somerville Residential Development, Athlumney, Co.Meath
15 m²No builder named
28 Sep 2026
Notice 6 Commencement notice Construction of Bike Store 05 for the Somerville Residential Development, Athlumney, Co.Meath
6.5 m²No builder named
28 Sep 2026
Notice 7 Commencement notice The Construction of a two-storey childcare facility at Sommerville, Navan, Co. Meath.
426.2 m²No builder named
29 Aug 2026
Notice 8 Commencement notice (owner-supplied) Construction of 82 No. 2 storey dwelling houses, at No. 75 - 156 Athlumney, Navan, Co. Meath.
8,692.8 m²Builder named
08 Apr 2026
Notice 9 Commencement notice (owner-supplied) Construction of 34 No. 2 storey dwelling houses, at No. 33 - 66 Athlumney, Navan, Co. Meath.
3,832.3 m²Builder named
13 Mar 2026
Notice 10 Commencement notice Construction of Duplex Block C, dwelling Nos. 29 - 32 at Athlumney, Navan, Co. Meath. This development consists of 4 No. duplex apartments in a single 3-storey block comprising 2 No. 1 bedroom, single storey apartments at ground floor, and 2 No. 2bedroom, two storey apartments above at first and second floor.
4 units · 309.8 m²No builder named
25 Feb 2026
Notice 11 Commencement notice (owner-supplied) Construction of 8 No. 2 storey dwelling houses, at No. 67 - 74 Athlumney, Navan, Co. Meath. .
834 m²Builder named
06 Feb 2026
Notice 12 Commencement notice (owner-supplied) Construction of Duplex Block B, dwelling Nos. 9 - 28 at Athlumney, Navan, Co. Meath. This development consists of 20 No. duplex apartments in a single 3-storey block comprising 4No. 1 bedroom and 6 No. 2 bedroom single storey apartments at ground floor, and 4 No. 2bedroom and 6 No. 3 bedroom 2 storey apartments above at first and second floor.
1,798.2 m²Builder named
05 Feb 2026
Notice 13 Commencement notice (owner-supplied) Construction of Duplex Block A, dwellings Nos. 1 - 8 at Athlumney, Navan, Co. Meath. This development consists of 8 No. duplex apartments in a single 3-storey block comprising 4 No. 2 bedroom single storey apartments at ground floor, and 4 No. 3 bedroom 2 storey apartments above at first and second floor.
806 m²Builder named
05 Feb 2026
Each row is one canonical commencement event. Duplicate source wrappers are consolidated, conflicting values are withheld, and event scales are not added together.
New build
05 Oct 2026 · Planned start
1 unique event
Retaine, Meath · Meath County Council · Planning ref 2660084
erection of a two storey residential property
Reconciled event scale
1 unit · 2,418 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
New build
26 Sep 2026 · Latest notice
3 unique events
Drogheda, Meath · Meath County Council · Planning ref 2460832
Construction of Block#3 PH#9 Avourwen consisting of 6no. Apartments & 6no. Duplex Units, Duleek rd, Drogheda, Co.Louth
Reconciled event scale
12 units · 1,322 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
Unique event Works stated Scale Start date
Notice 1 Commencement notice Construction of Block#2 PH#9 Avourwen consisting of 4no. Apartments & 4no. Duplex Units, Duleek rd, Drogheda, Co.Louth
8 units · 859.8 m²No builder named
26 Sep 2026
Notice 2 Commencement notice Construction of Block#3 PH#9 Avourwen consisting of 6no. Apartments & 6no. Duplex Units, Duleek rd, Drogheda, Co.Louth
12 units · 1,322 m²No builder named
26 Sep 2026
Notice 3 Commencement notice Construction of Block#1 PH#9 Avourwen consisting of 4no. Apartments & 4no. Duplex Units, Duleek rd, Drogheda, Co.Louth
8 units · 859.8 m²No builder named
16 Sep 2026
Each row is one canonical commencement event. Duplicate source wrappers are consolidated, conflicting values are withheld, and event scales are not added together.
New build
23 Sep 2026 · Latest notice
4 unique events
Dunshaughlin, Meath · Meath County Council · Planning ref 25/61019
Construction of House No.s 11-28 Oak Drive 1-2 Oak Close and 31-45 Oak Court, Cell 27 part of a residential development permitted under planning permission ABP 303433-19 as amended by MCC Reg. Ref.: 25/61019 at The Willows, Dunshaughlin, Co. Meath.
Reconciled event scale
35 units · 3,750 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Conflicting source value withheld
Linked to a planning application
No builder named on the notice
Unique event Works stated Scale Start date
Notice 1 Commencement notice Construction of shell and core Community Hub Building, Unit No.s 1-3 Ash Hall (Cell 30) part of the residential development permitted under planning permission ABP 303433-19 as amended by MCC Reg. Ref.: 25/61019 at Birch Manor, The Willows, Dunshaughlin, Co. Meath.
966 m²No builder named
23 Sep 2026
Notice 2 Commencement notice Construction of Units No.s 1-5 Willlow Hall (including shell and core cafe unit) & 25-30 Oak Court (Block A-B) part residential development permitted under planning permission ABP 303433-19 as amended by MCC Reg. Ref.: 25/61019 at Oak Drive and Oak Court, The Willows, Dunshaughlin, Co. Meath.
6 units · 1,162.8 m²No builder named
05 Aug 2026
Notice 3 Commencement notice Construction of Units No.s 1-6 Hazel Hall (Block C) part residential development permitted under planning permission ABP 303433-19 as amended by MCC Reg. Ref.: 25/61019 at Oak Drive, The Willows, Dunshaughlin, Co. Meath.
6 units · 500.5 m²No builder named
30 Jul 2026
Notice 4 Commencement notice Construction of House No.s 11-28 Oak Drive 1-2 Oak Close and 31-45 Oak Court, Cell 27 part of a residential development permitted under planning permission ABP 303433-19 as amended by MCC Reg. Ref.: 25/61019 at The Willows, Dunshaughlin, Co. Meath.
35 units · 3,750 m²No builder named
22 Jul 2026
Each row is one canonical commencement event. Duplicate source wrappers are consolidated, conflicting values are withheld, and event scales are not added together.
New build
21 Sep 2026 · Commenced
1 unique event
Dunboyne, Meath · Meath County Council · Planning ref 2560481
Construction of 6 No. dwelling houses (Phase 2)
Reconciled event scale
6 units · 618 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
Extension
18 Sep 2026 · Commenced
1 unique event
Oldcastle, Meath · Meath County Council · Planning ref 2660198
Construct single storey extension to front and side of existing workshop area and all ancillary and facilitating site works
Reconciled event scale
1,332 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
New build
16 Sep 2026 · Commenced
1 unique event
Dunboyne, Meath · Meath County Council · Planning ref 2460468
Construction of 8 apartments and the construction of the shell and core of the ground floor creche facility within Block L. 27-35 Castle Farm Court
Reconciled event scale
8 units · 900 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
Material alteration Change of use
11 Sep 2026 · Commenced
1 unique event
Ashbourne, Meath · Meath County Council · Planning ref 24/60317
Change of use of existing retail units for use as a gym; change of use of the existing vacant mezzanine spaces over Units 5–7 for use as Aparthotel accommodation; and the construction of new mezzanine floors over Units 8–10 for use as additional Aparthotel accommodation, together with all associated works. The proposed works will be undertaken on a phased basis. The planning permission as granted also provides for the construction of an additional two storeys. These additional two storeys do not form part of the current works and will be constructed at a later date. They will be the subject of separate Fire Safety Certificate and Disability Access Certificate applications and a separate Commencement Notice, as applicable.
Reconciled event scale
2,012 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
New build
09 Sep 2026 · Latest notice
3 unique events
Navan, Meath · Meath County Council · Planning ref ABP-322341-25
The development consists of the construction of 111 units comprising 3no. 2 Storey Detached, 52 no. 2 Storey Semi-Detached, 4no. 2 Storey Terraced, and 52no. 3 Storey Terraced Units.
Reconciled event scale
111 units · 13,027 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
Unique event Works stated Scale Start date
Notice 1 Commencement notice Construction of 8 residential units (ground floor apartments with duplexes above) at 30-37 Beaufort Lawn, Boyne Village, Athlumney, Co Meath
8 units · 851 m²No builder named
09 Sep 2026
Notice 2 Commencement notice Construction of 10 residential units (ground floor apartments with duplexes above) at 20-29 Beaufort Lawn, Boyne Village, Athlumney, Co Meath
10 units · 1,068 m²No builder named
09 Sep 2026
Notice 3 Commencement notice The development consists of the construction of 111 units comprising 3no. 2 Storey Detached, 52 no. 2 Storey Semi-Detached, 4no. 2 Storey Terraced, and 52no. 3 Storey Terraced Units.
111 units · 13,027 m²No builder named
07 Jul 2026
Each row is one canonical commencement event. Duplicate source wrappers are consolidated, conflicting values are withheld, and event scales are not added together.
New build
04 Sep 2026 · Latest notice
3 unique events
Athboy, Meath · Meath County Council · Planning ref 2460667
Phase 1B -Construction of 13 No Dwelling Units (House Type B (6 No. Units), House Type K (1 No. Unit), House Type K1 1 No. Unit, House Type D 3 No. Units & House Type G 2 No. Units) and all ancillary works.
Unique event Works stated Scale Start date
Notice 1 Commencement notice Construction of 2 storey block containing 8 no. 1 bedroom apartments and associated works.
8 units · 451 m²No builder named
04 Sep 2026
Notice 2 Commencement notice (owner-supplied) Phase 1B -Construction of 13 No Dwelling Units (House Type B (6 No. Units), House Type K (1 No. Unit), House Type K1 1 No. Unit, House Type D 3 No. Units & House Type G 2 No. Units) and all ancillary works.
13 units · 1,400.3 m²Builder named
21 May 2026
Notice 3 Commencement notice (owner-supplied) Phase 1A Construction of 19 No Dwelling Units (House Type A 2 No. Units, House Type B 8 No. Units, House Type K 4 No. Units, House Type H1 2 No. Units & House Type D1 3 No. Units) and all ancillary works.
2,079 m²Builder named
09 Feb 2026
Each row is one canonical commencement event. Duplicate source wrappers are consolidated, conflicting values are withheld, and event scales are not added together.
New build
04 Sep 2026 · Commenced
1 unique event
Oldcastle, Meath · Meath County Council · Planning ref 25129
Construct 7no 2 storey dwellings as part of housing development and all associated site development works.
Reconciled event scale
7 units · 694.6 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Conflicting source value withheld
Linked to a planning application
No builder named on the notice
New build
02 Sep 2026 · Commenced
1 unique event
Rathdale, Meath · Meath County Council · Planning ref 2561048
Construction of 81No. dwellings at Johnstown, Enfield, Co. Meath. The development consists of 2No. end terrace 2 storey 3 bed houses, 8No. mid terrace 2 storey 3 bed houses, 10No. end terrace adaptable 2 storey 3 bed houses, 34No. end terrace/semi-detached 2 storey 3 bed houses, 5No. mid terrace 2 storey 3 bed houses, 16No. mid terrace 2 storey 2 bed houses, and 6No. end terrace adaptable 2 storey 3 bed houses. Also includes all associated site works, connections to services including existing drainage, and a new access road to the development from the south, connecting to the existing Enfield Community College entrance road, which is accessed from the existing roundabout at the junction of the R148 and Johnstown Road.
Reconciled event scale
81 units · 8,442.2 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
New build
01 Sep 2026 · Latest notice
3 unique events
Dunshaughlin, Meath · Meath County Council · Planning ref SH307244-20 and 25134
Construction of a four storey apartment block (Block A) accommodating 15 no. apartments at No.'s 1-15 Grange Park Hall, Dunshaughlin, Co. Meath
Reconciled event scale
15 units · 1,604.7 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Conflicting source value withheld
Linked to a planning application
No builder named on the notice
Unique event Works stated Scale Start date
Notice 1 Commencement notice Construction of a four storey apartment block (Block A) accommodating 15 no. apartments at No.'s 1-15 Grange Park Hall, Dunshaughlin, Co. Meath
15 units · 1,604.7 m²No builder named
01 Sep 2026
Notice 2 Commencement notice Construction of a four-storey apartment block (Block B) accommodating 15 no. apartments at No.'s 16-30 Grange Park Hall, Dunshaughlin, Co. Meath
15 units · 1,604.7 m²No builder named
01 Sep 2026
Notice 3 Commencement notice Construction of a four storey apartment block (Block C) accommodating 15 no. apartments at No.'s 31-45 Grange Park Hall, Dunshaughlin, Co. Meath
15 units · 1,604.7 m²No builder named
01 Sep 2026
Each row is one canonical commencement event. Duplicate source wrappers are consolidated, conflicting values are withheld, and event scales are not added together.
New build Extension
28 Aug 2026 · Commenced
1 unique event
Gormanston, Meath · Meath County Council · Planning ref 25/61213
The change of use of the existing dwelling from residential to community residence, the demolition and removal of the existing rear extension to the existing dwelling, shed and greenhouse, the construction of a rear extension to the existing dwelling, the construction and operation of 5x1 bedroom residential care units, revised access, layout & landscaping, provision and construction of a new wastewater treatment system and all associated site works.
Reconciled event scale
6 units · 2,013.5 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
New build
28 Aug 2026 · Latest notice
5 unique events
Ratoath, Meath · Meath County Council · Planning ref 24/60676
Construction of House No.1 and all associated site development works.
Unique event Works stated Scale Start date
Notice 1 Commencement notice Maisonette Units 60+61 Glebe Manor, Jamestown, Ratoath, Co.Meath.
1 unit · 204.9 m²No builder named
28 Aug 2026
Notice 2 Commencement notice Maisonette Units 56 + 57 Glebe Manor, Jamestown, Ratoath, Co.Meath
1 unit · 204.9 m²No builder named
28 Aug 2026
Notice 3 Commencement notice Maisonette Units 38+39 Glebe Manor, Jamestown, Ratoath, Co.Meath
1 unit · 204.9 m²No builder named
28 Aug 2026
Notice 4 Commencement notice Maisonette Units 29+30 Glebe Manor, Jamestown, Ratoath, Co.Meath
1 unit · 204.9 m²No builder named
28 Aug 2026
Notice 5 Commencement notice (owner-supplied) Construction of House No.1 and all associated site development works.
1 unit · 144 m²Builder named
29 May 2026
Each row is one canonical commencement event. Duplicate source wrappers are consolidated, conflicting values are withheld, and event scales are not added together.
New build
27 Aug 2026 · Commenced
1 unique event
Navan, Meath · Meath County Council · Planning ref 26/60197
construction of a livestock shed with underground slatted slurry storage tanks and handling facility, and a calf rearing shed and all associated site works.
Reconciled event scale
4,176 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
New build
13 Aug 2026 · Commenced
1 unique event
Ashbourne, Meath · Meath County Council · Planning ref 2460848
Commencement of 18 No. of houses at Cherry Lane, Ashbourne, Co. Meath
Reconciled event scale
18 units · 2,038.6 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
Extension Material alteration
13 Aug 2026 · Commenced
1 unique event
Ashbourne, Meath · Meath County Council · Planning ref 25/60704
The development will consist of the following works to the existing motor sales and service facility: a) an extension of 33.5 sq.m. of showroom space to sit under the existing overhanging roof to northeast of the Toyota car showroom, b) the removal of all existing Toyota signage (6 no.) and installation of 7 new internally illuminated signs including 3 building mounted signs and 4 freestanding signs, c) all associated site works
Reconciled event scale
1,280 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
New build
11 Aug 2026 · Latest notice
3 unique events
Jamestown, Ratoath, Meath · Meath County Council · Planning ref 26/60470
CONTINUATION AND COMPLETION of House Nos4-16, 18-24, 27-28, 31-37, 40-41, 43-55 + 58-59 GLEBE MANOR, Jamestown, Ratoath, Co. Meath.
Reconciled event scale
46 units · 6,752.2 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
Unique event Works stated Scale Start date
Notice 1 Commencement notice CONTINUATION AND COMPLETION of House Nos4-16, 18-24, 27-28, 31-37, 40-41, 43-55 + 58-59 GLEBE MANOR, Jamestown, Ratoath, Co. Meath.
46 units · 6,752.2 m²No builder named
11 Aug 2026
Notice 2 Commencement notice CONTINUATION and COMPLETION of House Nos 27-28, 31-37 incl., 40-41, 43-55 incl. and 58-59 [from floor slab level]
26 units · 3,607.3 m²No builder named
06 Aug 2026
Notice 3 Commencement notice CONTINUATION AND COMPLETION of Houses nos. 4-16 incl. and 18-24 incl. [from floor slab level]
20 units · 3,144.9 m²No builder named
04 Aug 2026
Each row is one canonical commencement event. Duplicate source wrappers are consolidated, conflicting values are withheld, and event scales are not added together.
Extension
10 Aug 2026 · Commenced
1 unique event
Rathganley, Meath · Meath County Council · Planning ref 211844
Pig houses development at Larch Hill farm, Newtownrathganley, Kilcock, Co. Meath
Reconciled event scale
8,948.2 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
New build
10 Aug 2026 · Latest notice
2 unique events
Bellewstown, Meath · Meath County Council · Planning ref 25126
the construction of new dwelling house, wastewater treatment system, new road entrance and all associated siteworks
Reconciled event scale
1 unit · 191 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Conflicting source value withheld
Linked to a planning application
Builder named
C&g Whearty Bros & Sons Ltd
Unique event Works stated Scale Start date
Notice 1 Commencement notice the construction of new dwelling house, wastewater treatment system, new road entrance and all associated siteworks
1 unit · 191 m²No builder named
10 Aug 2026
Notice 2 Commencement notice (owner-supplied) the construction of new dwelling house, wastewater treatment system, new road entrance and all associated siteworks
1 unit · 191 m²Builder named
25 May 2026
Each row is one canonical commencement event. Duplicate source wrappers are consolidated, conflicting values are withheld, and event scales are not added together.
New build
05 Aug 2026 · Latest notice
4 unique events
Jamestown, Ratoath, Meath · Meath County Council · Planning ref 24/60686
Construction of houses 4-16 + 18-25 and associated site development works.
Reconciled event scale
20 units · 3,144.9 m²
Reconciled unique-event maximum
Highest unconflicted unique-event figure for each metric — events are not summed.
Linked to a planning application
No builder named on the notice
Unique event Works stated Scale Start date
Notice 1 Commencement notice Maisonette Unit 17+42 Glebe Manor, Jamestown, Ratoath, Co.Meath
2 units · 172.2 m²No builder named
05 Aug 2026
Notice 2 Commencement notice Maisonette Units 25+26 Glebe Manor, Jamestown, Ratoath, Co.Meath.
2 units · 172.2 m²No builder named
05 Aug 2026
Notice 3 Commencement notice Maisonette Units 2+3 Glebe Manor, Jamestown, Ratoath, Co.Meath
2 units · 172.2 m²No builder named
05 Aug 2026
Notice 4 Commencement notice Construction of houses 4-16 + 18-25 and associated site development works.
20 units · 3,144.9 m²No builder named
22 Jul 2026
Each row is one canonical commencement event. Duplicate source wrappers are consolidated, conflicting values are withheld, and event scales are not added together.
New build
31 Jul 2026 · Latest notice
2 unique events
Loughbracken, Meath · Meath County Council · Planning ref 2360311
Water treatment plant upgrade with new filter building
Unique event Works stated Scale Start date
Notice 1 Commencement notice Water treatment plant upgrade with new process building
36 m²No builder named
31 Jul 2026
Notice 2 Commencement notice (owner-supplied) Water treatment plant upgrade with new filter building
119 m²Builder named
25 May 2026
Each row is one canonical commencement event. Duplicate source wrappers are consolidated, conflicting values are withheld, and event scales are not added together.