Builder profile

Sean Regan Ltd commencement pipeline.

26 commencement notices linked to this company builder. Counties: Dublin, Kildare. Latest commencement date: 2026-03-18.

Last updated 2026-06-13 08:42 UTC owner-supplied commencement data

26 notices

Commencement history

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Owner-supplied commencement export / CN0139607DC / 2026-03-18

48 Dartmouth Square East. Demolition of single storey 5sqm outbuilding to rear; Construction of single storey 40sqm extension to rear lower ground floor level comprising family kitchen; Construction of 36sqm two storey rear return

48 Dartmouth Square East. Demolition of single storey 5sqm outbuilding to rear; Construction of single storey 40sqm extension to rear lower ground floor level comprising family kitchen; Construction of 36sqm two storey rear return

Notice
Commencement Notice with Opt Out Declaration
Commencement
2026-03-18
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dublin City Council
Builder
Sean Regan Ltd
Units / floor
units unknown / 266.5 m2
Current commencementCommencement Notice with Opt Out DeclarationOwner exportOther commencementProtected structure
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref WEB2327/24
Owner-supplied commencement export / CN0123518DR / 2024-12-23

Infill residential development of a two-storey terrace of three 2 bedroom dwellings and associated site works

Infill residential development of a two-storey terrace of three 2 bedroom dwellings and associated site works

Notice
Commencement Notice With Compliance Documentation
Commencement
2024-12-23
Source
Owner-supplied commencement export; no public source URL
Location
Killiney, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Sean Regan Ltd
Units / floor
3 units / 795 m2
Current commencementCommencement Notice With Compliance DocumentationOwner exportSubstantial building worksProtected structure
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref D22A/0617; ABP-315000-22
Owner-supplied commencement export / CN0122819DR / 2024-12-12

Construction of a single detached 4 bedroom mews (two- storey) and internal access roadway and associated site works. Site is accessed off an existing entrance to Harrow House, Church Road, Killiney, Co Dublin

Construction of a single detached 4 bedroom mews (two- storey) and internal access roadway and associated site works. Site is accessed off an existing entrance to Harrow House, Church Road, Killiney, Co Dublin

Notice
Commencement Notice with Opt Out Declaration
Commencement
2024-12-12
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Sean Regan Ltd
Units / floor
1 units / 171 m2
Current commencementCommencement Notice with Opt Out DeclarationOwner exportOne-off dwellingProtected structure
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref D22A/0617; ABP-315000-22
Owner-supplied commencement export / CN0122272DR / 2024-11-19

Demolition of a single storey rear return and construction of a new single and two storey rear extension, internal and external alterations, new rear dormer to existing attic level, garage conversion to front, widening of existing vehicu...

Demolition of a single storey rear return and construction of a new single and two storey rear extension, internal and external alterations, new rear dormer to existing attic level, garage conversion to front, widening of existing vehicu...

Notice
Commencement Notice with Opt Out Declaration
Commencement
2024-11-19
Source
Owner-supplied commencement export; no public source URL
Location
Co Dublin, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Sean Regan Ltd
Units / floor
1 units / 264.2 m2
Current commencementCommencement Notice with Opt Out DeclarationOwner exportOther commencement
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref D24A/0127
Owner-supplied commencement export / CN0114294DR / 2024-05-06

Ground and first floor extensions (masonry construction) and alterations & refurbishment works to existing 2-storey detached dwelling

Ground and first floor extensions (masonry construction) and alterations & refurbishment works to existing 2-storey detached dwelling

Notice
Commencement Notice with Opt Out Declaration
Commencement
2024-05-06
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Sean Regan Ltd
Units / floor
1 units / 200 m2
Current commencementCommencement Notice with Opt Out DeclarationOwner exportDomestic extension / garage
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref D23A/0512
Owner-supplied commencement export / CN0108905DR / 2024-01-22

Change of use from office to dwelling together with alterations and renovations including site owrks to a three storey building which is a protected structure

Change of use from office to dwelling together with alterations and renovations including site owrks to a three storey building which is a protected structure

Notice
Commencement Notice with Opt Out Declaration
Commencement
2024-01-22
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Sean Regan Ltd
Units / floor
1 units / 320 m2
Current commencementCommencement Notice with Opt Out DeclarationOwner exportCommercial / public worksProtected structure
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref D23A/0069 and D23A/0536
Owner-supplied commencement export / CN0104601DR / 2023-08-31

The development will consist of: Removal of the existing single storey glass house the side. Construction of a new single storey extension to the side and all associated ancillary landscaping and site development works

The development will consist of: Removal of the existing single storey glass house the side. Construction of a new single storey extension to the side and all associated ancillary landscaping and site development works

Notice
Commencement Notice with Opt Out Declaration
Commencement
2023-08-31
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Sean Regan Ltd
Units / floor
1 units / 50.6 m2
Current commencementCommencement Notice with Opt Out DeclarationOwner exportDomestic extension / garage
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref D23A/0194
Owner-supplied commencement export / CN0095465DC / 2022-11-14

Demolition of 46sqm single storey extension to domestic private dwelling and construction of new 100sqm extension. Refurbishment and remodeling of rear elevation and roof to create 15sqm bedroom at second floor

Demolition of 46sqm single storey extension to domestic private dwelling and construction of new 100sqm extension. Refurbishment and remodeling of rear elevation and roof to create 15sqm bedroom at second floor

Notice
Commencement Notice with Opt Out Declaration
Commencement
2022-11-14
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dublin City Council
Builder
Sean Regan Ltd
Units / floor
units unknown / 434 m2
Current commencementCommencement Notice with Opt Out DeclarationOwner exportDomestic extension / garageProtected structure
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref 2015/21 2860/20
Owner-supplied commencement export / CN0094359DR / 2022-10-15

The development will consist of 2 minor modifications to the façades, the provision of a new external balcony to the rear

The development will consist of 2 minor modifications to the façades, the provision of a new external balcony to the rear

Notice
Commencement Notice with Opt Out Declaration
Commencement
2022-10-15
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Sean Regan Ltd
Units / floor
1 units / 438 m2
Current commencementCommencement Notice with Opt Out DeclarationOwner exportOther commencement
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref D20A/0465
Owner-supplied commencement export / CN0094066DR / 2022-10-04

The development will consist of change of use of storage rooms

The development will consist of change of use of storage rooms

Notice
Commencement Notice with Opt Out Declaration
Commencement
2022-10-04
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Sean Regan Ltd
Units / floor
1 units / 156.5 m2
Current commencementCommencement Notice with Opt Out DeclarationOwner exportOther commencement
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref D21A0993
Owner-supplied commencement export / CN0093541DC / 2022-09-16

Demolition of the rear single storey extension and the construction of a 2 storey domestic extension of 6 bedrooms including an external access to a roof service area and green roof

Demolition of the rear single storey extension and the construction of a 2 storey domestic extension of 6 bedrooms including an external access to a roof service area and green roof

Notice
Commencement Notice with Opt Out Declaration
Commencement
2022-09-16
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dublin City Council
Builder
Sean Regan Ltd
Units / floor
units unknown / 208 m2
Current commencementCommencement Notice with Opt Out DeclarationOwner exportOther commencementProtected structure
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref 3695/20
Owner-supplied commencement export / CN0082924DC / 2021-11-02

PROTECTED STRUCTURE: The removal of an existing sash window to the rear basement and replacement with double doors, the widening of the existing pedestrian entrance to the front garden to provide vehicle access and off street parking, an...

PROTECTED STRUCTURE: The removal of an existing sash window to the rear basement and replacement with double doors, the widening of the existing pedestrian entrance to the front garden to provide vehicle access and off street parking, an...

Notice
Commencement Notice with Opt Out Declaration
Commencement
2021-11-02
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dublin City Council
Builder
Sean Regan Ltd
Units / floor
units unknown / 156 m2
Current commencementCommencement Notice with Opt Out DeclarationOwner exportOther commencementProtected structure
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref 3366/18
Owner-supplied commencement export / CN0080719DC / 2021-09-01

Extension to rear and dormer extension, alterations to side gable and elevations of an end of terrace two storey dwelling

Extension to rear and dormer extension, alterations to side gable and elevations of an end of terrace two storey dwelling

Notice
Commencement Notice Without Compliance Documentation
Commencement
2021-09-01
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dublin City Council
Builder
Sean Regan Ltd
Units / floor
units unknown / 165 m2
Current commencementCommencement Notice Without Compliance DocumentationOwner exportDomestic extension / garage
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref 2691/20
Owner-supplied commencement export / CN0065813KE / 2020-07-14

Construction of a new Gate Lodge /dwelling accommodation using traditional construction including all ancillary works

Construction of a new Gate Lodge /dwelling accommodation using traditional construction including all ancillary works

Notice
Commencement Notice with Opt Out Declaration
Commencement
2020-07-14
Source
Owner-supplied commencement export; no public source URL
Location
Kilcullen, Kildare
Council
Kildare County Council
Owner company
Clementville LTD
Builder
Sean Regan Ltd
Units / floor
1 units / 210 m2
Current commencementCommencement Notice with Opt Out DeclarationOwner exportOne-off dwellingProtected structure
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref 19/1302
Owner-supplied commencement export / CN0059560DC / 2019-11-28

Part demolition of single storey side garage, new single and two storey side and rear extension and minor internal works

Part demolition of single storey side garage, new single and two storey side and rear extension and minor internal works

Notice
Commencement Notice with Opt Out Declaration
Commencement
2019-11-28
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dublin City Council
Builder
Sean Regan Ltd
Units / floor
1 units / 188.6 m2
Current commencementCommencement Notice with Opt Out DeclarationOwner exportOther commencement
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref 2332/19
Owner-supplied commencement export / CN0047694DR / 2019-01-31

Construction of a new detached mews dwelling to the rear of 34 Sandycove Road, Sandycove, Co Dublin

Construction of a new detached mews dwelling to the rear of 34 Sandycove Road, Sandycove, Co Dublin

Notice
Commencement Notice with Opt Out Declaration
Commencement
2019-01-31
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Sean Regan Ltd
Units / floor
1 units / 115 m2
Current commencementCommencement Notice with Opt Out DeclarationOwner exportOne-off dwellingProtected structure
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref An Bord Pleanála Reference Number: PL 06D.242859
Owner-supplied commencement export / CN0045619DR / 2018-11-09

Conversion of the building from 3 self- contained apartments to a single-family dwelling, to include re-configuration of internal partitions, replacement of all building services, formation of 2 new window openings to the side gable wall

Conversion of the building from 3 self- contained apartments to a single-family dwelling, to include re-configuration of internal partitions, replacement of all building services, formation of 2 new window openings to the side gable wall

Notice
Commencement Notice Without Compliance Documentation
Commencement
2018-11-09
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Sean Regan Ltd
Units / floor
1 units / 231 m2
Current commencementCommencement Notice Without Compliance DocumentationOwner exportHousing phaseProtected structure
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref P/0503/18
Owner-supplied commencement export / CN0043593DR / 2018-09-13

Works entail conservation works, reinstatement of sub- divided structure as a single-family dwelling, minor internal and external works and ancillary site works at a protected structure

Works entail conservation works, reinstatement of sub- divided structure as a single-family dwelling, minor internal and external works and ancillary site works at a protected structure

Notice
Commencement Notice with Opt Out Declaration
Commencement
2018-09-13
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Sean Regan Ltd
Units / floor
1 units / 396 m2
Current commencementCommencement Notice with Opt Out DeclarationOwner exportOther commencementProtected structure
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref D18A/0248
Owner-supplied commencement export / CN0033511KE / 2017-11-07

Demolition of existing sun room structure to the rear of Castlemartin House, a protected structure, and construction of replacement orangerie and associated internal works to garage below

Demolition of existing sun room structure to the rear of Castlemartin House, a protected structure, and construction of replacement orangerie and associated internal works to garage below

Notice
Commencement Notice with Opt Out Declaration
Commencement
2017-11-07
Source
Owner-supplied commencement export; no public source URL
Location
Kilcullen, Kildare
Council
Kildare County Council
Builder
Sean Regan Ltd
Designer
Henry J Lyons Architects James Horan
Units / floor
units unknown / floor unknown
Current commencementCommencement Notice with Opt Out DeclarationOwner exportDomestic extension / garageProtected structure
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Planning ref 17/469
Owner-supplied commencement export / CN0031018FL / 2017-08-28

32m2 GFA single storey extension to the rear of main house and associated site works

32m2 GFA single storey extension to the rear of main house and associated site works

Notice
Commencement Notice Without Compliance Documentation
Commencement
2017-08-28
Source
Owner-supplied commencement export; no public source URL
Location
Donabate, Dublin
Council
Fingal County Council
Builder
Sean Regan Ltd
Units / floor
1 units / 32 m2
Current commencementCommencement Notice Without Compliance DocumentationOwner exportDomestic extension / garage
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Planning ref F17B/0057
Owner-supplied commencement export / CN0026716DR / 2017-05-02

New single storey three bedroom flat roofed house

New single storey three bedroom flat roofed house

Notice
Commencement Notice with Opt Out Declaration
Commencement
2017-05-02
Source
Owner-supplied commencement export; no public source URL
Location
Killiney, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Sean Regan Ltd
Units / floor
1 units / floor unknown
Current commencementCommencement Notice with Opt Out DeclarationOwner exportOne-off dwelling
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref D14A/0103
Owner-supplied commencement export / CN0017213SD / 2016-06-14

OPT OUT Two storey detached dwellinghouse and associated detached garage and site works

OPT OUT Two storey detached dwellinghouse and associated detached garage and site works

Notice
Commencement Notice With Compliance Documentation
Commencement
2016-06-14
Source
Owner-supplied commencement export; no public source URL
Location
Newcastle, Dublin
Council
South Dublin County Council
Builder
Sean Regan Ltd
Units / floor
1 units / floor unknown
Current commencementCommencement Notice With Compliance DocumentationOwner exportOther commencement
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref SD14A/0164
Owner-supplied commencement export / CN0013790FL / 2016-02-15

77m2 (GEA) two storey extension and renovation of existing house

77m2 (GEA) two storey extension and renovation of existing house

Notice
Commencement Notice With Compliance Documentation
Commencement
2016-02-15
Source
Owner-supplied commencement export; no public source URL
Location
Donabate, Dublin
Council
Fingal County Council
Builder
Sean Regan Ltd
Units / floor
1 units / 77 m2
Current commencementCommencement Notice With Compliance DocumentationOwner exportDomestic extension / garage
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Planning ref F15A/0228
Owner-supplied commencement export / CN0006922DR / 2015-05-12

Demolition of single storey conservatory to rear and construction of a new two storey extension to the rear, internal alterations, external alterations to front wall to accommodate off- street parking. Total area 38.5 SqM

Demolition of single storey conservatory to rear and construction of a new two storey extension to the rear, internal alterations, external alterations to front wall to accommodate off- street parking. Total area 38.5 SqM

Notice
Commencement Notice Without Compliance Documentation
Commencement
2015-05-12
Source
Owner-supplied commencement export; no public source URL
Location
Sandycove, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Sean Regan Ltd
Units / floor
1 units / 38.5 m2
Current commencementCommencement Notice Without Compliance DocumentationOwner exportOther commencement
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Map Planning ref D14A/0621
Owner-supplied commencement export / CN0005528DC / 2015-03-12

Introduce 1 window/sliding screen to the rear elevation

Introduce 1 window/sliding screen to the rear elevation

Notice
Commencement Notice Without Compliance Documentation
Commencement
2015-03-12
Source
Owner-supplied commencement export; no public source URL
Location
Ballsbridge, Dublin
Council
Dublin City Council
Builder
Sean Regan Ltd
Designer
Henry J Lyons Architects James Horan
Units / floor
1 units / floor unknown
Current commencementCommencement Notice Without Compliance DocumentationOwner exportOther commencement
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Planning ref P2448
Owner-supplied commencement export / CN0005332DR / 2015-03-04

proposed extension to an existing house

proposed extension to an existing house

Notice
Commencement Notice Without Compliance Documentation
Commencement
2015-03-04
Source
Owner-supplied commencement export; no public source URL
Location
monkstown, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Sean Regan Ltd
Units / floor
1 units / 81 m2
Current commencementCommencement Notice Without Compliance DocumentationOwner exportDomestic extension / garage
Source note: owner-supplied commencement export; no public source URL Open matched PlanningBrief lead Planning ref P/0057/15