Builder profile

Ongar Construction commencement pipeline.

13 commencement notices linked to this company builder. Counties: Dublin. Latest commencement date: 2026-06-23.

Last updated 2026-06-22 04:29 UTC owner-supplied commencement data

13 notices

Commencement history

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Owner-supplied commencement export / CN0143698DC / 2026-06-23

Alterations & additions to an existing semi- detached 2-storey dwelling, comprising the construction of a new first floor extension above existing single storey extension to the rear and gable- end, the construction of a new flat roof wi...

Alterations & additions to an existing semi- detached 2-storey dwelling, comprising the construction of a new first floor extension above existing single storey extension to the rear and gable- end, the construction of a new flat roof wi...

Notice
Commencement Notice with Opt Out Declaration
Commencement
2026-06-23
Source
Owner-supplied commencement export; no public source URL
Location
Dublin 6W, Dublin
Council
Dublin City Council
Builder
Ongar Construction
Units / floor
units unknown / 229.5 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 WEB1784/25
Owner-supplied commencement export / CN0135842DC / 2025-11-19

The development will consist of: Demolition of single storey shed structure to rear of existing dwelling and single storey garage to side of existing dwelling Construction of a new two storey extension to side of existing dwelling Constr...

The development will consist of: Demolition of single storey shed structure to rear of existing dwelling and single storey garage to side of existing dwelling Construction of a new two storey extension to side of existing dwelling Constr...

Notice
Commencement Notice with Opt Out Declaration
Commencement
2025-11-19
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dublin City Council
Builder
Ongar Construction
Units / floor
units unknown / 195.2 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 WEB2759/24
Owner-supplied commencement export / CN0133998FL / 2025-09-29

Rear extension and front porch alterations and internal layout modifications together with all associated external site works

Rear extension and front porch alterations and internal layout modifications together with all associated external site works

Notice
Commencement Notice with Opt Out Declaration
Commencement
2025-09-29
Source
Owner-supplied commencement export; no public source URL
Location
Knockatee, Dublin
Council
Fingal County Council
Builder
Ongar Construction
Units / floor
1 units / 182 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 FW23A/0252
Owner-supplied commencement export / CN0127855DC / 2025-04-25

planning permission for development consisting of (a) two storey extension to side, (b) one and two storey extensions to rear, (c) new window and rooflight to front of existing dwelling, (d) outbuilding to rear, (e) widening of existing...

planning permission for development consisting of (a) two storey extension to side, (b) one and two storey extensions to rear, (c) new window and rooflight to front of existing dwelling, (d) outbuilding to rear, (e) widening of existing...

Notice
Commencement Notice with Opt Out Declaration
Commencement
2025-04-25
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dublin City Council
Builder
Ongar Construction
Units / floor
units unknown / 273 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 WEB1368/23
Owner-supplied commencement export / CN0125817DR / 2025-03-06

Alterations and Additions to No.6 Greygates, Mount Merrion, comprising a 2-storey/part- single storey extension to the rear, first floor extension to gable- end, and conversion of the existing attic space with dormer window to the rear a...

Alterations and Additions to No.6 Greygates, Mount Merrion, comprising a 2-storey/part- single storey extension to the rear, first floor extension to gable- end, and conversion of the existing attic space with dormer window to the rear a...

Notice
Commencement Notice with Opt Out Declaration
Commencement
2025-03-06
Source
Owner-supplied commencement export; no public source URL
Location
Blackrock, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Ongar Construction
Units / floor
1 units / 300.4 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 D24B/0142
Owner-supplied commencement export / CN0123755SD / 2025-01-03

Demolition of existing single storey extension to rear, and construction of new 2-storey (dormer) extension to the rear, and construction of new single storey entrance porch and bay window extension to front elevation, and all ancillary...

Demolition of existing single storey extension to rear, and construction of new 2-storey (dormer) extension to the rear, and construction of new single storey entrance porch and bay window extension to front elevation, and all ancillary...

Notice
Commencement Notice with Opt Out Declaration
Commencement
2025-01-03
Source
Owner-supplied commencement export; no public source URL
Location
Terenure, Dublin
Council
South Dublin County Council
Builder
Ongar Construction
Units / floor
units unknown / 148 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 SD23B/0312
Owner-supplied commencement export / CN0118306DC / 2024-08-14

•Demolition of single storey extension to rear of existing dwelling •Construction of a new two storey extension to rear of existing dwelling and upgrade of existing garage roof including new rooflight •All associated internal alterations...

•Demolition of single storey extension to rear of existing dwelling •Construction of a new two storey extension to rear of existing dwelling and upgrade of existing garage roof including new rooflight •All associated internal alterations...

Notice
Commencement Notice with Opt Out Declaration
Commencement
2024-08-14
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dublin City Council
Builder
Ongar Construction
Units / floor
units unknown / 158.7 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 WEB2057/23
Owner-supplied commencement export / CN0108286DR / 2024-01-02

Demolition of existing garage and utility room structure to the side, the construction of a new single storey extension to the side in lieu of same, the construction of a new entrance porch to the side, the conversion of existing attic s...

Demolition of existing garage and utility room structure to the side, the construction of a new single storey extension to the side in lieu of same, the construction of a new entrance porch to the side, the conversion of existing attic s...

Notice
Commencement Notice with Opt Out Declaration
Commencement
2024-01-02
Source
Owner-supplied commencement export; no public source URL
Location
Blackrock, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Ongar Construction
Units / floor
1 units / 273 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 D21A/1102
Owner-supplied commencement export / CN0107495DR / 2023-11-28

Demolition of existing single storey extension to rear and existing single storey extension to gable -end, and the construction of a new single storey extension to the rear and a new 2-storey extension to the gable-end, together with the...

Demolition of existing single storey extension to rear and existing single storey extension to gable -end, and the construction of a new single storey extension to the rear and a new 2-storey extension to the gable-end, together with the...

Notice
Commencement Notice with Opt Out Declaration
Commencement
2023-11-28
Source
Owner-supplied commencement export; no public source URL
Location
Blackrock, Dublin
Council
Dún-Laoghaire Rathdown County Council
Builder
Ongar Construction
Units / floor
1 units / 200.5 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 D23B/0114
Owner-supplied commencement export / CN0097646DC / 2023-02-14

Proposed new single storey flat roofed extension to the front & side of the existing dwelling, consisting of a new bathroom and entrance porch to the existing house measuring a total of 10.5sq.m, along with and to include all ancillary s...

Proposed new single storey flat roofed extension to the front & side of the existing dwelling, consisting of a new bathroom and entrance porch to the existing house measuring a total of 10.5sq.m, along with and to include all ancillary s...

Notice
Commencement Notice with Opt Out Declaration
Commencement
2023-02-14
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dublin City Council
Builder
Ongar Construction
Units / floor
units unknown / 117 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 4968/22
Owner-supplied commencement export / CN0075673DC / 2021-05-11

Extensions and alterations to an existing two storey detached dwelling

Extensions and alterations to an existing two storey detached dwelling

Notice
Commencement Notice Without Compliance Documentation
Commencement
2021-05-11
Source
Owner-supplied commencement export; no public source URL
Location
Dublin, Dublin
Council
Dublin City Council
Builder
Ongar Construction
Units / floor
units unknown / 28.3 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 WEB1711/20
Owner-supplied commencement export / CN0064431DC / 2020-05-26

Single storey, flat roof extension to side of dwelliing to make existing bathroom larger

Single storey, flat roof extension to side of dwelliing to make existing bathroom larger

Notice
Commencement Notice Without Compliance Documentation
Commencement
2020-05-26
Source
Owner-supplied commencement export; no public source URL
Location
Dublin 7, Dublin
Council
Dublin City Council
Builder
Ongar Construction
Units / floor
units unknown / 4.65 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 4556/19
Owner-supplied commencement export / CN0046892DC / 2018-12-19

Demolition of existing garage, kitchen and out buildings and erection of new two storey extension to the front and side and a single storey extension to the rear. Also to provide a new dormer window bay on the North side of extended atti...

Demolition of existing garage, kitchen and out buildings and erection of new two storey extension to the front and side and a single storey extension to the rear. Also to provide a new dormer window bay on the North side of extended atti...

Notice
Commencement Notice with Opt Out Declaration
Commencement
2018-12-19
Source
Owner-supplied commencement export; no public source URL
Location
Clontarf, Dublin
Council
Dublin City Council
Builder
Ongar Construction
Units / floor
1 units / 234.32 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 3819/18