Completed rear home extension opening onto an alfresco area

House Extensions Kogarah

Professional home extensions for Kogarah homeowners, delivered by a licensed Sydney builder with carpentry in house.

NSW Licence No. 380408C · Fully insured · St George and Georges River

Fast quote

Talk to a Kogarah builder

Send the details and we will arrange a site visit in Kogarah and price the work in writing.

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Home Extensions in Kogarah

Home Extensions done properly

ORT Construction Group works with Kogarah homeowners on extensions that add real living space: opening up the rear of the house, adding a bedroom or bathroom, extending a kitchen, or creating a covered indoor outdoor area that gets used year round.

From first site visit to handover on a Kogarah extension you deal with the people running the build, not a call centre. Progress, variations and next steps are confirmed in writing as the job moves.

Scope of work

Home Extensions services for Kogarah homes

Structural works

  • Structural alterations to the existing home
  • New wall, floor and roof framing
  • New openings and load bearing modifications
  • Footings, slabs and subfloor works
  • Tie in and make good to existing structure

Living and outdoor space

  • Additional living areas
  • Indoor and outdoor living extensions
  • Alfresco and covered outdoor areas
  • Decks and paved transitions
  • New window and door openings for light and access

Construction coordination

  • Complete construction coordination
  • Extension carpentry in house
  • Trade sequencing and site management
  • Lock up, fit out and finishing
  • Certifier and consultant liaison

Extension types

  • Ground floor extensions
  • Rear extensions
  • Side extensions
  • Bedroom and bathroom additions
  • Kitchen and living area extensions

Why ORT Construction Group

Working with a builder, not a middleman

Tidy sites

Sites are cleaned down daily and access is agreed with you before work starts.

Carpentry in house

Structural and finishing carpentry is done by our own team, which keeps set out accurate and the program moving.

One point of contact

You deal with the people running the build, not a sales team who hand the job over.

Home extension under construction with new cladding and scaffolding
New extension framing and scaffolding on a residential build
Open plan living area created by a rear home extension

Process

From enquiry to handover

  1. 1

    Site visit and brief

    We walk the home with you, discuss what the extension needs to achieve, and look at the existing structure.

  2. 2

    Scope and quote

    You receive a written scope and price covering structural works, framing, fit out and coordination.

  3. 3

    Documentation

    We work alongside your designer, engineer and certifier, or point you to the approvals your project needs.

  4. 4

    Construction

    Demolition, structure, framing, lock up and fit out are delivered by one team on an agreed program.

  5. 5

    Completion

    We finish, clean down, walk the works with you and close out any items before handover.

Questions

Home Extensions in Kogarah, answered

Can we stay in the house during a Kogarah extension?

Often yes, depending on scope. Many Kogarah extensions are built while the family stays in the existing part of the home, with the work zone separated and access managed.

Is the carpentry done by your own team?

Yes. Framing, structural alterations and fit out carpentry are done in house, which keeps set out accurate and keeps the program moving.

Do you handle approvals for extensions in Kogarah?

We work alongside your designer, engineer and certifier and can advise what your project needs. We coordinate the construction side so the documentation and the build line up.

Do you do extensions and the internal renovation together?

Yes. Many Kogarah projects combine an extension with renovating the existing rooms so the finished home reads as one space rather than old and new.

Can you extend to create indoor outdoor living?

Yes. Wide openings, covered alfresco areas and level transitions between inside and out are common parts of the extensions we build.

Related services

Other work we do in Kogarah

We also service surrounding areas

Home Extensions near Kogarah

All St George and Georges River suburbs

Next step

Talk to a Kogarah builder

Send through the details of your Kogarah project and we will arrange a site visit, confirm the scope and put a written quote together.

Call 0411 586 136

Your details are only used to respond to this enquiry.