
Home Extensions Marayong
Professional home extensions for Marayong homeowners, delivered by a licensed Sydney builder with carpentry in house.
NSW Licence No. 380408C · Fully insured · Blacktown Region
Fast quote
Ready to price your Marayong project?
Send the details and we will arrange a site visit in Marayong and price the work in writing.
Home Extensions in Marayong
Home Extensions done properly
ORT Construction Group works with Marayong 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.
Extension work in Marayong usually starts before construction does. We look at what the existing structure can carry, what needs engineering, and where services run, then price the build against a scope you can actually compare.
Process
How the process works
- 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
Scope and quote
You receive a written scope and price covering structural works, framing, fit out and coordination.
- 3
Documentation
We work alongside your designer, engineer and certifier, or point you to the approvals your project needs.
- 4
Construction
Demolition, structure, framing, lock up and fit out are delivered by one team on an agreed program.
- 5
Completion
We finish, clean down, walk the works with you and close out any items before handover.
Why ORT Construction Group
Working with a builder, not a middleman
One point of contact
You deal with the people running the build, not a sales team who hand the job over.
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.



Scope of work
Home Extensions services for Marayong 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
Local considerations
Planning home extensions in Marayong
What we check first
Hot western summers make shade, roof insulation and ventilation worth planning into the design from the start.
Homes in the area
Homes across Blacktown Region include brick veneer homes from the 1970s onward plus newer estates, with good rear yard space. We look at the existing structure, site access and levels in Marayong before pricing, so the quote reflects the actual house.
Council approval
Some single-storey extensions can be approved as complying development through a certifier, while others need a development application. It depends on the lot, zoning and any heritage or bushfire controls. We confirm the approval pathway for your Marayong property during the site visit.
Questions
Home Extensions in Marayong, answered
Do you do extensions and the internal renovation together?
Yes. Many Marayong 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.
How long does a home extension take?
It depends on size and structure. A modest ground floor extension is typically a matter of months on site; we give an indicative program with the quote and update it as the build progresses.
What does an extension quote include?
A written scope for the Marayong works, the structural and framing components, allowances where selections are not final, and clear exclusions so you can compare fairly.
Can we stay in the house during a Marayong extension?
Often yes, depending on scope. Many Marayong extensions are built while the family stays in the existing part of the home, with the work zone separated and access managed.
Related services
Other work we do in Marayong
We also service surrounding areas
Home Extensions near Marayong
All Blacktown Region suburbsHome Extensions across SydneyNext step
Ready to price your Marayong project?
Send through the details of your Marayong project and we will arrange a site visit, confirm the scope and put a written quote together.
Call 0411 586 136