
Home Extensions Frenchs Forest
Professional home extensions for Frenchs Forest homeowners, delivered by a licensed Sydney builder with carpentry in house.
NSW Licence No. 380408C · Fully insured · Northern Beaches
Fast quote
Ready to price your Frenchs Forest project?
Send the details and we will arrange a site visit in Frenchs Forest and price the work in writing.
Home Extensions in Frenchs Forest
Home Extensions done properly
An extension in Frenchs Forest lives or dies on the join between old and new. ORT Construction Group handles the structural work, the framing and the tie in detailing in house, so the new section reads as part of the home instead of an addition bolted on the back.
Extension work in Frenchs Forest 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.



Services included
Home Extensions services for Frenchs Forest 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 Frenchs Forest
What we check first
Salt air shortens the life of untreated fixings and some timbers, so we specify stainless or galvanised fixings and durable materials.
Homes in the area
Homes across Northern Beaches include coastal homes, many on sloping sites exposed to salt air, where material choice matters. We look at the existing structure, site access and levels in Frenchs Forest 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 Frenchs Forest property during the site visit.
Questions
Home Extensions in Frenchs Forest, answered
What does an extension quote include?
A written scope for the Frenchs Forest 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 Frenchs Forest extension?
Often yes, depending on scope. Many Frenchs Forest 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 Frenchs Forest?
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 Frenchs Forest projects combine an extension with renovating the existing rooms so the finished home reads as one space rather than old and new.
Related services
Other work we do in Frenchs Forest
We also service surrounding areas
Home Extensions near Frenchs Forest
All Northern Beaches suburbsHome Extensions across SydneyNext step
Ready to price your Frenchs Forest project?
Send through the details of your Frenchs Forest project and we will arrange a site visit, confirm the scope and put a written quote together.
Call 0411 586 136