Home Extensions in Sydney's Eastern Suburbs
Altimo Homes is a custom builder working across the Eastern Suburbs, with more than a decade of experience in renovations, new builds and home extensions. This page covers the types of extensions we build, our design and build process, the suburbs and home styles we work with, and what sets our approach apart.

Home Extensions in Sydney's Eastern Suburbs
The Eastern Suburbs is a particular kind of place to build. The homes range from coastal houses to Federation and period terraces, the blocks are often tight, and the councils take design and heritage seriously. That is why this is work for a custom builder who understands the area, rather than a volume renovator working to a template. Every home and site here is different, and the extension has to suit both.
Types of Extensions We Build
Whatever the type, the aim is the same: more space that feels like it was always part of the house, with quality materials and finishes that hold up over time.
Ground-floor and rear extensions
Opening up the back of the home for open-plan living, a larger kitchen, or a room that connects to the garden or courtyard.
First-floor and second-storey additions
Building up rather than out to add bedrooms, a parents' retreat or a study, which often suits tight Eastern Suburbs blocks where there is little room to extend sideways.
Kitchen, living and outdoor additions
reworking and extending the spaces you use most, including indoor-outdoor entertaining areas that make the most of the climate.
Our Design and Build Process
Throughout, we plan the work to keep the build on track and keep you clear on costs, with a quote that itemises the work and explains how any variations are handled, so there are fewer surprises along the way.
Consultation and concept design.
Approvals and engineering.
Construction and handover
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Building in Bondi, Bronte, Coogee and Beyond
That local knowledge matters when you are working with the area's coastal homes, Federation houses and period terraces. Tying a contemporary extension into a heritage facade, or adding a second storey to a terrace, takes a careful hand so the result respects the original home and meets the council's conditions.
It also matters on-site. Tight access, narrow streets and close neighbours are common here, so we plan the logistics and the program around the realities of building in established suburbs, and keep neighbours considered throughout.
Why Choose
Altimo Homes
We lead with the quality of the build and the finish, not speed or the lowest price. The detail is where a premium extension shows its value.•
A licensed builder, with guarantees and warranties.
You are working with a licensed builder, with the statutory warranties and workmanship guarantees that come with a properly run project.
New work that integrates with the old.
Our focus is on extensions that join to your existing home so the two read as one, in proportion, materials and detail.
Planning an extension in the Eastern Suburbs? Get in touch with Altimo Homes for a consultation, and we will talk through what is possible for your home and site.
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Frequently Asked Questions
There is no flat rate, because cost depends on the size and design of the extension, the materials and finishes you choose, and your site. Design complexity and site access are two of the biggest factors, and tight access is common in older Eastern Suburbs streets. The most reliable figure comes from an itemised quote after a builder has inspected your property, which is how we price our work.
Most extensions need approval, but not always the same kind. Some projects can proceed under a complying development certificate (CDC), while others need a development application (DA) to the council. We help work out which path applies to your project and coordinate the reports and consultants so the application is accurate, which helps avoid delays.
As a rough guide, many home extensions run in the range of three to six months of construction, depending on the size and complexity of the work, on top of the earlier design and approval stage. We give you a realistic program for your specific project before work begins, so you know what to expect at each stage.
A renovation reworks the space you already have, for example, updating a kitchen or reconfiguring rooms within the existing footprint. An extension adds new space, either out (a ground-floor or rear extension) or up (a first-floor or second-storey addition). Many Eastern Suburbs projects combine the two, extending the home and renovating the existing rooms so the whole house works together.
Yes. The Eastern Suburbs has many Federation and period homes, and extending them is common, but it takes care. Heritage and character controls shape what can be done, so the design has to respect the original home while meeting the council's requirements. This is exactly where local knowledge and craftsmanship matter most.
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