Home Extension Design & Renovations Sydney
Building design and architectural drafting for home extensions, first-floor additions and major renovations across Sydney.
Based in Castle Hill, Distinct Innovations provides building design and architectural drafting for home extensions, first-floor additions and major renovations across Greater Sydney.
We work with existing homes to improve space, layout, natural light and indoor-outdoor connection while responding to the original building, site constraints and planning requirements.
Why Choose Us for Your Home Extension or Renovation
30+ Years' Experience
Extensive experience with home extensions, first-floor additions and major renovations.
Existing Home Reviewed
Structure, roof form, levels, access and site constraints considered early.
Integrated Design
New spaces designed to work naturally with the existing home, improving flow and function.
Personally Led
Deal directly with Luke from initial design through architectural drafting and approvals.
Clear Fee Proposals
Fees based on agreed scope, with inclusions and exclusions clearly outlined from the outset.
"Loved our experience with Luke & Distinct Innovations! We're delighted not only with the design but also Luke's ability to make his vision come to light. We've got a bespoke, luxury home now, which sets it apart. Thank you!"
Our Extension & Renovation Design Portfolio
Examples of our home extension, renovation, and first floor addition design work are shown below. These projects show how older homes and heritage homes can be reworked to improve space, natural light, flow, street presentation, outdoor living and everyday liveability.
Design Experience With Existing Homes
Home Extension & Renovation Design Sydney
Extensions and renovations need to respond to what is already there.
The existing structure, roof form, floor levels, access, setbacks, neighbouring properties and planning controls can all affect what is possible.
Our residential building design work includes ground-floor extensions, first-floor additions, major renovations and alterations to established homes across Sydney.
We consider these existing conditions early so new spaces integrate properly with the home, improve functionality and make better use of natural light, circulation and indoor-outdoor connections.
Buildability and construction implications are also considered as the design develops, helping avoid solutions that are difficult or unnecessarily complicated to build.
Ground-Floor Extensions
Additional living, kitchen, family and bedroom spaces designed around the existing home.
First-Floor Additions
Upper-level additions developed around structure, stairs, roof form, privacy and planning controls.
Major Renovations
Reworking existing layouts to improve space, circulation, natural light and functionality.
Indoor-Outdoor Living
Design improving connections between internal living areas, gardens, decks and outdoor spaces.
Existing Home & Site Review
Consideration of structure, levels, access, setbacks and other site constraints before design progresses.
Architectural Drafting & Approvals
Concept design, architectural drafting and documentation for DA, CDC and Construction Certificate approvals, with consultant coordination where required.
Home Extensions & Renovations FAQs
What does a home extension designer do?
A home extension designer assesses the existing house, site conditions and planning requirements before developing an addition that works with the original home. This can include rear extensions, first-floor additions, internal reconfiguration, architectural drafting, DA or CDC plans and coordination with consultants required for approval.
Do I need a DA or CDC for a home extension in Sydney?
The approval pathway depends on the property, zoning, planning controls and proposed work. Some home extensions and first-floor additions may qualify for a Complying Development Certificate, while others require a Development Application through the local council. We review the site, setbacks, building height, floor space ratio, heritage status, bushfire risk and other relevant controls early to identify the likely approval pathway.
What should be assessed before designing a first-floor addition or major renovation?
The existing structure, roof form, floor levels, site access, privacy, overshadowing, drainage, streetscape and planning requirements should be reviewed before the design is developed. A surveyor, structural engineer, BASIX assessor or other consultant may also be required. Early investigation helps establish what can reasonably be designed, approved and built.
Do you prepare architectural drafting and approval documentation for extensions and renovations?
Yes. Distinct Innovations prepares concept designs and architectural drafting for home extensions, first-floor additions and major renovations in the Hills District and across Sydney. Depending on the project scope, this can include DA or CDC drawings, Construction Certificate documentation, consultant coordination, council or private certifier liaison and NSW Planning Portal lodgement.
Not sure whether to renovate, extend or rebuild? Read our homeowner guide →