Green Design Sydney
Green Design Sydney
Introducing Property Rehearsal by Green Design Sydney

Your property has possibilities.
Rehearse them.

Before you commit to a renovation, new home or development, explore how different decisions could shape the result. Compare realistic options. Understand the budget, approval and construction implications. Walk through the proposed spaces in a 3D building model.

It starts smaller than that. Run the address through Property Atlas for nothing, or begin with a Feasibility Study — fixed scope, fixed fee, back with you in two to three business days.

Start with a Feasibility Study Check an address — free
4.9 ★
From 48 Google Reviews
25+
Years of Building Design Experience
Class 2 & 3
Registered Design Practitioner
BDAA
Chartered Member
Start Your Property Journey

Tell us your goal and we'll help you find the smartest path forward.

More Space

Extension · Renovation · Second Storey

New Home

Luxury Homes · Knockdown Rebuilds

Development

Duplexes · Townhouses · Multi-unit

Investment

Property Strategy · Highest and Best Use

Buying Property

Feasibility Before You Buy

Approvals

CDC · DA · CC · Compliance

Not Sure Yet

Let's help you decide — start with a conversation, not a commitment.

More Space

Extension · Renovation · Second Storey

New Home

Luxury Homes · Knockdown Rebuilds

Development

Duplexes · Townhouses · Multi-unit

Investment

Property Strategy · Highest and Best Use

Buying Property

Feasibility Before You Buy

Approvals

CDC · DA · CC · Compliance

Not Sure Yet

Let's help you decide.
How We Think

Every project follows the same discipline — decisions before drawings.

01

Understand

Your site, your goals, your constraints — before anything is designed.

02

Compare

What's actually possible, weighed against what's worth doing.

03

Recommend

A clear direction, grounded in feasibility, not just ambition.

04

Design

Designed around the pathway that will get approved — and modelled in three dimensions so you walk through it before it exists.

05

Approve

DA, CDC or CC, navigated directly. Class 2 and 3 designs declared by a registered practitioner, as the law requires.

06

Build

Drawings made to be built, by people who understand construction. Support through to sign-off.

Where We Help

One practice. Two disciplines. A single point of accountability.

Luxury Homes

New builds designed around how you actually want to live.

Explore →

Knockdown Rebuilds

Starting fresh on a site you already know and love.

Explore →

Duplex & Townhouses

Multi-dwelling projects designed for yield, approval, and buildability together.

Explore →

Renovations & Additions

More space, without losing what already works.

Explore →

Feasibility & Property Advisory

What a site can become, before you commit to it.

Explore →

DA, CDC & Compliance

Council pathways navigated directly, with risk accounted for upfront.

Explore →
Farshid Hosseini, Founder and Principal Designer of Green Design Sydney
Founder

Farshid Hosseini

Founder | Principal Designer | Property Advisor
  • 25+ Years of Building Design Experience
  • NSW Registered Design Practitioner — Building Design
  • Class 2 Building Designer
  • BDAA Chartered Member — Reg. 3169
  • Former University Lecturer

Green Design Sydney was built on a simple observation: most property mistakes happen before a single drawing is made — the wrong site, the wrong pathway, the wrong assumption about what a block can hold.

Farshid works across design and approvals for the same reason most practices keep them separate: because doing both properly is harder, but it's the only way to guarantee that what gets designed is what actually gets built.

Building DesignLuxury HomesDuplexesTownhousesCommercial ProjectsDACDCCCBICUnauthorised Works
"We're not selling drawings.
We're helping people make smarter property decisions.
Good design is one of the outcomes."
Now live · Free planning check

Property Atlas

Type any NSW address and see what the planning controls actually allow.

Atlas reads the land zone, height limit, floor space ratio, minimum lot size, heritage and acquisition layers straight from the NSW planning maps — then tells you plainly what it could not see.

Tested through August and September on thirteen properties across nine NSW councils before it went public.

Atlas is the free screen at the front of everything we do. It tells you whether a property is worth pursuing. When the answer is yes, the next step is a Feasibility Study — the first paid stage, with a fixed scope and a fixed fee.

Open Atlas — check an address →

Free · no charge, no obligation

Complex Approval & Compliance Experience

Helping clients resolve difficult approval pathways, unauthorised works and complex council matters across Sydney.
Pymble multi-dwelling and townhouse compliance project
Pymble · Multi-Dwelling / Townhouse
ProblemOccupation Certificate and compliance complications during final construction stages
SolutionWorked through outstanding compliance items with council
OutcomeOccupation Certificate secured
Mount Druitt specialist accommodation compliance project
Mount Druitt · Specialist Accommodation
ProblemInitially designed and substantially constructed under an unsuitable approval pathway
SolutionCorrected the approval pathway and pursued a Building Information Certificate
OutcomeWorks regularised under the correct pathway
Granville residential apartments compliance project
Granville · Residential Apartments
ProblemSignificant waterproofing and building defect issues
SolutionDefect rectification works and compliance certification
OutcomeBuilding brought into compliance
Three of twenty-five on record. Thirteen of them came to us already refused, stopped or under notice.
See the full record →
In Their Words

Trusted by homeowners, investors and developers across Sydney

Rated 4.9 on Google
View All Reviews →
Straight Answers

The questions people ask us first.

Plain answers, no jargon. If your question is not here, ask us — the first conversation is free.

Do I need council approval to renovate or extend my house in Sydney?
Usually, yes. Some smaller projects can go through a faster private-certifier route called complying development instead of a council development application. We tell you which one applies to your property before you spend anything on drawings.
Can I build a duplex or a granny flat on my block?
It depends on your zone, the size and width of the block, and a few local rules. Send us the address and we will tell you honestly what it can and cannot carry.
What is a Property Rehearsal?
We compare two or three ways to use your property, show what each means for approval, cost and building, and let you walk through the best one in a 3D model before you commit to it.
My house has work that was never approved. Can it be fixed?
Usually, yes. Council can issue a certificate for existing work once it is shown to be safe and compliant. We handle these regularly, and we tell you early if something cannot be kept.
Can you help turn a house into a group home, childcare centre or clinic?
Yes. Changing what a building is used for needs approval and a building-code check, and that is core work for us.
Do you guarantee approval?
No one can. What we do is make sure you know the risks before you lodge, and design so the answer is as likely as possible to be yes.
How do you charge?
A fixed fee for an agreed scope, not a percentage of your build cost. If you already have another quote, bring it and we will tell you plainly how ours compares.
Where do you work?
We are based in Seaforth on the Northern Beaches and work across Sydney.
My DA was refused, or it has been sitting with council for months. What now?
A refusal is a decision about the application that was lodged, not a ruling that nothing can be built. Usually several routes remain open, and which one fits depends on the reasons council gave. See refused or stalled DA for what each route involves, or send us the notice.

Start with a Feasibility Study, before you spend thousands.

The first conversation is free. The study that follows has a fixed scope, a fixed fee and a two to three business days turnaround — and it is the cheapest part of any project you will ever run.

WhatsApp 0426 967 745 Email us What a Feasibility Study covers