Purchasing a block of Land?
Pre-Purchase Site Feasibility
Before you buy, we show you what you can build - and what could blow your budget.
Buildability
Control
Budget risk
Site Constraints
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Send us your Architectural Plans
Email the plans so we can review the project and identify council requirements.
Receive Your Fee Proposal
We prepare a clear quote outlining the Plans Approved Package and any site-specific additions
Approve & We Begin Work
Once accepted, your job is scheduled immediately.
We Prepare Your Submission-Ready Package
All required DA/CDC documents are consolidated into one clean pack
Revisions & Council Responses
If your designer updates plans or council/certifier requests changes, we update the documents.
Final Pack Delivered
Fast turnaround, clear communication, one point of contact.
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Designed to remove your headaches and deliver fast, hassle-free approvals.
Our Process
Our Services
We offer a two-part engineering and documentation system designed to make DA/CDC approvals simple and stress-free:
Step 1: DA Stage
Includes:
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Civil Engineering (Concept Stormwater & Drainage Design)
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Concept Driveway Design
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Waste Management Plan
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Sediment & Erosion Control Plan
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Retaining Wall Locations
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Consultant Coordination
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Priority Turnaround
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One Point of Contact
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Weekly Project Updates
Site Conditions Add Ons: only if triggered by your site or council
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Bushfire Report (BAL Assessment)
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Flood Report / Flood Impact Statement
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Landscape Plan
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Heritage Impact Statement
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Detail & Level Survey
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Acoustic Report
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Mine Subsidence
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Subdivision Design (planning layout only)
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Architectural Plans (if you don't have any yet)
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BASIX
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SOEE
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Shadow Diagrams
Step 2: CC (or only CDC)
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Structural Engineering Footings Design (slab)
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Civil Engineering (detailed Stormwater & Drainage Design)
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Structural Engineering Beams Designs (if required)
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Geotechnical Report
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Detailed Driveway Design
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Sydney Water Tap In
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Consultant Coordination
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Priority Turnaround
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One Point of Contact
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Weekly Project Updates
Site Conditions Add Ons: only if triggered by your site or council
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Retaining Wall Structural Details
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Driveway Long Section
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Stormwater Redesign (if DA approved layout changes)
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OSD System
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Building Plan Approval (BPA)
Optional Add Ons:
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3D Renders
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05
06
Send us your Architectural Plans
Email the plans so we can review the project and identify council requirements.
Receive Your Fee Proposal
We prepare a clear quote outlining the Plans Approved Package and any site-specific additions
Approve & We Begin Work
Once accepted, your job is scheduled immediately.
We Prepare Your Submission-Ready Package
All required DA/CDC documents are consolidated into one clean pack
Revisions & Council Responses
If your designer updates plans or council/certifier requests changes, we update the documents.
Final Pack Delivered
Fast turnaround, clear communication, one point of contact.
01
Designed to remove your headaches and deliver fast, hassle-free approvals.
Our Process
02
03
04
05
06
1. Send us your Architectural Plans
Email the plans so we can review the project and identify council requirements.
2. Receive Your Fee Proposal
We prepare a clear quote outlining the Plans Approved Package and any site-specific additions
3. Approve & We Begin Work
Once accepted, your job is scheduled immediately.
4. We Prepare Your Submission-Ready Package
All required DA/CDC documents are consolidated into one clean pack
5. Revisions & Council Responses
If your designer updates plans or council/certifier requests changes, we update the documents.
6. Final Pack Delivered
Fast turnaround, clear communication, one point of contact.
01
Our Process
Designed to remove your headaches and deliver fast, hassle-free approvals.
What we do
What we do
A complete approvals and engineering solution.
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Stormwater & Drainage Design
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Driveway Design
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Driveway Long Sections
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OSD
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Subdivision Design
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Sediment & Erosion Control Plan
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Sydney Water Tap-In
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Waste Management Plan
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Footings Design
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Structural Beam Designs
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Retaining Wall Designs
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BPA (Building Plan Approval Structural Check)
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All Consultant Coordination
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Priority Turnaround
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One Point of Contact
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Submission Ready Pack Delivered
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Weekly Progress Updates
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(Organised only if required by Council/Certifier)
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Bushfire Report (BAL)
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Flood Report / Flood Impact Statement
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Acoustic Report
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Geotechnical Report
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Detail & Level Survey
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Landscape Plan
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Civil Engineering
Stormwater • Drainage • Driveway Levels
We handle all civil engineering components required for DA and construction. This includes stormwater design, drainage compliance, absorption/OSD requirements, driveway gradients, site levels, and early feasibility checks to ensure your layout works before lodging.
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Structural Engineering
Footings • Slabs • Beams • Retaining
For projects requiring structural certification, we coordinate structural drawings and details tailored to your design. From slab and footing design to beams, lintels and retaining wall requirements, all structural components can be consolidated through us for a smoother approval process.
Documentation Consolidation
DA Requirements • Council Checklists • Clear Scopes
Every council asks for something different we make it simple.
We create a project-specific DA documentation list so you know exactly what is needed, and what Plan Haus will prepare for you.
Our Services
We provide streamlined engineering support for builders, architects and designers — covering the civil side, the structural requirements, and the full documentation your DA needs.
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What we do
What we do
A complete approvals and engineering solution.
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Stormwater & Drainage Design
-
Driveway Design
-
Driveway Long Sections
-
OSD
-
Subdivision Design
-
Sediment & Erosion Control Plan
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Sydney Water Tap-In
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Waste Management Plan
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Footings Design
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Structural Beam Designs
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Retaining Wall Designs
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BPA (Building Plan Approval Structural Check)
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All Consultant Coordination
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Priority Turnaround
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One Point of Contact
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Submission Ready Pack Delivered
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Weekly Progress Updates
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(Organised only if required by Council/Certifier)
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Bushfire Report (BAL)
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Flood Report / Flood Impact Statement
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Acoustic Report
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Geotechnical Report
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Detail & Level Survey
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Landscape Plan
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Why Partner with Us?
Your Retainer gives your building or design business a consistent engineering backbone - predictable, fast, and tailored to how you work. Everything listed below in included in your monthly retainer.
Any job-specific documents required by council are simply invoiced per project as needed - shown below as Additional Services
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Civil Engineering (Stormwater & Drainage)
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Driveway Design
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Structural Engineering Footings (Standard slab typical dwellings)
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Waste Management Plan
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Sediment & Erosion Control Plan
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Sydney Water Tap In
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ALL Consultant Coordination
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Priority Turnaround
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One Point of Contact
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Submission-Ready Pack Delivered
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Structural Engineering
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Retaining Wall Structural Details
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Structural Beam Designs
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BPA
Civil Engineering / Drainage
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OSD System
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Driveway Long Section (detail)
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Stormwater Redesign (if any layout changes are made)
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Subdivision Design
Site Conditions Add Ons:
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Bushfire Report (BAL Assessment)
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Flood Report / Flood Impact Statement
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Landscape Plan
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Heritage Impact Statement
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Detail & Level Survey
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Acoustic Report
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Geotechnical Report
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What is a Pre-Purchase Site Feasibility?
A Pre-Purchase Site Feasibility is a high-level due diligence review of a property before you commit to buying.
We assess planning controls, site constraints and council requirements to identify buildability risks and cost drivers that are often missed until after purchase.
This is not a house design or a fixed build cost - it’s an early warning system that helps you buy with confidence or walk away before costly issues arise.
report straight to your email
What You Will Receive
A concise, plain-English feasibility report prepared specifically for your property.
A clear summary of zoning, overlays and planning controls that apply to the site - and how they affect what you can build.
Identification of site conditions that may impact buildability, design flexibility or construction complexity.
Early identification of factors that commonly lead to design changes, delays or unexpected construction costs.
Overview of key physical and planning characteristics identified for the site.
Contact us
We will get back to you asap
Sydney - Wollongong - Southern Highlands - Goulburn - Surrounds
Call/Text anytime 0433 713 173
Our Hours
Sydney to Goulburn
We cover every Suburb
Plan haus assists homeowners through the DA process by helping identify what’s required, coordinating DA stage civil inputs, supporting the engagement of required consultants, and helping prepare DA documentation. Our role is to reduce confusion, duplication, and avoidable delays.
Plan haus is typically engaged once a site survey is available and architectural plans are underway or close to final. This allows us to assist early enough to minimise rework, while recognising that council may still request additional information during assessment.
Plan Haus will review your site and proposal to identify the engineering designs and specialist reports required for your DA. Once engaged, we coordinate those inputs and provide you with the DA documentation ready for lodgement. While council may still request additional information during assessment, you are not left guessing what needs to be prepared upfront.
Most projects are completed within 1-3 weeks, depending on complexity. You’ll receive clear timelines upfront so you always know where your project is up to.
We also provide you with a weekly project update so you're not chasing us.
Yes. It’s very common for councils or certifiers to request additional information during assessment. Our role is to help simplify and manage that process by clarifying what’s being requested, coordinating the required updates or additional documentation, and helping keep the approval moving forward as efficiently as possible.