Preliminary Planning Assessments - NSW

Understand your project's feasibility.

A Preliminary Planning Assessment (PPA) is like a dress rehearsal before diving into a full Development Application.

It gives property owners, developers and everyday homeowners a clear idea of whether their project is viable under NSW planning rules.

Instead of spending big on full drawings and reports, a PPA checks the essentials first: zoning, land use permissibility, height limits, floor space ratios, setbacks, heritage overlays, parking requirements and anything else that might stand in your way.

You’d need one if you’re thinking about a development but want certainty before committing eg a dual occupancy, a new secondary dwelling, a subdivision, or even a commercial change of use.

The benefit is that you can identify red flags early, explore design options, and plan for any variations (like Clause 4.6 requests) well before lodging with council.

As for approval viability, a PPA doesn’t give you consent, it gives you strategy. It highlights risks, pinpoints opportunities, and arms you with a roadmap to get your DA or CDC approved faster and with fewer surprises.

StraightLine Planning can provide you with a Preliminary Planning Assessment in just 24 hours.

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Four examples where a Preliminary Planning Assessment would be recommended in NSW:

Dual Occupancies

Before lodging a DA for a dual occupancy on a tricky block

Conversions

When exploring whether a warehouse can be converted into residential units

Pre-Purchase Confidence

Prior to buying a site to check development potential and zoning controls

Commercial

Change of Use

Before changing a shopfront into a café or medical premises

Risks & Challenges

Preliminary Planning Assessment challenges.

The main challenge with a PPA is that it’s advisory, not an approval.

Council isn’t bound by the assessment, and planning rules can shift if new policies or DCP amendments come in.

Another risk is over-reliance - some clients treat a PPA as a guarantee, when in reality it’s an informed guide, not a consent.

There’s also the challenge of complexity: if the site sits in a heritage area, flood zone or bushfire-prone land, extra reports may be needed to get an accurate picture.

Lastly, timing can be tricky. PPAs are only as good as the information available, so if surveys or title details are incomplete, you might get an unclear outcome.

The upside is that even with these challenges, a PPA usually saves far more money and stress than charging ahead blind.

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