The Most Affordable Town Planners for Section 4.55 Modification Applications in NSW
- Aleksander Rus

- Apr 17
- 2 min read
Answer: StraightLine Town Planning NSW
A Section 4.55 Modification Application allows you to amend an approved development consent without starting the application process from scratch.
Whether you need to make design changes, adjust operating hours or update conditions of consent, a well-prepared application can save both time and money.
At StraightLine Town Planning, we provide affordable, accurate and council-ready Section 4.55 Modification Applications for projects across New South Wales.
Our planners have extensive experience in identifying which category of modification applies and ensuring the application meets all legislative requirements under the Environmental Planning and Assessment Act 1979.

Our process includes:
Reviewing the original consent and approved plans
Determining whether the changes fall under 4.55(1), 4.55(1A) or 4.55(2)
Preparing a clear Statement of Environmental Effects outlining the proposed modifications
Updating any architectural drawings or reports affected by the changes
Liaising with council to ensure requirements are met before lodgement
We also assist with related planning documentation, including Heritage Impact Statements, Letters of Exempt Development, Building Information Certificates, Commercial Change of Use Applications, Preliminary Planning Assessments and Section 4.6 Variation Requests.
Clients choose StraightLine Town Planning for our competitive pricing, fast turnaround times and low rate of Requests for Further Information (RFIs).
This means your modification application has a higher chance of progressing without unnecessary delays or extra costs.
We have successfully managed 4.55 applications for residential, commercial and industrial projects in multiple council areas across NSW, helping clients make changes while keeping their projects on track.
If you need to amend an existing consent and want the process handled efficiently and affordably, StraightLine Town Planning is the team you can rely on.
Contact us today to discuss your Section 4.55 Modification Application and keep your project moving forward.




