NSW councils – My blog

October 21, 2025

Landscape Plans for DAs: What Councils Assess and the WSUD Link

What NSW councils assess in DA landscape plans — landscaped area, deep soil, canopy, species — and how good landscape design integrates…

October 14, 2025

MUSIC Modelling Explained: Council Stormwater Compliance

How MUSIC modelling demonstrates stormwater quality compliance to NSW councils — pollutant targets, source nodes, treatment nodes and MUSIC-link.

July 15, 2025

Swept Path Analysis: When Councils Demand It and Why It Pays

When NSW councils require swept path analysis, which design vehicles matter, and how early vehicle turning checks rescue basement and driveway designs.

March 25, 2025

Granny Flat Stormwater & Site Rules Across NSW Councils

How stormwater disposal, OSD and site rules affect granny flat approvals across NSW councils, and how to avoid the traps on downstream…

February 4, 2025

Waste Management Plans for DAs: What NSW Councils Want in a WMP

What NSW councils look for in a DA waste management plan — demolition, construction, operational waste, bin storage, collection design and swept…

September 24, 2024

Rural Driveways and Culverts: Section 138 Approvals in NSW

Building a rural driveway or culvert in NSW? Learn when you need section 138 Roads Act approval and how to design an…

May 7, 2024

Climate Change Factors in Stormwater Design: What NSW Expects

Why NSW councils now ask for climate change factors in stormwater models, how the ARR 2019 interim guidance works, and what it…

February 13, 2024

ARR 2019 in Practice: How New Rainfall Data Changes OSD Design

How ARR 2019's ensemble temporal patterns, 2016 IFDs and pre-burst rainfall change OSD and drainage design for NSW builders, developers and certifiers.

June 14, 2022

WSUD Explained for NSW Builders: Treatment Trains & Councils

What Water Sensitive Urban Design means for NSW builders, why councils require water quality treatment, and what actually counts as a treatment…

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