The Inner North covers the suburbs immediately north of the harbour and along the lower north shore. Many streets climb and fall sharply, large trees are common, and apartment buildings from several eras stand beside older houses on smaller lots.
What shapes plumbing here
Established trees mean roots are a frequent reason that older drains slow down or block. Sloping blocks often put the house below or above the street, which affects how drains are laid and how stormwater leaves the property. Rock close to the surface in parts of Sydney can make excavation slower, which is worth knowing when a repair needs digging. Older walk-up apartment buildings may have original pipework and shared drainage that is hard to trace.
- Ask for camera inspection if drains slow repeatedly near large trees.
- Look at how downpipes and stormwater leave a sloping property.
- Expect access limits in older apartment buildings.
Other suburbs in this part of Sydney
These areas share much of the same character. They do not have their own guide on this site yet.
- Crows Nest
- St Leonards
- Artarmon
- Lane Cove
- Willoughby
- Neutral Bay
- Kirribilli
- Mosman
The suburbs listed above do not have their own pages yet. For topics that apply everywhere, read blocked drains in Sydney and the blocked drain checker, or look at the nearby North region.