Hi Jodie,
If your neighbour is reducing ground levels by around 600mm near the boundary, I would be concerned about relying on a soil slope alone, especially long term.
The key issue is lateral support for your land, not just replacing the fence. Soil can move over time, particularly with heavy...
From a long-term usability point of view, it may also be worth thinking beyond the immediate structural requirement and considering how the property will function in the future.
A lot of homeowners focus on compliance and current layout needs, but accessibility and ease of movement can become...