Can You Build A Granny Flat On A Sloping Block?

The easiest place to site a granny flat or transportable unit for any purpose is on a flat open section. But, adding a granny flat to a sloped section is possible with a bit of planning.

Before you start adding a granny flat to a sloped section

Before you start make sure you do some careful planning. Consider the section itself – the direction and the steepness of the slope.

Then think about this in relation to:

• the size of the unit you are adding
• where the entrance of the unit needs to be
• how the unit needs to be sited in terms of sun and wind
• what access you require around the unit and to the section

Once you have thought about this you can draw up a plan as to how the unit will be sited on the section.

The second thing you need to plan is how you will make the granny flat level. Most people choose to do this by using piles to site the unit. You could also support the unit on blocks but you will need to ensure these are very solid and stable.

Challenges of Building on a Sloping Block

Building on a slope does come with its set of challenges, especially regarding construction logistics and site preparation:

1. Access and Construction: Steep slopes can make it difficult for construction teams to access and work on the site.
2. Increased Site Work: More extensive excavation and potentially retaining walls are necessary to stabilize sloped land, which can increase upfront costs.
3. Geotechnical Considerations: A detailed geotechnical report is crucial to determine the stability of the slope and the depth of foundations required to safely build your home.
4. Erosion and Landslide Mitigation: Special measures may be needed to prevent erosion and landslides, depending on the steepness of the slope and local council regulations.

Money Spaces have experience dealing with all kinds of sections

Our team have installed units in many places so adding a granny flat to a sloping section is a challenge we are happy to accept.

We use a range of machinery to site the unit on your section including trucks and diggers and cranes where necessary although this may incur extra costs. Our team can also temporarily block your unit until you install permanent piles.

If you are not sure how to site your granny flat or whether you need council consent for your secondary dwelling, then we’re happy to advise you.

Contact Us for more information.