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How to fix sloping backyard?

elsa2
Getting Established

How to fix sloping backyard?

Hi,

We wanted to do some landscaping to fix the sloping backyard as the attached pictures but we do not have any idea. Please give us an idea. Thanks!

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JacobZ
Bunnings Team Member
Bunnings Team Member

Re: How to fix sloping backyard

Hi @elsa2,

 

Welcome to the Bunnings Workshop community, it is fantastic to have you with us.

 

I would suggest you install a sleeper retaining wall with suitable concrete foundations along this line.

 

 

This would create a two-tiered space where each tier can be levelled. I would suggest extending the retaining wall so that it is level with the landing at the base of the stairs. You can then remove material from the bottom tier to level it and fill behind the retaining wall to level the top tier. This will give you two level tiers that can be used for future garden plans.

 

You can use Ridgi Sleeper Posts of a suitable size for the height of the retaining wall and the thickness of your sleepers.

 

There's a variety of options for sleepers, including timber sleepers, concrete sleepers and composite sleepers.

 

Have a look at How To Build A Timber Retaining Wall alongside the Ridgi Install Guide and Ridgi DIY Installation Guide for an idea of the process.

 

Allow me to tag @Dave-1, @mich1972 and @JoeAzza to see if they have any ideas to add.

 

Let me know what you think and if you have further questions, please don't hesitate to ask.

 

Jacob

 

Dave-1
Community Megastar

Re: How to fix sloping backyard

Afternoon @elsa2 

I would also liek to offer a warm "Howdy" and welcome to The Bunnings Community Pages :smile:

 

A question first, Is there anything beyond the back fence? As in a neighbour?

 

Their are two ways you could go, A two step terrace or a steepish slope. Or maybe a mixture of the two?

Terrace

A low gabion wall all the way across the yard. Large gabion retaining wall build As an example. You can make smaller in height Gabions or even buy prefabricated cages that you will with whatever stones you want. Jack 80 x 40 x 40cm Rectangle Landscaper's Plant Support Garden Gabion 

These do not need any foundation other then packed earth that they sit on, allow free drainage by the very nature of them and have stood the test of time. If you stroll through my bookmarks under my name you will see a range of projects with gabions and how to build them.

 

Terrace with steep slope

No retaining wall, However you will be changeing the angle of teh soil so you have a smooth transition from the steps to the bottom of the fence. It will be steepish and will need to be grassed so rain wont create gullys while its taking time to establish.

 

Terrace with small slope

Place the gabion wall closer to the back fence, back fill the area and give it a small slope. You will need fill and possibly grass to create a nice area fast (or grass seed it) You could also plant some small trees/shrubbery on the low side of the gabion wall next to the fence so you hide how close the fence may appear.

 

Last one (I like this the most)

Gabion wall but across the yard in line with the steps. You could either have a sloped ramp down to the area or steps. But with the retaining wall next to teh steps it gives you the most flat area to play with without risiing the soil badly next to your fence line. You would have a fair bit of escavation tho digging out a 600mm wide trench to start with down to what will be the new ground level. I would not go closer then the steps to the house tho.

 

Dave

elsa2
Getting Established

Re: How to fix sloping backyard

Thank you so much Jacob for the ideas.

elsa2
Getting Established

Re: How to fix sloping backyard

Hi Dave,

Thanks for the options. I was just wondering if you could explain the last option in the picture attached below where i have got the section with approximate measurements. Thank you in advance.

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JacobZ
Bunnings Team Member
Bunnings Team Member

Re: How to fix sloping backyard

Hi @elsa2,

 

Allow me to tag @Dave-1 so he is notified of your question.

 

I'm sure he will respond shortly.

 

Jacob

 

Dave-1
Community Megastar

Re: How to fix sloping backyard

Good Morning @elsa2 

Gabion walls need to be 2/3rs ish of their height. So If your wall is going to be 600mm high then it needs to be 400mm wide. The weight is what is holding back the soil for your steps and the area around them (footing for the house will be deeper so no stress there.

 

Your 2260mm will work out to be 1860mm ish  for your new lawn area and the slope you have drawn from a retaining wall to the fence matches what was in my head. I never like building up the soil next to a fence line as its too easy to be that neeighbour with their head over the fence :smile:

 

If you went with the option you have drawn there is a fair amount of soil to move and potentially take away. Also you will need steps or a ramp to be part of the wall. Do you have any ideas on how you could do that? Rem a path should not be under 800mm. I do have an idea but it does take a chunk of that area up.

 

Dave

elsa2
Getting Established

Re: How to fix sloping backyard

Hi @Dave-1,

Thank you so much for the explanation. We will do some planning and then might carry out the work as per your instruction. I will get back to you if i need more information. Thank you again :smile:

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