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My She She Shed Foundation

Now that your kitset wooden shed has arrived and you contemplate the process of putting it together, you may ask yourself

‘what is the best surface or foundation for my shed?’

You have several options and these depend on;

How flat the surface is that you wish to place your shed on.

Whether you may wish to move your shed in the future.

Do you want to add a small deck?

How much weight do you want to place on the floor of your shed.


The easiest and quickest option for those with a very flat surface is to place your treated bearers straight on the ground. This can be on grass if you have a nice hard, flat site and this makes it relatively easy to move it later.   

Shabby Chic Shed
Craft Shed with bearers on grass

Another option that is relatively simple and cost effective is to make a gravel pad to place your shed bearers on.

To do this you must measure the size of the surface area you will be needing (larger than your shed size is always a good option).

Gravel Pad

Step 1. Dig out the soil to a depth of approx. 15 cm and check your surface is level.

Step 2. Create a frame around your square with some 6” x 1” timber (this will help to stop the dirt falling back in and create a solid surface).

Step 3. Lay a membrane over the exposed earth to help stop moisture. (this is optional).

Step 4. Add your gravel keeping it slightly lower than the top of your timber.


Gravel foundation                                                         Bearers on a gravel base

Your treated bearers will then have a good solid base to sit on

You could opt to place your bearers on a concrete pad. This is a more expensive option but will create a solid base.

Concrete Pad

Concrete base

Step 1 Mark and measure the area.

Step 2 Create the frame with timber

Step 3 Dig out the area, removing roots of trees. Level and compact the soil.

Step 4 A small garden shed will not need reinforcing mesh but you can add this is you wish. Pour your concrete filling the whole area.

Step 5 Screed off making the concrete level. Tamp down well in the corners. As the concrete begins to set smooth off with a trowel.

Step 6 Let the concrete cure. (If the weather is hot and dry, water down the concrete with a hose to stop it drying out too fast.) Give it at least a week to cure correctly (you can cover it with plastic or a tarpaulin to help slow the drying process). 


Another option that works well for a flat or contoured site, is to sit your wooden shed on blocks or piles. These can be either floating (sitting on top of the ground for a flat site) or you could choose to concrete them in place if your site is not level (a more permanent option). This lifts your shed up off the ground and gives you the opportunity to create a level base with the bonus of being able to add a small deck or steps.

Make sure you have enough blocks/piles for the size of your shed as you want to make sure your timber bearers are not put under excessive strain.

If you choose to put in piles this will also provide a good solid anchorage point for those sheds that are in high wind zones.


Whatever you think may work well for you and your site, remember it is always a good idea to put a little bit of research in to what works best for your area. Always take into consideration the size of your shed, your site, what purpose you have for your kitset shed and weigh this up with the cost to make your project a positive experience.

This is written to the best knowledge and research of the writer. SheShed and Homelandz take no responsibility for misguided, misused information. This is correct at the date written and it is instructed that all purchasers of sheds do their own investigation to what consents apply in their local council.

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