You can put shallow storage floor to ceiling on the outside wall a walk thru space and then the closet space.
Can you put a bathroom in a shed.
Read posts on here regarding horror stories before consulting your local code department.
One of the biggest challenges to rigging a detached garage is gravity.
An easier alternative though would be to set the toilet and shower on raised platforms so you can run the waste pipes through the wall and route them underground when you get outside.
Using a saniflo system you can add a toilet sink or laundry facilities where ever you wish making your time at the cottage much more enjoyable.
To get you started here are some ideas for sheds that can suit your needs.
As for converting it into living quarters there s a reason many people go stealth.
In this kind of project for example you might not be able to take advantage of the rest of your home s plumbing.
Next take the space next to the new bath and create a closet.
Tool sheds are handy when garages and other outdoor storage units are full consider upgrading to 7 sidewalls to give extra space for hanging tools add shelving for more storage and organization pegboard and pegboard hooks and a workbench equipment.
Finally you have about 14 x 15 for a large master bedroom.
There are some unique engineering challenges to putting a bathroom in your detached garage.
Once you put a bathroom and or kitchen in a large shed you have a home and the code games begin.
Putting a toilet in a shed photo source.
Your shed home is subject to regulations governing housing in your area.
In some instances you may not be able to install toilet facilities in the shed.
Standard baths run 8 x 5 and you can get by with that in a hall bath.
Lastly if you build a shed on your property without first obtaining a building permit the town can make you either move the shed or even take it down completely.
The pipes must maintain a 1 4 inch per foot slope to the tie in point with the main sewer.
Rules will vary widely and wildly from city to city and not only will your local government have guidelines but do you have a homeowner s association.