go to gannon and pay for him to upgrade it.
yes you can
which harvest moon? if it's island of happiness you go to Gannon and select build and then select upgrade house! B)
Upgrade Your House ( Last Upgrade )
You have to upgrade your house once. Talk to Gotz the woodcutter to upgrade your hen house then again to upgrade your house.
You buy the upgrade from Gannon's shop.
go to gannon and select house upgrade and the next day it will be done
you go to the carpenter shop and select upgrade and then you can select upgrade house
Get tv shopping channel, then upgrade your house.
Ask Gannon to upgrade it.
On your telephone (at your house), ask Gotz to remodel.
200 Material Stone for the first house upgrade. 700 Material Stone for the second house upgrade.
you can upgrade your house at gotz the woodcutters shop