What is the house upgrade order in Animal Crossing: New Horizons

First House Upgrade:

• 98,000 bells to upgrade to this house
• You change from a tent to a house
• You just get one room
• The dimensions are 6x6 squares (36 in total)

Second House Upgrade:

• 198,000 bells to upgrade to this house
• You get a larger room
• You just get a one large room
• The dimensions are 8x8 (64 in total)
• You get +28 squares
• You get +40 storage (total: 120)

First Room Expansion:

• 348,000 bells to upgrade to this house
• You get an extra room to the back of your house
• You have two rooms
• The dimensions of this room is 6x6 (36 in total)
• You get +36 squares
• You get +120 storage (total: 240)

Second Room Expansion:

• 548,000 bells to upgrade to this house
• You get an extra room to the left of your house
• You have three rooms
• The dimensions of this room is 6x6 (36 in total)
• You get +36 squares
• You get +80 storage space (total: 320)
• You can move your mailbox

Third Room Expansion:

• 758,000 bells to upgrade to this house
• You get an extra room to the right of your house
• You have 4 rooms
• The dimensions are 6x6 (36 in total)
• You get +36 squares
• You get +80 storage space (total: 400)

Second Floor Expansion:

• 1,248,000 bells to upgrade to this house
• You get a second floor (to access, go to the front of your house and go up the staircase)
• You have 5 rooms
• The dimensions are 6x10 squares (60 in total)
• You get +60 squares
• You get +400 storage space (total:800)

Basement Expansion:

• 2,498,000 bells to upgrade to this house
• You get a basement (to access this room, go to the stairs across from your upstairs)
• You have 6 rooms
• The dimensions are 6x10 squares (60 in total)
• You get +60 squares
• You get +800 storage space (1,600 total)
• After paying this loan, you can customize you house (exterior) for free

Storage Expansion:

• 500,000 bells to upgrade to this house
• You get +800 storage space (2,400 total)

Thats pretty much it