A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Re: "We want to show visually which house is doing well"
It appears your task could be simple.
Providing the cells are filled with numeric values then using the built-in
conditional formatting "Color Scales" just might work...
The image below was achieved in two separate steps.
Selecting the first group of cells and clicking the top right icon.
Selecting the 2nd group of cells and clicking the icon to the left of top right.
Change the numbers and the colors change.
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(this afternoon got a 10% rent increase notice taped to my door -
was that you?) <grin>
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Nothing Left to Lose
https://1drv.ms/u/s!Au8Lyt79SOuhZw2MCH7_7MuLj04?e=sAwbHU
(free excel programs)