This is the 4612th most frequent Russian word.
делалось
"Was being done" or "was made" (past passive form).
In this sentence, 'делалось' explains that the action of renovation was carried out in the past, passively, by someone else.
Ремонт в доме делался профессиональными мастерами.
The house renovations were done by professional craftsmen.
Here, 'делалось' is used to denote something was focused on or emphasized in a past context.
Чему делалось особое внимание в этом проекте?
What was given special attention in this project?
In this example, 'делалось' reflects a general past action, setting it apart from the current method of doing things.