Take personal loan for renovation?

Hello, I just received the keys to my 4 room BTO and I currently have 30k cash to pay for renovations. However, the estimated reno cost + furniture is about 50k and i would need to borrow 20k. It's a bit difficult for me to borrow from family, and my salary has been quite low so even though i'm saving about 30-40% of my salary it's still not amounting to much.

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I'm thinking of taking a personal loan (stanchart has a promo at 1.9%pa), and i'm looking at a 3 year tenure which means about $600 repayment every month. This is about 16% of my current take-home salary.

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Due to the stanchart promo and cash gifts, the total interest i'll be repaying at the end of the 3 years would be $800. Is this an okay approach, or are there other methods that i'm missing?

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Thank you!