No idea in Malaysia, but here in UK, one of my sold property actually has a nicely furnished attic. During the repair and renovation, the contractor sorta remove the entire roof area to redo the attic so It has a proper 7-8ft space height. Of coz, the restriction in UK buildings also made the construction get delay and delayed. But at the end, we've settled it for around 260k GBP. Sold the house for around 1.15million pounds (bought in auction, 440k, renovate 260k, close to 50 furnitures? Sendiri stay for almost a year there before it was sold. So total expenses is like 800k for that year.)

It was a nice attic with the gimmick of an extendable window balcony (Which overatted, only good for smokers) Of coz, no complain, coz the 3+1 house is quite comfy after renovation. Straight Living Room to Back garden design too, so it look damn spacious. If I found my photos, I'll try to share.