Holland Crest - a prime-district residential condominium on Holland Hill - is up for enbloc sale. The 42 owners are hoping to get at least S$67.5 million for the 52,000 square feet freehold site. This will work out to a land value of S$800 per square foot per plot ratio. The land is zoned for residential use and has a plot ratio of 1.6. The successful developer will be able to build about 66 units,...