Tightening vacancies have driven up Singapore prime office rents in 2018. This saw average CBD (central business district) Grade A office rent rising by 2.4 per cent to S$9.43 per square foot per month (psf pm) from Q3 to Q4 2018, bringing the full year rental growth to 14.9 per cent, Colliers International's data showed. This is the fastest annual growth since 2010, where rents rebounded by 22 per cent...