SCOTLAND'S commercial property market has had a strong start to the year with the value of investment deals in the first quarter set to increase 33 per cent on the same period last year, sector specialists reckon. Savills said deals worth £662.6 million are expected to exchange or complete by 31 March up from £498m last time. It expects £215 million will be invested in Edinburgh, £108m in Glasgow and £83m in Aberdeen. A further £257m will be invested in shopping centres. Savills said big players from Germany, the US and the Middle East are active in Scotland.