Many commercial farming buyers are looking to expand as the required scale of agriculture increases, according to Savills. : Many commercial farming buyers are looking to expand as the required scale of agriculture increases, according to Savills The cost of farmland in South West England rose last year as demand continued to outstrip supply, a new report has found. The region saw a marginal increase of 18,100 acres (3%) of land available for sale but competition bolstered prices, according to real estate firm Savills.