The Society of Saint Vincent de Paul says it has serious concerns about plans to increase the carbon tax from its current level.

A report in the Sunday Independent today says Fine Gael cabinet ministers believe the plan to hike carbon taxes by 6 or 7 euro per tonne in the Budget could pose an unnecessary financial burden on people.

The hike means a 12.5kg bale of briquettes could cost 15 cent more and a 14kg bag of coal may go up more than 70 cent.

SVP National President, Kieran Stafford says people are aleady struggling: