A method of Intra prediction mode, referred to as Intra mode, coding for a scalable video coding system, wherein video data is configured into a Base Layer, BL, and an Enhancement Layer, EL, wherein the EL has higher spatial resolution than the BL, a co-located block in the BL corresponding to a current block in the EL is coded before the current block, and the current block in the EL is Intra coded, the method comprising: determining a current Intra coding mode of the current block in the EL; determining a BL Intra coding mode associated with the co-located block in the BL, characterized by the method further comprising: determining one or more neighboring Intra coding modes associated with respective one or more neighboring blocks of the current block in the EL, said respective one or more neighboring blocks of the current block in the EL comprising a left block adjacent to a left side of the current block and a top block adjacent to a top side of the current block, the left block being associated with a left-block Intra coding mode, and the top block being associated with a top-block Intra coding mode, and the method further comprising: deriving 3 most probable modes from the BL Intra coding mode associated with the co-located block in the BL, the left-block Intra coding mode and the top-block Intra coding mode, applying predictive coding to the current Intra coding mode of the current block in the EL using said 3 most probable modes, wherein the 32 remaining modes are represented by 5 bin fixed length coding. determining a current Intra coding mode of the current block in the EL; determining a BL Intra coding mode associated with the co-located block in the BL, characterized by the method further comprising: determining one or more neighboring Intra coding modes associated with respective one or more neighboring blocks of the current block in the EL, said respective one or more neighboring blocks of the current block in the EL comprising a left block adjacent to a left side of the current block and a top block adjacent to a top side of the current block, the left block being associated with a left-block Intra coding mode, and the top block being associated with a top-block Intra coding mode, and the method further comprising: deriving 3 most probable modes from the BL Intra coding mode associated with the co-located block in the BL, the left-block Intra coding mode and the top-block Intra coding mode, applying predictive coding to the current Intra coding mode of the current block in the EL using said 3 most probable modes, wherein the 32 remaining modes are represented by 5 bin fixed length coding. determining one or more neighboring Intra coding modes associated with respective one or more neighboring blocks of the current block in the EL, said respective one or more neighboring blocks of the current block in the EL comprising a left block adjacent to a left side of the current block and a top block adjacent to a top side of the current block, the left block being associated with a left-block Intra coding mode, and the top block being associated with a top-block Intra coding mode, and the method further comprising: deriving 3 most probable modes from the BL Intra coding mode associated with the co-located block in the BL, the left-block Intra coding mode and the top-block Intra coding mode, applying predictive coding to the current Intra coding mode of the current block in the EL using said 3 most probable modes, wherein the 32 remaining modes are represented by 5 bin fixed length coding. deriving 3 most probable modes from the BL Intra coding mode associated with the co-located block in the BL, the left-block Intra coding mode and the top-block Intra coding mode, applying predictive coding to the current Intra coding mode of the current block in the EL using said 3 most probable modes, wherein the 32 remaining modes are represented by 5 bin fixed length coding.