my house is double terrace, original is wire fencing, my contractor quote me rm3.2k to built up 2 walls (left and right, total about 32ft).

he say will do 5 piling per wall (use kayu bakau one), dig about 1 ft deep and then use steel bars to make base concrete foundation, and then put red brick until 5ft height.

price is rm100 per ft, is reasonable?
he say can cheaper, just put brick on top original cement base after take out the wire fencing.

any comment? TQ