Bongo Fury

I had to have my two front lower suspension joints replaced to get the Bongo through it's MOT.

Picked it up today and the steering now pulls to the left. Also, when the steering wheel is dead centre the vehicle moves to the left - seems out of alignment.

Does the tracking usually need to be reset after suspension joint replacement? Starting to regret having the job done, although no choice. £180 the poorer and a new problem!

I would think it is quite likely that it would need tracking.
The new parts could well have altered the suspension geometry which would throw the tracking out.
It may have been tracked previously with the worn parts on, now its all new and tightened up things will have changed.

If they just changed the joints and not the whole wishbone assembly, I would hazard a guess it hasn't been done properly, like the joint not seated properly on one side.... take it back.... If you change a wishbone - like for like - there will be no difference.
With Track rod ends, in the main it's okay too unless it has been tracked to worn components.... For best results tracking can be done after new rod ends/