I think it is Nerium oleander.

Thanks Kasi & Bilbo.
Looks like I've left it too late to prune. I dont know if it will get any new shoots to flower from.
Oh well you learn something everyday.

Beautiful foliage Willinilli

I am sure you'll see the beutiful flowers this year. I had at work smaller plants flowering - so fingers crossed:) Keep feeding it - possibly the fertilizer for flowering plants - and wait:) and keep us informed of course:)

Thanks Scotkat, it is a nice looking plant.
Kasy I will keep you posted, everything crossed :-)

:):):)

I usually recommend pruning it after its first flush of bloom in the late spring. Pruning it in the fall could prevent blooming the next spring.