Alright Sam,
I think its clean, in-line with web design trends today, I think the background colours of you heads such as "portfolio " should be another colour as to stand out from the main background colour of site.
And generally I would personally add more colour but then again I guess your work will stand out more as a contrast to you white, cream and grey pastel site colours.
I think the footer on the "about us" page is above where its supposed to be, but thats an easy fix, all in all good job i rekon!