As a follow up.
Groupset et al functioning superbly, a joy to ride, (middle chainring needs replaced soon though).
However, some small rust blemmishes are begining to show through the paint, therefore;
Conclusion: This frame is in need of a strip and re-paint.
Question : Do I strip to the frame and entrust a third party to strip, treat undercoat then base coat and clear it?
OR do I, given that I have the time and space and some relative rattlecan skill, undertake the job myself?