No your roof can't support that weight, it's designed to hold the weight of shingles only. You will need to contact a structural engineer to come up with a plan to support the additional load.

We currently have clay tiles in a teracotta colour which are original from 1940s. We are replacing our roof with a metal tile roof and can't decide on a colour. We are looking at either a teracotta colour or ebony/dark grey. We are in a bushy area in New Zealand. We are looking at leaving the window trims and the gable white but would look at painting the pop up which is currently a dark red stain to match the new roof. Any suggestions welcome! Thanks.

What wall height and roof pitch would you recommend for a house with a flat roofed portico?

Personally , I think that to give advice , you'd need to supply more information -- what the neighbourhood is like , your favourite colours , the plants in your garden , and the likes . I quite like the colours there , but I'd do the front door , the gutters , the window sills and those cap pieces up the pillar supports in an orange or teal or red or similar to add some Wow and excitement , but thats just me .