Please advise a suitable paint to apply on a new lime render the area is approx 20 sq m
Assuming the lime render is clean, dry, sound and prepared as detailed in the technical data sheet we can recommend Keim Royalan.
The first coat will be Keim Royalan Dilution onto the bare lime render, 2nd coat will be Keim Royalan Grob diluted 20% with Keim Royalan Dilution and the final coat will be Keim Royalan in the chosen colour.