Where in the UK can I resale art pieces?

Question

where in London or Bristol can i sell my collection of modern international art pieces?they range in date from 1977-2002. i need to sell them off to raise some urgently needed funds.
thanks.

Answer 1

Portabello Rd. , London or Pimlico area, near Victoria are in London.

There are a lot of antique shops there.

All the best!/