Since you say you are a beginner, I would suggest to start with Robert Frost, though he is American, not English. His poems are usually short, easy to understand, yet rich in meaning. read more
I think every poems can be read by beginners. While reading you have to enjoy the poem then you will get the meaning of the poem easily. Kubla Khan by Samuel Taylor Coleridge, Daffodils by William Wordsworth, If by Rudyard Kipling, Remember by Christina Rossetti. These are some English poems to read. read more