Speaker or Narrator, and Point of View
The poet is the narrator, and he is speaking from his own point of view.
Form and Meter
AAAB rhyme scheme; Iambic tetrameter except for the unrhyned last lines in iambic dimeter
Metaphors and Similes
"The birdsong from the radio" is a metaphor for the fact that there is no wildlife in Slough anymore; there Is no birdsong, because there are no trees, and therefore no birds. Young men listen to the radio all day but since there is never any birdsong playing they don't know what it sounds like.
Alliteration and Assonance
The repetition of the word "tinned" is alliterative and emphasizes the monotony of mealtimes.
Irony
"friendly bombs" are an irony; bombs are by definition not friendly, yet the poet feels like any bomb that destroys Slough will be doing the world a favor.
Genre
Satirical poetry
Setting
England, World War Two
Tone
Sarcastic, satirical, scornful and mocking
Protagonist and Antagonist
The working man of Slough is the protagonist; the establishment forces taking it apart one tree and one field at a time are the antagonists.
Major Conflict
The War is the major conflict dealt with in the poem.
Climax
The potential bombing of Slough and its return to a more natural and overgrown state is the climax of the poem.
Foreshadowing
The influx of establishment wannabe middle classes foreshadows the ruination of Slough as it is marginalized in favor of the more genteel Maidenhead.
Understatement
"There isn't grass to graze a cow" is an understatement because there is no grass, no fields, no trees - in fact, nothing living or breathing whatsoever has been left.
Allusions
No specific allusions, but the poet alludes to the war going on.
Metonymy and Synecdoche
No specific examples
Personification
The description of the bomb as "friendly" is personification because a bomb, an inanimate object, cannot be friendly or unfriendly in of itself; it cannot have feelings or emotions.
Hyperbole
"It isn't fit for humans now" is hyperbole; the city of Slough is ugly, barren and a shadow of its former self but it is safe and hygienic and absolutely fit for human habitation. It is almost snobbery in the poet that makes him refer to it in this hyperbolic manner.
Onomatopoeia
No specific examples
