Possible Clues:

• They're stable enough for hawking but not spitting
• Kitten comments
• Row of stables, in Britain
• Kittens' sounds
• Street or yard with stables converted into houses
• A way to escape the Yard
• Animal cries from converted stables
• Sounds from cat in fashionable street
• Cries from cat heard in converted stables
• Kittenish calls