Possible Clues:

• Building with roof resting against larger building (4, 2)
• Building for a spare pair, by the sound of it
• Building for insectivorous cat
• Shelter with a sloping roof
• Shed this; there's not ale there
• Simple adjoining shelter
• Slanty shanty building
• Trailside shelter
• Rickety shelter
• Shed small amount of light on tea that's stewed