Possible Clues:

• Fear cracks in lead -- very basic construction
• Rep rebuilt amazing house
• Informally, a house of the type built in large numbers during and after the Second World War
• Turns up, fixed charge is reduced in public house for port by one of those accommodating, prepared types off-site
• Post-war dwelling
• Page about marvellous quickly assembled property
• Quickly assembled building
• With heavy metal cladding, fear collapsing building
• Porter regularly going over lovely, small building
• First three prepare half of the material so it's ready in advance