Strip and re-cover of pitched roof using new over fascia vented eaves guard trays, Cromar Vent 3 Pro breathable membrane pitched roof underlay, tanalised 25mm × 50mm lath battens, GRP (Glassfibre Reinforced Polyester) dry fix bonding gutters over the party walls, anthracite grey smooth finish flat interlocking concrete roof tiles and angled concrete ridge tiles mechanically secured using dry fix ridge system