Lifting, re-bedding and pointing the ridge and hip tiles using new mortar
Installation of new stepped lead flashings at the abutment walls
Raking out and Re-pointing the failed mortar on the chimney stack flaunch, lifting the water table coping stones on the verges to install new DPC membrane and stripping off the flashings, lead soakers and slates at the abutment wall to install new lead soakers and flashings