Application for a Certificate of Lawfulness of Proposed Works to a Listed Building - Existing paving slabs to the veranda will be lifted, exposing the current mortar bedding and concrete base. A continuous bonded waterproof membrane will be installed over the concrete base, formed with an up-stand at the external wall and integrated with a bell-cast detail to prevent water ingress into the vault below. Masonry cracking will be repaired using structural stitching where required, and minor cracks will be re-pointed using breathable lime-based mortar.