Dampproofing/ replaster - Damp Proofing job in Bristol, Avon

Job description

I am actively looking to hire someone a.s.a.p. The job is:1 or 2 walls. hack off existing plaster etc., re-render/tank/ line/ or whatever is agreed to prevent future penetration of rain, replaster. The location is very exposed, the rain only penetrates when it is strong/ wind-driven. I want to avoid external work.
I am the landlord of the property.