Advise on source of damp in external wall

Robert requested 2 quotes from Ventilation Specialists in Balmain

Damp patches in external brick wall, not obviously caused by rising damp. Want to first to assess cause and then consider remedial treatment.

Damp assessment 100 year old brick terrace
Need assessment of damp issue and any costs to damp proof.

Ventilation to eliminate damp issue from under house.
Airflow is limited under the house, resulting in a damp smell coming up...

Damp proof and/or ventilate underfloor area of kitchen, floor has been removed
We are renovating our kitchen at the moment. the floor has been removed and...

Sub floor ventilation
We need to get rid of musty damp smells in several rooms by increasing...