RICS Home Survey Level 2 (Homebuyer) are a good way to avoid unexpected costly repairs further down the line. Getting a survey for a house or flat will give you an idea of potential repairs so that you can obtain quotations to help you determine any additional costs.
Also, you will be advised of any additional professional inspections that may be required e.g. damp or structural defects investigations. This will further ensure that your buying decision is solid.