As a guide, the cost of surveys is likely to around the figures shown in the  table below.

Value

Valuation Homebuyers Surveys

Building Surveys

Specific item
Structural Reports
up to £150,000
£175 £325 £550 £250
£150 - 350,000 £225 £400 £650 £250
over £350,000 POA      
If you provide an approximate build date and number of bedrooms a fixed price can be quoted. 
These figures include taxation at the prevailing rate upon instruction. 
Payments are preferred by electronic transfer but other methods are acceptable.