Do get a full structural survey and don;t get the basic one or even the Hom******s Survey. For an extra £200 go full structural.
This, people will do anything to hide problems and you could end up spending ££££ on repairs.
Here is a list of things to look out for when viewing properties
Inside
Cracks in walls or ceilings.
Check internal walls for signs of damp - signs include mould or peeling wallpaper, or if walls feel damp to touch.
Problems with condensation - check kitchens and bathrooms carefully.
Check woodwork for holes from woodworm.
Beware of crumbling internal woodwork. This could be a sign of dry rot.
Look in the loft/attic - check for cracks of daylight, and whether there is adequate insulation (around 200mm).
Check the plumbing. Poor water pressure could be a sign of potential plumbing problems.
Check for springy floors - feel free to bounce up and down.
Outside
Check the brickwork. If the pointing is in a poor state, then damp will get in. Also check for staining in corners or below gutters.
Check if the house has a damp-proof course. An older property may not so you will have to ask the owner what measures have been taken to prevent rising damp.
Check the roof. Ensure there are no missing tiles, and that the roof line isn't sagging. Is there any missing guttering? With a flat roof, check for cracks or bubbles.
Check the chimney to make sure the pointing in the brickwork is in good condition.
Check for cracks in external walls, which could mean subsidence.
Check for blocked or damaged drains.
Check for cover-ups - such as where paint or render has been applied.
Check for large trees near the property - roots may interfere with the foundations.
Check doors and window frames for signs of rot.
Also don't be afraid to make low bids, you can always go higher.
I would have thought it would explicitly say so.