Are the light fittings selected correct for what you want?
During installation, make sure the correct lights are in the correct position
Have you organised broadband?
Have you organised wiring for TV?
Has electrical work been inspected prior to connection?
Has plumbing work been inspected prior to connection?
Have you signed off on location of plumbing and electrical?
It can be expensive to add new locations once its plastered
Installation of windows and sisalation (sarking)
Are all windows the correct size and design on delivery?
Has correct flashing been installed?
Are windows the correct colour?
Installation of external doors
Are all doors the correct size and design on delivery?
Has the garage door been installed correctly?
Has the garage door been installed correctly? Make sure garage door is ordered once frame completed as there are usually lead times for them to be make
Generally, if items are incorrect, this can delay a project and be very expensive if not picked up on early.