You need to double check all the plans and specifications completely. Ensure that you get all areas of the plans and all of the symbols used. Suppose that the plans were made in advance of a building job, double check with the building surveyor or the local government that will have it approved with less alteration. Is it from a display home, has the plans been taken and cross checked for all the features and measurements of rooms and fixtures shown. Is there any features or extras that you needed or agreed upon being included by your builder or architect in the plans or in the specifications. Are all the chosen materials and design changes included in the drawings or specifications? If they are not included now, any variation that is incorporated after the contract is signed will attract extra fee.
The locations of the TV fittings, gas, light fittings,