Construction estimate, Layout plan & Route Map is required only for the cases which are under construction. Lets brief in steps what is the construction estimate and why banks use this:
If Property Is under construction, banks always demand for Construction estimates.
What is construction estimate?
The answer is it is an estimate in which the customer will give a written document in which he will give a brief of the property construction and the calculation or total cost for the raw material which will be used to build the house.
Who will make it?
The answer Architect will make and charge the money accordingly. He will visit your property, take measurements and photos and after that he will charge 1000-1500/- for that. Architect a stamp is required on construction estimates that is an important part.
What is a Layout plan?
It is a floor plan basically which is a scaled diagram that shows the arrangement of architectural elements within a space, including rooms, walls, doors, windows & other features in the house. For this Architect charge their fee according to property location and the charges will be around 500-1000/-.
What is a Route Map?
Route Map is also a part of property papers which will be made by the architect basically if I talk about what is the use of this document? This visually depicts a specific path or route often including waypoints and landmarks and geographical data to provide clear and accurate specification of a journey. The charges of Architect for this documents will be 500-1000/-
Banks & NBFC's has their own agencies which will charge some amount and make the documents they are certified Architects who charge their fee.