The topographic study is carried out by a topographer.
It consists of drawing in a plane to scale the exact geometry of the lot where the house is built, with its level curves to see the movement of lands to be made. This may not be necessary unless the ground is too irregular.
The geotechnical report will include: location and surface conditions, subsurface exploration data and interpretation and analysis of data. It gives us the resistant characteristics of the ground and helps to calculate the adequate foundation .
This construction guarantee insurance covers a ten-year period, as its name suggests, during which time material damages caused by the building due to defects in the cementation or structure and which could compromise the stability of the building are covered.
If you want to build your house for your own and you have no plan of selling it, you are not obliged to contract it. However, if you decide that you want to sell it within the first 10 years, you will need to have a decennial insurance.
(OCT- Organismo de Control Técnico in Spanish)
It is an external company who is responsible for the review and control of the quality of the works.
- They inform the insurance company responsible for the Decennial insurance. That way, they verify that the risk for what they are covering the house is under the normal limits.
- It is a garanty for the owner of the house and also for the possible new owner if you decide to sell it.
There are laboratories where they control the materials used in the works. Carrying out an adequate quality control of the materials used in the works, in addition to being mandatory by law, is of paramount importance to guarantee the solidity and reliability of the construction.
In order to obtain the First Occupation Licence, you need to present an acoustic certificate of compliance with the acoustic insulation values established in the Technical Building Code in the DB-HR noise protection.
After the construction, you will need to register the new house.
The expenses to register the new building, which is done at the end of the work, first at the notary to draw the deeds and registering them in the Land Registry later on. Notary fees and the register are stipulated by tariffs set by law. The sum of both stands at 0.5% of the value of the house.
If you want to have any special type of installation, such as aerothermal energy, or if you want to build your house in a part of the city under archeological protection, you will need some more services.
For this kind of specific questions, we aim you to contact us and we will help you.