Apps
Calculators for building work in Colombia: permits, permit fees, soil investigation, seismic zone, pools, VAT on building contracts and warranties. Each one with the regulation behind it in plain sight, and what it cannot claim.
Before you build
What you need to know about the site and the project before anything is drawn.
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VAT on a construction contract
What base your VAT is charged on, and whether you are being overcharged.
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Minimum ground investigation
How many boreholes, and how deep, the NSR-10 requires.
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School accommodation schedule
How many square metres of classroom, playground and green space per pupil.
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Water and energy savings
What water and energy savings are required, and from when.
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Systems ruled out by seismic zone
Which systems your municipality’s seismic zone rules out.
The building permit
Whether you need one, what it costs and how long it lasts.
If there is a pool
What Ley 1209 and the 2026 resolutions require of you.
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Ley 1209 compliance
Whether your pool complies, and what penalty you face if it does not.
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IRAPI risk index
The risk index the operator is required to calculate.
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Pool turnover rate
What turnover flow rate the regulations require.
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Heating or cooling the pool
How many BTU to heat it, or how much chiller to cool it.
Who is liable and who pays
Once it is built and something has to be claimed or shared out.
For your business
Tools for your company image.
Is one missing?
These tools come out of questions people ask us. If there is a calculation you redo by hand every time, write to us and we will look at it.