How much does it cost to build a modern 70 m² house? See the hidden cost of R$ 7,545 that appears before materials and labor.

Written by Fabio Lucas Carvalho

Published on 06/06/2026 at 00:13

Updated on 06/06/2026 at 00:14

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A survey based on a modern 70 m² house, with three bedrooms and a suite, shows that building a house requires planning before construction, as a complete project, plotting, document management, municipal fees, ISS, occupancy permit, and hydrosanitary inspection can total R$ 7,545

Building a house of approximately 70 m² can require R$ 7,545 just in project, documentation, and initial fees, before expenses on materials and labor, considering the values presented for a modern three-bedroom residence.

In the survey presented by Maicon Bruske Investe, the simulation in Santa Catarina considers a house with three bedrooms, one being a suite, modern facade with parapet, living room, kitchen, laundry room, social bathroom, and finishing already planned in the project.

Building a house starts before construction

The first cost pointed out is the complete project, estimated at R$ 3,500 for a 70 m² residence. The calculation is equivalent to about R$ 50 per square meter, a value charged by the architect in the mentioned region.

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Fees also weigh on the budget

Besides the technical stage, building a house involves municipal and responsible agencies’ fees. The feasibility was estimated at R$ 60, while any registration correction at the city hall appears with a cost of R$ 35.

The project analysis totals R$ 200. The ISS of the construction was calculated at around R$ 800, and the project approval also appears with a value of R$ 800.

When the residence is ready, there are still expenses for regularization. The occupancy permit costs R$ 200 in the mentioned city. The connection and inspection for the hydro-sanitary certificate were also estimated at R$ 200.

In total, the fees were calculated at R$ 3,295. Along with the R$ 4,250 for the technical part, the so-called “paperwork” reaches R$ 7,545.

Regularization is presented as an essential step to avoid embargo, issues with inspection, and future difficulties in selling or financing the property. The INSS of the construction was not included in the account and may depend on the execution and contracting method.

Have you ever tried to build a house or know someone who went through this process? Tell us in the comments if these values are close to the reality of your city, which fees appeared during the construction, and which stage weighed most on the budget even before the start of construction.

Source: Maicon Bruske Investe

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How much does it cost to build a modern 70 m² house? See the hidden cost of R$ 7,545 that appears before materials and labor.

A survey based on a modern 70 m² house, with three bedrooms and a suite, shows that building a house requires planning before construction, as a complete project, plotting, document management, municipal fees, ISS, occupancy permit, and hydrosanitary inspection can total R$ 7,545

Building a house starts before construction

Fees also weigh on the budget

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How much does it cost to build a modern 70 m² house? See the hidden cost of R$ 7,545 that appears before materials and labor.

A survey based on a modern 70 m² house, with three bedrooms and a suite, shows that building a house requires planning before construction, as a complete project, plotting, document management, municipal fees, ISS, occupancy permit, and hydrosanitary inspection can total R$ 7,545

Building a house starts before construction

Fees also weigh on the budget

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Dissatisfied with seeing people sleeping on the street, a man named Ryan Donais started building small mobile homes so that homeless people can escape the cold, each equipped with a bed, running water, electricity, and heating.

Cambodia has started digging a nearly 180-kilometer canal to connect the Mekong River directly to the sea and reduce its dependence on the ports of neighboring Vietnam.

China has put millions of electric cars on the roads, but now faces the side effect: more than 1 million tons of batteries are expected to go out of use per year by 2030, while the government expands tracking and combats illegal dismantling with environmental risks.

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Forget the Toyota Hilux: with a 2.0 turbo engine and 475 hp, the new BYD Shark Performance tows 3,500 kg, accelerates in 5.5 seconds, and addresses historical criticism, but loses load capacity and surprises even medium pickup truck owners.

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