{"id":6689,"date":"2026-02-23T11:20:40","date_gmt":"2026-02-23T10:20:40","guid":{"rendered":"https:\/\/www.constructiefgoed.nl\/?page_id=6689"},"modified":"2026-02-23T11:20:42","modified_gmt":"2026-02-23T10:20:42","slug":"construction-calculation-for-extension-3","status":"publish","type":"page","link":"https:\/\/www.constructiefgoed.nl\/en\/construction-calculation-for-extension-3\/","title":{"rendered":"Construction calculation for extension"},"content":{"rendered":"

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Would you like to have a construction calculation<\/span> made for your new extension<\/span>?<\/h2>\n

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From \u20ac750,-<\/span>Delivered within 5 days<\/span><\/div>[vc_column_text css=”.vc_custom_1665571706404{margin-bottom: 0px !important;}”]<\/p>\n

Are you planning to install an extension? Then you need a structural design to comply with all regulations and obtain a permit. The construction calculation for an extension guarantees that you can have the extension installed safely, professionally and quickly and you can be sure that your construction is insured. You will receive a complete calculation report from us, a scale drawing and the data for a detailed calculation for the steel supplier within <\/span>5 working days<\/b>. This means you are well prepared and you have all the necessities in order for the contractor and other parties involved. <\/span><\/p>\n

[\/vc_column_text]Requesting a quote<\/span><\/span><\/a>[\/vc_column][vc_column width=”5\/12″][vc_single_image image=”4684″ img_size=”large”][\/vc_column][\/vc_row][vc_row kd_background_image_position=”vc_row-bg-position-top”][vc_column][\/vc_column][\/vc_row][vc_row kd_background_image_position=”vc_row-bg-position-top”][vc_column][\/vc_column][\/vc_row][vc_row full_width=”stretch_row” equal_height=”yes” kd_background_image_position=”vc_row-bg-position-top” el_class=”row-padding text-with-image” css=”.vc_custom_1654246309307{background-color: #14213d !important;}”][vc_column width=”1\/2″]

Is a construction calculation required for my extension?<\/h2><\/header>[vc_column_text el_class=”text-white”]When you install an extension, you change the supporting structure of your home. This means you run the risk of cracks, subsidence or worse when building an extension. <\/span><\/p>\n

To prevent these types of dangerous situations, the government has <\/span>environmental law in the decree<\/span><\/a> It is established that you must always be able to demonstrate that your home is safe, this also applies if you are allowed to build extensions without a permit. A construction calculation of your extension ensures this. If an environmental permit is required for your extension, the construction calculation is part of the permit application and is therefore essential for approval. Are you allowed to build without a permit? Then you are responsible for complying with the safety rules. <\/span>[\/vc_column_text][\/vc_column][vc_column width=”1\/2″]

What is calculated in an extension construction calculation?<\/h2><\/header>[vc_column_text el_class=”text-white”]With a construction calculation for an extension, a calculation is made of the construction in order to install the extension. The components of a construction calculation for a home extension are: <\/span><\/p>\n