Removing a load-bearing wall, adding an extension or building a roof extension? Receive your structural calculations as a PDF, with the scope, price and schedule agreed in advance.
Prefer to talk first? Call +31 85 800 2901
Choose your project to prefill your enquiry. The amounts below are starting prices; your quotation sets out the final price and the work included.
From €506.99incl. VATBusiness: from €419.00 excl. VAT
Calculations for the opening, supports and load transfer. We discuss the required structural elements before agreeing the work.
Request a quote for this project What does this calculation cover?From €797.39incl. VATBusiness: from €659.00 excl. VAT
Calculations for the agreed elements, such as the roof, walls and foundation. An opening in the existing rear wall is agreed separately.
Request a quote for this project What does this calculation cover?From €761.09incl. VATBusiness: from €629.00 excl. VAT
Calculations for the new addition and its effects on the existing structure. The available information determines the next steps.
Request a quote for this project What does this calculation cover?From €869.99incl. VATBusiness: from €719.00 excl. VAT
Calculations based on the structure and available ground information. Any required investigation and other work are specified separately in the quotation.
Request a quote for this project What does this calculation cover?Send the address, a description and any drawings or photos you have. Include your preferred schedule.
We review the information and discuss anything missing. Your quotation sets out the work, price and schedule.
After approval, we calculate the agreed structural elements. Required drawings and details are agreed in advance.
You receive the calculations and agreed documents. You can then discuss questions about the report or changes to your plans.
Structural calculations explain how the agreed structure can carry its loads. The PDF report describes the assumptions, calculated elements and results so you can discuss them with your contractor or other parties involved.
The report example on our website is schematic: it illustrates the structure and explanations. It is not a calculation you can use for construction.
View the schematic report example (Dutch)Constructieberekening247 is the name under which Constructieberekening24/7 B.V. provides this service. Dutch Chamber of Commerce number 91071038. Have a question about your project? Call us or read about our company and working process.
Starting prices are €506.99 incl. VAT for a load-bearing wall, €797.39 incl. VAT for an extension, €761.09 incl. VAT for a roof extension and €869.99 incl. VAT for a foundation. The final price depends on your project and the agreed work. You receive a quotation in advance.
Yes. Describe your project and send the sketches, photos or existing drawings you have. We discuss which information is still needed before the calculations can be prepared.
This depends on the assignment. Your quotation specifies the calculations, drawings and details included. Agree separately whether work such as surveying, ground investigation or temporary support design is required.
The schedule depends on the scope of your project and how complete the information is. Include your intended construction date in your enquiry. We agree the schedule before the work begins.
Tell us about changes before carrying them out. We assess whether the calculations need updating and discuss the implications for the work, price and schedule.
Tell us what you want to change. Then we look at what calculation is needed.
