Cost calculator
Calculate a rough price estimate immediately and then easily post your job.
This indication is based on category, type of service, amount of work, condition, choice of materials, urgency, and region.
Please note: this is a general price indication. Actual costs may vary depending on the craftsman, choice of materials, accessibility, urgency, and the condition of the work.
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Why Construction Work through FixThatNow?
- Certified engineers – with experience in residential, commercial and complex load-bearing structures.
- Prevents risks – correct calculations ensure safety and comply with Dutch standards.
- Necessary for permits – many construction and renovation plans require structural calculations.
- Transparent quotes – insight into activities, lead times and costs.
How does it work?
- Post your job for free – Describe which structural adjustment or calculation you need.
- Get quotes from builders – Screened specialists often respond within hours.
- Choose your expert – Compare price, experience, drawings and reviews.
Services related to Construction work
- Structural calculations – mandatory calculations for extensions, additions, roof structures or internal adjustments.
- Remove load-bearing wall – calculations, drawing and guidance for safe replacement with steel beam (HEA/HEB/IPE).
- Construction drawings – professional drawings for permits and execution by the contractor.
- Foundation calculations – advice and calculations for new or modified foundations.
- Roof constructions – calculations for dormer windows, roof extensions, additional loads or roof openings.
- Floor constructions – checking, calculating and strengthening existing floors.
- Inspection of existing structures – assessment of cracks, subsidence or weak components.
- Assistance with permit applications – documents and calculations that meet municipal requirements.
- Advice during implementation – inspection and guidance during installation of beams and construction work.


Why choose FixThatNow?
- Not an engineering firm, but a platform – you choose from several recognized constructors.
- Fast responses – quotes often available within hours.
- Transparent profiles – experience, previous calculations and reviews visible.
- Easy communication – everything clearly arranged via our platform.
Frequently Asked Questions (FAQ) about Construction Work
For almost all structural adjustments, such as removing a load-bearing wall or adding an extension, a calculation is required.
Average cost ranges from €150 to €800, depending on the complexity and required drawings. Quotes provide clear insight.
No, this is unsafe and may require a permit. A certified engineer is required for safety and approval.
Usually 2 to 7 working days depending on complexity and required documents.
Yes, many construction companies provide all the necessary calculations and drawings for the environmental permit.

