Guides
Understand invoicing, VAT and take-off in construction — clearly, without jargon.
CCTB 01.13 vs BBW 2025: reading a measurement rule
The two official Belgian references, the measurement rule, the nature of the contract (QF/QP, FH/VH) and why it is all contractual.
Read the guide Peppol 2026B2B e-invoicing 2026: am I concerned?
Who is concerned, what Peppol changes, the deadlines and how to get compliant simply.
Read the guide PeppolWhat is Peppol? The simple guide
The network and format of electronic invoices explained without jargon — and why you don't need to be technical.
Read the guide Pas à pasHow to send a Peppol invoice (step by step)
The prerequisites, the steps one by one, the mandatory details and the mistakes to avoid.
Read the guide FormatsUBL, XML, PDF: what is the difference?
Why a PDF is no longer enough in B2B, what UBL is and its link with Peppol — without jargon.
Read the guide TVAVAT 6% or 21% on renovation: the clear guide
The conditions of the reduced rate, the 21% cases, the client attestation and the mistakes to avoid.
Read the guide TVAThe VAT exemption scheme for the self-employed
The €25,000 threshold, pros and cons, mandatory mention, and the link with Peppol 2026.
Read the guide TVAVAT reverse charge in construction
Who is concerned, when it applies, the mandatory mention and the common mistakes.
Read the guide MétréHow to do a take-off per m² (method + example)
The method in 5 steps, the units, an example and the pitfalls to avoid.
Read the guide DevisA compliant construction quote: the template and details
The essential mentions, the standard structure, validity and the costly mistakes.
Read the guide ChiffrageCost, margin, coefficient: pricing right
Cost, overheads and selling coefficient, with a worked example to protect your margin.
Read the guide MétréThe CCTB explained simply
What the standard building specification is for, how it is structured and whether it is mandatory.
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