Knowledge
German rules, explained in practice
Short explanations of topics that come up on the construction site every day: invoices, contracts, additional services, documentation and data.
Articles
All posts
What is an Abschlagsrechnung under VOB/B?
What an Abschlagsrechnung (interim invoice) is, when you can issue one under VOB/B and what the document must contain.
What to do if the client doesn't pay?
The client has not paid the invoice: which steps the contract and VOB/B provide for and where to start.
What must a Bautagesbericht contain?
What to record in the Bautagesbericht (daily site report) so that it helps in disputes and with Nachträge.
How does a Nachtrag work in a construction contract?
When a Nachtrag arises, what belongs in the justification and how to avoid disputes.
VOB/B explained simply
What the VOB/B is, when it applies and how it differs from an ordinary BGB contract.
Difference between offer, order and invoice
How offer, order and invoice differ and why they must not be confused.
What are the duties of a site manager (Bauleiter)?
The site manager's main duties: monitoring schedules, quality, documentation and decisions.
How do you document additional construction services?
How to record additional services so that they get paid.
WoFlV and living-space calculation
How living space is calculated under the WoFlV and where deviations most often occur.
GDPR/DSGVO when using AI in a construction company
What to observe under the GDPR/DSGVO when a construction company uses AI for documents and correspondence.
Show us a task – and we'll show you how BauWalker can work with it.
BauWalker helps you understand the situation faster, but does not replace a lawyer, Steuerberater or other qualified professional.