© 2025 - Ronald Wilksen GmbH & 21HAVN.
As an experienced carpentry firm, we offer you a comprehensive range of carpentry, timber construction and renovation services - all from a single source. Whether new build, renovation or small-scale work - we deliver customised solutions and genuine craftsmanship that impresses.
Get an overview of our services:
From roof trusses to complete timber constructions - precise, durable and aesthetic.
No stress, no worries - we take care of all trades until the keys are handed over.
Façades, roof and energy renovation - for more living comfort and energy efficiency.
Whether front door, window or skylight - as a certified Velux partner, we ensure optimum lighting conditions and perfect protection.
Customised wood solutions for a cosy and harmonious home.
Reliable, fast and careful - even for small repairs.
Close, trusting cooperation is the key to a successful construction project. With us, you always know what will happen next - from the first contact to the final result. Transparent agreements, precise scheduling and clean implementation are a matter of course for us.
non-binding - personal
Contact us:
You tell us what you want - by phone, e-mail or in a personal meeting. Together we will find out how we can best realise your project.
Project agreement & scheduling:
We discuss all the details in a detailed consultation: What services are required? Which materials are best suited? What does the schedule look like? We create a transparent offer and a clear project plan for you.
Realisation:
Let's get to work! Our experienced team ensures that everything runs smoothly - from the timber construction and refurbishment to the smallest repairs. We keep you up to date at all times.
The result:
The end result is impressive: durable, high-quality and completely customised to your wishes. Your project is complete - and you can enjoy your new home or your renovation work to the full.
Close, trusting cooperation is the key to a successful construction project. With us, you always know what will happen next - from the first contact to the final result. Transparent agreements, precise scheduling and clean implementation are a matter of course for us.
Our recipe for success: Committed specialists, high-quality work and close cooperation with our customers.
Our work is carried out exclusively by trained specialists who are committed to your project with dedication and expertise.
Over a century of craftsmanship and more than 100 realised single and multi-family homes speak for themselves.
We support you from the initial idea to the finished result - reliably, on time and on site.
As a company with local roots, we are always close to our customers.
© 2025 - Ronald Wilksen GmbH & 21HAVN.
