W. Janssen - Plumber Den Haag

Are you looking for a good plumber in The Hague? For more than 80 years in business with different types of services: leaks, boiler repairs, plumbing, roofing, gas and tank installations. Technisch Bureau W. Janssen is an all-round plumbing company known for its quality and good service. All the above work is carried out by specialized personnel. Our staff has all the knowledge and materials to deliver high-quality work.

24 hour (break down) service

Nothing is more stressful than a leak in your home or a malfunction in the central heating. Especially when this happens outside office hours. We provide (break down) services 24 hours a day, even on weekends and during holidays.

Expert advice

Get specialized advice from a group of experts with over 80 years of professional experience in this industry.

Personal, friendly and small-scale

We are a kind-hearted, family-owned company that is committed to our customers with great passion and motivation.

Quality on the first place

All activities are of course carried out on the basis of the latest requirements and the set standards.


“If your choice is quality, we are happy to help you.” According to the technical motto of W. Janssen. We always want the best for all our customers. All activities are of course carried out on the basis of the latest requirements and meet all standards.


We offer our customers a qualitative guarantee because we are affiliated with UNETO-VNI. For example, UNETO-VNI has different delivery conditions with affiliated companies when it comes to entering into agreements. This has ensured that we can guarantee our customers a guarantee on all our work and installations.

Both for businesses and for individuals

Technisch Bureau W. Janssen BV offers its services to both individuals and companies. You have come to the right place for the most diverse services. We work for you underground and above ground.

Request a Quote

A leading plumbing company that features complete services for our residential and commercial customers in The Hague. Request a free quote now or call for more information.