W. Janssen B.V.
Plumber · Den Haag
4.276 reviews · GoogleW. Janssen B.V. in Den Haag is listed under Plumber. The listing shows 8 services. On Google it has 4.2 out of 5 from 76 reviews. The business comes to you.
About W. Janssen B.V.
W. Janssen BV is a plumbing and tank installation company in Den Haag. The company works on sanitary installations, central heating, roofing and technical installations for homes and business premises.
Services
The company provides installation, repair, renovation and replacement of technical installations. It also helps with renovations of homes and business premises.
- Central heating
- Roofing work
- Gas installations
- Leak detection
- Plumbing work
- Sewerage
- Tank installations
- Sanitary installation work
About the company
W. Janssen is a family business with nearly 90 years of experience in the industry. It operates on a small scale and says it considers personal attention for customers important.
Certifications and trade associations
The company lists various certifications and is affiliated with Techniek Nederland and Metaalunie.
- ISO 9001:2015
- VCA**2017/6.0
- BRL-SIKB 7800
- BRL-k902/04
- BRL-k25000
- AS SIKB 6800
- Assessment of the design of a non-standard tank installation (PRI&E)
- NEN 3140
- Techniek Nederland
- Metaalunie
Practical information
The business is located on Columbusstraat in Den Haag. You can get in touch or make an appointment via the form; the company can be reached on working days from 8.00 to 17.00.
Services and prices
- Central heating
- Roofing work
- Gas installations
- Leak detection
- Plumbing work
- Sewerage
- Tank installation
- Sanitary installation work
At a glance
| Listed under | Plumber, Boiler and heating, Roofer |
|---|---|
| Location | 2561 AG Den Haag |
| Number of services | 8 |
| Google rating | 4.2 out of 5 (76 reviews) |
| Weekend | Closed at the weekend |
| Phone | 070 346 1280 |
| Website | wjanssen.nl |
| Last updated | October 2026 |
Ratings
- 4.2Google76 reviews
Ratings belong to the platforms named. Read the reviews there.
Frequently asked questions
What does W. Janssen B.V. offer?
W. Janssen B.V. lists 8 services, including Central heating, Roofing work, Gas installations, Leak detection and Plumbing work.
Where is W. Janssen B.V.?
W. Janssen B.V. comes to you, in and around Den Haag.
When is W. Janssen B.V. open?
Monday 08:00–17:00, Tuesday 08:00–17:00, Wednesday 08:00–17:00, Thursday 08:00–17:00, Friday 08:00–17:00. Check with the business before you go.
How do I book with W. Janssen B.V.?
Call 070 346 1280. Or contact the business through its website.
How is W. Janssen B.V. rated?
On Google, W. Janssen B.V. has 4.2 out of 5 from 76 reviews.
This listing is based on public information, such as the business's own website. It can contain mistakes.
Contact
2561 AG Den Haag
W. Janssen B.V. does not manage this listing yet. Contact the business directly.
Opening hours
| Monday | 08:00–17:00 |
|---|---|
| Tuesday | 08:00–17:00 |
| Wednesday | 08:00–17:00 |
| Thursday | 08:00–17:00 |
| Friday | 08:00–17:00 |
| Saturday | Closed |
| Sunday | Closed |
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