Janssen en Janssen Tremelo
Schrieksebaan 69, 3120, Leuven
What their website offers
Checked on 5 September 2026. Each of these is something a visitor can either do on the site or cannot.
Can a homeowner get an estimate without ringing up?
Is there anything addressed to someone thinking of selling?
Can you browse their listings on their own site?
Are asking prices published on the site?
Can you arrange a viewing from the site?
Is the energy rating published, as advertising rules require?
Can you walk a property without visiting?
Can you work out what it would cost to borrow?
Can you be told when something new is listed?
Is there a chat widget on the page?
Is there any way to enquire in writing?
For context, of the 514 estate agency websites we have checked in Belgium, 38% offer an online valuation, 85% list properties on their own site and 12% publish an energy label. Compare the market →
Tools running on their site
Detected in the page source on 5 September 2026. Each one is named because its own code identifies it.
Advertising
Analytics
Tag management
Consent management
Where it is
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