DaveKnows
Handy guidance. Real engineers when you need them.
DaveKnows helps with plumbing, heating and drainage questions — tips you can try safely, or a route to book a PHD24 engineer across East & West Sussex.
Get the app
The DaveKnows app stays separate from this website. Download it for the full experience — or call PHD24 for emergencies.
What DaveKnows does
Diagnose common issues
Get plain-English guidance on leaks, blockages, heating faults and more — before you pick up the phone.
Know when to call
Clear signals for DIY-safe steps versus situations that need a Gas Safe engineer on site.
Book PHD24 when ready
When you need someone at the door, DaveKnows connects you to PHD24 engineers across East & West Sussex.
Urgent? Call first
Bursts, major leaks, no water or no heat are emergencies. Don’t wait on an app — call 0800 208 4999 any time.
DaveKnows is for guidance and booking when the situation allows.
Get DaveKnows today
Available on the App Store and Google Play.