Which do you need in Hong Kong? Scope, pricing and licensing explained
Many Hong Kong homeowners aren't sure whether to call a drain unblocking specialist or a licensed plumber when something goes wrong. The answer depends on what the actual problem is — and calling the wrong one can cost you more.
Drain unblocking specialists focus on clearing blocked drains — nothing else. Their scope includes:
Tools used: plunger, electric snake/auger, high-pressure water jetting, manual reaming. No pipe installation, no welding, no fixture replacement.
A licensed plumber in Hong Kong handles work that requires a plumbing licence under the Water Supplies Department regulations:
| Service | Drain Specialist | Licensed Plumber |
|---|---|---|
| Toilet unblock | From HKD 800 | HKD 1,000+ (overkill) |
| Kitchen drain clear | From HKD 800 | HKD 1,000+ (overkill) |
| High-pressure jetting | HKD 2,300-2,800 | May not offer this |
| Grease trap cleaning | HKD 800-1,500 | May not offer this |
| Pipe leak repair | Not in scope — will refer | Quoted per job |
| Burst pipe replacement | Not in scope — will refer | Quoted per job |
| Water heater install | Not in scope | Quoted per job |
| New toilet install | Not in scope | Quoted per job |
Drain unblocking doesn't require a plumber's licence. The narrower scope means:
For a blocked drain, calling a licensed plumber is like calling a surgeon to remove a splinter — they can do it, but you'll pay more than necessary.
| Your Problem | Call |
|---|---|
| Toilet won't flush / drains slowly | Drain specialist |
| Kitchen sink backed up | Drain specialist |
| Bathroom shower drain clogged | Drain specialist |
| Outdoor drain blocked after rain | Drain specialist |
| Restaurant grease trap full | Drain specialist |
| AC dripping water | Drain specialist |
| Pipe under sink is leaking water | Licensed plumber |
| Burst pipe / water flooding | Licensed plumber (emergency) |
| Need new toilet installed | Licensed plumber |
| Water heater not working | Licensed plumber |
| Need to replace corroded pipe section | Licensed plumber |
In Hong Kong, the Water Supplies Department issues plumber licences under the Plumbing and Drainage Workers Registration. Drain unblocking — clearing existing pipes with snakes, jetters and manual tools — does not require this licence. However, any work involving installation, modification or replacement of water supply pipes or drainage fittings must be done by a registered plumber.
This is why DrainFix HK can legally and safely handle drain unblocking at lower cost — and why we'll always tell you when you need a licensed plumber instead.
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