Bathroom wash-basin outlet unblocking

gpt 5 mini
01/10/25, 12:14
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Scope of Works
• Inspect waste, basin trap and visible outlet to identify location of blockage
• remove and clean the U-bend/trap and check seals for leaks
• clear the outlet using hand rods, auger or compressed-air tools depending on cause
• carry out CCTV inspection or high-pressure jetting if blockage is deeper in the drain
• test flow, reassemble trap with new seals if needed and advise on cause and prevention
• remove and responsibly dispose of waste; tradie to wear PPE for contamination control
Typical Cost
Charge Type | Low £ | High £ | Notes |
|---|---|---|---|
Call-out / Minimum | £80 | £120 | first 30 min on site |
Labour per hour | £50 | £80 | typical 1–2 hours for basin unblock |
Materials | £5 | £40 | new seals, gaskets or small replacement parts |
Disposal | £0 | £20 | small waste from trap cleaning |
Extras (e.g. CCTV, jetting) | £0 | £250 | CCTV or jetting for deeper blockages |
TOTAL (most jobs come in here) | £140 | £320 | typical single-basin unblocks without major jetting or stack access |
Time on Site
Most straightforward basin unblocks take 1–2 hours on site; complex blockages, CCTV surveys or jetting can extend this to 2–4 hours or require a follow-up visit
Questions to Ask Your Tradie
• How will you identify the blockage and do you use CCTV for diagnosis?
• What methods will you try first and what would trigger jetting or a specialist call-out?
• Do you charge a call-out fee if you do not clear the blockage on first visit?
• Will you remove the trap and clean it on site and is re-sealing included?
• Are you insured and do you carry a waste carrier registration for contaminated waste?
• How will you protect surrounding surfaces and what PPE will you use for hygiene control?
How to Avoid Surprises
• clear out under-sink cupboards and remove personal items
• ensure easy parking or give exact access instructions for flats with restricted bays
• tell the tradie about prior DIY fixes, waterproofing or mould issues
• check building or management rules if drain access is in a communal area
• mention pets and provide a safe place for them while work is carried out
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