Plumber in Caloundra, Sunshine Coast Coverage
Big Blue Plumbing services Caloundra as part of our Sunshine Coast, Noosa, and Moreton Bay coverage. We handle blocked drains, hot water service repairs, gas fitting, leaks, and emergency plumbing across residential, commercial, and strata properties. Work is priced by the job once scope is agreed onsite, and immediate dispatch is available for urgent bookings. We're licensed, insured (public liability and workers compensation), and backed by 40+ years of combined plumbing experience.
Caloundra properties vary by age and location. Homes built in the 1970s and 80s around Golden Beach and Pelican Waters often have older copper and galvanised pipe systems, while newer estates near Aura and Battery Hill typically use modern PVC. That affects how faults present and what the fix involves. On the first visit, we confirm the affected area, identify the restriction or fault, and explain what's needed before any work proceeds.
What We Handle in Caloundra
Common calls from Caloundra properties include blocked drains (often linked to root intrusion in older streets with established trees), hot water supply system faults (particularly electric storage units that fail during peak summer demand), gas appliance connections, and leaking taps or toilets. We also handle backflow testing for commercial sites, CCTV drain inspections, and plumbing for kitchen or bathroom renovations.
Each job starts with an assessment. We explain what's causing the issue, what options exist, and provide a fixed-price quote before starting. If the scope changes once we're onsite (for example, a blockage inspection reveals pipe damage), we explain the new situation and confirm the updated quote before proceeding. You decide once you know what's involved.
Our work covers:
- Emergency plumbing: burst pipes, active leaks, gas leaks, sewage overflows
- Drainage: blockages in toilets, sinks, showers, stormwater, and external lines
- Hot water: repairs, replacements, and installations (electric, gas, heat pump, solar)
- Gas fitting: leak repairs, appliance connections, compliance testing
- General plumbing: tap replacements, toilet repairs, pipe repairs, water filter installations
- Maintenance: CCTV inspections, safety checks, backflow testing, TMV testing
- Renovations: bathroom, kitchen, and laundry plumbing for new builds or upgrades
How Blocked Drains Are Cleared
When a drain blocks in Caloundra, the usual process is to locate the restriction, clear it using hydro jetting or mechanical tools, then verify flow is restored. If the blockage is caused by root intrusion or collapsed pipe sections, a CCTV camera inspection identifies the exact location and depth, so the repair can be scoped accurately.
On site, we often see recurring blockages in properties with large figs or eucalypts near the sewer line. Roots seek moisture and enter through microscopic cracks in clay or concrete pipes. Over time, debris catches on the roots and builds up. Clearing the blockage restores flow, but if the pipe structure is compromised, relining or replacement may be recommended to prevent it happening again.
Where access is limited (under driveways, established gardens, or tiled areas), trenchless pipe lining can be an option. A resin-saturated liner is inserted into the damaged pipe and cured in place, creating a new pipe inside the old one without excavation. We explain the options once the inspection confirms what's needed, and you can decide based on the fixed quote provided.
Hot Water System Repairs and Replacements
If your hot water has stopped working or the system is leaking, the starting point is to isolate the unit and confirm what's failed. Common faults include failed heating elements in electric storage systems, faulty thermostats, corroded tanks (often signalled by rusty water first thing in the morning), and pressure relief valve leaks.
Electric storage systems are common in Caloundra homes, particularly in properties built before continuous-flow gas became standard. These units heat water overnight on off-peak tariffs, but the tanks eventually corrode from the inside as the sacrificial anode depletes. A pattern we've noticed is that failures spike during summer when demand increases and marginal systems finally give out.
We assess whether repair is viable or replacement makes more sense. If replacement is needed, we explain the options (electric storage, instantaneous gas, heat pump, solar) and what each involves in terms of upfront cost, running cost, and installation requirements. Installation includes pressure relief and tempering valves as required under Australian Standards, and we test the system before leaving to confirm safe operation and correct temperature at the taps.
Gas Fitting and Safety Compliance
All gas work in Caloundra must be performed by a properly licensed gas fitter and comply with AS/NZS 5601.1 safety standards. That includes new appliance connections, gas leak repairs, and compliance testing after any work is completed. If you can smell gas (the added "rotten egg" odour), treat it as urgent. Isolate the gas supply at the meter if safe to do so, ventilate the area, and avoid ignition sources while a licensed gas fitter is on the way.
Gas leak detection involves specialized equipment to identify leaks behind walls, under floors, or in sub-floor spaces. Once the fault is located and repaired, a pressure loss test confirms the system is gas-tight before it's recommissioned. A compliance certificate is issued on completion where required, verifying the work meets safety requirements.
For new gas cooktop or hot water installations, we confirm the gas supply is adequate for the appliance load, install the connection to code, and test for leaks before handover. The process includes explaining what's been done and confirming the appliance operates safely.
Emergency Plumbing, What Happens Next
When an urgent plumbing fault occurs (ruptured pipe, active gas leak, sewage overflow, or major water leak), the priority is making it safe and limiting property damage while a licensed and insured plumbing technician is dispatched. For 24/7 emergency plumbing, immediate dispatch means the booking is prioritised and the nearest available technician is allocated from our local service coverage.
At first check, we isolate the water or gas supply if needed, assess the fault, and stabilise the situation. If the repair can be completed onsite with available parts and access, we provide a fixed quote and proceed once it's confirmed. If the job requires parts, specialist equipment, or additional access (for example, cutting into a concealed pipe run), we explain what's involved and arrange the follow-up once scope and pricing are agreed.
Arrival timing depends on current bookings and traffic conditions. Where possible, an ETA is provided when the booking is made, and updates are given if timing changes. For properties with restricted parking (common in older Caloundra streets near the waterfront), access constraints are noted at booking so the right vehicle and equipment can be allocated.




