--- title: "Frozen Pipe Thawing | Northstar Plumbing" description: "Safe frozen pipe thawing to restore flow, with checks for splits and leaks. Isolation, repair where needed, then testing for peace of mind." canonical: "https://www.northstarplumbing.co.uk/services/frozen-pipe-thawing" --- ![Technician in blue hard hat uses adjustable wrench on red and blue insulated pipes beside orange expansion tank](/_next/image?url=%2Fapi%2Fmedia%2Ffile%2Ftechnician-adjusting-pipes-wrench.jpg%3Fv%3D1768575117372&w=1536&q=75&dpl=dpl_DEc4fGhEc1SCRZZutzoEsRuDy1CJ) General Plumbing Repairs # Frozen Pipe Thawing [Contact Us](https://www.northstarplumbing.co.uk/redirect) Frozen pipes can stop water flow and, as they thaw, can split and leak. Frozen pipe thawing is a reactive plumbing service that safely restores supply, checks for damage, and leaves your pipework working properly again. ## What frozen pipe thawing covers This service is designed to get water running again without causing further damage, and to confirm everything is watertight before we leave. - Locate the frozen section and assess the risk of a split or leak - Isolate the water supply where required to prevent flooding - Thaw internal pipework using controlled, safe methods - Check joints, fittings and valves for cracks or movement - Repair or replace any failed sections or components - Restore supply and test for leaks and correct operation ### When this service is most useful Frozen pipe thawing is typically needed when you have no water from cold taps, toilets that will not fill, or a sudden loss of pressure during cold weather. It is also important if water returns and you notice damp patches, staining, or dripping, as splits often show up during thawing. Landlords and small premises often book this service to minimise disruption and prevent hidden water damage. ### What happens during the visit We start by identifying the likely freeze point and checking stopcocks, pipe routes, and any exposed sections. Where needed, the water supply is isolated and the area is protected, then the pipe is thawed gradually to reduce stress on fittings and minimise the chance of a burst. Once flow returns, we inspect for leaks and carry out repairs before re-pressurising and testing. ### After thawing: checks and prevention After testing, you will be advised on practical steps to reduce repeat issues, such as improving insulation on vulnerable pipe runs and keeping background heat on in cold snaps. If any pipework is already weakened, we will explain the options for replacement so you can avoid a further failure later. Where appropriate, we can also check nearby valves and fittings for early signs of seepage. [Contact Us](https://www.northstarplumbing.co.uk/redirect) ## Frequently Asked Questions Is it safe to thaw a frozen pipe yourself? Avoid open flames and uncontrolled heat, as they can damage pipework and surrounding materials. A plumber can thaw the pipe safely and check for splits that may only show once water starts flowing again. How do you find where the pipe is frozen? We use symptoms like which outlets are affected, along with the pipe route and exposed sections, to narrow it down quickly. We then confirm the likely freeze point before thawing to avoid unnecessary disturbance. What if the pipe has already burst? We will isolate the supply to stop further water loss, then repair or replace the damaged section. After that, we restore pressure and test to confirm the system is watertight. How long does frozen pipe thawing take? It depends on access, how long the pipe run is, and how severely it is frozen. The aim is to thaw gradually, then allow time for leak checks and testing before the water is left back on. Will you check for leaks after thawing? Yes, leak checking is part of the service, as splits often show up as the ice melts. We inspect joints and fittings, then test operation and pressure where appropriate before leaving. [Contact Us](https://www.northstarplumbing.co.uk/redirect) ## Related Services Complete your experience with these services - Water Supply Fault Investigation [View](/services/water-supply-fault-investigation) - Water Efficiency Repairs [View](/services/water-efficiency-repairs) - Valve Replacement (Local) [View](/services/valve-replacement-local) - Toilet Repair [View](/services/toilet-repair) Show more services - Tap Repair [View](/services/tap-repair) - Stopcock Repair [View](/services/stopcock-repair) - Sink Leak Repair [View](/services/sink-leak-repair) - Shower Repair [View](/services/shower-repair) - Sealant Repair (Sanitary) [View](/services/sealant-repair-sanitary) - Running Toilet Investigation [View](/services/running-toilet-investigation) - Radiator Leak Repair [View](/services/radiator-leak-repair) - Radiator Bleeding [View](/services/radiator-bleeding) - Pipe Leak Repair [View](/services/pipe-leak-repair) - Overflow Repair [View](/services/overflow-repair) - Noisy Pipework Investigation [View](/services/noisy-pipework-investigation) - Minor Plumbing Fault Diagnosis [View](/services/minor-plumbing-fault-diagnosis) - Minor Pipework Alteration [View](/services/minor-pipework-alteration) - Low Water Pressure Investigation [View](/services/low-water-pressure-investigation) - Loose Fixture Securing [View](/services/loose-fixture-securing) - Leak Repair (Internal) [View](/services/leak-repair-internal)