24/7 help from South London engineers
Gas Safe registered for gas work
12-month workmanship guarantee
Homes, landlords, and commercial properties
What counts as a plumbing emergency?
At Happy Dog Plumbing & Heating, we provide reliable emergency plumbing services, available 24/7 to tackle urgent issues as they arise.
Our local emergency plumbers are always on standby to deliver fast, dependable solutions when you need them most.
Dealing with any of these now?
- Burst pipe: We’ll help you isolate the water and stop the leak before the damage spreads.
- Flooding or major water leak: We trace the source, contain the issue, and carry out the urgent repair.
- Boiler breakdown: No heating or hot water? Our Gas Safe engineers handle emergency boiler repair where gas work is required.
- Blocked drain causing overflow: We respond quickly when there are blocked drainage issues or wastewater backs up into the property.
- No hot water in winter: We prioritise heating and hot water issues that affect safety, comfort, or vulnerable people.
- Overflowing toilet: We clear the blockage or repair the fault so the bathroom can be used safely again.
- Frozen or split pipes: We thaw, repair and advise on lagging to reduce repeat problems.
- Gas smell or suspected gas leak: Call the National Gas Emergency Service on 0800 111 999 first. Once safe, call us for follow-up repair advice.

To ensure lasting solutions and peace of mind, we also conduct thorough plumbing risk assessments, helping prevent future problems before they escalate.
Call an emergency plumber near you
For fast and reliable emergency plumbing assistance, call us on 0208 8797372 now.
Alternatively, for enquiries that don’t require immediate attention, you can email hello@happydogplumbing.london or send us a message via our contact form.
Why South London calls us in a plumbing emergency
- Local South London team based in SW17 and working across the surrounding areas.
- 24/7 availability for urgent plumbing and heating problems.
- Gas Safe engineers for boiler and gas-related work.
- 50+ years’ combined experience across plumbing and heating.
- 12-month workmanship guarantee for added peace of mind.
- Support for homes and commercial properties, including landlords and property managers.
- Clear pricing before work starts, with no pressure and no vague surprises.
Proud partners of Maintracts Services for faster support
We’ve partnered with Maintracts Services to enhance our ability to deliver fast, reliable plumbing solutions. Our united team, driven by shared values, ensures you receive expert plumbing services with prompt, professional responses every time.
24/7 emergency plumbing assistance across South London
We help customers across South London, including Tooting, Wandsworth, Balham, Clapham, Brixton, Battersea, Streatham, Putney, Wimbledon, Merton and Morden.
We’re skilled at quickly diagnosing and resolving problems, minimising disruption for homeowners.
Our strong connections with suppliers ensure fast access to parts, and we regularly collaborate with landlords and property managers to deliver the reliable plumbing support they need.
Frequently asked questions
Call 0208 8797372 and we’ll confirm the fastest available engineer and ETA while you’re on the phone.
We do not charge a separate call-out fee. We explain the likely cost before work starts, so you can make a clear decision.
If water is leaking, turn off your stopcock if you can do so safely. Move valuables away from the leak, put towels or buckets down, and avoid using nearby electrical switches. Take photos for insurance if there is any damage. Then call an engineer for help.
The cost depends on the time, fault, parts needed and how complex the repair is. Talk to us and we’ll explain the likely cost before work starts.
Yes, emergency help is available day and night, including weekends and bank holidays. Call us and we’ll confirm availability for your postcode.
Call the National Gas Emergency Service on 0800 111 999 first. Do not smoke, light matches, or use electrical switches. Open doors and windows if safe. Once the property has been made safe, call our team for Gas Safe registered assistance.
Need an emergency plumber in South London right now?
Contact a qualified emergency plumber in London today, call 0208 8797372. You’ll connect directly with an experienced professional ready to provide expert advice and tailored solutions.






