
We offer a full range of domestic and commercial plumbing services across London, including leaking taps, toilet repairs, bath and shower installations, appliance installations, water supply issues, and emergency plumbing repairs.
Yes. We provide emergency plumbing services in London, including urgent leaks, burst pipes, blocked toilets, and drainage issues. Our engineers aim to attend emergencies as quickly as possible.
Absolutely. We carry out kitchen and bathroom tap replacements, repairs for leaking taps, and upgrades to modern fittings.
Yes. We provide professional washing machine and dishwasher installations, ensuring correct plumbing connections and safe operation.
Yes. We repair leaking toilets, faulty flush mechanisms, and toilet cistern issues, helping to prevent water waste and further damage.
Yes. If your boiler is noisy, temperamental, or not heating efficiently, our Gas Safe registered engineers can diagnose and repair the issue. Many boiler problems can be fixed without needing a full replacement.
Not necessarily. Cold spots on radiators can indicate air, sludge buildup, or circulation problems. These issues can often be resolved with servicing, balancing, or a power flush.
Yes. We offer reliable boiler repairing services across London, covering breakdowns, faulty components, pressure issues, and heating inefficiencies.
Yes. We provide power flushing and chemical treatments to remove sludge, improve circulation, and extend the life of your boiler and radiators.
Yes. We repair leaking toilets, faulty flush mechanisms, and toilet cistern issues, helping to prevent water waste and further damage.
Yes. We specialise in new boiler installation and boiler replacement services in London, designed to suit your home size, heating needs, and budget.
You may need a new boiler if:
Your boiler frequently breaks down
Repairs are becoming costly
Your energy bills are unusually high
The boiler is over 10–15 years old
Our engineers will always advise honestly and only recommend replacement when necessary.
We install modern, energy-efficient condensing boilers from trusted UK manufacturers, in line with current building regulations.
Yes. Older boilers can operate at around 60% efficiency, while modern condensing boilers are significantly more efficient, helping to reduce energy bills and carbon emissions.
Yes. We offer a full heating system design service, taking into account your property size, number of occupants, and hot water demand.
Yes. An annual boiler service is essential for:
Safety
Efficiency
Preventing breakdowns
Maintaining your manufacturer’s warranty
Our boiler servicing includes:
Visual inspection of boiler and flue
Ventilation checks
Leak detection
Internal component checks
Performance testing
Radiator and gas supply checks
All services follow manufacturer guidelines.
Yes. Regular servicing helps detect faults early and reduces the risk of carbon monoxide leaks.
Yes. Z Mangi Gas & Plumbing Services is Gas Safe registered, ensuring all gas work is carried out safely and legally.
Yes. We safely install gas cookers and hobs in accordance with UK gas safety regulations.
Yes. We issue Landlord Gas Safety Certificates (CP12) for rental properties across London.
