Full central heating system installations, upgrades and modifications across London. New systems, conversions, extensions and heat pump ready installations.
Whether you're installing central heating in a property for the first time, converting an older gravity-fed system to a modern pressurised setup, extending your existing system to cover a new room or extension, or upgrading radiators and controls — DGN GAS designs and installs central heating systems across London.
Installing central heating in a property that has none. We design the system, supply all components and install everything from boiler to radiators to controls.
Converting an older gravity-fed or back boiler system to a modern sealed pressurised system. A significant efficiency and reliability upgrade.
Adding radiators or heating to new rooms, extensions or loft conversions. We extend the existing system and balance the new radiators.
Designing and installing central heating systems ready for heat pump integration — correctly sized radiators and pipework for lower flow temperatures.
Upgrading to smart thermostats and zone controls — Nest, Hive and Honeywell installed. Precise control and reduced energy waste.
Balancing an existing system so every radiator heats evenly and the boiler operates at peak efficiency.
We survey your property, assess heat loss in each room and design a system that correctly heats every space — including radiator sizing and pipe routes.
Detailed quote covering all materials and labour. We coordinate with your other trades if part of a renovation project.
Pipework, radiators, boiler and controls installed to Gas Safe standards. We work cleanly and tidily throughout.
The system is filled, pressurised and treated with corrosion inhibitor to protect it from day one.
Every radiator balanced for even heat distribution, full testing completed and Gas Safe certification issued.
Free, no-obligation quote
"Have used DGN GAS a few times now. They installed a boiler at my parent's house and I had a boiler and underfloor heating installed at my house. Very happy with everything."
"I have had a heating system including a Vaillant boiler, Megaflo and underfloor heating installed by DGN GAS. A very professional service and am extremely happy."
Call us to discuss your requirements — new system, conversion or extension. London-wide coverage.
07813 474638