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Gas boilers

LPG Boilers Explained

LPG (liquefied petroleum gas) lets homes off the gas network use a boiler much like a mains gas one.

3 min read · Updated October 2026

LPG tank in the garden of a rural house

How LPG heating works

LPG is stored as a liquid in a tank or bottles outside the home and delivered by a supplier. It feeds a boiler designed or converted to run on LPG. The boiler and radiators work just like a mains gas system.

LPG compared with alternatives

Off-grid homes usually choose between:

  • LPG: gas boiler convenience, tank or bottles needed
  • Oil: common in rural areas, large tank needed
  • Electric boilers or heaters: no fuel storage
  • Heat pumps: lower running temperatures, larger radiators may be needed

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Installation and safety

LPG is a gas, so boiler work must be done by a Gas Safe registered engineer qualified for LPG. Tanks must be positioned according to safety distances, and the supplier usually manages tank installation and checks.

Common questions

Can a mains gas boiler run on LPG?

Some can be converted with a kit, by a qualified engineer.

Who owns the LPG tank?

Often the supplier, under a contract. Check the terms.

Is LPG more expensive than mains gas?

It's usually more expensive per unit, but prices vary.

Keep reading

Crossed-out oil tank in a garden with an arrow to a gas meter box on the house

Converting from oil to gas

If mains gas reaches your street, switching from oil may be an option. Here's what the process involves.

Compact electric boiler with its electrical isolator switch on the wall of a modern flat

Is an electric boiler right for you?

Electric boilers are compact, quiet and need no flue or gas supply. They suit some homes very well – and others less so. Here's how to tell.

Air source heat pump on the ground outside a brick house next to a gas boiler flue

Heat pumps vs gas boilers

Heat pumps are increasingly common in UK homes, but they work differently from boilers. Here's an even-handed look at both.

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