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Best for older systems

Regular (Conventional) Boilers

Uses both a cylinder and a loft tank — common in older homes

Loft tank
Cold water storage required
Cylinder
Hot water storage required
Low pressure OK
Works well with weaker mains pressure

Pros

  • Well suited to homes with low mains water pressure
  • Straightforward like-for-like replacement in older properties

Cons

  • Needs both a loft tank and a cylinder, taking up more space than a combi

About Regular (Conventional) Boilers

A regular (also called conventional or heat-only) boiler works with both a hot water cylinder and a cold water tank, usually in the loft. It’s often the most straightforward like-for-like replacement in older homes that already have this setup, and can suit homes with lower mains water pressure.

How this works

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Frequently asked questions

Can I switch from a regular boiler to a combi?

Often yes, but it depends on your mains water pressure and pipework — a proper site survey from a Gas Safe registered installer is the only reliable way to know before committing.

Are you a boiler installer yourselves?

No — Best Boiler Deals is an independent comparison and information service. We recommend always checking an installer’s Gas Safe Register ID directly before any gas work begins.

Is all the pricing on this site guaranteed?

No — costs mentioned are typical ranges reported by trade sources, not fixed quotes. Always get itemised quotes from more than one Gas Safe registered installer before committing.

What happens after I request a quote?

A partner installer reviews your details and gets in touch to arrange a proper site survey — there’s no obligation to proceed with any quote.

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Overview above is honest general guidance, not a guaranteed quote. Installer-partner matching pending real network connection.