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Completehg

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Boiler installation and plumbing services

What Completehg does

Complete Heating & Gas is a team of engineers that installs boilers and provides gas, central heating and plumbing services. The company says it installs at least 100 boilers each year and is an accredited Worcester Bosch installer, offering up to a 10 year warranty on boilers and a 1 year workmanship warranty. Listed services include heating services, plumbing services and gas safety. The website says the company works across Surrey and south London and offers 0% boiler finance, a fixed price guarantee and instant online boiler quotes.

Summarised from the business's own website, checked October 2026. Not written or endorsed by the business.

About

Boiler Installation experts

Hiring for home improvement work

Most home improvement disputes come from a vague quote. Get the scope, materials and timeline in writing before any work or deposit.

What to check

  • Licensing and insurance for the type of work
  • Photos or addresses of recent similar jobs
  • A written, itemised quote rather than a single figure
  • Who handles permits and waste removal

Questions to ask

  • What could make the price go up once you start?
  • How much deposit do you need, and when is the rest due?
  • What guarantee do you give on the work?

Customer reviews

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