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Commercial oil flue cleaning

Oil boiler flues on commercial sites, cleaned, inspected and written up to the same standard as our biomass work.

One contractor for every flue

A lot of biomass sites keep an oil boiler as back-up or for peak demand, and the oil flue tends to get forgotten because it runs less. We clean both in the same visit, so there’s one booking, one shutdown and one set of paperwork.

We also look after oil-fired plant on sites with no biomass at all.

What you get

  • The full flue run cleaned and checked for obstructions
  • An internal inspection with photographs
  • A condition score using the same five-part scoring as our biomass reports
  • A certificate for each boiler
  • RAMS and insurance certificates on request
Commercial boiler flue on a plant room roof
Commercial plant — flues cleaned and inspected

Every visit is written up

Each flue gets a condition score out of 100 across five areas — soot, obstruction, liner, structural integrity and defects — with photographs from inside the flue. Each boiler gets its own certificate, and a sticker on the boiler shows when it was last cleaned and when it’s next due.

Because the scoring is the same every visit, you can see a flue getting worse over a year or two and plan the repair, rather than finding out when it fails.

See an example report — it’s for a made-up site, so you can see exactly what you’d get without anyone else’s details on show.

Deposits inside a biomass flue recorded during inspection
Photographed inside the flue on every visit
What’s not included. We clean flues and check them for obstructions. We don’t service boilers and we don’t clean particulate filters or burners — we work alongside whoever does. Where a flue needs a MEWP or scaffold to reach, we’ll tell you at the survey and price the access separately.

See also: biomass boiler flue cleaning · commercial biomass overview

Common questions

Things people ask us

Can you clean the oil and biomass flues in one visit?

Yes. That’s the usual arrangement on mixed sites: one shutdown, one visit, one set of reports.

Do you service oil burners?

No. We clean and inspect flues only. Burner servicing stays with your heating engineer.

How is it priced?

Quoted per site after a survey, based on the flue, the access and how it fits with any other work on site.

Site survey

Request a site survey

Tell us what you’re running and roughly where. We’ll come and look before quoting anything.

We only need the first half of the site postcode at this stage. Nothing you send here is shared or published.

Rather talk it through? Call 07440 173696 or WhatsApp us.

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Thank you

We’ve got your details and will be in touch within one working day.

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