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Cesspit and septic tank emptying

We offer a friendly, local and affordable cesspit and septic tank emptying service. Thousands of householders across the country trust us to keep their septic tanks and cesspits in perfect working order. Regularly emptying your septic tank or cesspit helps to avoid the risk of overflow, blockage and costly damage to your sewage system and the environment. At CSG, we go the extra mile to help you with this.

The frequency with which you’ll need to empty your septic tank or cesspit depends on the size and type of your tank and the number of occupants living at your property. As a guide, we recommend that you arrange to empty your tank at least every six to twelve months.

Sewage treatment plant cleaning and emptying

Many off-mains properties use a sewage treatment plant, which are the environmentally preferred off-mains drainage solution. Like a septic tank or cesspit, your sewage treatment plant needs regular attention. A build-up of sludge will occur over time, which you should arrange to clear every six to twelve months to maintain effective performance. Your sewage treatment plant contains mechanical and electronic components, so it will need regular maintenance.

Use our unique ‘Instant Quote’ form to find out straight away how much it will cost to have your sewage treatment plant, cesspit or septic tank emptied with us! If you are happy with your quote, you can proceed to book and pay online. You can use the system on any day, at any time.

Instant Quote

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Why CSG?

  • We operate a large fleet of tankers, with a range of different tank sizes; this means we can efficiently and safely access your property, even if it’s in the most distant or rural location.
  • Our experienced and friendly drivers take pride in completing the job safely and without disruption to your property and surroundings; sewage systems can often be located in the gardens of our customers so we recognise that extra care is needed.
  • Once we’ve emptied your sewage system, we transport the effluent safely to a licenced treatment facility; our team of sewage experts are always working on ethical and innovative sewage treatment solutions which keep the environment in mind.

You can get scheduled, discounted sewage collections when you join our Regular Service Scheme

Call us on 0800 011 6600

Find out more

Want to know how your sewage system works?


Many thanks Jayne for organising a good clean job. Please thank the driver for me, no mess, no noise and on time.

Mr Alty, Botley