CertifySpace.com

Cold water tank clean

  • Fixed price
  • Recurring
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The short answer

Clean and disinfect storage tanks

Price from
£300.00
Time on site
2 to 4 hours

What you get

Your cold water storage tank will be thoroughly cleaned, disinfected, and refilled, with a certificate of completion provided.

  • Typical cost: £300 to £1,000
  • Price depends on tank size and access
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When do you need a Cold water tank clean?

You must check your tank regularly to ensure the water stays fresh. Consider booking a professional clean if:

  • You see dirt, sludge, or slime inside the tank.
  • The property has been empty for over a month.
  • The water smells strange or looks cloudy.
  • You have just finished major plumbing work.
  • The law requires landlords to manage water safety.
  • Business premises usually need a yearly inspection.

What happens on the day

A specialist will arrive to make your water system safe and clean. They will follow these steps:

  • Turn off the water and drain the tank.
  • Vacuum out any sludge or grit from the bottom.
  • Scrub the walls to remove slime and scale.
  • Add a strong disinfectant to kill all bacteria.
  • Flush the system thoroughly with fresh water.
  • Test the water to ensure it is safe to use.
  • The job usually takes two to four hours.

How to prepare

  • Clear space around the tank loft hatch
  • Warn everyone that water will be off
  • Fill some kettles or bottles for drinking
  • Check that your stopcock works easily
  • Move items stored directly under the tank
  • Ensure the specialist has easy attic access
  • Confirm where the outside drain point is

How to improve your result

  • Fit a tight lid to stop dust
  • Add insulation to keep water temperature right
  • Check the tank for light leaks annually
  • Replace old rusty metal tanks with plastic
  • Ensure the overflow pipe has a screen
  • Keep the area around the tank clean

Why it is useful day to day

A clean tank gives you peace of mind about your health. It prevents nasty germs from growing in your home.

  • Protects your family from water-borne illnesses.
  • Stops sediment from blocking your pipes and taps.
  • Helps your boiler and showers last longer.
  • Keeps your drinking and bathing water fresh.
  • Ensures landlords stay on the right side of the law.

Why we ask these questions

The professional will check for harmful bacteria that could make you ill. They provide a certificate of chlorination once the work is done.

  • Ask if the disinfection covers all your taps.
  • Check if they include a Legionella risk assessment.
  • Ensure the cleaners use approved safe chemicals.
  • Ask how long you must wait to drink the water.
  • Confirm the tank lid is fitted tightly afterwards.

Frequently asked questions

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Cold water tank clean near you