Power Flushing From £150

Power flushing is a cleaning process which aims to remove deposits of sludge, rust and any other debris from your central heating system.

These contaminants, if left unattended to, can seriously affect the efficiency of a heating system and in severe cases a power flush is the only option available to fix the problem.

Action Services Plumbing, London Power Flushing Services do not charge for:

1hr emergency Power Flushing response – when we are available

Our travel time

Our fuel

Or congestion/ULEZ charge.

Our London Power Flushing Services are from the following rates per hour, inclusive of VAT:

£150 minimum charge on Power Flushing work, then in 15 minute units.


£65 P/H
Inclusive of VAT


£95 P/H
Inclusive of VAT


£115 P/H
Inclusive of VAT


£125 P/H
Inclusive of VAT


£160 P/H
Inclusive of VAT

Bank Holiday Weekends 7am-6pm

£125 P/H
Inclusive of VAT

Bank Holiday Weekends 6pm-12am

£135 P/H
Inclusive of VAT

Other info about power flushing

Power Flushing estimates can be provided upon request and are free for existing customers.
Power Flushing fixed Prices are inclusive of VAT and can be provided either verbally or in writing upon request before we start work.
Commercial Boiler & Gas Safety certificates are charged at our hourly Rates as listed above.
Material collection for non-stock Power Flushing items is kept to a minimum and we will not exceed 45 minutes of the current hourly rate for that trade
Power Flushing materials are charged at Trade Prices plus a 25% mark up and are inclusive of VAT.
Our Power Flushing invoices are digital (hard copy available upon request) & show a full description of work, including times & a full breakdown of materials & labour.
Our Power Flushing insurance reports are charged at a nominal £50 inclusive of VAT which is redeemable against the future work.

Power Flushing Payment Methods

Power Flushing cash payments to be made directly to the engineer

Power Flushing credit/debit cards – We do not surcharge for credit card payments

Power Flushing services payment must be made once in receipt of our invoice

Maximise Your Heating Efficiency: Expert Guide to Power Flushing

Introduction to Power Flushing
As homeowners, we all desire a warm and cosy living environment, especially during the chilly winter months. However, an inefficient central heating system can not only compromise our comfort but also lead to higher energy bills and unnecessary expenses. This is where power flushing comes into play – a revolutionary technique that can breathe new life into your central heating system, ensuring optimal performance and energy efficiency.

What is Power Flushing?

Power flushing is a comprehensive process that involves thoroughly cleaning the entire central heating system, including the boiler, radiators, and pipework. Over time, these components can accumulate sludge, debris, and other contaminants, which can significantly impair the system’s performance and efficiency. Power flushing utilizes specialized equipment to circulate a high-velocity flow of chemically treated water through the system, dislodging and removing these unwanted deposits.

Benefits of Power Flushing Your Central Heating System
  1. Improved Energy Efficiency: A clean and well-maintained central heating system operates more efficiently, translating into lower energy bills and a smaller carbon footprint.
  2. Extended System Lifespan: By removing harmful deposits, power flushing can significantly prolong the lifespan of your boiler, radiators, and pipework, saving you from costly replacements.
  3. Enhanced Heating Performance: With a clean system, your radiators will heat up more quickly and evenly, providing consistent warmth throughout your home.
  4. Reduced Maintenance Costs: Regular power flushing can prevent costly breakdowns and repairs, ensuring your system runs smoothly for years to come.
  5. Improved Indoor Air Quality: By eliminating sludge and debris, power flushing can help reduce the circulation of airborne contaminants, promoting a healthier indoor environment.
How Power Flushing Works

Power flushing is a multi-step process that requires specialized equipment and expertise. Here’s a general overview of how it works:

  1. System Preparation: The first step involves draining the central heating system and isolating the boiler and radiators.
  2. Flushing Process: A powerful pump is connected to the system, circulating a high-velocity flow of chemically treated water through the pipework, radiators, and boiler. This dislodges and removes accumulated sludge, rust, and debris.
  3. Chemical Treatment: During the flushing process, specialized chemicals may be introduced to further break down and dissolve stubborn deposits.
  4. Inspection and Adjustment: After the flushing process, the system is inspected, and any necessary adjustments or repairs are made to ensure optimal performance.
  5. System Refill and Testing: Finally, the system is refilled with fresh water and tested to ensure proper operation and efficiency.
Power Flushing Costs: What to Expect

The cost of power flushing can vary depending on several factors, such as the size of your home, the complexity of your central heating system, and the location. On average, you can expect to pay between £300 and £600 for a professional power flushing service.

Here’s a breakdown of the typical costs:

  • Labor Costs: The majority of the cost will be for the labor and expertise of the professional plumbers or heating engineers performing the service. This can range from £150 to £400, depending on the complexity of the job.
  • Chemical Treatments: Specialized chemicals used during the flushing process can add an additional £50 to £100 to the total cost.
  • Equipment Rental: If the service provider needs to rent specialized power flushing equipment, you may incur an additional fee of £50 to £150.
  • Additional Repairs: In some cases, if any issues or damages are discovered during the flushing process, you may need to factor in the cost of repairs or replacements, which can vary significantly.

It’s important to note that while power flushing may seem like an upfront investment, it can save you money in the long run by improving your system’s efficiency, reducing energy bills, and preventing costly breakdowns or replacements.

Power Flushing in London: Local Experts and Services

If you reside in London or the surrounding areas, you have access to a wide range of professional power flushing services. Here are some reputable local companies to consider:

  • Action Services Plumbing: With years of experience and a team of highly trained professionals, Action Services Plumbing offers comprehensive power flushing services throughout London and the surrounding areas.
  • London Power Flush: As the name suggests, this company specializes in power flushing central heating systems, serving residential and commercial clients across London.
  • Pimlico Plumbers: One of the most well-known plumbing companies in London, Pimlico Plumbers offers power flushing services as part of their comprehensive plumbing and heating solutions.
  • MyPlumber London: This locally owned and operated company has built a reputation for providing reliable and affordable power flushing services in London and the surrounding areas.

When choosing a local service provider, be sure to research their credentials, read customer reviews, and obtain quotes to ensure you’re getting the best value for your money.

When Should You Consider Power Flushing?

While regular maintenance is essential, there are certain signs that indicate your central heating system may benefit from a power flush:

  • Cold or Partially Heated Radiators: If some radiators remain cold or only partially heat up, it could be a sign of blockages or sludge buildup.
  • Discolored Radiator Water: If the water in your radiators appears discolored or rust-colored, it may be due to corrosion or debris in the system.
  • Frequent Boiler Breakdowns: Recurring boiler issues or frequent breakdowns could be caused by sludge buildup, restricting proper water flow and heat transfer.
  • Banging or Gurgling Noises: Strange noises coming from your radiators or pipework could indicate the presence of air pockets or blockages caused by debris.
  • Aging System: If your central heating system is more than five years old, it’s a good idea to consider power flushing as a preventative measure.
Choosing the Right Power Flushing Service

When it comes to power flushing, it’s crucial to choose a reputable and experienced service provider. Here are some factors to consider:

  1. Qualifications and Experience: Look for professionals who are Gas Safe registered and have extensive experience in power flushing central heating systems.
  2. Customer Reviews and Testimonials: Read online reviews and testimonials from previous customers to gauge the quality of service and customer satisfaction.
  3. Guarantees and Warranties: Reputable companies should offer guarantees or warranties on their workmanship and any parts used during the power flushing process.
  4. Insurance and Licensing: Ensure that the service provider carries appropriate insurance and holds the necessary licenses to operate in your area.
  5. Pricing and Transparency: Compare quotes from multiple providers and ensure that pricing is transparent, with no hidden fees or charges.
DIY vs. Professional Power Flushing: Pros and Cons

While it may be tempting to attempt a DIY power flush to save money, it’s important to weigh the pros and cons carefully:

Pros of DIY Power Flushing:

  • Cost Savings: Performing a power flush yourself can save you the labor costs associated with hiring a professional.
  • Convenience: You can schedule the task at your own convenience, without coordinating with a service provider.

Cons of DIY Power Flushing:

  • Lack of Expertise: Power flushing requires specialized knowledge and techniques to ensure the process is performed correctly and safely.
  • Equipment Costs: You may need to purchase or rent specialized power flushing equipment, which can be expensive.
  • Risk of Damage: Improper flushing techniques can potentially damage your central heating system, leading to costly repairs or replacements.
  • Incomplete Flushing: Without the proper equipment and expertise, you may not achieve a thorough flush, leaving behind residual sludge or debris.
  • Safety Concerns: Working with boilers and central heating systems can be dangerous if proper safety precautions are not followed.

While a DIY approach may seem appealing, it’s generally recommended to hire a professional power flushing service, especially if you lack the necessary expertise and equipment. Professionals have the training, tools, and experience to ensure the job is done correctly and safely, minimizing the risk of damage or incomplete flushing.

Maintenance Tips After Power Flushing

To ensure the longevity and efficiency of your central heating system after a power flush, it’s essential to follow these maintenance tips:

  1. Regular Servicing: Schedule annual servicing and maintenance checks for your boiler and central heating system to identify and address any potential issues early on.
  2. Water Treatment: Consider installing a water treatment system or adding chemical inhibitors to the system to prevent future buildup of sludge or corrosion.
  3. Radiator Balancing: Have a professional radiator balancing service performed to ensure even heat distribution throughout your home.
  4. Magnetic Filters: Install magnetic filters in your system to capture any residual metallic debris or sludge that may have been missed during the power flush.
  5. Bleed Radiators: Regularly bleed your radiators to remove any trapped air, which can impact their efficiency and performance.

By following these maintenance tips, you can prolong the benefits of power flushing and ensure your central heating system operates at peak efficiency for years to come.

Enhancing Your Heating Efficiency Through Power Flushing

Power flushing is a game-changer for homeowners looking to maximize the efficiency and performance of their central heating systems. By thoroughly cleaning and removing accumulated sludge, debris, and contaminants, this process can significantly improve energy efficiency, extend the lifespan of your system components, and provide consistent, reliable heating throughout your home.

While the upfront cost of power flushing may seem daunting, the long-term benefits and potential cost savings make it a worthwhile investment. By choosing a reputable and experienced service provider, you can ensure the job is done correctly and safely, minimizing the risk of damage or incomplete flushing.

Remember, regular maintenance and proper care are essential to preserving the benefits of power flushing and ensuring your central heating system operates at peak efficiency for years to come.

Book An Action Services Plumbing Professional Now For All Your Power Flushing Requirements.