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What to Expect During a New Boiler Replacement

What to Expect During a New Boiler Replacement

If you’re considering a new boiler installation, it’s essential to understand the process and what to expect during a new boiler replacement.

This guide will walk you through the key aspects, from preparation to completion, ensuring a smooth experience with minimal disruption.

Preparation: Getting Your Home Ready

Before the installation day, there are a few steps you can take to prepare your home and ensure everything goes smoothly:

  • Clear the Area: Make sure the area around your existing boiler is accessible. Clear away any items or furniture that might obstruct the work area.
    Access Points: Ensure the installers have clear access to all parts of your home that they might need to reach, such as radiators and pipework.
  • Inform Neighbours: If you live in a shared building or have close neighbours, it’s courteous to inform them of the upcoming work, as there might be some noise or minor disruptions.

Installation Day: What to Expect

Arrival and Initial Assessment

On the day of installation, the engineers will typically arrive early. They will conduct a thorough assessment of your current system and discuss the planned installation with you.

This is your opportunity to ask any last-minute questions and confirm the specifics of the job.

Disruption and Downtime

One of the main concerns homeowners have is the level of disruption. Here’s what you can expect:

  • Water and Heating Downtime: During the replacement, your water and heating will be turned off. This can last from a few hours to the entire day, depending on the complexity of the installation.
  • Noise: There will be some noise from drilling and other installation activities. It’s advisable to plan to be out of the house if you find such noise disruptive.
  • Work Area: The engineers will need space to bring in new equipment and remove the old boiler. They will take care to minimise mess and clean up afterwards, but it’s helpful to have protective coverings on your floors and furniture if you’re concerned about dirt and debris.

Time Needed

The time required for a boiler replacement can vary:

  • Straight Swap: Replacing an old boiler with a new one in the same location can take anywhere from 4 to 6 hours.
  • Relocation or System Change: If you’re moving the boiler to a new location or changing from a conventional system to a combi boiler, the installation can take 1 to 2 days.

Financial Considerations: Payment and Costs

Understanding the financial aspects of a boiler replacement is crucial:

  • Quotes and Estimates: Always get a detailed quote before the work begins. This should include all costs – labour, materials, and any additional charges.
  • Payment Terms: Payment terms can vary. Some companies require a deposit upfront with the balance paid upon completion, while others might offer finance options to spread the cost. At Prime Time Boilers, we aim to offer flexible payment options to suit your needs.

After Installation: Final Checks and Maintenance

Once the installation is complete, the engineers will perform several checks to ensure everything is working correctly. They will:

  • Test the System: Ensure the new boiler is operating efficiently and safely.
  • Demonstrate Use: Show you how to operate the new boiler, including how to adjust the settings and troubleshoot common issues.
  • Clean Up: The team will clean up any mess and remove the old boiler and any debris from your home.

Ongoing Maintenance

Regular maintenance is essential to keep your new boiler running smoothly:

  • Annual Servicing: Schedule an annual service to maintain efficiency and catch any potential issues early.
  • Warranties: Ensure you understand the warranty terms. Most new boilers come with a manufacturer’s warranty, but additional coverage might be available for peace of mind.


Replacing your boiler can seem daunting, but with the right preparation and understanding of the process, it can be a straightforward experience.

By choosing a reputable company like Prime Time Boilers who installs replacement boilers across London and the South East, you can ensure a professional installation with minimal disruption and a new boiler that provides reliable heating and hot water for years to come.

Get a personalised quote today and let our experts guide you through the process.