When it comes to repairing or replacing your boiler, you need to ensure you choose specialists. If you’re seeking boiler installation London, it’s crucial that you ensure that you choose a service that is both safe, efficient, and reliable.

Whether you’re experiencing problems with your boiler and have no heating or hot water or you need to replace your boiler, we’re there when you need us. The process of boiler replacement London or carrying out repairs requires expertise and experience and that’s why we’re highly regarded. We adopt an honest approach, ensuring we keep our prices transparent and get your boiler back up and running in no time.

We are Gas Safe registered, ensuring we adhere to all relevant guidelines and install your boiler safely and professionally.

Heat Knights are Valiant and Worcester accredited offering 10 years boiler warranty on new boiler installations and 12 months guarantee on boiler repairs and pipework carried out by us. T&C’s apply.

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  • All Major Brand Boiler Repairs Serviced
  • Vaillant and Worcester Bocsh Experts
  • Baxi Potterton and Ideal Boiler Repair Experts
  • Landlord Gas Safety Certificates
  • Boiler Service and Safety Inspections
  • Vaillant Boiler Installation
  • Worcester Bocsh Boiler Installation
  • Electric Boiler Installation
  • Water Heater Installation
  • Emergency leak repair
  • Emergency Boiler repair
  • Emergency No Heating and Hot Water
  • Emergency Plumber
  • Affordable Pricing
  • Fixing Leaky Taps
  • Toilet Repairs
  • Unblocking Sinks
  • Re-sealing Sinks
  • Re-sealing Baths
  • Low Mains Water Pressure Remedies


Whether it’s during the depths of winter or you simply need hot water during the summer months, a faulty boiler is going to cause you problems. A fault can arise at any time but we offer emergency boiler repair London that is there for you. We will arrive on-site promptly and as we carry many common spare parts, there is every possibility we will be able to solve the issue without the need to order your part in. However, we do everything we can to ensure that your boiler is safe while carrying out short term repairs while we wait for the new part to arrive.

Offering boiler repair north London, we will work tirelessly to get your boiler back up and running, restoring your heating and hot water.


Having served London for over 15 years, Heat Knights was created with the vision of delivering the City’s homes with the highest standard of service covering Gas, Boilers, Central Heating and Plumbing. Heat Knight’s expert team of engineers has a minimum of 10 years experience are Gas Safe…


We understand the problems you face when your boiler fails or develops a fault. It’s not until a problem arises that you realise just how much you rely on your boiler. If you experience a boiler breakdown London, all it takes is one simple call and we will be there.
Our team of skilled experts will ensure that they identify the issue as quickly as possible before seeking a cost-effective solution. We’re a company that cares about our customers, so we do everything we can to keep costs low while maintaining a friendly approach. We put your mind at rest because we’re experienced, trusted and chosen by many people throughout London.


Heat Knights are pleased to offer customers up to 10 year warranties on all new Vaillant and Worcester Bosch boilers*. Our engineers undertake thorough assessments to ensure your central heating systems suit the requirements of your home and are built to last.


In response to the current Covid-19 pandemic and the Government classifying Gas Engineers as essential workers, Heat Knights has implemented the procedures to ensure both Customer and Engineer safety