heating engineer looking at boiler

Boiler Service & Repairs Dartford

Dartford boiler service & repair engineers ready to help you!

Dartford Fixed Price Boiler Repairs

Looking for a boiler service in Dartford, not a repair? Click here.

Our fixed price boiler repairs include:

  • All callouts and labour to fix your boiler problem (just pay for parts separately, if needed)
  • FREE Standard Boiler Service (Value: £96),
  • No fix? Low fee. If we can’t fix your boiler, you only pay a small fee for the engineer’s visit,
  • 1 year guarantee on any new parts,
  • All major credit & debit cards accepted.

As well as Dartford, we also cover Stone, Swanscombe, Greenhithe, West Thurrock, Wilmington, Aveley, Grays, Joydens Wood, South Ockendon, Northfleet.

Customer Reviews

What Does Your Dartford Fixed Price Boiler Repair Include?

✅ Includes

  • All callouts and labour to fix one fault on your boiler
  • FREE Standard Boiler Service (Value: £96)
  • A 1 year guarantee on any parts fitted
  • No fix? Low fee. If we can’t fix your boiler, you only pay a small fee for the engineer’s visit.

❌ DOES NOT Include

  • Parts needed to fix your boiler (NOT INCLUDED). You will need to pay for any parts your boiler needs separately as an extra cost.
  • (If your boiler needs parts, we can get them for you quickly, cheaper than retail price, guaranteed!)
  • Boilers over 15 years old
  • LPG, Oil, Electric, Commercial, Back Boilers, and HIU’s.
  • Faults caused by incorrect installation, sludge or scale.
  • Replacing the boiler’s main heat exchanger

What Boiler Brands Do We Repair?

Combi Boiler Repairs

Thames Boilers provides top-notch repair services for combi boilers – highly favoured by Dartford homeowners due to their compact footprint and impressive energy efficiency.

Common problems that we deal with include:

  • Stuck diverter valves
  • Pressure relief valve failures leading to boiler pressure dilemmas
  • Condensate pipe complications, especially when Jack Frost visits and the pipe can freeze, causing the boiler to call it a day.

Our Dartford-based engineers excel at detecting and rectifying these niggles swiftly, meaning your combi boiler will be steaming away again in no time.

Vaillant Boiler Repairs

Famed for their high quality, Vaillant boilers sometimes still run into a spot of bother. Even the best products can develop faults, like not producing hot water or showing error codes such as F75, F22 or F62. But not to worry, because we at Thames Boilers are experts in identifying and repairing these pesky boiler problems.

Ideal Boiler Repairs

Ideal Boilers are widely used in homes across the UK for their reliability and efficiency. However, they can have occasional problems, such as issues with printed circuit boards, as well as the L1 and L2 fault codes. Our repair service covers these issues and more. We offer a standard boiler service free of charge (value £96) with all our fixed price boiler repairs for Ideal Boilers.

Worcester Bosch Boiler Repairs

Worcester Bosch is a top brand and its boilers are known for their robustness. However, over their lifetime, they may experience issues like blocked condensate traps, defective circuit boards or ignition faults. Our Dartford-based technicians are skilled in dealing with such repairs and providing a hassle-free, fixed price service. Also, if we use any new parts during the repair, they come with a 1-year guarantee for your peace of mind.

Baxi Boiler Repairs

Baxi boilers are known for their longevity and performance. Common issues we resolve include a failed auto-air vent leading to pressure problems, faulty diverter valves, or blocked condensate pipes, particularly in the colder months. Our Dartford engineers are highly experienced in troubleshooting and repairing Baxi boiler faults, and we stand by our no fix, low fee policy, where you only pay a small fee if we are unable to repair your boiler.

Potterton Boiler Repairs

Potterton boilers are revered in the UK, but they’re not immune to standard faults such as defects with the fan assembly or a faulty printed circuit board. The proficient engineers at Thames Boilers are equipped to carry out these repairs with precision. It’s also comforting to know that all replaced parts feature a 1-year guarantee, and in the rare instance where we can’t fix your Potterton boiler, only a small charge applies for the engineer’s visit.

Boiler Repair Questions & Answers

How soon can you fix my boiler?

It depends on the time of year and the weather.

In the warmer months, we can usually attend on the same or next day, if it’s a working day.

In the colder months, because it’s so busy, you may need to wait quite a lot longer for an appointment. Sorry.

Can you fix my type of boiler?

We can fix any boiler except oil boilers, LPG boilers, boilers rated over 70kW or those considered beyond economical repair. Other than that, we’ll do our best to fix it for you.

Just bear in mind that we can’t fix some boilers under the fixed price repair offer. These will be charged at an hourly rate plus materials.

Do I have to pay a callout fee?

No callout fee will apply if your boiler is applicable for a fixed fee boiler repair.

However, if your boiler is not applicable for a fixed fee boiler repair, a minimum charge of 1 hour’s labour will apply for an engineer’s visit.

What if I need a new boiler?

Sometimes boilers are considered beyond economical repair. This means that either the part needed to fix it is no longer available – or the cost of repairing it is approaching the cost of a replacement boiler.

If this is the case, we will let you know as soon as possible and explain why you need a new boiler. We’ll give you a full written quote for a new boiler and leave it up to you to decide what to do next.

If you decide to use us to replace your boiler, we’ll aim to prioritise you to get your new boiler fitted within 48 hours.


Boiler Servicing In Dartford

At Thames Boilers, we’re committed to offering top-quality boiler servicing for our customers in Dartford. We understand how crucial it is to have a reliable and efficient boiler, especially during the chilly months. Our team of professional and experienced boiler engineers can ensure your boiler is running smoothly, reducing the risk of unexpected breakdowns. We’re dedicated to providing a service that’s not only efficient and reliable, but also professional, so you can trust us to do the job right.

Cutaway image of a Viessmann combi boiler

What Does Your Boiler Service Include?

Standard Boiler Service (Dartford )

(For boilers under 3 years old or those that have had a full service within 3 years)

  • Visual inspection
  • Expansion vessel check and recharge
  • Check for gas and water leaks inside the boiler
  • Gas pressure check
  • Flue inspection and integrity test
  • Clean out magnetic filter (if fitted)
  • Clean out the condensate trap
  • Check hot water temperature and flow rate
  • Top up heating system water pressure
  • Send you a detailed boiler service certificate
  • Fill out the boiler service record in the boiler manual, where available

Full Boiler Service (Dartford )

(Recommended for boilers over 3 years old or those that haven’t had a full service for 3 years.)

  • Visual inspection
  • Expansion vessel check and recharge
  • Check for gas and water leaks inside the boiler
  • Gas pressure check
  • Flue inspection and integrity test
  • Clean out magnetic filter (if fitted)
  • Clean out the condensate trap
  • Check hot water temperature and flow rate
  • Top up heating system water pressure
  • Send you a detailed boiler service certificate
  • Fill out the boiler service record in the boiler manual, where available
  • Water quality check for system corrosion and make recommendations
  • Bleed all the radiators
  • Check the radiators to ensure they’re all heating up
  • Full strip down and cleaning of the burner and main heat exchanger
  • Check and set the times on your heating and hot water programmer

Boiler Servicing Questions & Answers

Will servicing my boiler fix any faults or problems?

This is a usual misconception. A boiler service is all about making sure your boiler is safe and executing regular maintenance duties. If there are issues with your boiler, a service won’t solve them.

We would suggest you reach out to us to confirm your fixed price boiler repair beforehand. Then, after the issue has been mended, you can go ahead and book your boiler in for a service.

Do I Need To Turn My Boiler Off Before It’s Serviced?

Yes, if you can be without your boiler for a while, please turn the boiler off about 30 minutes before we arrive. This gives the boiler chance to cool down, ready for our performance tests.

How Do I Check My Boiler Has Been Serviced Properly?

Evaluate if your boiler has been serviced properly by taking note of:

  1. The issuance of a service certificate once your engineer wraps up the service. This certificate, which could come through email or a physical paper, contains every detail about the checks executed on your boiler.
  2. The time taken for the work to get done. It should ideally be within 30-45 minutes for a standard service, while a full one should extend between 60 and 90 minutes. If it took far less time than what’s generally accepted, there’s a chance that the servicing wasn’t done completely.

What Areas Do You Cover?

We cover Dartford, Kent and the surrounding areas, including Stone, Swanscombe, Greenhithe, West Thurrock, Wilmington, Aveley, Grays, Joydens Wood, South Ockendon, Northfleet.

If you have any questions, please give us a call on 0808 196 4649 or if you would like to book your job in, please click the button below to go through to our online booking system: