Boiler Repairs
Boilers have the bad habit of breaking down whenever we need them the most. Whether the boiler doesn’t heat up enough, overheats or is emitting a strange sound, you need to ask for professional help. Regular boiler check ups and proper boiler maintenance can help to prevent any boiler breakdowns and avoid future boiler repairs.
There are a number of factors that can have a negative effect on the function of your boiler causing leaks and in some cases a breakdown.
Whatever the issue, Assert Heating Services are here to help.
. We provide fast and efficient boiler repair services across London and the surrounding areas. Rest assured our team will take care of the problem so you can enjoy your boiler working safely with no problems.
We recommend for you to service your boiler annually as per manufacturers’ warranty requirements.
Our heating engineers are available 24/7 in london, Essex and Hertfordshire so if it’s an emergency call out or you’ve booked a scheduled time slot that suits you we can provide the solution any boiler related problems and with our many years’ experience in the heating and plumbing industry you won’t be disappointed. Assert Heating Services pride ourselves on a reliable, professional and friendly boiler repair service in London, Essex and Hertfordshire.
Assert Heating’s approach to boiler repairing is professional and timely:
- Overall inspection of the boiler and controls
- Visual inspection of the boiler to check for leaks or corrosion
- Testing to check the gas pressure
- Tests to ensure there are no dangerous emissions
- Radiator check and diagnosis of any problems
- List with any parts required for the repair and an estimate price for the boiler repair
- Communication during every step of the process to ensure customer satisfaction and comprehension
Emergency Boiler Repairs London
Providing both fast and effective boiler repairs, all carried out by our team of gas safe engineers. Our emergency boiler repairs services in London are available 24/7 so there will always be someone available on hand to help.
Gas
We offer extensive gas service solutions. From gas safety checks, gas safety certifications to gas leak repairs and other gas services in London.
Plumbing
Our team of plumbing engineers work fast and efficiently and can carry out a range of services from routine leaks to advanced system problems.
Heating
Our team of gas safe heating engineers carry out boiler repairs, install state of the art heating systems and implement system upgrades on a daily basis.
Assert Heating is renowned for unparalleled standard of boiler repair services and with our 24 hour emergency call out. Rest assured we will resolve any boiler or other heating problem in your home in London and the surrounding areas.
Recent Gas Reviews
Ryan was friendly and did a tidy job.
Thank you.
Gabriela Butt
We called Ryan on a recommendation to look at our hot water system which had stopped working. Ryan came as soon as he could and though the problem was a mystery he figured it out quickly and came back the next day with the right parts to fix. He was efficient, courteous and helpful. His price was fair and we will use him again. Thanks Ryan. Ina Norrman
Ina Norrman
Adrian Geaves
Ryan from Assert Heating Services came yesterday to do a full heating check. He was very knowledgeable and also suggested changing an old radiator to improve heat retention in a cold room. We’ll definitely have Ryan back to fit the new radiator and for future heating checks. I’ve already recommended Assert Heating services to a friend!
Lucy Simler
Ryan did a routine service of our boiler. He was friendly, chatty and knowledgable. Would use the company again.
Hannah Winchester
Top professional service, they saved me and my family when our boiler stopped working, we didn’t have to wait long at all for them to come down and sort it, will definitely be using them again, i highly recommended.
Adam Smith
Ryan from Assert Heating Services arrived at the time promised and carried out the job very professionally and left the place spotless. Would recommend Ryan and his company for prompt and professional services without compromise. I have booked Ryan for annual boiler service which will be carried out this week.
Dinesh Sudra
Our boiler broke down a week ago and Assert were quick to respond especially given the current circumstances. great value and service, cannot thank enough.
Cheers, all the best.
Omar El-sayed
Ryan carried out a service on our gas boiler and was very helpful and efficient.
BrigitteE-1
Gas boiler service
Great workmanship, friendly and helpful. Assert were fairly priced and trustworthy.
We had our boiler position moved as well as a new one installed. All our needs were met quickly and professionally. We will be sure to use them in the future. Can not recommend enough.
Simon Thompson
Ryan and Paul did a fantastic job installing a new boiler under pretty difficult conditions. Thank you for being so professional and leaving the flat clean and tidy. Wouldn’t hesitate to recommend you
Nicola Raw
David Wolgroch
Thanks Ryan, for a fantastic job on the boiler conversion for our new house, pre-refurb!
Ryan was recommended to us by a good mutual friend, to check a redundant gas pipe that was randomly sticking out of the ground in what will be our living room area and ensure the gas supply was cut off and sound and then remove the eyesore of a pipe for us.
What I really like about how Ryan works is that he’s efficient, professional and really knows his job, and is a good communicator. He always returned my calls and answered any texts/questions within a short space of time, and this to me took the stress out of the whole process. To top it off he gave me a wholesome price on the boiler conversion and kept me well informed throughout the process.
On time, professional, experienced and excellent communication. All key attributes of a fantastic tradesman! Thank you Ryan, we will see you for our annual service and maintenance and highly recommend you to all our friends and family!
Best Wishes, Nita
N McEvoy
Thank you to Ryan at Assert Heating, he completed boiler service but noticed we had an issue with a leaking tap which we were waiting for a plumber to come and fix in a few days time but Ryan offered to cap it for us to save us money on our water bill. I would definitely use again and recommend.
Anthony Arbon
Great service, friendly and very professional. After the first email , Ryan made sure the inriial contact straight away and made all the arrangement for the appointment. He was very flexible with the timing. I have completed the gas certificate ans it was value for money . He was on time and made sure hechecked everything needed . I am definitely will be using this company again. I highly recommend assert heating services.
samira
I have used Ryan a couple of times and he is very professional knows his stuff no job to big or small he has every part needed for the job I can’t recommend him enough and will be passing his details on to friends and family and will not hesitate to call him again if I have anymore problems
a big thank you for reconnecting my cooker again
Grateful customer
Lele Williams
Highly recommended local boiler service. Prompt, Respectful. Didn’t just come in to do the job but gave sound advice on the equipment and how to avoid incurring long term cost. Friendly and good customer service
NickA-280
Great Service
Thank you Assert Heating for your very quick response. Boiler issue was sorted quickly and professionally. Your engineer was polite and respectful of social distancing, wore gloves and mask. Fully recommend!
Elena Sophocleous
We have used Ryan for a few jobs over the years. Always provides a good service and cleans up after. Highly recommend him.
Maria Apostolou
Assert Heating provided a very professional service, very clean and tidy i would recommend them 100%
Ahmet Djemal
back beat
Our boiler broke down a week ago and Assert were quick to respond especially given the current circumstances. great value and service, cannot thank enough.
Cheers, all the best.
Omar El-sayed
Great service Ryan. Arrived on time, very friendly & sorted out the boiler problem efficiently. We’d definitely recommend your services.
Leroy Pitt
Very good service. On time friendly & efficient.
Leroy Pitter
LeroyP-6
Boiler repair. Excellent service
💯 Reliable, hard working, friendly; kept smiling through the challenges.
Karen Brant
Cant recommend this guy enough, Assert Heating Services provided a great service during this difficult time. Ryan was professional and clear about the problem I had with my boiler. He took the time to talk me through and show me where the issue was. I didnt feel harrased, he let me think about replacing the boiler before I called him in to do the job. All in all, great job and I now have hot water again. Highly recommend.
helen georghiou
Great experience with Assert, can’t thank enough!
charlotte baird
Great workmanship, friendly and helpful. Assert were fairly priced and trustworthy.
We had our boiler position moved as well as a new one installed. All our needs were met quickly and professionally. We will be sure to use them in the future. Can not recommend enough.
Simon Thompson
BEST SERVICE AROUND!!! Very responsive right on time and very competitive price. I recommend this firm to everyone without any doubt.
HuseyinB-2
BEST SERVICE AROUND!!!
II was very pleased with Ryan he was polite and professional and punctual and I would highly recommend the service
Kind regards
Mr D Webb
DannyW-237
Assert heating
Adrian Geaves
Ryan delivers solid, professional work in a friendly and very efficient manner. Extremely competent and keen to offer advice outside of the problem in hand – the mark of a serious and committed technician.
PeterL-1083
Boiler service and problem solving
A very prompt and professional service. Highly recommended. Would definitely use again.
christian oliver
Really good work very professional.
KenK-37
Excellent
Lee was super helpful and fast at fixing our heating!
Billie-rose Dell
Great experience with Assert, can’t thank enough!
charlotte baird
Recently used Assert after my usual plumber couldn’t come out quick enough for a burst pipe in one of my properties and am very glad I did. Assert were quick to respond and fixed the issue to a high standard in next to no time. Great service all round. Looks like Assert might be my new port of call for any emergencies.
DominicFirthProperty
Quick and professional during an emergency.
Great experience with Assert, can’t thank enough!
charlotte baird
Senake Hettiarachchi
I found Assert by chance on Google last year as I needed a gas engineer to connect a gas cooked in a property I rent out. Ryan surpassed all my expectations of a fast and reliable service. He was very professional from the start and charges very fair prices. For this reason, I started calling Ryan whenever I have a problem in any of my properties I rent out and he’s always been very responsive and honest. Highly recommended!
Livia Marotti
Great service Ryan. Arrived on time, very friendly & sorted out the boiler problem efficiently. We’d definitely recommend your services.
Leroy Pitt
A very prompt and professional service. Highly recommended. Would definitely use again.
christian oliver
Very professional and fixed the issue with minimum fuss.
Bishu Debroy
I had a boiler installed recently and would recommend their services! Reliable, honest and competitively priced.
Lyndsey Page
Lee was super helpful and fast at fixing our heating!
Billie-rose Dell
Ryan arrived in time, fixed our problem quickly, was very professional and friendly. We highly recommend him!
Guillaume Jolly
Thank you Assert Heating for your very quick response. Boiler issue was sorted quickly and professionally. Your engineer was polite and respectful of social distancing, wore gloves and mask. Fully recommend!
Elena Sophocleous
Thankyou Assert Heating for repairing our boiler. Your services were very professional.
G Dhanji
I phoned needing an emergency repair to my heating system and booked in a visit on the phone. Ryan was polite, on time and professional. He diagnosed a fault with my boiler and explained how to rectify it and what that would entail. We agreed there and then for the remedial works to be done. Ryan attended again with parts to fix my boiler and had my heating and hot water up and running again in no time. I have already booked another appointment to have my boiler and both gas fires serviced in a few months time. Both happy and relieved, I have finally found a reliable plumbing and heating engineer!
Rebecca C
Came the same day we called and repaired our boiler. Very friendly over the phone and in person. They provided a great service – I’m very satisfied! Thank you!
Turgay Altun
Ryan was very polite and friendly . I would definitely use Assert heating again and due to professionalism. I would recommend them to others in the future.
Sandra Garbet
A very prompt and professional service. Highly recommended. Would definitely use again.
christian oliver
Senake Hettiarachchi
Cant recommend this guy enough, Assert Heating Services provided a great service during this difficult time. Ryan was professional and clear about the problem I had with my boiler. He took the time to talk me through and show me where the issue was. I didnt feel harrased, he let me think about replacing the boiler before I called him in to do the job. All in all, great job and I now have hot water again. Highly recommend.
helen georghiou
Very quick, clear communication, highly recommend
Alastair , E17
Gas / Heating engineer
Tennant reported that they had no hot water. I contacted AHS, Ryan, who attended, and by the next day two parts were replaced and hot water was up and running. All were happy with the great service provided
Brendon Ladd
Fantastic service. I called the company to help in an emergency and they promptly arrived at the property and quickly identified the problem. Ryan was very knowledgable and understanding and we felt confident in his hands.
Thank you so much for a fabulous service
KatieM-592
Fantastic service
Great workmanship, friendly and helpful. Assert were fairly priced and trustworthy.
We had our boiler position moved as well as a new one installed. All our needs were met quickly and professionally. We will be sure to use them in the future. Can not recommend enough.
Simon Thompson
Came round on Monday and diagnosed the issue – we needed a new boiler, which we already knew as it had been knackered for a while. Ryan came back on Weds to replace and did a great job. Highly recommend.
Antony Berou
J V
Ryan was very polite and friendly . I would definitely use Assert heating again and due to professionalism. I would recommend them to others in the future.
Sandra Garbet
Our boiler broke down a week ago and Assert were quick to respond especially given the current circumstances. great value and service, cannot thank enough.
Cheers, all the best.
Omar El-sayed
Fantastic service! Quick response, boiler issue sorted quickly. Highly recommended.
tom370
Ryan was responsive consistently to messages – a very key attribute when one has boiler issues! Shows he cares!
Will be engaging him again in the future. Very down to earth and helpful guy too. 🙂
Michael L
Ryan from Assert Heating Services arrived at the time promised and carried out the job very professionally and left the place spotless. Would recommend Ryan and his company for prompt and professional services without compromise. I have booked Ryan for annual boiler service which will be carried out this week.
Dinesh Sudra
Ryan has done several jobs for me and each time he has been knowledgable , courteous and punctual . Good clean job at a good price.
Nasim Belone
Great service, friendly and very professional. After the first email , Ryan made sure the inriial contact straight away and made all the arrangement for the appointment. He was very flexible with the timing. I have completed the gas certificate ans it was value for money . He was on time and made sure hechecked everything needed . I am definitely will be using this company again. I highly recommend assert heating services.
SamiraA-20
Professional, friendly and value for money
Ryan came promptly when my boiler had problems and returned to carry out repairs at a mutually convenient time. excellent service
Michael Chrimes
Good price and good service. Maintenance is very fast.
Song Helen
Thanks Ryan, for a fantastic job on the boiler conversion for our new house, pre-refurb!
Ryan was recommended to us by a good mutual friend, to check a redundant gas pipe that was randomly sticking out of the ground in what will be our living room area and ensure the gas supply was cut off and sound and then remove the eyesore of a pipe for us.
What I really like about how Ryan works is that he’s efficient, professional and really knows his job, and is a good communicator. He always returned my calls and answered any texts/questions within a short space of time, and this to me took the stress out of the whole process. To top it off he gave me a wholesome price on the boiler conversion and kept me well informed throughout the process.
On time, professional, experienced and excellent communication. All key attributes of a fantastic tradesman! Thank you Ryan, we will see you for our annual service and maintenance and highly recommend you to all our friends and family!
Best Wishes, Nita
N McEvoy
Contacted Assert Heating Services upon recommendation due to no heating or hot water at home. Within 24 hours Ryan attended, he was able to identify the issue and advise to cost and parts needed. Friendly, reliable and efficient service provided. Completed job to a high standard, will definitely use services again – highly recommended!
SelC
Fast, efficient, reliable and quality service !
Ryan did a great job replacing my two old boilers, re-piping and installing an new eco Vaillant boiler. Arrived on time and all work completed in one day.
Spyros Spyrou
Ian Merrell
Great service, friendly and very professional. After the first email , Ryan made sure the inriial contact straight away and made all the arrangement for the appointment. He was very flexible with the timing. I have completed the gas certificate ans it was value for money . He was on time and made sure hechecked everything needed . I am definitely will be using this company again. I highly recommend assert heating services.
samira
Very good service and efficient .. they responded fast and it didn’t take much time to know what’s the problem and to fix it.
Thanks to Rayen and his team I highly recommend them
Mohamed Salem
Great service Ryan. Arrived on time, very friendly & sorted out the boiler problem efficiently. We’d definitely recommend your services.
Leroy Pitt
Same day visit, quick repair, friendly, reasonable price
Jim Fisher
Thank you to Ryan at Assert Heating, he completed boiler service but noticed we had an issue with a leaking tap which we were waiting for a plumber to come and fix in a few days time but Ryan offered to cap it for us to save us money on our water bill. I would definitely use again and recommend.
Anthony Arbon
Ryan came out on short notice as our boiler stopped working, he managed to diagnose the issue then sourced a replacement part and fitted it within a few hours, boiler has been working great since it was looked at a few weeks ago. Great service highly recommend!
Michael Drake
Juliet Cochrane
Katharine Walker
Ryan was very polite and friendly . I would definitely use Assert heating again and due to professionalism. I would recommend them to others in the future.
Sandra Garbet
Thanks to Ryan for punctually arriving at my mum’s and quickly sorting boiler issue. My mum would have been without water and heating otherwise. Great value callout and great quality work. Will be using Assert every time now for future work. Chris
Chris Steele
Thank you Assert Heating for your very quick response. Boiler issue was sorted quickly and professionally. Your engineer was polite and respectful of social distancing, wore gloves and mask. Fully recommend!
Elena Sophocleous
Great experience from Ryan and his team at Assert Heating Services. Showed up on time, were friendly and professional, sorted out my boiler at a reasonable price. Would recommend.
louise osborne
Efficient friendly good quality service.
AliA-551
Highly commendable
Great service, friendly and very professional. After the first email , Ryan made sure the inriial contact straight away and made all the arrangement for the appointment. He was very flexible with the timing. I have completed the gas certificate ans it was value for money . He was on time and made sure hechecked everything needed . I am definitely will be using this company again. I highly recommend assert heating services.
samira
Ryan came to conduct a boiler service. He was punctual and informed me of his ETA prior to arriving. Showed me ID on arrival. Super polite and professional. Very knowledgeable. Respectful of COVID rules. I would highly recommend this trustworthy service. Thank you!
Claire Cortez
Assert Heating provided a very professional service, very clean and tidy i would recommend them 100%
Arms Djemal
Assert Heating provided a very professional service, very clean and tidy i would recommend them 100%
Ahmet Djemal
Ryan came around to replace our old boiler with a new one as it had developed a fault that couldn’t be fixed. From the beginning he explained the issue with the existing one and arranged to fit a new one within 2 days. When installing, again Ryan explained everything we needed to know about the new boiler and also made sure everything was fully up and running before leaving. He also tidied up after himself so it looked like no one had been here! Highly recommended.
Sean McAvoy
Lee was super helpful and fast at fixing our heating!
Billie-rose Dell
Great service received from Ryan and Jamie – prompt response and quick and efficient completion of the job (gas supply check).
Would not hesitate to use Assert Heating Services again. Happy to recommend them.
George Hapeshi
Professional, efficient and friendly with lots of good advice – identified problem and fixed leak leaving everything clean and tidy – would highly recommend.
John & Marion London N11
MarionB-105
Highly recommend Assert Heating Services
Been using Ryan for all my heating and gas needs over the years.
He’s always prompt and carries out a good job.
Highly recommended.
Eric Ibekwem
Khalid Fahfouhi
Ryan was communicative and professional. He did a great job and went out of his way to help us. I’d recommend Assert Heating. Thanks Ryan!
JulietC-37
Great service
Assert Heating were responsive, quick to make an appointment and carried out the work professionally and cheerfully! I would recommend!
Mika Nash
Ryan was friendly, efficient and knowledgable. He serviced our Worcester Bosch boiler today.
Brian , NW11
Gas / Heating engineer
Ryan from Assert Heating Services arrived at the time promised and carried out the job very professionally and left the place spotless. Would recommend Ryan and his company for prompt and professional services without compromise. I have booked Ryan for annual boiler service which will be carried out this week.
Dinesh Sudra
Thanks Ryan, for a fantastic job on the boiler conversion for our new house, pre-refurb!
Ryan was recommended to us by a good mutual friend, to check a redundant gas pipe that was randomly sticking out of the ground in what will be our living room area and ensure the gas supply was cut off and sound and then remove the eyesore of a pipe for us.
What I really like about how Ryan works is that he’s efficient, professional and really knows his job, and is a good communicator. He always returned my calls and answered any texts/questions within a short space of time, and this to me took the stress out of the whole process. To top it off he gave me a wholesome price on the boiler conversion and kept me well informed throughout the process.
On time, professional, experienced and excellent communication. All key attributes of a fantastic tradesman! Thank you Ryan, we will see you for our annual service and maintenance and highly recommend you to all our friends and family!
Best Wishes, Nita
N McEvoy
Fantastic service! Quick response, boiler issue sorted quickly. Highly recommended.
tom370
Laurence Hussey
I’ve used Assert a few times now and each time I was impressed with how they conduct themselves before the job, during and after. The most recent experience was with Ryan who quoted me to replace a diverter valve on my very expensive Vailant boiler. Due to how much water was in the boiler which had to be drained, the job took a couple of hours but that had no bearing on the price or the professionalism whilst in my house. I know from experience others would have milked me for more money so I was pleased that again I paid the job quoted for and I definitely got what I paid for. Great experience with Assert and have no hesitation recommending them.
AndyC-2432
Quality work, honest price and very professional
Speedy and efficient job at a fair price. Very satisfied
richard , CM20
Gas / Heating engineer
Assert Heating provided a speedy service. Very professional and polite engineer who respected social distancing. Will definitely use again. Fully recommend
Elena Kounis Sophocleous
Called Assert heating services regarding a radiator issue, Ryan was very helpful and come punctually to sort the issue in an efficient manner. Would highly recommend using Assert heating services in the future and would not hesitate to recommend to friends and family. Thank you very much!
Harry Tyerman
Katharine Walker
Prompt reply, smooth communication.
khalid , E17
Gas / Heating engineer
Cant recommend this guy enough, Assert Heating Services provided a great service during this difficult time. Ryan was professional and clear about the problem I had with my boiler. He took the time to talk me through and show me where the issue was. I didnt feel harrased, he let me think about replacing the boiler before I called him in to do the job. All in all, great job and I now have hot water again. Highly recommend.
helen georghiou
After getting messed around i used Assert Heating and i was so glad i did! Ryan was very knowledgeable, Brilliant service, very helpful, efficient and friendly. Definitely recommend 5 stars. very satisfied
A & T Boyle
Thank you to Ryan at Assert Heating, he completed boiler service but noticed we had an issue with a leaking tap which we were waiting for a plumber to come and fix in a few days time but Ryan offered to cap it for us to save us money on our water bill. I would definitely use again and recommend.
Anthony Arbon
Arrived promptly. Able to fit in gas service quickly. Very professional. Good value for money. Trustworthy and reliable. Highly recommend
Mark Butterworth
Senake Hettiarachchi
Charlie Findlater
Adrian Geaves
Fantastic service! Quick response, boiler issue sorted quickly. Highly recommended.
tom370
Thanks to Ryan for punctually arriving at my mum’s and quickly sorting boiler issue. My mum would have been without water and heating otherwise. Great value callout and great quality work. Will be using Assert every time now for future work. Chris
Chris Steele
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12 Scholars Road, London E4 7HH
T. 0800 458 8929
M. 07904 678518
E. info@assertheatingservices.co.uk
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