Gas Boiler (Repair & Servicing) in Gwynedd

Obtain Gas Boiler (Repair & Servicing) Prices in Gwynedd

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Gas Boiler (Repair & Servicing) in Gwynedd

Seeking a central heating boiler repair or service in Gwynedd? Our engineers in Gwynedd are going to supply you with the best prices for having a central heating boiler repair or service completed.

Boilers are some of the most significant parts of any property, giving heat and hot water all year round. This means any problems must be taken care of previous to becoming a major issue.

In the middle of winter it can cost at least £200 just in call-out expenses for an engineer. This is prior to a cost of replacing components.

To avoid coughing up a significant amount of money, make sure to get your boiler serviced yearly so any kind of problems could be discovered at the earliest opportunity. Besides this, having a service will ensure your boiler is running efficiently, reducing your costs.

The service will even highlight any danger too, such as a carbon monoxide leak. Carbon monoxide poisoning is liable for hundreds of deaths and hospitalisations annually, so make sure this doesn't happen to you.

We'll offer you approximately 4 engineers, who'll give quotations for the work. You'll be given a home visit from professionals in Gwynedd who'll offer the boiler repair or service for a fantastic price.

Average Boiler repair and service cost in Gwynedd

The regular cost of a boiler service is around £72, but you could pay anything between £58 and £100. The regular cost of a repair is £182 a time, but it depends on the repair. The regular cost of a replacement gas valve or expansion vessel, for example, is £300 each, plus labour of about £50 per hour. National companies may charge more than small local companies since they have more overheads. You’ll also find seasonal differences, as companies charge less in the summer when they are less busy than in the winter when they have lots of work.

Average price per Boiler repair and service job in 2026

Avg. price low

Avg. price low
£113

Avg. price

Avg. price
£150

Avg. price high

Avg. price high
£173

£300

£225

£150

£75

£0

Prices based on actual Boiler repair and service costs for Gwynedd, as reported by local LeadsDoWork members.

Boiler repair and service installation cost in Gwynedd 2026

Labour cost £105
Material cost £38
Waste removal £8
Time frame: 30 minutes - 2 days

Boiler repair searches in June 2026

Boiler repair Projects in Gwynedd in May 2026

2,152

Requests for quotations in Gwynedd in May 2026

5

Requests for Boiler repair and service quotations in Gwynedd in May 2026. -17% change from April 2026.

114

Requests for Boiler repair and service quotations in Wales in May 2026. -18% change from April 2026.

We noted 2,152 requests for property improvement quotations within Gwynedd. Of such quotation requests the amount of boiler repairs and services (type: boiler repair, boiler service, boiler repairs etc...) was 5.

Source: Numbers calculated based on the search volumes in major search engines

Boiler repair searches in cities and towns near Gwynedd May 2026

15

Requests for quotations in Llandudno in May 2026

11

Requests for quotations in Bangor in May 2026

10

Requests for quotations in Conwy in May 2026

10

Requests for quotations in Holyhead in May 2026

7

Requests for quotations in Caernarfon in May 2026

Gwynedd

The northwest Welsh region of Gwynedd boasts a populace of 121,900 and it is one of the country's preserved counties. The City of Bangor is situated inside the county, along with a great deal of the Snowdonia National Park. With the second largest land area in Wales, covering 2,548 kilometres squared, Gwynedd has a small populace density of just 47 people/km squared. In 1974 the region was broken down into five regions, with the Isle of Anglesey becoming an individual unitary authority. For all of your house upgrades in Gwynedd, work with reputable professionals to be certain a top quality finish and enjoy peace of mind.

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Boiler repair and service pros in Gwynedd

DJB Plumbing And Heating

6 review(s)
Based: in Chester, LL18 4RS

DJB Group understand that buying a new boiler can be an expensive investment, which is why we strive to provide our customers with outstanding customer satisfaction in all our boiler packages and installations. We are experts in our field, offering e...

Latest review

Chris B., LL22
15th October 2019
5

Heating | Gas | Boiler Repair / Service in Abergele

Very reasonable, friendly and helpful.

A55 Plumbing And Heating

9 review(s)
Based: in Conwy, LL32 8EP

Welcome to A55 Plumbing and Heating Established in 2005, staff within our small yet dedicated business have over 10 years experience in the plumbing and heating industry, providing a whole range of services across the domestic sector for our dedic...

Latest review

Andrea R., LL30
16th January 2018
5

Heating | Gas | Boiler Repair / Service in Llandudno

Excellent response - arrived within 2 hours and made thorough diagnosis and suggestions

Usafe LTD T/A EHT

2 review(s)
Based: in Pembrokeshire,, SA67 8SR

The plumbing and heating services that we offer have grown over the years, to encompass every area of plumbing and gas fitting. We started our business offering a simple no nonsense plumbing service, as our reputation grew we added new services, e...

Latest review

Meriel E., SA31
28th October 2017
5

Heating | Gas | Boiler Repair / Service in Carmarthen

Only one reply but he was super efficient and professional in his manner

Snowdonia Group

2 review(s)
Based: in Bangor, LL57 3EE

Latest review

William T., LL23
20th November 2018
5

Heating | Gas | Boiler Repair / Service in Bala

Very nice and pleasant Welsh servicman

Similar Customer Enquiries for Boiler repair and service in Gwynedd

28 Oct

Heating | Gas | Boiler Repair / Service

Llandudno - LL30

Enquiry from: Mark A

Start Date: Immediate

Boiler repair and service Lead

Combi boiler 15mm x 3/4 straight tap connector replacement due to small leak.

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14 Oct

Heating | Gas | Boiler Repair / Service

Holyhead - LL65

Enquiry from: Sylvia A

Start Date: Immediate

condence pipe to a boiler is blocked

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10 Jun

Heating | Gas | Boiler Repair / Service

Bangor - LL57

Enquiry from: Lania M

Start Date: Immediate

Good afternoon, We are looking for availability to book a home boiler service please.

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02 Jun

Heating | Gas | Boiler Repair / Service

Dolgellau - LL40

Enquiry from: Luned M

Start Date: Immediate

Yearly gas boiler check and shower- goes very hot then cold

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28 Apr

Heating | Gas | Boiler Repair / Service

Barmouth - LL42

Enquiry from: Amanda O

Start Date: Immediate

i have no heating and hot water. gas boiler not igniting and needs a service are you the property owner: owner of the property what work do you require: repair, service age of boiler: 10 years + what ...

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24 Mar

Heating | Gas | Boiler Repair / Service

Pwllheli - LL53

Enquiry from: Jonathan A

Start Date: Immediate

Boiler repair and service Lead

emergency plumber for today(!) as we go away on holiday for 2 weeks from today and just discovered 2 leaking isolation valves under boiler. 1x15mm and 1x 22mm 90deg tap. thanks. are you the property ...

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16 Mar

Heating | Gas | Boiler Repair / Service

Holyhead - LL65

Enquiry from: Andrew G

Start Date: Immediate

Old Baxi Bermuda boiler - has always worked well. Since Thursday not heating the water tank up fully - shuts down before reaching temperature. Hasn't been serviced for four years, so I'm hoping ...

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19 Feb

Heating | Gas | Boiler Repair / Service

Barmouth - LL42

Enquiry from: Peter H

Start Date: Immediate

Annual gas boiler service

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07 Jan

Heating | Gas | Boiler Repair / Service

Holyhead - LL65

Enquiry from: Anne Y

Start Date: Immediate

Due for annual boiler service. Has been making a noise this past week when using central heating for long period. After turning off for an hour it then works ok.

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20 Nov

Heating | Gas | Boiler Repair / Service

Bangor - LL57

Enquiry from: Christine S

Start Date: Immediate

Gas boiler service- Potterton PromaxSL, Repair or replacement programmer and thermostats. Upstairs heating not coming on at all.

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28 Sep

Heating | Gas | Boiler Repair / Service

Bangor - LL57

Enquiry from: Marc V

Start Date: Immediate

Boiler service and gas fire check

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28 Aug

Heating | Gas | Boiler Repair / Service

Llanfairpwllgwyngyll - LL61

Enquiry from: Simon A

Start Date: Immediate

Central heating power flush

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17 Jun

Heating | Gas | Boiler Repair / Service

Barmouth - LL42

Enquiry from: Alison B

Start Date: Immediate

I have 3 flats within one house with gas boilers and I am looking for someone to service them and supply a gas certificate for each Flat please. Can you please supply a quote and timescale please.

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31 May

Heating | Gas | Boiler Repair / Service

Barmouth - LL42

Enquiry from: Howard B

Start Date: Immediate

valiant gas boiler servicing. potentially remove a radiator and replace with a new one a few feet away are you the property owner: owner of the property property type: terrace what work do you requir...

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16 May

Heating | Gas | Boiler Repair / Service

Holyhead - LL65

Enquiry from: Rhys J

Start Date: Immediate

Gas boiler has stop working

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02 May

Heating | Gas | Boiler Repair / Service

Amlwch - LL68

Enquiry from: Anthony J

Start Date: Immediate

my boiler has not been serviced in a number of years and is very noisy. i have 1 radiator where the bleed valve is round and needs replacing. i have 5 radiators that need new thermostatic valves fitt...

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27 Apr

Heating | Gas | Boiler Repair / Service

Amlwch - LL68

Enquiry from: Anthony J

Start Date: Immediate

my boiler has not been serviced in a number of years and is very noisy. i have 1 radiator where the bleed valve is round and needs replacing. i have 5 radiators that need new thermostatic valves fitt...

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21 Apr

Heating | Gas | Boiler Repair / Service

Holyhead - LL65

Enquiry from: Keith E

Start Date: Immediate

I have a boiler service contract with your repair H60388 as it's almost 12 month since I took it out, we could do with a service asap.Thanks

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15 Apr

Heating | Gas | Boiler Repair / Service

Llangefni - LL77

Enquiry from: Osian T

Start Date: Immediate

Hello. Enquiring to see how much you would charge for a annual gas check and certificate on my house please in Llangefni Diolch Osian

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26 Mar

Heating | Gas | Boiler Repair / Service

Dolgellau - LL40

Enquiry from: Su H

Start Date: Immediate

i need a gas boiler service/certificate asap so i can complete the sale of my house. please can you help? are you the property owner: owner of the property property type: detached what work do you req...

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FAQs

How to repair a boiler leak?

If your boiler is leaking, there are some checks that you can do yourself. However, you should never attempt to repair your boiler yourself – only a Gas Safe-registered engineer should conduct repairs.

There are 3 main reasons why your boiler might be leaking: there’s a pressure valve fault, a temperature valve leak or corrosion in the system. An engineer will be able to spot the problem quickly, but in the meantime there are a few things you can do:

Check the pipe fittings

If your boiler is leaking water around the pipe fittings, it could be an installation fault and you should get in touch with the engineer that fitted it. You can check the pipe fittings by drying the area then waiting to see if the water appears again. If it does, you may be able to do a ¼ turn of the pipe to stop it. However, you should still call the engineer that installed it to ask them to check the PTFE tape on the inside.

Inspect the seals

Over time, the rubber seals on a boiler can start to perish, so if you have an old boiler this could be the source of your leak. If you have a new boiler, it could be caused by your boiler running over pressure.

Heat exchanger corrosion

Unfortunately, if a boiler engineer discovers that the boiler is leaking water from the heat exchanger, this is the end of the road for your system. The heat exchanger is the most expensive part of your boiler, so it makes more financial sense to replace your boiler with a newer, more efficient model rather than try to replace it.

how to fix a boiler?

How To Fix A Boiler

A boiler is subjected to regular usage, working for a several hours a day and providing hot water for shower on a daily basis and even more so during winter. With it’s power and efficiency, we tend to postpone or even totally overlook its maintenance. However, no matter how good your boiler is, it consists of many moving components and it’ll certainly develop some faults some day. When the inevitable occurs, you might want to save some money and get it fixed all by yourself.

When it comes to fixing boilers, seeking help from a licensed heating engineer is usually the best solution, however at times you might be just lucky to be faced with minor issues which you should be able to handle yourself. In this article, we’ll look at some of the most common causes of a broken boiler and how you can get your heating system up and running again. Let’s have a look!

✓ Low system pressure. In the event whereby your boiler display a low system pressure, it could mean that the system is about to breakdown. You’ll have to carry out regular inspections on the pressure gauge to see if there’s any noticeable changes and call in a heating engineer immediately to prevent a system breakdown from happening.

✓ Poor heat production. Although this is unlikely to lead to any great issues, but it’ll reduce the effective functioning of your heating system. To prevent a debris build, it’s important to have your boiler cleaned regularly.

✓ Strange noises. Boilers often make noises, so there’s nothing to worry about unless it’s a banging or whistling noise that’s very odd , then there may be a serious issue. You’ll have to check the air intake, pressure, exhaust and piping to ensure they’re working just fine, if not there may be a need for replacement.

How often should I have a boiler service?

You should have your boiler serviced every year. This ensures that your central heating system is running safely and efficiently, but it’s often also a requirement to keep your boiler’s warranty valid. To avoid disruption to your heating, the best time of year to service your boiler is the summer. You’ll often find that boiler companies will charge less because they have less work.

can i repair my own gas boiler?

Can I Repair My Own Gas Boiler?

If you’re more of an handy person, then you’d probably want to fix everything you can around the house while saving yourself some money that would have been spent on hiring a professional instead. This is a very cost effective but at the same time you must know that some tasks are usually more difficult than others, and a good example of those complex tasks is boiler repair. Not only can this be very tough, but they can also potentially be one of the most dangerous home appliances you can acquire. So with that in mind, what can be done to ensure your gas boiler is taken care of and in the event whereby it starts to malfunction, what can be done to remedy the situation?

With regular maintenance and repair of your gas boiler, you’d have absolutely nothing to worry about. However one of the fear several DIYers have is the fact that they might just end up incurring more expenses on services they didn’t really need in the first place. But when it comes to gas boilers, it’s necessary to be certified to work with them as it’s very dangerous to tackle it all by yourself. Despite this, there are still some minor issues that you wouldn’t need to hire a technician to resolve. In some cases, all that would be needed is simply to reset the boiler. To identify where the reset button is, simply go through your boiler’s manual for more information. Most times, all you’ll have to do is press down the reset button for a couple of seconds. If the boiler isn’t fully restored to its normal proper functioning state after two resets, then you may need to call in a professional for help.

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Gwynedd Boiler repair and service installers are rated 4.5 out of 5 based on 6 reviews of 12 pros.
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