Fast, Reliable Boiler Gas Repairs Across Edinburgh and The Lothians.
Gas Safe engineers available 7 days a week to get your heating and hot water working again – Fast.
Gas Safe engineers available 7 days a week to get your heating and hot water working again – Fast.
Gas Safe engineers available 7 days a week to get your heating and hot water working again – Fast.

7 Day Availability

Gas Safe Registered

Local Engineers Near You

Boiler Experts
A boiler repair in Edinburgh with C1 costs £80 + VAT for the call-out, with no hidden fees.
Our Gas Safe registered engineers diagnose the fault and carry out the repair on the same visit where possible.
Common repairs include faulty PCBs, leaking pressure relief valves, failed fans, broken diverter valves, and ignition faults.
We carry standard replacement parts for Worcester Bosch, Ideal, and Vaillant boilers.
C1 Boilers covers Edinburgh and the Lothians with same-week response times.
C1 Boilers provides professional boiler installation across Edinburgh, the Lothians and surrounding areas. Choose your location below to find local boiler installation information, including services, availability and advice for your area.
Posted on Google![]()
Annie CuriousTrustindex verifies that the original source of the review is Google.
Phoned C1 Boilers as I’ve used them before. Boiler required annual service. Great communication, 2 guys turned up as agreed and carried out the work and explained what was happening with my boiler. Excellent service and value for money . Good use of technology to keep me informedPosted on Google![]()
Fraser WrightTrustindex verifies that the original source of the review is Google.
Arrived very promptly and completed boiler service in a timely and efficient manner! Very impressed with the guys!Posted on Google![]()
Edith WhyteTrustindex verifies that the original source of the review is Google.
I have been using C1 Boilers for five years and have always found them to be excellent - quick to respond, very reliable and they get the job done for a very reasonable price. My son now also uses them and has been very pleased.Posted on Google![]()
Rachael BarlowTrustindex verifies that the original source of the review is Google.
Would highly recommend. Very professional, efficient and skilled. Prompt response, reasonable rates. Exactly what we needed. Will definitely be using again.Posted on Google![]()
Helen McDonaldTrustindex verifies that the original source of the review is Google.
I was delighted with the work, cleanliness & politeness from the team. Really good guysPosted on Google![]()
Megan LoganTrustindex verifies that the original source of the review is Google.
Fab service! Easy to book with and great communication from the start, great price, they showed up well within the time scale given and the guys doing the service were absolutely lovely. 10/10 from me, I will be booking all future boiler services with C1 for sure!Posted on Google![]()
Terence McDermottTrustindex verifies that the original source of the review is Google.
Friendly helpful staff. 2 men turned up, did exactly what was required. Told me Boiler was in good order and serviced it and all radiators. Will definitely use again. Thank youPosted on Google![]()
stephen bruntonTrustindex verifies that the original source of the review is Google.
Really pleased with the excellent service provided. Clean, efficient and thorough. Will use for yearly service and any repairs in the future.Posted on Google![]()
Andy GarmstonTrustindex verifies that the original source of the review is Google.
Great service, good communication. Guys arrived promptly and were respectful of our property. Did a thorough service of boiler, would recommend and would use again.Posted on Google![]()
Omar HusseinTrustindex verifies that the original source of the review is Google.
Quick efficient and reliable service as always!
C1’s repairs page currently lists a £75 + VAT call-out. The total repair cost depends on the fault, parts and labour required. Ask what the call-out covers, whether it is credited towards a repair, and for a quote before approving additional work.
Common reasons to book an assessment include no heating or hot water, repeated pressure loss, leaks, unusual noises, lockouts and error codes. The same symptom can have different causes, so an engineer needs to diagnose the fault before recommending a part or repair.
Warning signs include recurring faults, unreliable heating or hot water, leaks, unusual noises and repeated pressure loss. One symptom does not necessarily mean the boiler needs replacing. If you smell gas, leave the property and call the National Gas Emergency Service on 0800 111 999 rather than booking a routine repair.
A 20-year-old boiler is worth assessing for replacement, but age alone does not determine whether it must be changed. Consider its condition, safety, repair history, parts availability and the cost of fixing the current fault. An engineer can explain whether another repair is reasonable or replacement offers better value.
If the boiler is not providing heating or hot water, repeatedly locks out, leaks or displays a persistent fault code, it needs attention. Check the user manual and any clearly displayed controls, but do not remove the casing or attempt gas work. Give the engineer the fault code and a description of what happened.
There is no single expiry age for every boiler. Its useful life depends on the model, installation, maintenance, water quality and repair history. If an older boiler develops a fault, ask an engineer to assess its condition and parts availability alongside the repair quote before deciding whether to replace it.
Not solely because it is ten years old. If it is safe, reliable and economical to repair, keeping it may be sensible. Look at the fault, likely repair cost, warranty status and whether the part is available. Ask for a diagnosis before comparing repair with a new-boiler quote.
A boiler at 15 years old deserves a closer repair-versus-replacement comparison, particularly if faults are becoming frequent or parts are difficult to source. It does not automatically need replacing. Compare the quoted repair, the boiler’s overall condition and the cost of a suitable new installation before deciding.new-boiler quote.
Not necessarily. Banging, whistling or gurgling can have several causes, some of which may be repairable. Note when the noise occurs and whether you also have pressure loss, leaks or unreliable heating. An engineer should identify the cause before anyone recommends replacing the boiler.
It can be, if the boiler is safe, the fault is repairable and the quoted cost makes sense for its condition. A one-off repair is different from paying for repeated breakdowns. Ask the engineer about parts availability and the likelihood of further work, then compare that with replacement.
Replacement may be the better option if the boiler cannot be made safe, essential parts are unavailable, faults keep recurring or the repair quote is high relative to its condition. There is no universal price cut-off. Request a diagnosis and compare a written repair quote with a suitable replacement quote.
It may, but a higher bill does not prove the boiler is at fault. Tariff changes, colder weather, usage and heating controls can also affect costs. If bills have risen alongside poor heating or repeated faults, ask an engineer to assess the system before assuming a repair or replacement will reduce them.
Check whether other gas appliances work, look for a displayed fault code and review the boiler’s user instructions and heating controls. Do not open the casing or attempt a gas repair. If you smell gas, leave the property and call 0800 111 999; otherwise, report the symptoms when booking an engineer.