It depends on the number of radiators, type of the heating system (gravitation or combi), flat or house, amount of sludge you got in the system. From 3 hours up to 10 hours. If you send us a message or call us, we can let you know by phone how long it would normally take to service your system. It depends on how old they are. Some of them are closed in one position and won't open whatsoever. In such a case - yes, you will need to change them. Some of the valves have been fixed in the same open position for years and during the power flushing we need to open and close them many times.
Boiler breakdown diagnostic 70, and if we can fix your boiler without ordering part the price wont be more! If we need to go back we quote the job, and plus get the part if you want us to buy, and book an appointment with you again!
Our professional Gas Safe registered engineers can provide the best price for installation or replacement on the market, and all of them is fully insured! Please note, if you do not have electrical cross bonding will be an additional £60 under the boiler!
The Portable Appliance Testing (PAT) is an examination of electrical appliances and equipment to ensure they are safe to use. Most defects can be found by visual inspection, but some of them can only be revealed during the PAT testing. The Electricity at Work Regulations 1989 require any electrical appliance to be maintained as safe for use at homes. Every appliance has to be checked in a different time period, e.g. a microwave should be inspected at least once a year, more often than a lamp. Normally, we advise to repeat the inspection every year.
Sep 25, 2025
I’m using Andras and his team over 6 years for boiler repair and installation, all landlord certificates and general plumbing too.
As a landlord what I like that I can’t be there and always getting plenty pics from the work was done and showing prices and getting many options when repairs or installation coming to suit for my budget. It’s hard to find someone who can really trust if you not there.
Always on time and never let me down.
Strongly recommend anyone who needs a good engineer
Jul 30, 2025
Fantastic service, hones and reliable.
We were given a very reasonable quote to repair our boiler which we appreciated. At the same , we also asked quote for boiler replacement. Several options were offered to suit our budget and we chose to go ahead with new boiler installation. The new boiler was fitted quickly and professionally by Andras.
We really happy with the hole experience.
Highly recommend
Mar 05, 2025
C4UK responded promptly to my enquiry after I received an unexpectedly high water bill due to an undetected leak. The booking process was quick and straightforward, with everything clearly explained in advance.
Plumber Andy arrived on time, asked a few questions, and outlined his plan before getting to work. He quickly identified the source of the leak and, after digging up the driveway, discovered that the issue was with the meter chamber. Despite it being on my driveway, United Utilities initially claimed it was my responsibility. Andy took the initiative to speak with them on my behalf, clearly explaining his findings, and they have now agreed to take action.
Excellent service from C4UK, and a big thank you to Andy for his help—especially in dealing with United Utilities!
Feb 12, 2025
I have been using Certificates4UK Ltd’s services for over 9years for plumbing, boiler repairs and installations, certificates, and electrical repairs, and I’ve never had any issues. The team is easy to communicate with, booking is straightforward, they are always punctual, and their pricing is fair.
I strongly recommend them to anyone considering using their services!
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