I have just had a complete boiler replacement and system upgrade carried out by Paul and Simon from Mizzen Construction, Heating, and Plumbing this week, and I cannot recommend them highly enough. The entire experience was first-class from start to finish. From the initial visit, their professionalism was evident. They took the time to provide a detailed explanation of the work required, talking me through the options without any technical jargon or pressure. The planning was meticulous, especially as the job involved installing a new hot water cylinder in a very limited space. They had a clear solution and executed it perfectly. During the installation, they were incredibly respectful of our home. They kept all work areas impeccably tidy, used protective coverings, and cleaned up thoroughly at the end of each day. When they finished, they left the house even cleaner than they found it! The quality of the workmanship is outstanding. The new system looks fantastic and is already running more efficiently than our old one. What truly set them apart was their integrity and commitment to customer satisfaction. Due to the upgrade from a gravity-fed to an unvented system, the old pair of sink taps were no longer compatible. Instead of just pointing out the problem, Paul and Simon immediately informed me, explained why it happened, and helped source and install a new set of taps to ensure everything worked perfectly. This went far above and beyond the original job description.