vented to unvented system Phil and the team were one of a number of Plumbers that came to quote. They spent 45 mins planning the work they would do ahead of their quote and the answered every question we had; even the daft ones. following their quote, they committed to start date and started promptly. during the 2 days they explained everything they had found, what they were doing to remediate the issue and irrespective of the considerable challenges they faced still delivered to budget. Phil then stayed late so that he could walk me through the project when I retuned from work in the evening... it can be challenging to find tradesmen to trust and the TV is full of programmes about what happens when you make a bad choice. probably the finest testament I can give to Phil and the team (who left not a spec of rubbish after the job was completed) is that we have had them back already to complete another large project and have asked them to quote for further work. Thanks for your hard work and patience Phil!