There is a good chance it is just the taps. You can't beat 2 separate pillar taps. Many kitchens have these monobloc taps that are connected with 8-10mm hoses that are really built for high pressure systems & very restricting for just gravity fed systems. I can only suggest fitting a temporary normal tap to some plastic push fit pipe to test & see if its better. Will cost about £15 for somthing like a cheap outside tap & some fittings to test. If you do? time how long it takes to fill a large bucket of water with the old tap. Then the same again with the temporary tap.
Hi, no, because the cold will be mains "high"pressure in the kitchen & the hot gravity from your hot water tank, which i assume is supplied by your cold water tank in the loft. I have a similar problem in my place which is a bungalow, so even worse just because of these monobloc taps & sinks with only 1 hole. I did the plumbing in this place myself & didn't know enough about pressurised systems to fit that type of tank. Is all you can do is make sure you have a tap with the biggest bore size & flexi pipes going up to the tap or drill two holes in the worktop & fit pillar taps.
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