A. Uric acid is a chemical breakdown product of metabolism. The liver produces uric acid by breaking down other chemicals, called purines. Uric acid is normally found in the blood in low concentrations. Some people are prone to high uric acid levels, which can sometimes lead to gout, kidney stones, or kidney damage.. Uric acid is a chemical breakdown product of metabolism. The liver produces uric acid by breaking down other chemicals, called purines. Uric acid is normally found in the blood in low concentrations. Some people are prone to high uric acid levels, which can sometimes lead to gout, kidney stones, or kidney damage.
Extensions are more expensive: RICS gives a guide cost of between Â£1,260 and Â£1,680 per square metre for an extension with plastered finish. So a 20-square metre single-storey extension will range from Â£25,200 to Â£33,600 â before you've put down flooring or installed a kitchen.s a rough guide, the Royal Institution of Chartered Surveyors (RICS) suggests that the cost of a loft conversion for a plaster-finished shell, excluding decoration and floor finishes, is Â£660 to Â£900 per square metre including VAT.
Size of area. Generally, the larger your extension, the less it will cost per square metre due to economies of scale coming into force on greater building projects. On average, a small single-storey rear extension measuring 12 square metres in ground floor area can cost as much as Â£1,700 per square metre. Whereas a large 60 square metre single-storey rear extension can cost in the region of Â£1,200 per square metre.