exists and is an alternate of. Merge this question into. Split and merge into it. Answer by Fwmh. Confidence votes 79.8K. Adult Humans have 12 pairs of ribs, making 24 ribs in total. ---------------------------------. Some believe that females have 24 ribs and men have less. That belief is usually based on the Biblical account of Adam and Eve.
So, for your 4 x 5m extension, the build cost would be roughly Â£24,000. + Add on 10-15% for professional fees (architect, planning application, building regs, structural engineer).+ VAT.ou may have heard that the rule of thumb is Â£1,000 per m2. However, this figure has been bandied about for rather a long time now! From experience, Â£1,200 per m2 is a now a more realistic estimate for a house extension cost in 2015 and reflects price increases over the last few years.
Related articles: The ultimate guide to extending your home | 10 ways to cut the cost of your extension. How much will an extension cost? There are many factors involved in costing an extension project, from the size of the project right down to the quality of the paint you use on the walls. For a basic breakdown of average extension prices, follow these guidelines: From Â£1,500 per mÂ² for basic construction work, up to Â£3,000 per mÂ² for high-spec materials. If youâre adding bi-fold doors, allow Â£1,400 to Â£1,800 per metre for these. Small extensions, under 15â20 square metres, have higher costs per square metre. Clay, peat, lots of nearby trees and sloping ground will all increase foundation costs.