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.
The Home Improvement Index from Onlinetradesmen.ie also found a notable difference in prices for extending the home, depending on whether it is in Dublin or a rural area. The national average cost for an extension stands at â¬981 per square metre, with the average for a rural area set at â¬908 per square metre.However in Dublin, the average costs is â¬1,069 per square metre â 15% more expensive than rural equivalents.Nationally, the cost of extensions has increased by 3% in the first half of this year. The average spend per home extension was â¬25,495.owever in Dublin, the average costs is â¬1,069 per square metre â 15% more expensive than rural equivalents.