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.
Most builders can give you an idea of what your extension will cost per square foot or metre. For example, a basic single storey extension would typically cost around Â£1,000 per square metre but it could be up to Â£1,600 or more for a premium two storey extension.So a 3 x 5 metre extension would cost Â£15,000 and up to Â£50,000 for a two storey, more premium extension.These costs are just to create a room, they would not typically include the cost of a kitchen or bathroom.o a 3 x 5 metre extension would cost Â£15,000 and up to Â£50,000 for a two storey, more premium extension. These costs are just to create a room, they would not typically include the cost of a kitchen or bathroom.