Browse Forums General Discussion 1 Aug 17, 2009 8:45 pm We are very very new to the extension game. Can anyone advise what the average cost per sq is for a ground floor extension. Re: Cost per sq 2Aug 19, 2009 10:53 am smile: Due to the nature of renovations / extension type works it is difficult to put in place a rate per square metre.Such variables as demolition work, altering existing structures, site conditions including access all need to be factored into the price.Its a bit different for a new home where everyhing is new and the various trades are able to price their work from known factors.The best approach is to arrange for a builder to quote on your plans / specifications. Re: Cost per sq 3Aug 19, 2009 2:50 pm michandmark We are very very new to the extension game. Can anyone advise what the average cost per sq is for a ground floor extension. pick a number ... any number will do . When the quotes came in for an extension to our old house they varied from $900 - $2,000 m2. That was 7 years ago. It depends on the type of finish you want as well as footings, removal of existing pipework etc and all the structural elements mentioned above. 1) I had requested R6 ceiling insualtion batts, however I noticed that on some areas there are huge gaps which will allow hot air to sweep in, and also noticed black/grey… 0 3597 7 12016 We were lucky in that our old house was so small (86 square metres) compared to the new house, they were able to take enough readings around the old backyard house before… 8 37150 |