Browse Forums Renovation + Home Improvement Re: Extending a single storey to a double possible? 4Jul 15, 2011 8:06 pm We are looking to demolish the old extension to our house (about 2 squares) and add 15 squares over two stories to make a total of about 25 squares. This will cost about $400k. Realistically, I doubt you could add a second storey for less than $200k Interestingly, we think that will make our house huge for 5 of us plus extended in law stays, but it will still be smaller than what you already have..... Hello All 🙂 We are planning to start our journey of construction our first home. We zeroed down on Metricon and henley homes based on design suitable for our lot and… 0 8157 1 4561 Hi Kristy Around $1.7-1.8m or around $4,600/sqm. if you PM me your email I will send you a break up in a spreadsheet so you can get an understanding of the costs for… 1 9925 |