Browse Forums Building A New House Re: How to estimate the cost of knockdown-rebuild house? 3Oct 02, 2020 9:18 am thehuntbegins Looking for some tips on various factors to estimate the cost of knockdown-rebuild house. Some background info ( about current lot and things which we need in new house) current : 3b house ( built around 1970s) on 620sqm land ( little sloppy towards main street) things we are looking for in new home (NW Sydney) > Custom build home > modern/contemporary design (flat roof) - 45-50square - 2 storey - 5 bedders, double garage > ground floor : living room, home theater, study nook, one bedroom(1) with ensuite, butlers pantry, powder room, laundry, family room, meal area, rumpus (or kids play area) > first floor : master bedroom(2) with ensuite with walk in robe - front side with balcony access bedroom(3) with ensuite with robe bedroom(4) and (5) with robe leisure/entertainment area bath and wc (common area) linen Of course we understand the cost also depends on type/quality of inclusions, builders etc but this is just an idea we are trying to get so its just an estimate Like ⋅ Add a comment ⋅ Pin to Ideaboard ⋅ So based on your experience please help to understand how to estimate cost of knockdown-rebuild house - which factors we need to consider and their estimate cost. Thanks a lot everyone! I do this for a living Depending on the amount of asbestos you have in the house it can be $17-25K for the demolition In regards to the Home it should sit between - $700k and $1M which will completely depend on inclusion level finishes, and the overall design (facade, bathroom sizes, kitchen size) You can put in normal windows and they cost $20K or you can put in top of the line full height which will cost $80k Main thing is the buildability of a house, the design needs to be done properly so additional costs dont creep in because of designers not understanding actual building methodology. if the original house is in good condition most of what you listed could be added in stages without the need for KDR and costs and disruption of having to live elsewhere… 1 13673 multiple occ properties are always billed by trades at a premium, rarely per sqm for the lot. You either have trades you know whoe will do by sqm or youre going to get… 1 2225 Hi, I'd like some advice on the best option please on the estimate options we've been provided from our builder. This is for the… 0 4066 |