Total:
0
DISCLAIMER: This is to be used as a guide only. Do you agree?
Residential Building Costing Calculator
Step 1
Build type and areas
Build type?
New Build
Alteration and Additions
When do you plan to build?
New internal area
New external area
New driveway and paths
New pool and spa
Renovated internal area
Renovated external area
Renovated driveway and paths
Renovated pool and spa
Step 2
Site Works
Demolition
Whole House
Part House
Bulk Excavation
Detailed Excavation
Landscaping Provisional Sum
Quantity
Unit Cost
Custom External 1
Custom External 2
Custom External 3
Custom External 4
Step 3
Interior Scope
Fit-out items
Number of:
Kitchen
Scullery
Bathroom
Ensuite
Powder Room
Staircase
Laundry
Air Conditioning
None
Evaporative Cooling
Wall Split System
Ducted split
Quantity
Unit Cost
Custom Fit-out 1
Custom Fit-out 2
Custom Fit-out 3
Total Length of New Fixtures
Robe
Bespoke Joinery
External Balustrade
Internal Balustrade
Wiring and home automation
Standard
Basic C'bus only
Full C'bus automation
External Openings
New Doors / Windows
Replaced Doors / Windows
Step 4
Build Quality
Total Quality Score
5
Key:
Type of Home
Quality Range
Project Homes:
1.0-3.5
Custom Homes:
3.5-7.0
Architectural Homes:
7.0-9.0
Number of levels
Single storey, simple two storey
Split levels, 3 storey, some stepping levels
4 or more levels, many stepping levels
Footprint & plan shape
Simple shapes such as rectangular, linear
Irregular shapes, longer perimeter
Complex / articulated shapes or curves
Roof Shape
Simple with few features
Simple with many features, detailed
Articulated / Organic / Unusual Shape
Roof Cladding
Standard roofing such as Colorbond or Concrete tile
Mid range roofing such as slate, ceramic slate, Ritek
High quality roofing such as zinc, copper, concrete & membrane, earth covered
Doors & Windows
Simple windows & doors, single glazed
Louvre windows & bi-fold doors, double glazed
Large composite windows, louvres, lots of glass, performance glass
Wall Structure
Single skin
Double skin Such as brick veneer
Double skin Such as full brick
Wall Finish
None or minimal ie face brick, off form concrete, unfinished, bagged
Common finishes such as render, cladding, weatherboard, all with paint finish
Special stone clad, zinc clad, aluminum panel, other non standard / feature
Ground Floor Structure
Slab on ground only, screw in piles
Suspended concrete generally
Open plan - large span concrete, cantilevers
Flooring excluding Wet Area
Low range flooring such as floating floor, sheet vinyl, carpet
Mid range flooring such as standard timber / ceramic tile
Polished concrete High end timber or stone tile, parquetry
Lighting
Low range flooring such as floating floor, sheet vinyl, carpet
Basic / Minimal such as single fitting per room, surfaced fittings
Designer / quality fittings, multiple lighting sources, feature and external lighting
Trims
Basic / standard architraves, skirtings, cornices
Fewer trims or simple trimless, some trims
Decorative cornices, pure minimal trims, high end detailing
Kitchen fit-out
Basic finish & budget appliances, such as melamine and laminate benchtops
Mid range finish such as stone tops & Polyurethane paint, mid range appliances
High end stone tops, splashbacks, veneers, and high end appliances
Step 5
Site Conditions
Sloping Site
Select
Mostly flat / gentle slope (0-10 deg)
Significant slope (10-25 deg)
Very steep (more than 25 deg)
Site Access
Select
Good Access
Average Access
Difficult Access
Bushfire Affected
Select
Not Affected
Affected up to BAL 40
Flame zone affected
Marine Environment
Select
More than 500m from breaking surf
100m - 500m breaking surf
Within 100m of breaking surf
Market Conditions
Select
Recession
Normal
Boom conditions
Builder type
N/A
Owner Builder
Contingency
Select
Automatically calculate
Custom
None
Additional cost
Low Range
High Range
Preliminaries
Building Shell
Building Fit-out
External & Siteworks
Contingency
Builder's Margin
GST 10%
Total
