Sydney Residential Architect: Building costing calculator

How many new fit-out items?

Kitchen

Kitchenette

Bathrooms

Ensuites

Powder Rooms

Staircases

Home cinema rooms

Laundry

Custom Fit-out $

Custom Fit-out 2 $

Custom Fit-out 3 $

Notes on internal items

The number and type of internal fit-out items can be a major in the cost of a project.

Your building cost will be significantly more if you have many ensuite bathrooms or lots of internal joinery.

The budget cost of these items is adjusted by the Quality scale in Step 4, and the allowance is show in the Summary.

Total length of new fixtures?

Robe - total all rooms m length

Bespoke Joinery
- total all rooms m length

Balustrading (external)
- except staircase m length

Balustrading (internal)
- except staircase m length

Wiring & home automation

Standard wiring

Basic C'bus only

Full C'bus automation

External Openings

Measure in elevation
ie Area of glass plus frame, 2x2m
window = 4 sqm approx.

Doors / Windows
- In new or changed openings sqm

Doors / Windows
- Replaced in existing unchanged openings sqm

Note: Internal doors and windows are
covered in floor areas.

Only add windows here when they are not within an area that is New or Renovated (Internal or external) area (but not driveways or paving).

This is a way of picking up individual window additions or replacements that fall outside the general works.

Quality Scale Assistant - Try our 12 point checklist (Auto Quality Scale)
1 - Number of levels (select only one)
Single storey, simple two storey	Split levels, 3 storey, some stepping levels	4 or more levels, many stepping levels
2 - Footprint & plan shape (select only one)
Simple shapes such as rectangular, linear	Irregular shapes, longer perimeter	Complex / articulated shapes or curves
3 - Roof Shape (select any / all that apply)
Simple with few features	Simple with many features, detailed	Articulated / Organic / Unusual Shape
4 - Roof Cladding (select any / all that apply)
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
5 - Doors & Windows (select any / all that apply)
Simple windows & doors, single glazed Standard / stock	Louvre windows & bi-fold doors, double glazed Domestic quality	Large composite windows, louvres, lots of glass, performance glass Commercial quality
6 - Wall structure (select any / all that apply)
Single skin Lightweight	Double skin Such as brick veneer	Double skin Such as full brick
7 - Wall finish (select any / all that apply)
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
8 - Ground floor structure (select any / all that apply)
Slab on ground only, screw in piles	Suspended concrete generally	Open plan - large span concrete, cantilevers
9 - Flooring excl. wet area (select any / all that apply)
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
10 - Lighting (select any / all that apply)
Basic / Minimal such as single fitting per room, surfaced fittings	Multiple fittings per room, some feature lights, fans, downlights	Designer / quality fittings, multiple lighting sources, feature and external lighting
11- Trims (select any / all that apply)
Basic / standard architraves, skirtings, cornices	Fewer trims or simple trimless, some trims	Decorative cornices, pure minimal trims, high end detailing
12 - Kitchen fit-out (select any / all that apply)
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


Preliminaries (see *1 below)	$	-	$
Building Shell	$	-	$
Building Fit-out	$	-	$
External & Siteworks	$	-	$
Contingency	$	-	$
Builder's Margin (see *2 below)	$	-	$
GST 10%	$	-	$
Total	$	-	$

Preliminaries	$	-	$
Building Shell	$	-	$
Building Fit-out	$	-	$
External & Siteworks	$	-	$
Contingency	$	-	$
Builder's Margin	$	-	$
GST 10%	$	-	$

Building Costing Calculator

Make a quick check of your building budget!

5 Easy Steps

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Step 1

What is your build type?

Measure your plan ...

Step 2

Initial siteworks ...

Step 3

Your fit-out items ...

Notes on internal items

Step 4

Quality of design / materials / details ...

Step 5

Other cost factors ...

Notes on slope

Notes on Access

Notes on bushfire

Notes on Marine

Notes on Market Conditions

Notes on Builders

Notes on Contingency

Finished

Here is your cost breakdown ...

Exclusions:

Preliminaries:

Builder's Margin

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