How do I decide whether Specifications suits my Australian build?

The trade-offs around Specifications depend on your block, budget, family and how long you plan to live in the home. A builder's design consultant or an independent architect can walk through the options for your specific project. Ask for examples from recent Australian builds and check how Specifications affects your build cost, timeline and future resale.

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Specifications

By George Giannakakis · B.Arch.Studies · M.Arch (UniSA) · RLA300580

Last reviewed: 1 March 2026 · How we research

Specifications explained in detail

The written documents that accompany building plans, providing qualitative information about materials, workmanship, and standards required. Specifications describe the quality and type of materials, methods of installation, and standards to be met. They form part of the building contract.

Cracking the code: 5 Confusing building contract terms explained

28m 50s

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Cracking the code: 5 Confusing building contract terms explained

Building contracts can be full of hidden traps and confusing jargon. In this episode, we break down the five clauses that trip up most homeowners - covering prime costs, provisional sums, payment schedules, special conditions, build time frames and utility connections.

Watch full episode

Related Terms

Frequently Asked Questions

Common questions about specifications

The written documents that accompany building plans, providing qualitative information about materials, workmanship, and standards required. Understanding the terminology upfront helps you compare builder quotes and read your Australian building contract with confidence.

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Helpful Guides

Adelaide Build Cost Report 2026

Per-sqm rates, site costs & ranges

Home Builders Adelaide

How to choose the right builder

First Home Buyer Guide

Grants, costs & complete process

House & Land Packages

The complete Adelaide guide

More Terms in Design

Building Drawings CAD (Computer-Aided Drawings)Design Drawings Elevations Knockdown Rebuild Plans Ranch Style Schedules

Popular Building Terms

Site CostsThe hidden costs of building a home

Provisional SumsWhat builders don't always tell you

EavesWhy they matter in Australian homes

Brick VeneerAustralia's most common construction

Practical CompletionWhat happens at handover

Build TimelinesHow long does it take to build?

Authoritative Sources

Verify against the binding rules in your state

BuildPilot is an independent Australian building platform, we publish guidance, we don't hold a building licence. Every Australian residential build must comply with the National Construction Code plus state-specific Acts and consumer-protection law. The authorities below are the primary sources of truth for the rules that actually apply to your project.

National

National Construction Code (NCC)

Australian Building Codes Board (ABCB)

The primary national set of technical building standards that every Australian build must comply with. Volume 2 covers Class 1 & 10 buildings (most homes).

Australian Standards (AS / AS-NZS)

Standards Australia

Specific material, product and method standards (e.g. AS 3700 masonry, AS 1684 timber framing) referenced by the NCC.

Housing Industry Association (HIA)

HIA

National peak body for residential builders. Publishes the most widely used home-building contracts and consumer guidance.

Master Builders Australia (MBA)

Master Builders Australia

National peak body for general builders. Publishes commercial and residential contracts and industry guidance.

By state & territory

South AustraliaSA

Consumer and Business Services (CBS)

VictoriaVIC

Victorian Building Authority (VBA)

New South WalesNSW

NSW Building Commission (within Department of Customer Service)

QueenslandQLD

Queensland Building and Construction Commission (QBCC)

Western AustraliaWA

Building and Energy (within Dept of Energy, Mines, Industry Regulation and Safety)

TasmaniaTAS

Consumer, Building and Occupational Services (CBOS)

Australian Capital TerritoryACT

Access Canberra (Construction Occupations Registrar)

Northern TerritoryNT

Building Practitioners Board / NT Worksafe (Building)

Links above open the public website of each authority. BuildPilot is not affiliated with these bodies and does not act on their behalf. Information on this page is general - check the current edition of the NCC and the relevant state Act for binding requirements.