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Brisbane & South East Queensland

Homeowner guides for Brisbane building plans.

Practical, plain language guides on building approvals, drawing requirements, council rules, and costs for homeowners in Brisbane and South East Queensland.

Written from Brisbane, relevant across South East Queensland. Setback rules under the Queensland Development Code, private certification and the building approval process apply across the state. Where a council does things differently, the guide says so.

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Building approval guides

Do you need approval?

Do You Need Approval for a Carport in Brisbane?

When approval is required, what the exemptions are, and what documents your certifier needs.

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Do You Need Approval for a Deck in Brisbane?

Elevated decks, ground level decks, and pool decks, and when approval is triggered and what the height thresholds mean.

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Do You Need Approval for a Patio in Brisbane?

Roofed vs unroofed, attached vs freestanding. How the presence of a roof structure changes the approval requirement.

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Room Extension Approval Guide for Brisbane

Room extensions always require approval. This guide covers the full assessment process, drawing requirements, and common delays.

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Do You Need Approval for a Granny Flat in Brisbane?

Secondary dwelling size limits, setbacks, the 2022 change allowing rent to anyone, and when a development application is needed.

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Costs & pricing

What do plans cost?

How Much Do Carport Plans Cost in Brisbane?

Drawing fees, engineering, certifier costs, and council fees. What you can expect to pay and what’s included in a fixed price quote.

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How Much Do Deck Plans Cost in Brisbane?

What a set of deck drawings costs, what’s typically included, and what additional fees to budget for alongside the plans.

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How Much Do Granny Flat Plans Cost in Brisbane?

The $4,990 fixed drawing fee, plus the certifier, engineering, council and construction costs to budget alongside it.

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How Much Do Patio Plans Cost in Brisbane?

The $2,990 fixed drawing fee for roofed and unroofed patios, what’s included, and the other fees to budget for.

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How Much Do Room Extension Plans Cost in Brisbane?

From $3,490 with the price confirmed in writing after scope review. What affects the price and what’s included.

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Planning rules & process

How the process works.

Private Certifier vs Council Approval in Brisbane

Almost all residential approvals in Brisbane go through a private certifier, not council. Here’s how the roles split and when council is involved.

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What Drawings Do You Need for Building Approval?

Site plans, floor plans, elevations, and specifications. What each drawing shows and why certifiers require them.

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Character Overlay Carports Brisbane

If your home is in an inner Brisbane suburb, it may sit in a Character Residential Overlay. This changes what’s allowed for carports and garages.

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Small Lot Carport Rules Brisbane

Smaller lots have tighter setback constraints. This guide explains the Brisbane City Plan rules for carports on lots under 450sqm.

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Front Boundary Carports Brisbane

The standard 6m front setback, when relaxations apply, and how corner lots and character overlays change the rules.

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What Is a Site Plan and Why Do You Need One?

What a site plan shows, what information it needs to include, and why it’s required for every building approval in Brisbane.

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Granny Flat Rules by Council in SEQ

Size limits and key conditions compared across Brisbane, Logan, Gold Coast, Ipswich, Moreton Bay, Sunshine Coast and the Redlands.

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Articles from across Queensland

More reading from the blog.

Shorter articles on approvals, costs and the drafting process across Queensland and SEQ.

Do I Need Council Approval for a Carport in Brisbane? Do I Need Council Approval for a Granny Flat in Queensland? How Much Do Deck Plans Cost in Queensland? How Much Do Granny Flat Plans Cost in Queensland? Can I Rent Out My Granny Flat in Queensland? What Plans Do I Need for a Room Extension in SEQ? How Long Does It Take to Get Building Plans? Carport vs Garage: What Plans Do You Need? Patio vs Deck: What’s the Difference for Planning Purposes? What Is a Private Building Certifier and Do I Need One? Fixed Price Drafting vs Open Ended Quotes Brisbane City Plan 2014: What It Means for Your Carport or Deck Queenslander Homes: Adding a Carport or Deck What Happens After Your Building Plans Are Approved? How to Read a Site Plan View all articles

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Fixed price drawings for carports, decks, patios, and room extensions across Brisbane and South East Queensland. Send us your details and we’ll confirm suitability within one business day.

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