Build Knowledge Hub

Practical guides, real case studies, and expert advice to help you navigate your knockdown rebuild with confidence.

Planning & Approvals

DA vs CDC: Which Approval Path Is Right for Your KDR?

Development Applications and Complying Development Certificates both have a role in KDR projects — but they come with very different timelines, costs, and flexibility.

8 min read
18 March 2026
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Finance

How Much Does a Knockdown Rebuild Cost in Australia? (2026)

From demolition to handover, a realistic breakdown of KDR costs across Sydney, Melbourne, Brisbane, and Perth — plus the variables that move the number most.

10 min read
10 March 2026
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Planning & Approvals

Heritage Overlays & KDR: What You Need to Know

A heritage overlay doesn't necessarily mean you can't knock down and rebuild — but it does mean a more complex process. Here's what it affects and how to navigate it.

7 min read
24 February 2026
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Finance

Construction Loans for KDR: How They Work

A construction loan is fundamentally different from a normal home loan — and getting the structure wrong can cost you dearly. Here's exactly how they work for KDR.

9 min read
12 February 2026
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Land & Zoning

5 Things to Check Before Buying a Block for KDR

Not every property with a tired house is a good KDR candidate. Before you buy, here are five checks that can save you from a very expensive mistake.

6 min read
28 January 2026
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Real Stories

Our Strathfield KDR: 18 Months, $1.4M, and Everything We Learned

A first-hand account of a KDR project in inner-west Sydney — from the first council inquiry to moving-in day. The good, the bad, and the expensive surprises.

12 min read
15 January 2026
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Materials & Products

Choosing Building Materials for Your KDR: Local vs Imported

From windows to floor tiles, the materials you choose affect cost, quality, lead times, and warranty support. Here's a practical guide to making smart choices.

7 min read
30 December 2025
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Renovation

KDR vs Renovation vs Extension vs Granny Flat: Which Is Right for You?

Four paths, one old house. Before you decide anything, here's the honest financial and practical comparison that most guides don't give you.

9 min read
22 March 2026
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Granny Flat

Australian Granny Flat Rules by State: The Complete 2026 Guide

NSW, VIC, QLD, WA, SA, ACT — every state has different rules on size, lot size, approval type, and who can live there. Here's the definitive comparison.

10 min read
21 March 2026
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Granny Flat

How Much Does a Granny Flat Cost in Australia? (2026 Real Numbers)

From a basic studio to a fully self-contained 2-bedroom dwelling — here are the real build costs, hidden extras, and how to get the best value for your budget.

7 min read
18 March 2026
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Granny Flat

Renting Out Your Granny Flat: Income, Tax, and Everything You Need to Know

All states now allow you to rent your granny flat to anyone. Here's the honest guide to rental income, landlord responsibilities, tax implications, and the family arrangement rules.

8 min read
14 March 2026
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Finance

RBA Rate Cuts & Construction Loans: What KDR Borrowers Need to Know in 2026

After a sustained rate cycle, the RBA has moved. Here's what that means for your construction loan repayments, draw schedules, and how to lock in the best deal now.

8 min read
20 March 2026
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Planning & Approvals

When Your Neighbour Objects to Your DA: What Actually Happens

Fear of neighbour objections stops many homeowners from pursuing legitimate developments. Here's the reality of what happens, what rights neighbours actually have, and how councils decide.

7 min read
15 March 2026
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Land & Zoning

Dual Occupancy vs Single KDR: Running the Numbers in 2026

If your block is large enough, you may have a choice: build one quality home, or two smaller ones. The financial difference can be substantial — but so are the risks.

9 min read
10 March 2026
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Construction

7-Star Energy Rating: What Every KDR Builder Must Do in 2026

NCC 2022 introduced mandatory 7-star NatHERS energy ratings for new homes. Here's exactly what that means for your build cost, design, and material choices.

6 min read
5 March 2026
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Construction

7 Things That Will Delay Your KDR Build (And How to Avoid Them)

Most KDR builds run over schedule. These are the seven most common causes of delay — and the steps you can take before you even sign a building contract to protect your timeline.

7 min read
22 February 2026
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Real Stories

Box Hill Townhouse: How One Family Turned a Single Block Into Four Homes

The Chen family's journey from a single-storey fibro home on a 900m² Box Hill block to four modern townhouses — the numbers, the challenges, and what they'd do differently.

10 min read
15 February 2026
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Construction

Soil Testing Before Your KDR: Why a Geotech Report Could Save You $50,000

Skipping a geotechnical report before signing your building contract is one of the most common — and costly — mistakes in Australian KDR projects. Here's exactly what it tests, what it costs, and how to use it.

7 min read
10 March 2026
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Construction

Do You Need an Independent Building Inspector During Construction?

Your builder has a certifier. But that certifier works for the system, not for you. Here's what independent inspections cost, what they find, and when you need them.

6 min read
14 March 2026
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Construction

Fixed Price vs Cost-Plus Building Contracts: What Australian Homeowners Need to Know

Not all building contracts protect you equally. Understanding the difference between fixed price, cost-plus, and design-and-construct contracts could save you tens of thousands.

8 min read
18 March 2026
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Construction

Asbestos in Your Old Home: What KDR Owners Must Know Before Demolition

About one in three Australian homes built before 1987 contains asbestos. Here's how to identify it, what removal costs, and how to avoid paying twice.

6 min read
22 March 2026
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