knock down rebuild

Knock down a house and rebuild your dream home with Montgomery Homes

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Montgomery Homes — The Knock Down Rebuild Specialists

If your current home no longer suits your lifestyle or it’s starting to look a little dated, you might be considering whether to renovate your house or knock down and rebuild your dream home.

Undergoing a major renovation not only induces additional stress and pressure, but can also be a costly exercise with many variables and unknown factors. On average, a major renovation can cost more than double per square metre and can often turn into a much bigger job than expected.

Montgomery Homes are the Knock Down Rebuild Specialists across Sydney, Wollongong and the Illawarra, the Central Coast, Newcastle and the Hunter Valley — navigate between these locations below.

We'll visit your current house for a free site inspection

Once you've made the decision to knock down and rebuild your current home, Montgomery Homes will help take the stress out of the entire building process. Starting with a free design consultation and a free site inspection at your current location. Your complimentary site inspection involves an extensive assessment of your site to determine the following:

  • The most suitable designs for your block
  • The fall across your block
  • Location of trees
  • Neighbouring properties
  • Site accessibility
  • Any additional preparation that may be required.

Montgomery Homes are experts at knockdown rebuilds on all types of sites including sloping sites, narrow, acreage and level blocks and with more than 300 home designs to choose from, you really are spoilt for choice when you choose to knock down and rebuild with Montgomery Homes.

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Recent Knock Down Rebuild Projects by Montgomery Homes

Byron 292 — Hamptons Facade

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San Tropez 271 — Executive Facade

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Riviera 2 293 — Retro Facade

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The Knock Down Rebuild Benefits

There are many benefits to a knock down rebuild, but you might be wondering how this option compares to moving house or even undergoing a major renovation. Here are just some of the many reasons why a knock down rebuild could be for you:

  • Stay in your current location where you and your family have created many memories
  • No need to worry about new neighbours - you can keep your current ones!
  • Keep your kids at the same school with their friends
  • Save money per square metre compared to a renovation
  • No real estate or stamp duty fees
  • Go green and create a more eco-friendly home by maximising solar and insulation
  • Increase the value of your asset and your land
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Knock Down Rebuild Costs

A common concern when renovating is the unknown costs that may arise throughout the project. Quite often, renovations end up costing twice as much as what was first anticipated as new problems are uncovered when the project begins.

If you choose to knock down and rebuild with an experienced builder like Montgomery Homes, we'll conduct an in-depth site analysis, prior to any down payments, to determine the costs to knock down and rebuild a brand new home.

On average, a Knock Down Rebuild costs two to three times less than a major renovation. And the benefit of knocking down and starting again is you get to customise everything you've always wanted, from better insultation, a bigger kitchen, to that extra bathroom.

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Learn more about the knock down rebuild costs and process and chat to one of our knock down rebuild specialists today.

Once you have made the decision to knock down your current house, Montgomery Homes will be there to guide you through the entire process step-by-step, to reduce the risk of the rebuild becoming a stress. Here is a summary of the knockdown rebuild process:

STEP 1
Our construction team will visit your existing property to conduct a free site inspection.

 

STEP 2
We’ll present you with a detailed tender covering all the costs to build your dream home. Once approved, we invite you to pay your commencement fee and our talented drafting team will start drawing your plans.

Now is a great time to start organising quotes for the demolition of your current home.

 

STEP 3
On acceptance of your Lodgement Plans, our Contracts Administrators will prepare your HIA contract. It is at this time your 5% deposit is paid.

 

STEP 4
Select your internal and external colours, features and finishes with our Interior Designers.

 

STEP 5
Once your DA / CDC has been approved, the demolition of your current house can be scheduled.

 

STEP 6
Demolition can take up to four weeks to complete. In this time, we will obtain the construction certificate for your new home (if applicable) and prepare the final documents for Construction.

 

STEP 7
Once demolition is complete, arrange and undertake correct site preparation on your block & provide proof of funds.

 

STEP 8
Construction commences on your beautiful new home.

 

STEP 9
Move in!

Your Knock Down Rebuild FAQs Answered

We understand home building can be a complex and confusing journey. That’s why we’ve put together a list of frequently asked questions to help guide you along the way

What are the pros and cons of a knock down rebuild vs a renovation?

Most Australian homeowners strive to increase the value of their largest asset and gain more equity in their home.

In recent years, land prices have increased considerably and made it more attractive to stay put and enhance your home in your existing location rather than find another home or new block of land.

If your home is aging and you are looking to increase its value, there are two options: you can either undertake an extensive renovation or knock down and rebuild on your existing site.

Some people find it overwhelming searching for a home in a reputable neighbourhood. It can be stressful trying to find a home for the right price and competing with our homebuyers. Often it is more feasible to keep your current neighbours and rebuild on your site. Consider the resale value and what’s going to get you more bang for your buck.

Who will demolish my house?

Demolition needs to be arranged by the owner and this process can take up to four weeks to complete.

While demolition takes place, Montgomery Homes will obtain the construction certificate and prepare the final documents for your new home build.

Make sure to find a licensed and insured demolition contractor to facilitate the demolition of your current house and to remove all the relevant materials, debris, trees, and roots.

If required, we can suggest demolition companies in Newcastle, Hunter, Central Coast, and Sydney regions.

Do I need to talk to a builder before I start demolition?

There’s a lot involved in preparing the site for a knock down rebuild. Therefore, it’s important to consult a new home builder before demolition commences. Once you have researched and engaged a demolition company to knock down your house, there are several items required to get the site ready, such as the removal of building materials, trees and roots, existing pools, and capping off the sewer.

For more information, ask us about our knock down rebuild fact sheet.

What are the knock down rebuild costs?

On average, a major renovation is more than double the cost of a knock down rebuild per square metre.

The cost to have your house demolished can differ depending on the size of the house, volume of material, if asbestos needs to be removed, and if there are any established trees or pools on the property.

On average, the cost to demolish your house can range between $20,000 - $30,000.

The knock down rebuild cost for your new home will vary depending on the type of home you build, the size of your home, whether it’s a split level home, and any additional upgrades you choose. At Montgomery Homes, we provide a free tender quote so you will know all knock down rebuild costs upfront before making a decision.

Clients who have completed a knock down and rebuild with Montgomery Homes have said it was the best decision they have made financially. Ask us about putting you in touch with recent knock down rebuild clients to  hear their experience first-hand.

Is it cheaper to knockdown and rebuild or renovate?

If you’re considering making structural changes to an existing property, costs can vary considerably. A major renovation can end up costing more than double per square metre when compared to a knock down rebuild. Renovations run the risk of over-capitalising and going over your budget.

If you choose a knock down and rebuild project with Montgomery Homes, on the other hand, you will be given a detailed and transparent price at the very beginning to avoid unpleasant costs and surprises along the way. This means you can spend less time wondering how much everything is going to cost and more time daydreaming about the fun processes, like selecting colours and designing your new home decor.

How long does it take to knock down and rebuild?

At Montgomery Homes we understand that building a new home is an exciting life milestone, and we build every home as if it were our own — ensuring quality from the inside out.

The timeframe for building a new home varies according to a number of factors including, but not limited to— the home design selected (single-storey vs double-storey or split-level), the individual specifications of the block of land (including site accessibility and condition), and external approvals (such as local council and BASIX).

Behind every Montgomery Homes build is a team who are passionate about seeing your dream home come to life. Please get in touch with our team to enquire about the build timeline for your new home.

What is the knock down rebuild process?

Montgomery Homes will be there to guide you through the entire process, taking the stress out of the project.

Here is a summary of the knock down and rebuild process:

  • Our construction team will visit your existing property to conduct a free site inspection  and recommend the most suitable house design.
  • Advise Montgomery Homes if you are lodging a separate DA for the demolition or if you would like to include it with our DA (a separate DA will quicken the process).
  • Receive a detailed Tender with all of your selected inclusions. 
  • Approve your tender and sign contracts.
  • Select your internal and external colours and finishes with our interior design consultant.
  • Start organising quotes for demolition of your current home.
  • Once your DA is approved, schedule the demolition.
  • Demolition can take up to four weeks to complete. In this time, we will obtain the construction certificate for your new home and prepare the final documents.
  • Commence construction.
  • Move in!
Can I make changes to your floorplans?

While some builders limit you to certain home designs and parameters, we provide you the freedom to build the kind of house that dreams are made of — providing a broad range of flexible, architectural home designs to suit your block no matter its size, angle, or orientation.

Knock Down Rebuild Customer Stories

terry and katrina

Growing and Expanding with Montgomery Homes:

After building their first Montgomery Home 25 years ago, Terry and Katrina only ever dreamed of building again. But as the years went on, the couple knew they needed more space to accommodate their growing family. Learn more about their journey of finding a house to knock down and rebuild.

Out with the Old, In with Your New Dream Home!

Ready for a fresh start? Our Knock Down Rebuild specialists will help you create the perfect home on your block.

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Still have questions?

Get in touch today

NEWCASTLE 02 4945 4000

CENTRAL COAST 02 4384 1441

SYDNEY 02 8883 5400

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Testimonials

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Our new home was built in record time. Quality and build were all up to a good standard. Issues were dealt with promptly and rectified. The entire build was very well managed by our site supervisor.

Alister, 2025

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A positive build experience. I would say similar quality to a custom build, but at an affordable price point.

Bentley, 2024

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"Happy from the very first stage to the very end, it has been a breeze... The quality of the build is perfect and a big thank to my Site Supervisor who always kept me up-to-date with the progress.
Overall, I'm extremely happy I chose Montgomery.
Thank you for everything, it is truly beautiful and we love it!"

Ingrid, 2022, Hunter Region

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“We are really impressed by the process / system you have in place to keep your clients up to speed with what to expect and what the progressive steps are during the entire process. i.e. from initial signing through to handover and everything required during. We have built before with other builders and genuinely feel that this process and the people we’ve dealt with made building with Montgomery Homes a step well above what we have experienced before.”

Venn, July 2020, Eleebana

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“Easy, friendly, stress-free, professional team! Kyle has exceptional organisational skills!! Would definitely build with Montgomery again ☺”

Sexton

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“Would recommend Montgomery Homes. Communication with supervisor was excellent. Build went well considering this is our first build.”

Lewis, June 2020, Medowie

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Fantastic! – Tim Lees our site supervisor was 10/10. Had everything covered throughout our entire build. He delivered everything on time and communicated effectively and efficiently. Everything was finished to a very high quality.

Nick, 2024

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“The friendly patient staff are courteous and always willing to go the extra mile & to answer questions. We made many changes to the basic design and appreciated the flexibility afforded.”

Inglis-Powell, March 2019

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“We found Montgomery very flexible with creating our design and very helpful, we have already recommended Montgomery to our friends & family.”

Holmes, February 2019

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“A great looking first home and a great team to work with!”

Grace, July 2020, Box Hill

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“You get a high standard of finish, which is in line with their time estates of a build.”

Blakely, June 2020, Catherine Hill Bay

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“Go with Montgomery Homes! Our experience has been made so easy and pleasurable with all the friendly, professional and expert advice along the way. Thank you!”

Ukmar, May 2020, Summerland Point

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“Very professional, made building a home easy and trouble free. Very much appreciated”

Ridley, July 2020, The Entrance North

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Easy build – we are very happy with our finished product of our build and would like to thank Colin as he was very helpful right through out the process. Thank you.

Stephen, 2024

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"We are very happy with the service we received from Montgomery. Friendly and helpful staff with good attention to detail. It was our first build and we found it an enjoyable experience. They were very flexible when altering the basic designs of their range and we are thrilled with our new home."

Vicki, 2021

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“Well worth considering to get a Montgomery Home – excellent selections, service and quality!’’

Cauchi, North Rothbury, May 2020

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"Montgomery Homes were very professional and helpful throughout the whole sales and then build process. The digital client portal was a great way to have us see updates as the building was underway. They kept us informed throughout and had our house completed earlier than expected. The end result is an amazing looking house that is super comfortable to live in."

Belinda and Matthew, 2022

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“Couldn’t fault the process – very open and honest about pricing etc. High quality and easy to deal with. Thank you ☺”

Shrume & Carroll, May 2020, Minmi

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“An amazing experience and the finished product was outstanding, you will not be disappointed. Top quality build and the supervisor made our experience memorable and enjoyable”

Plank, April 2020, Maitlandvale

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A great result – our supervisor, (Colin), communicated clearly and in a timely manner. This meant the process was easy and we have a house we are very pleased with. We would recommend Colin and Montgomery.

Grant, 2025

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"The process was great. I was happy with the communication and updates.
My new home is amazing, highly recommend Montgomery Homes.
I can’t wait to start our new chapter in our forever home."

Gina C, 2023

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