We come across many questions in our day-to-day operations and we are only to happy to answer them. Here are some of our frequently asked questions - simply click on the Question to reveal the answer.


We certainly can, and we do!
Click here to view our most valued testimonials!


A good builder will provide evidence to you for the increases in both Prime Cost and Provisional Sum items.
A great builder will provide evidence, but also explain in detail the reasons for the increase and look to save money where possible.


The NSW Fair Trading website provides a lot of important information for both us as an employer, a contractor and for you as a client.
This link will take you straight a registration check. https://www.onegov.nsw.gov.au/publicregister/#/publicregister/search/Trades
Type in our registered business name: Developing Business Pty Ltd. There we are!

In this same location you can type in the full name of our project managers and/or the Managing Director Stephen Mudge to confirm the individual licence held.


We designate one project manager to one project.
It is important to us that you feel confident with your project manager and feel comfortable discussing all aspects of the project with them.


A 'Prime Cost' item is an allowance in the contract for the supply of certain items which have not been specifically selected yet.
This allows you as the client to take the time to decide on the product that you desire rather than be pressured to select it all in advance.


'Provisional Sum' items are allowances for specific elements of work that is not yet defined in enough detail for tenderers to price.


We love that you have asked this!
At MudgeCorp we have a designated division for project maintenance.
We want you to enjoy your home and our priority is to provide superior quality in everything we do. If a defect did appear, we would promptly arrange for our Maintenance Manager to attend the property and rectify the issue.


This really depends on the builder. Make sure that you understand the proposal provided to you by your chosen builder.
At MudgeCorp we clearly show the contract price, and explain this contract price in detail.
We also explain the exclusions to the contract and provide options for alternative products and finishes.


Practical Completion is reached when the project/home is 'fit for occupation'
This enables you as the client to occupy the premises prior to official completion, and us as the builder to ensure you receive the quality finish that you expect and deserve.


You may request a variation to the contract at any time throughout the duration of the project.
We will provide a quote on what this variation will cost and what it will cover.
It will then be added to the invoice at the appropriate claim stage.


At MudgeCorp we will provide you with a Project Manager who will manage your project from start to finish.
This means that you can be confident knowing that your project is in good hands. It also means you can contact your Project Manager at any time with questions, changes and to arrange a visit to see the progress.


Any extras/exclusions will be noted within our original proposal and within the final contract.
If you are ever unsure about whether something has or has not been included then we want you to ask us.

"We have been delighted with the quality of the work that was carried out. I can only give the strongest recommendation for Steve, Tobi and their team. All our dealings were professional, courteous and effective. The guys were always available for meetings and consultations, ready with advice and always looking for innovative ways to use economical building materials and techniques."

Brad Worthington - Worthington BMW

"Thanks for our work to date, the house is looking great and is a delight to live in! Many thanks"

Home Owner - Pymble

"RE: Glenworth Valley, Calga
The builders, MudgeCorp did great justice to the design and implemented their care to attention to detail throughout the building, especially the timber work."

James Cooper – Architect, SANCTUM DESIGN

Receive Our Updates

Captcha Image

We provide updates on the latest in innovative construction materials, updates on our projects and more besides.


I Need Inspiration
Where Do I Start?
Need A Builder?


Request Quote Now
Let's Talk