4.9
300+
Home Projects Completed
Fixed Price
Transparent Pricing
7-Year
Structural Warranty
25+ Years
Industry Experience
Registered Builder
CDB-U-64991
Registered
Licence No.
CDB-U-64991
Our Approach
Building homes with purpose
Our goal is to create homes people genuinely enjoy living in, designed around the way they live today and able to support their changing needs for years to come.
That starts with understanding how you live, what matters most to you and what you need from your home, both now and in the future. Whether you are building new or renovating, we look beyond the immediate brief to consider how the layout, functionality, materials and finishes will support everyday life.
We believe good building is about creating something lasting. Every decision is considered with the long term in mind, from how easily you move through the home to how the materials will perform and how the space will adapt as your needs change.
Ultimately, we want to deliver a home we are proud to put our name to and one you are proud to call your own, with the confidence that choosing DEMK was the right decision.
Your home should work for the way you live today — and adapt to what you may need in the future. Whether you’re building new or renovating, we start by understanding what isn’t working and what you want your home to do better.
You may need more storage, a more open layout, additional space for a growing family, or a home that is easier and safer to move through. From layout and accessibility to materials and finishes, we help you make considered decisions that improve how your home looks, feels and functions — now and for years to come.

Our Services
Home Renovation & Custom Home Builders in Melbourne
With more than 25 years of industry experience, we coordinate the trades and key construction stages through one experienced team, with direct access to your builder throughout the project.

Building options

Our commitment to quality and professionalism
As a Housing Industry Association member, we follow a professional Code of Ethics and stay informed through recognised industry contracts, regulatory guidance and industry updates, giving you greater confidence throughout your building journey.
As a Housing Industry Association member, we follow a professional Code of Ethics and stay informed through recognised industry contracts, regulatory guidance and industry updates, giving you greater confidence throughout your building journey.
Our Approach
Why choose DEMK for your project
You are kept informed as the work progresses, with clear updates about completed stages, upcoming work and anything requiring your attention.
Aftercare Support
Why choose DEMK Constructions for your project
Custom Design & Planning
We shape the build around your block, lifestyle and long-term needs, with early input on structure, access and construction practicality.
Structured Project Management
Coordinating trades, inspections, approvals and key stages to keep your project organised and on track.
Reliable Timeframes
We carefully plan your project and manage each stage to deliver it as planned.
Aftercare
support
Our support continues beyond handover. If something needs attention after your project is completed, our team remains available to help.
Current projects across Melbourne
Clear proposals. Flexible choices.
Transparent Pricing
Flexible allowances
Variations
How we quote
Clear proposals. Flexible choices.
We clearly set out your scope, pricing and allowances before construction begins, so you understand what is included, where you have flexibility and how any changes will be handled.
Transparent Pricing
Your proposal clearly outlines the scope of works, inclusions, exclusions and allowances, so you know what is included from the outset.
Flexible Allowances
Where selections have not yet been finalised, allowances give you flexibility to choose within the allocated amount or select an upgrade if you prefer.
Scope
Variations

If you request changes during construction, the additional scope and costs are clearly documented and agreed with you before the work proceeds.


Testimonials
Why clients love working with DEMK

I want to say big thanks for Sage the owner of DEMK Constructions.
He is very knowledgeable of his job. and very trust worthy. He also do things very efficiency. also respond your messages and get thing done quick with a great result. I would recommend him to anyone building or renovating.
Chloe Lam


I would like to express my sincere opinion for the exceptional service and high-quality work provided by DEMK and their team throughout this project. We are thoroughly impressed with the results and truly appreciate the professionalism and attention to detail that was demonstrated at every stage. They are very honest in every commitment they do.
Salman Naqvi

The DEMK Team constructed an excellent bathroom renovation for us that was safe, functional and visually appealing. The result was a bathroom conversion that met all expectations. From the outset, DEMK's approach was friendly and professional. They took care to understand our requirements and design a bathroom layout that met those requirements within the available space. Happy to recommend DEMK's services !
We provide a turnkey building service from start to finish.
Final Inspection & Handover
Building
Discovery &
Site Assessment
We provide a turnkey building service from coordinating the required consultants, planning and approvals, defining a clear scope of work, and completing the project with final inspection and handover.
Aftercare Support
Design & Budgeting
Our building process
Turnkey Building Service
Permits &
Pre-Construction
Construction & Building
Final Inspection & Handover
Home warranty insurance
Added protection for your building investment.
For eligible domestic building projects over $20,000, DEMK Constructions arranges Home Warranty insurance as required in Victoria. This provides homeowners with additional financial protection if building work is left incomplete, faulty or non-compliant and the builder cannot or will not complete or rectify the work.
DEMK Constructions arranges Home Warranty insurance as required in Victoria, promptly after your building contract is signed, giving you added protection throughout your building journey.
If you’ve been left with an incomplete or defective project by another builder, DEMK can also help. Through our Insurance Rectification service, we can assess the existing work and help you move forward with the rectification or completion of your home.
Ideas, advice and building insights
Frequently asked questions
Areas We Service
Residential building and renovation services across Melbourne
Visit Our Office by Appointment
91 Bell Street, Coburg VIC 3058
Monday to Friday: 9am–5pm
From our base in Coburg, we work throughout Melbourne’s inner north, including Brunswick, Brunswick East, Carlton, Fitzroy, Northcote, Thornbury, Preston and Ivanhoe, where established homes often present opportunities for thoughtful renovations and extensions.
Our projects also take us across Melbourne’s inner east and south-east, including Richmond, Hawthorn, Kew, Camberwell, Balwyn, Flemington, Kensington, North Melbourne, Williamstown, Spotswood, Kingsville, Altona, Malvern and Brighton.
Whether you’re planning a major home renovation, adding more space with an extension or considering a knockdown rebuild, our team can guide you through the project from early planning to construction and handover.
To Melbourne’s west and north-west, we work with homeowners in Essendon, Moonee Ponds, Ascot Vale, Maribyrnong, Aberfeldie, Parkville, Newport, Footsrcay, Yarraville and surrounding suburbs, delivering renovations, extensions and custom homes tailored to the property, lifestyle and long-term needs of each client.

















