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Coastwide Building

Home: Welcome

About Us

Company Story

John Underwood is the registered licensed Builder trading as Coastwide Building.  An accomplished registered builder for over 40 years  

During this time  he has worked extensively in residential housing, commercial, and high rise construction. 


With extensive knowledge of the building industry Project Manager and independent consultant.

John has built residential award winning housing developments on the Gold Coast and in Brisbane. His background and experience enables him to provide informative and valuable insight when undertaking building projects.


Licence Number

QBSA LIC 10841

Area Coverage

We offer our building services to the entire Gold Coast and Brisbane.

As a client you will be provided with professional service, a commitment to supplying you with honest feedback, and service based on your individual requirements.




© Coastwide Building

Contemporary Australian Home
Colonial Sandstone Cottage House
Scandinavian Style Dining ROom
Buying a House
Grey Bedroom
Apartment Buildings
Home: About Us

Our Aim

Quality & Care

What sets Coastwide Building apart is our commitment to superior quality. All of our job are serviced with highly skilled professional staff that will your enhance your project with utmost detail and care. Whether you need a small job done or you’re thinking of starting a bigger project, just let us know what you need and we’ll deliver.

Our Aim is to provide prompt, efficient, professional high quality projects. We will deliver a high quality product on time and within budget.

Coastwide Building would like to be part of making your dream become a wonderful experience, and reality.

Building Plans

New Home Build

Customized for You

We understand the importance of picking the right company that’s experienced, dependable and affordable. With this service and our many others, we have the tools and experience to get the job done with the highest standards and at the best price. Let us know how we can help with your needs.

Construction Services

Of the Highest Quality

Coastwide Building has loads of experience with this service, using respected & trusted material suppliers.

Our professional and experienced knowledge will help to get your unique project delivered on time and within your budget.  

We work with you from start to finish and  strive to provide great customer service and always keeping the communication channels open so you understand the progress of your job at every phase.

Meeting Between Colleagues
Home: Services

Our Services

Quality & Care

Coastwide Building is a building & renovation service located on the Gold Coast. John Underwood is the licenced builder for Coastwide Building .

As a licensed builder with over 40 years experience on the Gold Coast  we have a blemish free building history, which can be confirmed on the BSA website.

Our aim is to ensure that the client receives professional service and a quality product.


Services we offer:

  • Custom House construction

  • Home Extensions

  • Home Renovations - Bathroom and Kitchen specialist

  • Professional Project Management

  • Insurance on all jobs



  • On time and within budget

  • Superior trades

  • Attention to detail

Man Measuring Window

New Builds, Extensions, Alterations and  Renovations

Customized for You

Beautiful homes need professional project management and excellent trades and  John always delivers both these essential things to ensure a finish you will be very pleased with.  

We work within your budget to bring you the best finished product ensuring quality, craftmanship, and experience to give you peace of mind.  


Bathroom & Kitchen Renovations

Of the Highest Quality

Coastwide Building have a reputation for bringing you respected brands and trusted material providers. We offer professional and experienced help with selecting products for your project, helping to match your unique needs and budget. We strive to provide great customer service and clear communication so you can understand the progress of your job at every phase.

Home: Services

Building for Today

Professional Quality Large and Small

New Houses

Craftmanship at its Best

With different sizes and styles available to choose from, creating a uniquely personalized product is our specialty.  We build  what you want with high quality products.

  • Customised House Construction

  • Building Renovations

  • Building Extensions

  • Alterations 

  • Insurance Work

  • Colour and Product Selection

  • Colour Selection Boards


 Let us know what you need, and we’ll make it happen.

Service Standards

Our Service Policy

  • Professional Project Management

  • Attention to detail

  • We deliver an on time and on budget project

  • Customer satisfaction

  • Of course quality materials and superior trade contractors

  • Keep you informed every step of the way

Hand Holding Color Swatches

Out door areas - Not a problem
Pergolas & Gazebos,  Porches & Decks

Customised Service- talk to us today

Home: Products
Home: Contact
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