Shipping container modification and repair is a Boxman specialty

Container modifications: If you can dream it - we can build it.

Container modifications and customisation can be as simple as adding a window or door, painting the container with your company branding, or as complex as building fully fitted out housing units, portable bars and medical clinics.

Ultimately if you can dream it up, and you've got the budget, we can modify and build it. Boxman has a team of engineers focused on turning your ideas into a reality. Container modification is a strength of our business we take great pride in, so please contact us with your container modification ideas.

This page illustrates some simple shipping container modification and customisation options, as well as some of the more complex projects we undertake. To see some of Boxman's branded and sign-written containers and trade show container ideas, please click here.

Container modification benefits

Because of their uniformity and robustness,
shipping containers are ideally suited as
building blocks for all types of accommodation
and construction projects.

  • Portable and built to last
  • Wide range of lining options
  • Almost unlimited possibilities.

Boxman's container modifications and customisation gallery

Container modification - some of our more complex projects

Boxman have undertaken some very complex and high-end container modification projects over the years. Here you can view a summary of some of our container modification projects and download a pdf containing full details and more images if you are interested.


NZ Merino show container

Boxman modified and created this display container for The New Zealand Merino Company, with a drop down side and awning.

  High end accommodation unit 

Our part in this project involved the steel work, fitting of windows and doors, some interior walls and building the innovative fold up decking base.

  The Muscle Farm

Our part in this project involved the basic steel work and cutting very accurate holes for the windows and doors.

Construction toilet block

The brief from the client was to provide a functional on-site toilet unit for their construction staff.



Tanson Builders

The brief from the client was to provide two compact bathroom units for their workers on building sites.

  Seresin Estate accommodation

The brief from the client was to provide comfortable semi-permanent accommodation for their office staff located at their vineyards in Marlborough.

  NZ Post container post boxes
Boxman created this compact postal facility, adding the post boxes and internal access, plus insulation, linings and electrical fittings.
  Branded containers, promotional containers and trade show display containers.
For information and ideas to promote your business, please see our branded containers page.


Container modifications and repairs - the basic options


Fit a door or ranch slider

We fit all types of standard doors, ranch sliders or roller doors, all of which can be placed behind the container doors for security.

  Full side opening doors

Full side opening doors can be built from scratch and fitted to the side of your container.

Recessed door with seals

A recessed personnel access door with weather seals can be added.

  Custom paint colours

We can repair and repaint your container as well as add company branding on new containers. View colour options.


Security bars and lock-boxes

Adding a lock-box to the doors of your container provides extra security at minimal additional cost.

  Windows and openings

Windows are relatively easy to fit to a container, and are surprisingly cost effective.

  Toilets, sinks and showers

A full bathroom can be added to your container, and we can build portable toilet/shower blocks.

  Shelving and cupboards

We can create a basic office unit, and provide shelving, cupboards and workspaces within a mobile workshop.


Converting a shipping container into a portable office unit

The most basic options involve the fitting of windows and doors into an unlined (non-insulated) steel container with no electrical work, all the way up to a fully lined, fully fitted out, air-conditioned office unit.
Pricing is entirely dependent upon specification, and likely to range from a very basic $5,000 model, up to $20,000 and sometimes more.



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