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Modular Offices & Portable Office Buildings

Flexible modular offices, portable office buildings and temporary office space designed to provide practical workspace wherever it’s needed.

TF Jackson supplies modular office buildings, mobile office units and site offices that can be delivered quickly and configured for businesses, construction projects and operational facilities.

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What are Modular Offices?

Modular offices and portable office buildings provide workspace that can be delivered and installed quickly. A portable office is typically a single unit, while modular office buildings combine multiple modules to create larger office layouts.

Portable office

They are commonly used as:

  • Construction site offices for project teams
  • Temporary office space during refurbishment or expansion
  • Mobile offices for operational or infrastructure projects
  • Site offices for industrial or logistics environments

Whether you need a single portable office or a larger modular office building, modular construction provides flexible workspace that can adapt to your requirements.

Modular Offices VS Traditional Construction

Traditional office buildings are constructed entirely on-site, which can extend project timelines and create disruption during the build process. With modular offices and portable office buildings, much of the construction takes place off-site in a controlled manufacturing environment.

This allows modular office buildings, site offices and temporary offices to be delivered and installed far more efficiently once your location is ready. 

Portable and modular office installation

Key Benefits of Modular Offices

  • Faster delivery of office space compared with traditional construction

  • Lower disruption during installation

  • Flexible office layouts to suit different operational requirements

  • Greater cost certainty through controlled manufacturing

  • Future expansion capability as your workspace needs change

Whether you require a single portable office, a temporary office, or a larger modular office building, these solutions provide a reliable and adaptable way to create professional workspace.

Modular and portable office configuration

Modular Offices for
Different Requirements

Different organisations use modular offices and portable office buildings to support different operational needs. You may need a single portable office unit for immediate workspace, or a larger modular office building to accommodate growing teams or project staff.

Typical modular office solutions include:

Portable office

Portable
Offices

Provide your team with immediate workspace on construction sites, industrial locations or temporary project environments.
Modular office building

Modular Office Buildings

Create larger office facilities by combining multiple modules to support management teams, operations staff or project coordination.
Mobile modular office building

Mobile
Offices

Relocate your office space as projects move, making them ideal for infrastructure, utilities and construction environments.
Temporary portable office building

Temporary
Offices

Add flexible workspace during refurbishment projects, site expansions or short-term operational requirements.

These solutions allow you to establish site offices and operational workspace quickly, while keeping the flexibility to expand or reconfigure your office layout as your requirements change.

Delivery & Installation for Modular Offices

Modular offices and portable office buildings can be delivered through a structured installation process. Because much of the construction takes place off-site, office units can be manufactured while site preparation takes place, helping to reduce overall project timelines.

A typical modular office project follows these stages:
Modular and portable office planning and design

Step 1 -

Planning & Design

Working with you to define the office layout, specifications and space requirements for your modular office building.
Portable and Modular office manufacturing

Step 2 -
Manufacturing

Portable office units and modular office buildings are produced in a controlled manufacturing environment.
Modular and portable office delivery

Step 3 -
Delivery

Completed office modules are transported to your site once the location is prepared for installation.
Modular and portable office installation

Step 4 -
Installation

Units are positioned and connected on site to create fully functional site offices, temporary offices or modular office buildings.
Modular and portable office project completion

Step 5 -
Project Completion

Final works are completed, and the office space is prepared for operational use.

This approach supports:

  • Faster installation timelines
  • Predictable delivery schedules
  • Reduced disruption compared with traditional office construction
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Modular Office Buildings Delivered Across the UK

TF Jackson has delivered modular offices, portable office buildings and site offices for organisations across a wide range of industries. From corporate headquarters to operational facilities, modular construction provides a practical way to create professional workspace quickly and efficiently.

The projects below show how modular office buildings and portable office units have been used to provide reliable workspace for different organisations.

Eddie-Stobart portable and modular office space

Eddie Stobart –
Appleton Thorn

Project challenge
Eddie Stobart required new executive office space at its head office in Appleton Thorn.

Modular solution
TF Jackson supplied and installed a thirty-two-bay modular office building designed to create modern office accommodation within the existing operational facility. The building included internal partitions, glazing and a feature oak staircase.

Delivery timeline
Modules were delivered and installed efficiently at the client’s service support centre.

Outcome
The completed building now provides a high-quality executive office environment supporting the company’s operational teams. 

 

Portable and modular meeting and office space

Eddie Stobart -
Dagenham Depot

Project challenge
The Dagenham depot required additional meeting and office space to support operational staff.

Modular solution
TF Jackson supplied a modular building configured as a meeting room and operational office facility, including a kitchen area and toilet facilities.

Delivery timeline
The modular unit was delivered and installed ready for immediate operational use.

Outcome
The new modular office space provides practical workspace for meetings, planning and operational coordination at the depot. 
Birmingham-Solihull-Mental-Health-NHS-Trust-modular portable office

Birmingham & Solihull Mental Health NHS Trust

Project challenge
The organisation required a new building to support its IT service and repairs team.

Modular solution
TF Jackson supplied a twenty-bay modular office building designed to provide open-plan workspace for the department.

Delivery timeline
The building was delivered and installed efficiently, allowing the organisation to bring the facility into use quickly.

Outcome
The completed building now provides a functional office environment for technical teams, supporting ongoing operational activities. 

Portable Offices Available from Stock

If you need additional workspace quickly, TF Jackson can supply portable offices and modular office units available from stock, helping you secure office space without the lead times associated with a full modular build.

Depending on availability, options may include:

  • New portable office units ready for delivery

  • Used portable offices offering a cost-effective alternative

  • Site offices available from stock for rapid deployment

  • Temporary office units suitable for short-term workspace requirements

Where suitable units are available, portable offices can often be delivered within short timeframes, allowing you to establish site offices or temporary office space as soon as possible.

View Available Units Explore Used Portable Offices
Portable and modular buildings in stock

Modular Office Manufacturing & Build Quality

Key technical considerations include:

  • Structural durability designed for long-term commercial and operational use

  • Consistent manufacturing standards achieved through controlled production processes

  • High-quality materials including steel frames and insulated wall panels

  • 60-minute fire-rated construction supporting safety and compliance requirements
  • Reliable modular systems suitable for repeat manufacturing and multi-unit office buildings

This focus on engineering quality helps ensure your modular office building or portable office unit performs reliably over time, whether used as a single site office or as part of a larger modular office layout.

Download Modular Office Technical Specifications
portable modular building under construction

When choosing modular offices or portable office buildings, build quality and structural performance are important considerations. TF Jackson manufactures modular office buildings designed to provide reliable performance in commercial, operational and site environments.

These buildings are engineered using high-grade steel frames and 100mm insulated panels with 60-minute fire ratings, helping ensure durability, safety and long-term performance.

site-accomodation-ebook-cover

Modular Office Resources

Access practical resources to help you plan and evaluate modular office buildings and portable office projects.

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Purchase and Payment Options for Modular Offices

A modular office building or portable office unit can be purchased in different ways depending on the scale and requirements of your project.

For larger projects, payment structures are typically aligned with key stages of the project, such as manufacturing, delivery and installation.

Options may include:
New modular office buildings

New modular office buildings manufactured to your specification

 
Portable offices in stock

Portable offices available from stock for faster delivery

Modular and portable buildings meeting

Structured purchasing arrangements for larger modular office projects

Modular and portable buildings agreement

Finance options through recommended providers, allowing project costs to be spread over time

 

FAQs

Need Help?

Can’t find what you’re looking for?
Our experienced team of experts is here to help, whatever the scale of your project.

Are Your Modular Buildings Standard Sizes Like Shipping Containers?

TF Jackson modular buildings are manufactured using standard unit sizes of 20ft x 8ft and 10ft x 8ft, which align with the dimensions of ISO shipping containers.

This standardised approach allows units to be:

  • Connected end-to-end or side-by-side

  • Configured into larger buildings

  • Designed as open-plan spaces or with internal layouts tailored to your requirements

Using consistent unit sizes also helps ensure predictable installation, transport and integration across different site environments.

Start Your Modular Office  Project

If you need modular offices, portable office buildings or temporary office space, the TF Jackson team can help you identify the most suitable solution for your organisation.

Whether you require a single portable office, flexible site offices for a project, or a larger modular office building, modular construction provides a practical way to create professional workspace that can adapt as your requirements change.

Speak to our team to discuss your project, explore available office options or request a quotation.

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