Three Bay Modular Buildings – Spacious, Flexible Solutions

A three bay modular building offers a larger, more versatile solution for projects where space, comfort, and speed of installation are key.

With increased internal capacity compared to smaller units, three bay configurations are ideal for organisations that need multifunctional areas under one roof. Designed for schools, businesses, community projects, and site operations, these modular buildings are manufactured off-site, delivered nationwide, and installed quickly with minimal disruption.

Pricing and Delivery

The starting price for our standard three bay modular building includes delivery and installation within a 50-mile radius of WS9 8ET (Walsall, West Midlands).

For projects beyond this radius, we provide competitive delivery and installation across Great Britain. Prices vary depending on location, specification, and bespoke configuration.

Prices start from £25,839

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3 bay top view
3 bay side one
3 bay side two
3 bay front
3 bay back

Practical Uses of a Three Bay Modular Building

With its extra space and adaptable layout, a three bay modular setup is the ideal choice for a wide range of applications, including:

  • Education – larger breakout classrooms, training rooms, or dedicated teaching spaces
  • Business – receptions with meeting rooms, open-plan offices, or staff kitchens and welfare areas
  • Construction & Industry – project offices, changing rooms, or combined welfare and administrative facilities
  • Community & Public Sector – waiting areas, council service hubs, or multipurpose community rooms
Interior of a modular building with white walls, grey flooring, ceiling lights, and large windows allowing natural light to fill the space.
White modular building with green roof trim, large windows fitted with shutters, and a glass entrance door, installed on a concrete base with grass in the foreground under a pink sunset sky.
White modular classroom building made from three connected units with multiple doors and windows, situated on a school field with a paved path leading to the entrance.
Dark grey modular nursery building with large floor-to-ceiling windows and small side windows, installed on a grassy site surrounded by trees and fencing.
Interior of a modern modular classroom with large floor-to-ceiling windows, white walls, grey flooring, and a small kitchenette area near the back.

Specifications at a Glance

  • Length: 6.055m | Width: 7.335m
  • External Cabin Height: 2.591m
  • Internal Floor to Ceiling Height: 2.340m
  • Parapet Height: 0.87m above floor level (FOK)

Internal Finish

  • Walls: Coated steel sheet (white)
  • Ceiling: Plasterboard with coated steel plate (white

Insulation

  • Walls: PU foam 60mm
  • Roof: Mineral wool 100mm
  • Floor: Mineral wool 60mm

Not sure if a three bay modular unit suits your project?

Our expert team can provide advice and guidance on specifications and sizing, and you can also explore our two bay, four bay and five bay modular options to find the perfect fit for your needs.

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Six office windows with tilt-and-turn mechanisms and lockable aluminium roller shutters. Window glass is insulated with a gas filling.

  • External dimensions: 945 x 1200 mm
  • Window opening clearance: 821 x 1076 mm

Two external outward-opening steel doors.

  • Standard dimensions (width): 875 mm
  • Light passage width: 811 mm
  • Light passage height: 2065 mm

For details on additional fittings such as lighting, electrical systems, heating, or ventilation, please get in touch with our team.

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Begin Your Project Today

Are you ready to transform your vision into a modern modular space?

With S Jones, you are in safe hands. No project is too big or small – our team of experts will guide you from concept through to installation.

Start your modular building journey today, request your free quote now. 

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What Our Customers Say

Patrick26th November 2025

Unfortunately our delivery was delayed by several hours but the driver made up for lost time, he was very polite and proffessional and sited the container inch perfect.

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I was treated extremely well they took care of what I needed without any fuss.

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I cannot thank the staff at S Jones Containers enough. Everyone I spoke to went over and above to help. The containers were ordered and delivered in a very timely manner. We were kept informed at all times. The containers arrived at the time expected and were very easy to install. Thank you to everyone at S Jones Containers. I would highly recommend this company, it was a pleasure doing business with them.

Christine1st August 2025

Shazia was helpful from my first enquiry to the delivery of my container. She sorted any query and enabled me to buy exactly what I was looking for. The driver who delivered container was also a credit to his company. Nothing was too much trouble and everything done with a smile .

Phil20th June 2025

Got in touch with Shazia at the depot she organised everything delivery was a bit worrying as the area was tight but the delivery guy was amazing and got them exactly where we wanted them ,, all a very good service provided