Four, off the shelf, stylish, highly insulated structures from Building with Boxes. Simple designs that work. Choose the perfect Box to match your needs.
  • Practical
  • Stylish
  • Versatile
  • Highly Insulated
  • Thermally efficient
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Our Box Options

A simple choice of four timber clad Box sizes are available flat packed, off shelf ready for delivery. Pre-cut and fully designed SIPS panels come with all the components to complete the build using an experienced trades person. Built as well as our houses and combining aspirational design with quality, our Boxes provide stand alone contemporary structures, offering bespoke lifestyle solutions. A full list of components can be seen further down the page. Off the shelf designs are supplied in a shorter time, but elements of change can be discussed . Supply only or supply + install is available dependent on location.

Micro Box:
4.8m2 (Internal)

A compact space, ideal for an office / study or hobby / craft studio. The high performance double doors provide light and give secure easy access at the front of the box. The window can be positioned on any of the three other walls. ** Extra windows are available.

Kit Price £5,850.00 + Vat
Modus Box:
7.3m2 (Internal)

Offering a well proportioned room for a multitude of uses. From a larger office / study to a quiet place to relax in or create space to follow up your hobbies in such as a fitness room or music room. The Modus Box space gives you added flexibility, allowing you to free up rooms in your home. Extra windows are available and the doors can be re positioned if required.

Kit Price £9,250.00 + Vat
Max Box:
10m2 (Internal)

A practical space giving you extra room for a couple of office desks, fabulous space for a beauty room a gym or fitness studio, kids play and gaming zone or simply add extra sleeping space for occasional visitors. Extra windows can be added to maximise views and light and the double doors can be repositioned if required.

Kit Price £11,720.00 + Vat
Mega Box:
12.8m2 (Internal)

The ultimate space ! Escape from drum kits and band practice. Create a kids playroom or cinema room/ gaming zone. Need an art studio / hobby room with space for materials and work in progress or extra space for a home business? Extra windows are available and doors can be repositioned if required.

Kit Price £13,570.00 + Vat
Window Options

Each Box comes with a double glazed sliding door and one window (either W1 or W2) included in the kit price.

If you want to maximise light/view why not add an extra window (or more) for £350+vat each.
Windows can be placed on any elevation where there is a panel.

W1-Top hung landscape window
W2-Side hung portrait window
W3-Static non opening full length window All windows include Trickle vents.

Each structure is designed for style ,functionality and longevity. The Boxes are pre fabricated with enhanced energy performing structural insulated panels (SIPS), designed with fire risks in mind, have a cavity and rain screen cladding along with thermally efficient double glazed windows and doors providing comfort and security. The Boxes also come with an electrical kit & brushed chrome sockets and lighting. These levels of quality, design and finish make our Boxes a product that can achieve building regulation approval for use as an extension or residential occupancy . As a structure not exceeding 2.5 metres high, planning permission will not be required in many situations

A fully comprehensive package of components for your complete Box build. You will need to have the relevant ground works pre prepared. The delivery will come in one load with all the items, designs & fixings included…
  • Floor panels and timbers, battens internal + external.
  • Shell SIPS panels pre cut + numbered.
  • EDPM rubber roof with glues, trims and sealants.
  • High performance double glazed alu windows and sliding doors.
  • Cladding – 140mm Kiln Dried Siberian Larch cladding for 3 sides.
  • Cement Render board for the rear of the build & paint.
  • Plaster board internal wall & internal finishes.
  • V groove routed panel boarding if required.
  • All cables and sockets supplied as a kit.
  • Drawings and details for the completion of the build are provided.

**A fully qualified electrician will be needed to wire and install electrics.

For installation of one of our boxes we recommend either using ourselves or an experienced team with good carpentry skills, knowledge of ground work and an understanding of ground condition’s. A fully qualified electrician will need to wire and install electrics. Prices of the boxes do not include delivery or installation. Delivery is subject to location.

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