An Ecobase Fastfit plastic shed base kit suitable for 6ft by 3ft garden sheds.

Simple to install, the 6x3 plastic shed base can be placed straight onto grass, dirt, decking, patio or any other hard standing surface and provides a solid raised base for a garden shed, summerhouse, playhouse or garden building.

Provided as eight 50cm square grids, each grid is easily secured together using the self-fastening connectors. They're a cost-effective solution as they're lightweight and compact enough to be delivered straight to your home and can easily be installed, extended or moved around as and when needed within your garden.

A water-permeable membrane is included as standard which is designed to be placed underneath the base to allow drainage and to inhibit the growth of weeds.

The inner cells can be filled with gravel, concrete or a mixture of both. Concreting the corners of the Ecobase will allow a solid place to anchor your building down if required. Wooden sheds with integral floors are usually heavy enough to place down directly on top of the grid without any anchorage, providing a long-lasting, durable and practical surface.

Key Features

  • Provides a Firm Foundation for Sheds & Summerhouses
  • Includes 8x 50cm Grids which Easily Slot Together
  • Includes Water Permeable Membrane Sheet
  • Simple Self-Fastening Connectors
  • Rot Proof, Reusable, Extendable and Non-Toxic
  • 100% Recycled Plastic
  • Made in the UK


Base Size: 2m x 1m
Brand: Swift Ecobase
Gravel Capacity Per Grid: 18kg of 10mm Pea Gravel (40lb)
Inner Cell Size: 7cm x 7cm ( 2.8in x 2.8in)
Load Capability: 300 Tonnes per m²
Material: Plastic
Nominal Size: 6ft x 3ft
Shed Types: Accessory
Single Grid Depth: 50cm (1ft 8in)
Single Grid Height: 4cm ( 1.6in)
Single Grid Weight: 1.4kg (3lb)
Single Grid Width: 50cm (1ft 8in)


Delivery Information

Fast Free Delivery within Mainland England and Wales.

Delivery to Scotland is inclusive up to and including Glasgow and Edinburgh but not above.

All DD, KW, IV, AB, PH, PA and Offshore Islands will incur a separate delivery charge.

In some cases, we can even deliver outside the mainland e.g. Channel Isles and arrange the VAT element for you. In all instances please contact us today for a personalised quote.

Separate Delivery

If purchased with another product e.g a shed or summerhouse, your Ecobase will be delivered separately via a different courier and will generally arrive before your structure so that you may set it up in place beforehand.

Ecobase Sizing Compared to Sheds/Structures

As Ecobases are made up of 50cm square grids and due to garden building sizes not being made to half-metre/one-metre measurements, some overhang of the base may occur around the edges of your structure.

Customer Reviews

Overall Rating 5 / 5 Based On 1 Reviews

Delivery 5 / 5
Quality 5 / 5
Price 5 / 5

A great base solution

This works great, exactly what I expected. It fits together well. The thing I found hardest was digging out the ground completely flat and level to lay out on- there must be a knack to getting it even! But got there in the end and the shed is sitting on it great.

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