Concrete Shed Bases with Installation 8ft X 6ft, 8ft X 8ft, 8ft X 10ft. 8x6 - £550 8x8 £650 8x10 £750 10x10 £850 10x12 £950 incl. labour, waste removal & materials. Other sizes available, please contact us if you are interested in a different sized base! Create a sturdy foundation for your garden shed with this Concrete Shed Base with Installation. Measuring 6ft x 8ft and 100mm in depth. Crafted from high-quality concrete, this fixed installation type is not only frost-resistant but also durable and long-lasting. This shed base is the perfect choice for those looking for a reliable and sturdy foundation that will withstand the test of time.