Ultra storage units:
The quality outdoor storage solution.

Our ultra-storage units are for the discerning client that is not happy with a traditional low quality garden ‘shed’ but requires a garden storage unit that has all the qualities and craftsmanship that we put into our other structures, that will look exceptional and complement its surroundings.

Ultra storage unitWe can manufacture a unit to any size or design when using our bespoke service, however we have a standard range available to order. The specification of standard units is as follows:-


Site specific foundations are designed for your ultra-storage unit, your ultra-storage unit will always have a vented space beneath it. This allows air to circulate underneath freely and ensures that the garden room will not be affected by any damp issues.

Structural walls and floors

Our ultra-storage structures are built in the traditional way. Unlike other manufacturers we only use C16 grade structural timber when constructing our framework walls. All our structural timber is pressure treated and Tanelith impregnated to ensure it will last for many years to come. We then increase the structural strength and ensure security by cladding the frame in construction grade OSB board.


We use ridged thermal insulation panels between the framework, then clad the internal walls with OSB board. By using thermal insulation we ensure the storage room will never suffer from mould, mildew, or fungi and it is unlikely the unit would ever suffer from freezing temperatures inside, so it makes it ideal for gardeners or people wanting to store cherished items.

Breather membrane

A breather membrane is incorporated into our multi-layered construction, this sits between the cladding and the timber frame. The membrane allows the natural moisture to pass through and escape to the outside of the building  allowing the materials used to breath but does not allow moisture to pass back through it and into the building.

Vented cavity

We provide a cavity between the membrane and the cladding, this allows the walls to be air vented, allowing any air from the building and walls containing moisture to escape and dispel naturally.

Timber cladding

We clad our Ultra-storage units with tanalised weatherboard cladding.

Roof covering

Ultra Storage UnitOnce again we use the latest technological materials, our roof covering is a 045 grade EPDM synthetic rubber membrane, this offers unequalled resistance to UV radiation, ozone and ultimately aging. It contracts and expands along with the building and in most cases can be laid seamlessly. EPDM requires little or no maintenance. EPDM can have a life expectancy of over 50 years.

Windows and doors

As standard all of our units have a white PVC external domestic grade door and frame, windows can be provided as an option if required.

Optional extras

You can choose from any of our bespoke options however the most popular are:-


Your unit can also be specified with the same high quality western red cedar timber cladding we use on our garden rooms and other structures as an extra cost option.

Full electrics

You can specify your unit to have a consumer unit, lighting and sockets.

Size Price (exc. VAT) Plans
3x2 £0.00 Download

We cover the following areas...

West Yorkshire Leeds, Wakefield, Huddersfield, Dewsbury, Pontefract, Castleford, Bradford, Halifax
South Yorkshire Sheffield, Barnsley, Rotherham, Doncaster
North Yorkshire York, Harrogate, Selby, Skipton, Northallerton
East Yorkshire Hull, Beverley, Goole, Grimsby
Rest of UK We supply our unique outdoor rooms to customers all over the UK