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Overview - Pronghorn Structures Ltd
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We offer a totally unique cost-effective solution that will transform your garden not only visually for years to come but also in the way you use the space. Whether you want a home office, gym/yoga pod, or even a cinema room we can create your dream Garden Room. With a free site survey from one of our experts, why not get in touch today!

The Structure

Our fully galvanised steel frame offers not only a super long-life expectancy but also the assurance you will have a mega strong structure that will last a life time. And because of the way we prefabricate our structures we minimise the time on site saving you days if not weeks of tradesman and disruption to your everyday life.


The Cladding & Decking

Using Hyperion Composite Cladding & Decking as standard means you don’t need to worry about rot, infestation or even fading. Hyperion® wood-polymer composite cladding (WPC Cladding) is made from 60% recycled wood (FSC® 100% Certified) and 40% recycled High Density Polyethylene, environmentally gentle bonding agent, additives and tint. Saving these materials from landfill, giving them value and recycling them into a long-life product, provides a harmonious solution to sustainable living.  The highly versatile Hyperion® Cladding comes with 15 year limited residential warranty against splits, splinters, rot and fungal decay. This low maintenance solution is therefore the perfect choice for your Garden Room which is available in a variety of colours, please see below (call us today for a free sample pack) . We do also offer a FSC Certified Western Red Cedar Cladding which offers a beautiful finish to any garden room.


Hyperion Composite Cladding Options


silver birch
Silver Birch


We use the market leading Kingspan Insulation in all our Garden Rooms giving you use 365 days of the year


Doors & Windows

We only use superior UPVC Double Glazing Doors & Windows


Internal Walls & Ceiling

Our internal walls are fitted as standard with premium soft touch UV stable melamine faced chipboard, which is available in a range of finishes. Versatile, easily cleaned, and will not discolour over the life of your garden room, this is the perfect material to be used. If you would prefer fully plastered walls and ceilings these are available as an upgrade.


The Roof

On our Roof we use ClassicBond® EPDM, this is the original EPDM roofing system with a proven track record of over 50 years’ service life. Recognised as one of the most reliable, durable and sustainable materials, this is a great choice for our flat roofs. ClassicBond is manufactured by Carlisle-Syntec who pioneered EPDM roofing systems in the 1960’s. BBA Certified & preferred by roofing professionals, ClassicBond is tangibly more pliable, slate grey in colour and is the ideal EPDM rubber roof covering for both large and small flat roofs.


Electrics & Heating

All of our garden rooms come with indoor spot lights and outdoor PIRlights as standard with a brushed chrome finish, with matching sockets and switches to give you that high end finish you deserve.

We offer a stylish Electric Wall Mounted Radiator with the correct KW to heat your garden room, even in the colder months. This radiator has a highly accurate electronic thermostatic, advanced controls with cap-sense technology for total flexibility of heating, convected heat for rapid warm up & radiant heat for added comfort. This is an advanced electric radiator with incredible performance and stylish looks.

Due to the way we insulate our garden rooms for all round yearly use, we fit a silent fan that is connected to your inside lights to help circulate the air as standard. This enables you to adapt your garden room for a range of uses. So whether you would like a place to work or to exercise… or more, the choice is yours!


15 Year Guarantee

All of our Garden Rooms are 100% maintenance free and come with a comprehensive 15-year guarantee with a life expectancy of well over 50 years, giving you many years to relax and enjoy the new addition to your home! To find out more about our guarantee please see our Terms & Conditions…