Builders of Heavy Duty Sheds in South Wales

Each of our heavy duty garden sheds are built to last and to order with 100% pressure treated timber

All of our heavy duty sheds come with the following as standard -

  • 20mm thick Redwood tongue and groove cladding
  • 45mm x 45mm (2″x 2″) structurally graded chunky framing timber
  • All of the timber we use is pressure treated for ultimate longevity
  • 18mm Marine grade hardwood plywood floor
  • Damp course to stop wood rot from below
  • 12mm Marine grade hardwood plywood roof with heavy mineral felt or rubber roof covering
  • 45mm x 95mm (4″ x 2″) structurally graded roofing joists
  • 3 / Galvanised heavy duty 400mm (16″) Tee hinges on each door
  • Galvanised 150mm (6″) heavy duty pad lockable sliding bolt
  • 1 or 2 600mm x 550mm window as standard
  • Free Delivery & Installation (within 20 miles of workshop 
16x8 bespoke apex shed

If you are looking for heavy duty garden sheds in South Wales then you have come to the right place. All of our sheds are hand crafted and are truly built to last with pressure treated 20mm thick chunky cladding and 2 x 2 inch thick pressure treated framing timbers. We choose only the hardest wearing materials on each and every one of our garden sheds. Our aim is to ensure we provide our customers with a well built, made to last shed that will last for decades not just for years.

Don’t mistake our heavy duty sheds for the cheap flimsy ones that can be bought online! The materials and construction techniques we use far outshine what can be bought cheaply. Buy cheap buy twice, buy superior and it will last for life!

Our extensive range of styles and sizes coupled with our ability to build bespoke sheds to the specific size and shape you require ensures we can create the ideal, long lasting shed that suits your requirements.

10x6 pressure treated shed

Reasons you should buy from us

20mm Premium Redwood Cladding

2" x 2" C16 heavy duty framing timber

All Timber Is Pressure Treated for ultimate longevity

18 mm marine grade Plywood Flooring with DPC

12mm marine ply roof with HEavy Duty roofing Felt or rubber

unrivaled customer service and after care

full Delivery & Installation service

standard & made to measure available

All of our sheds are built with our unique 20mm thick pressure treated tongue and groove cladding
Heavy Duty Sheds Bridgend Area

A bespoke shed from Superior Sheds Swansea Ltd (South Wales) allows you complete customisation from style, size and ironmongery to treatment, windows and security options. Bespoke, made to measure sheds and outdoor buildings such as summerhouses and garden offices are our specialities. We have a great deal of experience of understanding our customers’ requirements and producing a building that suits their needs.

We offer a free delivery and construction service on all of our garden buildings in Swansea, Neath, Llanelli, Carmarthen, Port Talbot and all surrounding areas. We do serve other areas of South Wales such as Bridgend & Cardiff on set days of the month. Please do not hesitate to get in touch if you require delivery further afield. 

Superior Sheds Swansea Ltd
Your number one choice for bespoke, high quality garden sheds in South Wales!

All of our timber comes from FSC or PEFC certified suppliers


At Superior Sheds Swansea Ltd we believe in looking after the environment. Trees are vital to combating climate change due to their amazing ability to soak up carbon dioxide. It if for this important reason that we buy all of our timber products from sustainable plantations that are replanted after they have been harvested.

The FSC & PEFC schemes ensure that all timber is tracked from the moment it is cut down until the moment it is sold to the end user. Ensuring that no endangered species of tree finds its way in to the supply chain.