20ft x 12ft Heavy Duty Pent Garden Shed

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This is the largest shed in the range, with so much floor space that you'll be delighted at its many and varied usages. The 20ft x 12ft Heavy Duty Pent Shed, is a dry environment, spacious and sturdily built with tongue and groove roof and flooring.

Traditional skills are used in its construction, coach bolts and galvanised nails replace pins and staples while chipboard is dispensed with in favour of timber. The roof felting is predictably high quality and will ensure that everything inside remains perfectly dry.

There is 2 inch framing and cross bracing to ensure robustness and earn this shed its 'heavy duty' tag, enough to strengthen the shed's resolve when battling against high winds and bad weather.

Handsome shiplap timber clads the shed in eye catching fashion and three Georgian style joinery windows are an interesting feature. They let light into the interior, so working inside is made a lot easier, and one opens to create a pleasing flow of air.

To enter the shed there's a standard 3ft single door braced for strength and fitted with zinc hinges and a rim lock, but double doors are an option you might choose.

Heavy Duty Pent Shed Features:

  • Glazed with 3mm horticultural glass
  • Shiplap cladding
  • Tongue and groove roof and floor
  • Joinery windows
  • Zinc coated hinges
  • Base coat treated with high quality preservative, with antifungal treatment
  • Traditional coach bolt assembly (no pins or staples) 
  • Galvanised nails
  • No chipboard
  • High quality heavy duty roofing felt
  • Rim lock and door knob
  • All framing corners are rounded off

20ft x 12ft Heavy Duty Pent Shed Dimensions:

  • Nominal size: 20ft width x 12ft depth (6.09m x 3.66m)
  • Framing: 50mm x 50mm (2ins x 2ins)
  • Eaves height: 1937mm (6ft 4ins)
  • Ridge height: 2153mm (7ft 1in)
  • Georgian windows: 610mm x 457mm (2ft 0ins x 1ft 6ins)
  • Door: 1880mm x 914mm (6ft 2ins x 3ft 0ins)
  • Floor Cladding: 12mm
  • Wall Cladding: 12mm

Select Your Options

Delivery Options

  • with Standard Mainland UK Delivery

  • with Delivery to the Highlands of Scotland



  • with Installation (optional)


Pressure Treated Bearers

  • with Pressure Treated Bearers (optional)


Door Options

  • with Single Door

  • with Double Doors (optional)


Delivery Info

FREE Mainland UK Delivery*

*These prices include delivery anywhere within mainland UK except for the Highlands of Scotland with the following postcodes; KW, IV, AB, PH, PL (With the exception of a 10 mile radius of Perth), PA (With the exception of Paisley and Greenock). These areas will be subject to a further cost.


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£3,240.00 inc. VAT