Swallow GB

01709 701 999


The Mallard has a larger gable width and is also available in three standard lengths. The greenhouse below was sited on a dwarf wall*. However as standard the building is constructed upon a boarded base. Guttering and two front returned stagings are supplied as standard with this model. * Dwarf wall cannot be constructed by Swallow (GB) Ltd. We will forward a base plan for the greenhouse upon receipt of the order.


Width Length Options No. of Vents
2660mm (8'9)
3516mm (11'6)
4838mm (15'10)
6095mm (20'0)
Other Lengths are available

The Mallard range is also available with the following extended porch dimensions

Width Length Options No. of Vents
2035mm (6'8)
1373mm (4'5)
2000mm (6'6)

Other Dimensions

A: Width
2660mm (8’9)

B: Length
Various (see table above)

C: Eaves Height
1730mm (5’8)

D: Ridge Height
2660mm (8’9)

E: Door Opening 
551mm (1’10)

F: Door Height
1940mm (6’4)

G: Porch Width
2035mm (6’8)

H: Porch Length
742mm (2’5)



  • The redwood pine glazing bars are 58mm x 32mm finished size.
  • All boards are 12mm finish tongued and grooved and fixed with stainless steel nails.
  • All the timber is thermally modified.
  • The inward opening door has a mortise lock and aluminium handles.
  • Glazing is toughened safety glass.
  • All the glazing is slid into a groove and sealed with quality silicone.
  • All the cut shapes are jointed with a clear plastic H section.
  • Each roof vent has an Automatic opener.
  • Staging across the front 
  • There is a specially turned apex finial for that classic look.
  • The ridge and top vents are sealed with a specially machined timber capping.
  • 25mm black PVC damp barrier screwed to the base.

Accessories & Finishes

We also have a number of optional extras. Click the buttons below to see additional details…