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Square

Square & Rectangular Cast Iron Downpipes

Square and rectangular cast iron downpipes are generally less common than their round counterparts. However, they pair beautifully with the sharply featured, decorative moulded ogee profile gutters. Together these make them a great choice for projects that require a distinctive architectural style. Their unique shape can enhance the overall aesthetic of a building, adding a distinctive character while still providing effective drainage. As such, they are often selected for use in traditional and period-style properties, and where attention to detail these is key.


Selecting ‘One of 6 Standard CI RAL colours TBC’?

Choose from the 6 Standard CI RAL colours here then place your order online and we will call you to confirm the colour required. ▲

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Read about the Benefits of Cast Iron Guttering on our blog

Take a look at our Cast Iron case studies and customers’  images gallery.

If you are interested in this range but don't find the size or specific component you need, please call the office on 0800 644 44 26

PLEASE NOTE: These items (other than those stocked – i.e. marked Next Day Delivery) are 'made-to-order' and as such are non-refundable

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  1. Cast Iron 100 x 75mm (4"x3") Square Downpipe Shoe - Front with Ears - Primed - 1 in Stock
    Cast Iron 100 x 75mm (4"x3") Square Downpipe Shoe - Front with Ears - Primed - 1 in Stock
    Was £247.57 Sale Price £136.16
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    Estimated Delivery date is 08/01/2025
    Out of stock
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  2. Cast Iron Spacer Bobbin - Primed - from 0.5 to 2 inch
    Cast Iron Spacer Bobbin - Primed - from 0.5 to 2 inch
    From £3.20
    You Save 45%
    Estimated Delivery date is 08/01/2025
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  3. Cast Iron Spacer Bobbin - Black - from 0.5 to 2 inch
    Cast Iron Spacer Bobbin - Black - from 0.5 to 2 inch
    From £6.45
    Estimated Delivery date is 08/01/2025
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  4. 1.83m (6ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe with Ears - Primed
    1.83m (6ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe with Ears - Primed
    Was £515.09 Sale Price £283.30
    You Save 45%
    Estimated Delivery date is 28/01/2025
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  5. 1.83m (6ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe with Ears
    1.83m (6ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe with Ears - Black
    Was £533.08 Sale Price £266.54
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    Estimated Delivery date is 28/01/2025
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  6. 0.9m (3ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe with Ears - Primed
    0.9m (3ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe with Ears - Primed
    Was £386.32 Sale Price £212.48
    You Save 45%
    Estimated Delivery date is 28/01/2025
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  7. 0.9m (3ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe with Ears - Black
    0.9m (3ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe with Ears - Black
    Was £387.42 Sale Price £193.71
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    Estimated Delivery date is 28/01/2025
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  8. 1.83m (6ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe without Ears - Primed
    1.83m (6ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe without Ears - Primed
    Was £522.08 Sale Price £287.14
    You Save 45%
    Estimated Delivery date is 28/01/2025
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  9. 1.83m (6ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe without Ears - Black
    1.83m (6ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe without Ears - Black
    Was £523.53 Sale Price £261.77
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    Estimated Delivery date is 28/01/2025
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  10. 0.9m (3ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe without Ears - Primed
    0.9m (3ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe without Ears - Primed
    Was £381.61 Sale Price £209.89
    You Save 45%
    Estimated Delivery date is 28/01/2025
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  11. 0.9m (3ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe without Ears - Black
    0.9m (3ft) Cast Iron 100 x 75mm (4"x3") Square Downpipe without Ears - Black
    Was £382.68 Sale Price £191.34
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    Estimated Delivery date is 28/01/2025
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  12. Cast Iron 100 x 75mm (4"x3") Square Downpipe Bend to Left 112.5 Degree with Ears - Primed
    Cast Iron 100 x 75mm (4"x3") Square Downpipe Bend to Left 112.5 Degree with Ears - Primed
    Was £207.81 Sale Price £114.30
    You Save 45%
    Estimated Delivery date is 28/01/2025
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  13. Cast Iron 100 x 75mm (4"x3") Square Downpipe Bend to Left 112.5 Degree with Ears - Black
    Cast Iron 100 x 75mm (4"x3") Square Downpipe Bend to Left 112.5 Degree with Ears - Black
    Was £208.37 Sale Price £104.19
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    Estimated Delivery date is 28/01/2025
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  14. Cast Iron 100 x 75mm (4"x3") Square Downpipe Bend to Right 112.5 Degree with Ears - Primed
    Cast Iron 100 x 75mm (4"x3") Square Downpipe Bend to Right 112.5 Degree with Ears - Primed
    Was £207.81 Sale Price £114.30
    You Save 45%
    Estimated Delivery date is 28/01/2025
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  15. Cast Iron 100 x 75mm (4"x3") Square Downpipe Bend to  Right 112.5 Degree with Ears - Black
    Cast Iron 100 x 75mm (4"x3") Square Downpipe Bend to Right 112.5 Degree with Ears - Black
    Was £208.37 Sale Price £104.19
    You Save 50%
    Estimated Delivery date is 28/01/2025
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  16. Cast Iron 100 x 75mm (4"x3") Square Downpipe Branch - Left Hand with Ears 112.5 Degree - Primed
    Cast Iron 100 x 75mm (4"x3") Square Downpipe Branch - Left Hand with Ears 112.5 Degree - Primed
    Was £438.15 Sale Price £240.98
    You Save 45%
    Estimated Delivery date is 28/01/2025
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  17. Cast Iron 100 x 75mm (4"x3") Square Downpipe Branch - Left Hand with Ears 112.5 Degree - Black
    Cast Iron 100 x 75mm (4"x3") Square Downpipe Branch - Left Hand with Ears 112.5 Degree - Black
    Was £439.40 Sale Price £219.70
    You Save 50%
    Estimated Delivery date is 28/01/2025
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  18. Cast Iron 100 x 75mm (4"x3") Square Downpipe Branch - Right Hand with Ears 112.5 Degree - Primed
    Cast Iron 100 x 75mm (4"x3") Square Downpipe Branch - Right Hand with Ears 112.5 Degree - Primed
    Was £438.15 Sale Price £240.98
    You Save 45%
    Estimated Delivery date is 28/01/2025
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  19. Cast Iron 100 x 75mm (4"x3") Square Downpipe Branch - Right Hand with Ears 112.5 Degree - Black
    Cast Iron 100 x 75mm (4"x3") Square Downpipe Branch - Right Hand with Ears 112.5 Degree - Black
    Was £439.40 Sale Price £219.70
    You Save 50%
    Estimated Delivery date is 28/01/2025
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  20. Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Necks (76mm Offset) - Primed
    Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Necks (76mm Offset) - Primed
    Was £245.33 Sale Price £134.93
    You Save 45%
    Estimated Delivery date is 28/01/2025
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  21. Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Neck (76mm Offset) - Black
    Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Neck (76mm Offset) - Black
    Was £246.03 Sale Price £123.02
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    Estimated Delivery date is 28/01/2025
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  22. Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Necks (114mm Offset) - Primed
    Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Necks (114mm Offset) - Primed
    Was £264.36 Sale Price £145.40
    You Save 45%
    Estimated Delivery date is 28/01/2025
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  23. Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Neck (114mm Offset) - Black
    Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Neck (114mm Offset) - Black
    Was £265.09 Sale Price £132.55
    You Save 50%
    Estimated Delivery date is 28/01/2025
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  24. Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Necks (152mm Offset) - Primed
    Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Necks (152mm Offset) - Primed
    Was £264.36 Sale Price £145.40
    You Save 45%
    Estimated Delivery date is 28/01/2025
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  25. Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Neck (152mm Offset) - Black
    Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Neck (152mm Offset) - Black
    Was £265.09 Sale Price £132.55
    You Save 50%
    Estimated Delivery date is 28/01/2025
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  26. Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Necks (228mm Offset) - Primed
    Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Necks (228mm Offset) - Primed
    Was £346.91 Sale Price £190.80
    You Save 45%
    Estimated Delivery date is 28/01/2025
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  27. Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Neck (228mm Offset) - Black
    Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Neck (228mm Offset) - Black
    Was £347.90 Sale Price £173.95
    You Save 50%
    Estimated Delivery date is 28/01/2025
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  28. Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Necks (304mm Offset) - Primed
    Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Necks (304mm Offset) - Primed
    Was £371.89 Sale Price £204.54
    You Save 45%
    Estimated Delivery date is 28/01/2025
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  29. Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Neck (304mm Offset) - Black
    Cast Iron 100 x 75mm (4"x3") Square Downpipe 120 Degree Swan Neck (304mm Offset) - Black
    Was £372.97 Sale Price £186.49
    You Save 50%
    Estimated Delivery date is 28/01/2025
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  30. Cast Iron 100 x 75mm (4"x3") Square Downpipe 135 Degree Plinth Offsets with Ears (76mm Offset) - Primed
    Cast Iron 100 x 75mm (4"x3") Square Downpipe 135 Degree Plinth Offsets with Ears (76mm Offset) - Primed
    Was £288.53 Sale Price £158.69
    You Save 45%
    Estimated Delivery date is 28/01/2025
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