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Circular Cast Aluminium Downpipe

Circular cast aluminium downpipes provide a durable, low-maintenance alternative to traditional cast iron while retaining a classic appearance. Perfect for heritage properties, period restorations, and high-end new builds, these downpipes combine the strength and longevity of aluminium with the authentic aesthetic of cast iron.

Part of the Alumasc Heritage range, these downpipes can be finished to replicate traditional cast iron or coated with BBA-certified powder coatings in a wide selection of colours. The extruded aluminium construction ensures precision, durability, and excellent corrosion resistance, delivering a high-performance solution for both conservation and contemporary projects.

Sizes and Lengths

Our circular cast aluminium downpipes are available in a range of diameters from 63mm to 150mm, providing flexibility for different rainwater management needs. Downpipes are supplied in 1m, 2m, and 3m lengths, allowing for easy installation across a variety of building heights and roof configurations.

Why Choose Circular Cast Aluminium Downpipes?

Authentic Cast Iron Appearance: Ideal for heritage and listed buildings.

Lightweight Yet Strong: Easier to handle and install than traditional cast iron.

Corrosion-Resistant: Aluminium construction ensures long-lasting performance.

Low Maintenance: Retains its finish and structural integrity with minimal upkeep.

Customisable Finishes: Available in a wide range of powder-coated colours or traditional cast iron effect.

Order Your Circular Cast Aluminium Downpipes

At Gutter Centre, you can build a complete aluminium guttering and downpipe system with matching gutters, brackets, and accessories, ensuring a cohesive and professional installation. With expert technical guidance, competitive pricing, and premium-quality products, Gutter Centre is the trusted supplier for circular cast aluminium downpipes across the UK.

Upgrade your property’s rainwater management with circular cast aluminium downpipes - the perfect blend of traditional style and modern performance. Browse the full Alumasc Heritage range online or contact our team for bespoke colour options and expert advice.

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Alumasc Heritage Round... Alumasc Heritage Round Circular Cast Aluminium Socketed Downpipe Eared x 3m

Alumasc Heritage Round Circular Cast Aluminium Socketed Downpipe Eared x 3m

Heritage Round Circular Cast Aluminium Socketed Downpipe with Ears x 3m Length, available in 4 sizes and 3 downpipe lengths, together with a complete range of fittings
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£74.71 Regular price £80.77
  • -7.5%
Ex VAT£89.65 Inc VAT
Estimated delivery Wednesday, 8th July
Estimated delivery 5 working days
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Alumasc Heritage Round... Alumasc Heritage Round Circular Cast Aluminium Socketed Downpipe Eared 1m & 2m

Alumasc Heritage Round Circular Cast Aluminium Socketed Downpipe Eared 1m & 2m

Heritage Round Circular Cast Aluminium Socketed Downpipe 1m & 2m with Ears are available in 4 sizes and 3 downpipe lengths, together with a complete range of fittings
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£33.97 Regular price £36.72
  • -7.5%
Ex VAT£40.76 Inc VAT
Estimated delivery Wednesday, 8th July
Estimated delivery 5 working days
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Alumasc Heritage Round... Alumasc Heritage Round Circular Cast Aluminium Socketed Downpipe Without Ears x 3m

Alumasc Heritage Round Circular Cast Aluminium Socketed Downpipe Without Ears x 3m

Heritage Round Circular Cast Aluminium Socketed Downpipe Without Ears x 3m Length, available in 4 sizes and 3 downpipe lengths, together with a complete range of fittings
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£74.71 Regular price £80.77
  • -7.5%
Ex VAT£89.65 Inc VAT
Estimated delivery Friday, 10th July
Estimated delivery 5 working days
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Alumasc Heritage Round... Alumasc Heritage Round Circular Cast Aluminium Socketed Downpipe Without Ears 1m & 2m

Alumasc Heritage Round Circular Cast Aluminium Socketed Downpipe Without Ears 1m & 2m

Heritage Round Circular Cast Aluminium Socketed Downpipe Without Ears 1m & 2m are available in 4 sizes and 3 downpipe lengths, together with a complete range of fittings
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£33.97 Regular price £36.72
  • -7.5%
Ex VAT£40.76 Inc VAT
Estimated delivery Friday, 10th July
Estimated delivery 5 working days
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Alumasc Heritage Round Cast... Alumasc Heritage Round Cast Aluminium Socketed Downpipe Thickwalls With Ears

Alumasc Heritage Round Cast Aluminium Socketed Downpipe Thickwalls With Ears

Heritage Round Circular Cast Aluminium Socketed Downpipe Thickwalls With Ears available in 3 sizes and 1 downpipe length, together with a complete range of fittings
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£134.10 Regular price £144.97
  • -7.5%
Ex VAT£160.92 Inc VAT
Estimated delivery Friday, 10th July
Estimated delivery 5 working days
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Alumasc Heritage Round Cast... Alumasc Heritage Round Cast Aluminium Non Eared Socketed Downpipe Thickwalls

Alumasc Heritage Round Cast Aluminium Non Eared Socketed Downpipe Thickwalls

Heritage Round Circular Cast Aluminium Non Eared Socketed Downpipe Thick Wall, available in 3 sizes and 1 downpipe length, together with a complete range of fittings
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£94.75 Regular price £102.43
  • -7.5%
Ex VAT£113.70 Inc VAT
Estimated delivery Friday, 10th July
Estimated delivery 5 working days
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Alumasc Heritage Round... Alumasc Heritage Round Circular Cast Aluminium Socket With Ears

Alumasc Heritage Round Circular Cast Aluminium Socket With Ears

Heritage Round Circular Cast Aluminium Socket With Ears available in 4 downpipe sizes, together with a complete range of fittings
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£12.44 Regular price £13.45
  • -7.5%
Ex VAT£14.93 Inc VAT
Estimated delivery Wednesday, 8th July
Estimated delivery 5 working days
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Alumasc Heritage Round... Alumasc Heritage Round Circular Cast Aluminium Socket Without Ears

Alumasc Heritage Round Circular Cast Aluminium Socket Without Ears

Heritage Round Circular Cast Aluminium Socket Without Ears available in 4 downpipe sizes, together with a complete range of fittings
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£12.44 Regular price £13.45
  • -7.5%
Ex VAT£14.93 Inc VAT
Estimated delivery Wednesday, 8th July
Estimated delivery 5 working days
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Alumasc Heritage Round... Alumasc Heritage Round Circular Cast Aluminium Pipe Clip Standard

Alumasc Heritage Round Circular Cast Aluminium Pipe Clip Standard

Heritage Round Circular Cast Aluminium Pipe Clip Standard n 4 downpipe sizes, together with a complete range of fittings
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£6.97 Regular price £7.54
  • -7.5%
Ex VAT£8.37 Inc VAT
Estimated delivery Wednesday, 8th July
Estimated delivery 5 working days
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Alumasc Heritage Round... Alumasc Heritage Round Circular Cast Aluminium Pipe Clip System With Small Base

Alumasc Heritage Round Circular Cast Aluminium Pipe Clip System With Small Base

Heritage Round Circular Cast Aluminium Pipe Clip System With Small Base available in 4 downpipe sizes, together with a complete range of fittings
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£9.28 Regular price £10.03
  • -7.5%
Ex VAT£11.13 Inc VAT
Estimated delivery Friday, 10th July
Estimated delivery 5 working days
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Alumasc Heritage Round Cast... Alumasc Heritage Round Cast Aluminium Pipe Clip System With Extension Base

Alumasc Heritage Round Cast Aluminium Pipe Clip System With Extension Base

Heritage Round Circular Cast Aluminium Pipe Clip System With Extension Base available in 4 downpipe sizes, together with a complete range of fittings
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£19.98 Regular price £23.00
  • -7.5%
Ex VAT£23.98 Inc VAT
Estimated delivery Friday, 10th July
Estimated delivery 5 working days
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Alumasc Heritage Round... Alumasc Heritage Round Circular Cast Aluminium Rainwater Diverter

Alumasc Heritage Round Circular Cast Aluminium Rainwater Diverter

Heritage Round Circular Cast Aluminium Rainwater Diverter, available in 4 downpipe sizes
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£103.43 Regular price £111.82
  • -7.5%
Ex VAT£124.12 Inc VAT
Estimated delivery Friday, 10th July
Estimated delivery 5 working days
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Alumasc Heritage Round... Alumasc Heritage Round Circular Cast Aluminium Socketed Access Pipe Without Ears

Alumasc Heritage Round Circular Cast Aluminium Socketed Access Pipe Without Ears

Heritage Round Circular Cast Aluminium Socketed Access Pipe Without Ears available in 4 downpipe sizes, together with a complete range of fittings
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£62.35 Regular price £67.40
  • -7.5%
Ex VAT£74.81 Inc VAT
Estimated delivery Wednesday, 8th July
Estimated delivery 5 working days
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Alumasc Heritage Round... Alumasc Heritage Round Circular Cast Aluminium Socketed Downpipe Bend No Ears

Alumasc Heritage Round Circular Cast Aluminium Socketed Downpipe Bend No Ears

Heritage Round Circular Cast Aluminium Socketed Downpipe Bend Without Ears available in 4 downpipe sizes and 3 angles, together with a complete range of fittings
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£18.69 Regular price £20.20
  • -7.5%
Ex VAT£22.42 Inc VAT
Estimated delivery Wednesday, 8th July
Estimated delivery 5 working days
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Alumasc Heritage Round Cast... Alumasc Heritage Round Cast Aluminium Socketed 112.5 degree 2 Part Offset No Ear

Alumasc Heritage Round Cast Aluminium Socketed 112.5 degree 2 Part Offset No Ear

Heritage Round Circular Cast Aluminium Socketed 112.5 Degree 2 Part Offset Without Ears available in 2 downpipe sizes, together with a complete range of fittings
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£40.49 Regular price £43.77
  • -7.5%
Ex VAT£48.58 Inc VAT
Estimated delivery Wednesday, 8th July
Estimated delivery 5 working days
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Alumasc Heritage Round Cast... Alumasc Heritage Round Cast Aluminium Socketed 112.5 degree Offset Without Ears

Alumasc Heritage Round Cast Aluminium Socketed 112.5 degree Offset Without Ears

Heritage Round Circular Cast Aluminium Socketed 112.5 Degree Offset, 75mm Fixed Projection, Without Ears available in 4 downpipe sizes, together with a complete range of fittings
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£35.97 Regular price £38.89
  • -7.5%
Ex VAT£43.17 Inc VAT
Estimated delivery Wednesday, 8th July
Estimated delivery 5 working days
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