150mm Cast Iron Drainage

Our 150mm Halifax cast iron drainage range is designed for high-capacity underground drainage systems on commercial, industrial and multi-unit residential developments. Manufactured to BS EN 877, it delivers the strength, fire resistance and long-term reliability expected from cast iron drainage. With push-fit or mechanical joint options and a durable grey epoxy finish, it provides a robust, low-maintenance solution for projects where performance and lifespan matter.

View products View resources View help & advice View articles
Related resources
Halifax Cast Iron Technical Guide Download PDF
Drainfast Product Catalogue Issue 40
Vision Drainage Specification Manual Download PDF

Why Choose Drainfast for 150mm Cast Iron Drainage?

Our 150mm Halifax range includes everything needed for a complete underground drainage system, from pipes and bends to branches, access fittings and couplings. Whether you're working on a new build or a large civil engineering project, our technical team can help you specify the right products. Browse our complete range of cast iron drainage.

  • Extensive stock held for fast nationwide delivery
  • Experienced technical advice and product support
  • Quality Halifax cast iron drainage systems
  • Trusted by civils contractors and groundworkers across the UK
  • Independent, family-owned business established in 2003
  • Next-day delivery available on eligible orders placed before 5pm
  • Free material take off service

Frequently Asked Questions

What are the Benefits of 150mm Cast Iron Drainage?

150mm cast iron drainage is designed to handle higher volumes of water while offering excellent strength and durability. It is resistant to fire, provides good acoustic performance and, with its protective epoxy coating, stands up well to demanding underground conditions. The system is also BS EN 877 compliant for added peace of mind.

What Sizes are Cast Iron Drainage Pipes?

The 150mm range is based around a 150mm diameter pipe and includes a full selection of compatible fittings, including bends, branches, access pieces and couplings. This allows complete drainage systems to be specified using matching Halifax components. 

What Applications are Best for 150mm Cast Iron Drainage?

150mm cast iron drainage is commonly specified for larger commercial buildings, industrial facilities, apartment blocks, hospitals, schools and other developments with higher drainage demands. It is suitable for both foul water and surface water drainage where a durable, long-lasting system is required. 

What is the Finish on 150mm Cast Iron Drainage?

The range is finished in a durable grey epoxy coating, which helps protect the cast iron against corrosion and everyday wear. It provides a professional finish while supporting the long service life expected from cast iron drainage systems. 

Help & Advice

MetroSewer Naylor Drainage Pipe
Help & Advice

Adoptable Sewer Pipe Explained

Explore MetroSewer, an adoptable twinwall polypropylene (PP) sewer pipe system designed to meet water authority standards - ideal for new, replacement, and adoptable sewer projects.

Related articles

Underground drainage pipes with single socket end

110mm vs 160mm Underground Drainage Pipes

9 July, 2026 (Updated 21 July, 2026)

In this guide, we'll compare 110 vs 160 underground drainage pipework, explain where each size is typically used and highlight the factors you should consider before selecting a pipe for your project.

Construction worker cutting drainage pipe on a SiteStak workstation

How to Connect Underground Drainage Pipes

8 July, 2026 (Updated 29 July, 2026)

Correctly installing an underground drainage system is essential for ensuring reliable wastewater flow while preventing leaks and blockages and reducing future maintenance costs.

Vision Underground Drainage Fittings Cutout

Guide to Underground Drainage Fittings

21 January, 2026 (Updated 21 July, 2026)

In this blog post, we’ll explore exactly what underground drainage fittings are and how to choose the right one for your next project. 

Construction worker cutting drainage pipe on a SiteStak workstation

Guide to 110mm Underground Drainage Systems

21 January, 2026 (Updated 21 July, 2026)

Around 70% of the Earth’s surface is covered by water, and every day it moves through our homes and buildings through rainfall, snowmelt and wastewater. Once water leaves a roof, driveway or toilet, it requires a reliable route away from the property.

plastic drainage pipe installation grass uk

Underground Drain Pipe Sizes

20 August, 2025 (Updated 21 July, 2026)

It’s not always obvious which pipe is the correct one for your application. Our article explains all you need to know about underground drainage pipe sizes.

Underground Drainage Pipe Installation Sewer UK

Types of Underground Drainage Pipes

6 August, 2025 (Updated 21 July, 2026)

In this helpful guide, we cover the types of underground drainage pipes and their applications for different projects.

MuckStopper TPU Temporary Inspection Chamber Cover Blue Red Yellow

New Colour-Coded MuckStopper Covers for Foul & Storm Drainage

24 July, 2025 (Updated 13 October, 2025)

Protecting underground drainage systems during construction can be a real headache. Permanent covers often go in early, only for the mess of heavy plant, concrete splashes, and changing weather conditions start to take their toll.

Stack of manhole cover lids for drainage inspection chambers

BS EN 124 Classification Explained

21 July, 2025 (Updated 13 October, 2025)

Understand the standards that govern the maximum weight loadings for manhole covers and gully gratings, and why these classifications matter.

broken manhole cover smashed in road

Manhole Cover Sizes, Shapes & Load Class

7 April, 2025 (Updated 29 July, 2026)

Manhole covers vary in size, material properties and load class. Use our guide to ensure you use the correct manhole cover for your application and location.

Delivery options

Enter your postcode for delivery timescales, accurate stock levels, and your nearest depot