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If we can’t
unblock your drains,
you don’t pay a penny

Your local team for drainage works

Properly functioning drainage systems are essential to our everyday lifestyle, but it is all too easy to let them fall into a state of neglect. There is no need to risk a drainage disaster when Semilong Services is just a phone call away! Our drainage experts can make sure your drains and pipes are in tip top shape, so you’ll never be faced with a soggy surprise! We have many happy commercial and domestic clients located throughout Northamptonshire, Milton Keynes, Bedford and the surrounding areas.
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Expert solutions for drainage jobs of all sizes

We install, Repair, Maintain and replace drainage and pipeworks.
No matter what your drainage requirements are, Semilong Services can deliver.


Professional expertise and service that is second to none

Installing, maintaining and repairing drainage systems and pipes is a highly specialised trade. The team at Semilong Services collectively has more than 50 years of professional expertise in drain services. A proudly independent company, we have been delivering superior customer-focussed solutions to the local community since 1997. Find out more about our expertise and accreditations.

Here for your drainage emergencies 24/7

It seems that a drainage emergency will inevitably strike at the worst possible time! For a fast response to your drain dilemmas at any hour of the day or night, simply get in touch with Semilong Services. Our team is on call 24/7, 365 days a year to attend to your situation. We charge only for the work performed with no additional call-out fee. From burst pipes to blocked drains, we can get it fixed fast and help minimise any further damage or inconvenienceGet prompt assistance when you need it the most.

10 out of 10

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They are very good, very reliable and they have expert knowledge which to me is the main thing that they know what they are doing

- Customer in Northampton

9.5 OUT OF 10

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Reliable company with excellent customer service.

- Customer in Milton Keynes
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To discuss your needs with Northamptonshire’s top team for drainage works, please complete the form and we’ll get back to you promptly or call us on
01604 492 701
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