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Commercial Drain Maintenance

A blocked drain can stop a kitchen, a bar or a whole site. We look after the drains, grease traps, pump stations and treatment plants of businesses across Surrey, Sussex, Kent, Hampshire and London.

Servicing and
repair engineers
24/7
call-outs
Clear report
after every visit
Our own vans
and tankers
34 years
in drainage

The basics

Why plan drain maintenance for a business?

A blocked drain at a business costs more than the call-out. Kitchens can’t trade, toilets close and customers go elsewhere. Planned maintenance catches grease build-up, silt and roots before they become emergencies.

We work for hotels, restaurants, pubs, golf clubs, farms and industrial sites. Many of these have private drainage, such as treatment plants, pump stations and septic tanks, that needs looking after as much as the drains.

Grease from kitchens is the most common cause of trouble. Regular grease trap emptying and jetting keep pipes running freely.

What we cover

Services for businesses

Pick what your site needs. We can discuss a planned programme when you get in touch.

Grease trap emptyingKeeps kitchen drains running freely. High pressure jettingClears grease, scale and silt from pipework. CCTV drain surveysShows the condition of drains across a site. Pump station servicingServicing private pump stations. Treatment plant maintenanceServicing for packaged sewage treatment plants. Holding tank emptyingEmptying tanks on sites with no mains drainage.

How it works

Setting up planned maintenance

  1. Talk to us about the site

    Tell us what drainage you have, what you use it for and what has gone wrong before.

  2. Survey if needed

    A CCTV survey shows the condition of the drains and where the problem areas are.

  3. Agree what is needed and how often

    Grease trap emptying, jetting or servicing, matched to how hard your drainage works.

  4. Carry out the visits

    Our own engineers and tankers attend. We talk to you about timing around your trading hours.

  5. Tell you what we find

    If something needs attention, we explain it and what we recommend.

Why act

Don’t wait for a blocked drain to close you down

Kitchens, bars and hotels depend on their drains. If one fails on a busy day, the cost goes well beyond the repair.

Planned visits mean problems are seen early, and you know who to call when something does go wrong.

Signs a site needs attention

  • Slow drains in kitchens or toilets
  • Grease traps that fill quickly
  • Smells around yards or car parks
  • Pump station alarms
  • Treatment plant that is overdue a service
Get a quote

Why Clearmasters

Why choose Clearmasters?

Most of our business customers have private drainage, so we know it well. We keep the advice practical and tell you plainly what needs doing now and what can wait.

Ask us a question

Always on hand

Planned servicing at a time that suits you, and 24/7 call-outs when something goes wrong.

Straight answers

We explain what we found in plain English, and give you honest advice on what needs doing now and what can wait.

Trained engineers

Our engineers hold current confined space entry certificates and work on treatment plants, pump stations and drainage every day.

We tidy up after ourselves

We reinstate your ground and leave the site clean.

What our customers say

9.85/10

Checkatrade

From 135 reviews · Read them
4.9/5

Google

From 71 reviews · Read them

Scores as of October 2026

Read all our reviews

Questions answered

Commercial drain maintenance FAQs

What types of business do you work for?

Hotels, restaurants, pubs, golf clubs, farms and industrial sites, among others. Many have private drainage rather than a mains sewer.

Can you arrange planned visits around opening hours?

Tell us when you trade and we’ll discuss timings when you get in touch.

Do you look after grease traps?

Yes. We empty grease traps, and we can jet the pipework that leads to them.

Can you service pump stations and treatment plants as well?

Yes. We service private pump stations and sewage treatment plants, and can empty the tanks.

What if we have an emergency between visits?

We offer 24/7 call-outs. Call 03333 233566, or our emergency line on 03333 233577.

Got a different question? Call 03333 233566 or send us a message.

Related services

Grease Trap EmptyingKeeps kitchen drains clear. High Pressure JettingScours pipework clear. CCTV Drain SurveysThe condition of the whole system. Treatment Plant MaintenanceServicing for private sewage plants.

Fully accredited & compliant

We're independently vetted and certified so you can trust who you're letting onto your site.

SafeContractor

Health & safety pre-qualification accreditation, verifying our processes meet recognised safety standards.

RISQS

Railway Industry Supplier Qualification Scheme — approved to work safely within the rail industry supply chain.

Achilles UVDB

Utilities Vetting Database membership, confirming we meet the utilities sector's supply chain standards.

Trading Standards Approved

Vetted and approved under the local authority's trusted trader scheme for honesty and fair dealing.

NADC Member

Members of the National Association of Drainage Contractors, the UK trade body for the drainage industry.

Registered Waste Carrier

Registered with the Environment Agency, so your waste is handled and disposed of fully within the law.

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