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Excavator digging a service trench alongside a stone boundary wall
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For builders, developers & site managers

Commercial drainage contractors in ManchesterNetworks, attenuation, interceptors and manholes

Foul and surface water drainage for developments and commercial sites, laid to level and tested.

  • Fully insured
  • Free written quotes
  • Family-run
  • Over 20 years

Below-ground drainage is buried early and covered by everything that follows, so it has to be right first time.

Commercial drainage

Drainage networks, laid to level and tested

We set it out from your drawings, lay it to level and test it before it is covered.

We install complete foul and surface water systems on commercial and development sites, including manholes, chambers, interceptors, pumping stations and attenuation (underground storage that controls how quickly rainwater leaves the site).

  • Set out from your drawings
  • Tested before it is covered
  • Built to the approved drainage design
  • Attenuation and sustainable drainage

What the work covers

Commercial drainage for the trade.

Across Greater Manchester and Cheshire, as part of our commercial groundwork services.

New drainage run bedded in gravel in a garden trench
1

Foul and surface water networks

Complete drainage systems from the building to the point of discharge, with manholes and chambers.

2

Attenuation and sustainable drainage

Underground storage, flow controls and permeable surfaces, installed to the approved drainage design.

3

Interceptors

Petrol, oil and silt interceptors for yards, car parks and fuelling areas.

4

Pumping stations

Pumping stations and rising mains where a site cannot drain by gravity.

Recent work

Recent commercial drainage jobs.

A few photos of this kind of work. See the gallery for more.

Excavator digging a narrow trench close to a house
Excavator digging a narrow trench close to a house
Groundworker operating a tracked excavator while muck away is loaded out
Groundworker operating a tracked excavator while muck away is loaded out
Excavated strip foundation trench with hardcore and site barriers
Excavated strip foundation trench with hardcore and site barriers

Common questions

Commercial drainage: your questions.

Do you test the drainage before it is covered?

Yes, always. The drainage is tested, and the results recorded, before anything covers it.

Can you install attenuation and sustainable drainage systems?

Yes. We install underground storage, flow controls and permeable surfaces to the approved design, and tell you early if the design does not suit the levels on site.

Can you provide as-built information?

Yes. We can record the levels and routes of the drainage as it is laid, so you have accurate information at handover.

More questions and answers →

A free visit, a written price

Need a price for commercial drainage?

Free site visit, written quote, no obligation. Call us or send the details and we will come back to you.

Call 07917 678382
Email markleighexcavations@outlook.comMon–Fri 7:30am–5:30pm · Sat 7:30am–4pm

Ask for a price

Mark reads every enquiry himself and will reply as soon as he can.

Or call 07917 678382, Monday to Saturday from 7:30am.

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