Drainlayers Christchurch

Residential Drainage Contractors


Drainlayers Christhcurch – For the professional installation of new residential drainage, septic tank systems and underground services in Christchurch Canterbury NZ



Quality Christchurch Drainlayers


Residential Drain Laying Company

Welcome to Williamson Drainage Ltd – Drain Layers Christchurch.  We specialise in the installation of new residential drainage and are committed to achieving quality outcomes for our building customers.  Our services also include the installation of septic tank systems, water holding tanks  and underground services.  We are based in the I Zone in Rolleston Christchurch, and service the greater, North and Mid Canterbury regions.


Why choose us for new residential drainage services?





Modern, drain laying equipment and systems and training

Team members who are trade qualified and regularly up-skilled and Site Safe qualified

Competitive prices for all our services

We also provide underground services including power, water & telephone

Drainage Contractors

Preferred Drainage Contractor

We are the preferred drainage contractor for a number of Canterbury’s largest residential home building companies.

Septic Tank Systems & Underground Services

As well as this, we supply and install septic tank systems and are unique in the fact that we can install the underground services (power, water, and telephone) as well as the drains on your property.


Director Nathan Williamson is a 3rd generation drainage contractor, both his grandfather and father have run successful contracting businesses nationally and internationally, his father is still the managing director of one of the largest residential drainage companies in Auckland Drains Co. Combined with the family involvement of over 50 years in the industry Nathan is trade qualified and has a BCom from the University of Canterbury in Strategy and Entrepreneurship.

Outside of work Nathan is passionate about his hunting, has played representative cricket to a high level and in 2014 he completed the New Zealand Iron man triathlon.

Residential Drainlayers

New Home Drain Layer

Driveway sumps

     Septic Tank Systems

Septic tanks
Treatment plants
Disposal fields
Dripper lines

Underground Services


Our Work

  • Drain Laying Christchurch
  • Underground Drainage System
  • Septic tanks and water tank installation Christchurch
  • septic-tank-systems-septic-tanks-treatment-plants-disposal-fields-dripper-lines
  • drainlayers-christchurch
  • drainage-contactors-christchurch

Generation Drainlayer
Preferred supplier to
major construction companies

Tertiary qualified plus
0 years
family involvement in the drainage business

Get in Touch

We always love to hear from our customers.
Feel free to drop us an email or contact us during our business hours.

889 Jones Road
Rolleston, 7675 
Christchurch New Zealand

03 421 7167

Mon-Fri 6:30am-5:00pm

Williamson Drainage Contractors

Williamson Drainage Contractors email address

Find us at the i hub in Rolleston

Contact Form

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