QDC, also known as Quality Demolition and Contracting (2011) Ltd, was established in 1994.
Proudly owned by Shane Gray, QDC is one of Wellington’s largest and most specialised demolition companies providing an extensive range of services to a large variety of clients throughout the greater Wellington region and across New Zealand.
We appreciate our clients’ needs and work with them to provide a unique experience every time.
We commit to providing the highest level of Quality with innovation and competence.
No job is ever too big or too complex for QDC, we have all the necessary equipment to complete the job, start to finish.
We take pride in working with you, to guarantee we meet and exceed your expectations.




We manage all components of demolition, with over 20 years’ experience our highly-trained demo team pride themselves on going above and beyond our client’s expectations.

We have the right equipment to manage all jobs, with our long reach excavator, specialising in demolishing multi story buildings.

Specialising in various demolition such as:

  • Single or multi-level commercial, industrial and residential buildings
  • Fire and earthquake damaged buildings, including insurance work
  • Internal strip outs
  • Complete or partial demolition

Our demo team are highly skilled and committed to making your experience a quality experience.


Working with asbestos or asbestos containing material can be a threat to anyone’s health. QDC have a small specialised team who are highly trained in the removal process, following the WorkSafe guidelines and regulations.

Commercial, industrial or residential buildings with asbestos, our team can remove it efficiently and easily for you, with no mess left behind and all contaminated waste disposed.

Specialising in asbestos removal such as:

  • Commercial, industrial or residential buildings
  • Ceilings
  • Cladding and roof cladding
  • Complete or partial demolition

If you are unsure if you have asbestos in your building, let us know. QDC can identify and remove it, leaving you satisfied and problem free.


Siteworks is generally the above ground assets constructed to support the purposes achieved by the buildings.

This includes carparking, roads, footpaths, paved areas and landscaping. You will find these assets on site.

Due to the various backgrounds in our earthworks team, we support all Siteworks on the job, such as:

  • Concrete work
  • Asphalt surfacing
  • Driveways and carparks
  • Footpaths and paving
  • Landscaping

One team, one cost that take cares of everything for you.


With extensive knowledge and experience in earthworks, along with our convoy of tipper trucks and machines from 1T – 40T.

We have the equipment to manage jobs from preparing your new garage or driveway to preparing all earthworks for large subdivisions.

Our earthworks team have various backgrounds which makes the team unique and able to provide you with a quality job successfully and professionally.

Specialising in Earthworks such as:

  • Excavation
  • Kerb and channel
  • Siteworks, foundations and footings
  • Drainage, trenching
  • Slab prep


Concrete cutting involves a variety of techniques used by professionals to efficiently and safely cut large, square-or rectangle-shaped incisions into wall concrete or slab concrete.

Using a concrete saw, this is a power tool used for cutting concrete, masonry, brick, asphalt, tiles and various solid materials.


A core drill is specifically designed to remove a cylinder of material.

Concrete drilling is the process of making specific circular cuts in concrete to make openings for various applications.


QDC specialise in concrete crushing, using a hydraulic crusher, which provides 110T of crushing force.

They can be utilised in both demolition and deconstruction.


With tools such as our diggers ranging from 1T – 40T, Kangos and Jackhammers, QDC have the tools required and the proven skills to get any job done.

We don’t just specialise in Demolition and Excavation, we also have a variety of concrete services up our sleeve!


QDC have huge experience in removing and relocating houses and buildings. We can move anything mid-city, in the country or even at the beach!

We have a specialist team lead by our very own company manager, Shane Gray.

The team will assist Shane in the removing and relocating process by, being on site and travelling during the night to the new destination.

For more information on removals and relocations.


That’s Right! We hire out our machines and trucks – If you know what you’re doing and have a valid NZ Driver’s license, contact us today to discuss your hiring needs.

Please Note: All our prices are subject to the type of machine / truck being hired.


QDC have over 15 years’ experience, with an ongoing track record of completing jobs on time.

Our demolition team is highly qualified and experienced in providing, start to finish building strip outs.

Specialising in building strip outs, which includes:

  • Walls, ceilings and roof structure
  • Timber floors, decking and stairs
  • Joinery, doors and windows
  • Plumbing fixtures and fittings