The best deck builders in Christchurch range from crews who do nothing but decks to full building companies that treat outdoor living as one part of a wider job, and the right choice depends largely on how complicated your site is. A ground level deck off the back door is a very different job from an elevated one that needs consent and engineering, and Canterbury’s frosts, nor’westers and hard summer sun put more into a deck than most parts of the country. Deck Builders Christchurch and The Decking Guys sit at the specialist end of the five below.
1Deck Builders Christchurch
Deck Builders Christchurch works across the city and wider Canterbury, from ground level entertaining areas through to elevated decks that need consent and engineering. The company is set up around decks and the structures that go with them rather than general building, and it handles both new builds and rebuilds of decks that have reached the end of their life.
Services
- New deck design and construction
- Rebuilds and repairs of existing decks
- Pergolas and balconies
- Fencing
- Consent work for elevated decks
Highlights
- Written itemised quote covering materials, labour and timeframes before work starts
- One crew from the first board to the last, and one person running the job from the first site visit
- Advises on treated pine, vitex, kwila, composite and Purpleheart according to the site rather than the price
- Handles the council side where a deck sits more than 1.5 metres above ground
- A street address and a landline, which is less common in this trade than you would think
Location & Contact
Name: Deck Builders Christchurch
Address: 35 Walker Street, Christchurch 8011
Phone: 03 660 1238
Website: deckbuilderschristchurch.co.nz
2The Decking Guys
The Decking Guys build decks across Christchurch and Canterbury and do very little else. The emphasis is on structures meant to last generations rather than years, and on decks designed to sit properly against the house and the ground around it rather than being bolted on.
Services
- Custom deck design and construction
- Design work developed around the client’s brief
- Engineering and compliance documentation
- Decks built to complement the existing house and surrounds
Highlights
- Builds with H5 treated piles and stainless steel fixings rather than the cheapest available
- Works alongside professional draughtsmen and engineers to formalise the construction and compliance brief
- The client’s wish list drives the design process rather than a standard product
- Its own construction teams of skilled tradesmen rather than whoever is available
Location & Contact
Name: The Decking Guys
Address: Christchurch
Phone: 022 153 3643
Website: thedeckingguys.co.nz
3Designer Decks
Designer Decks is run by Sean McInroe, who has spent more than twenty years in the building industry and is a Licensed Building Practitioner. He handles every quote himself and oversees each build rather than passing jobs to a crew, which is the main reason to look at a smaller operator over a larger one.
Services
- Custom deck design and construction
- Free on site consultation and quote
- Decks built for Canterbury conditions and council requirements
Highlights
- Licensed Building Practitioner, with the owner personally overseeing every project
- More than twenty years in the building industry
- Supplier relationships used to keep material costs down rather than marked up
- Quotes itemised with no hidden fees, and a response within a day
Location & Contact
Name: Designer Decks
Address: Christchurch
Phone: 027 747 4424
Website: designerdecks.co.nz
4Kennedy Contracting
Kennedy Contracting covers outdoor construction across Christchurch and Canterbury, with decking sitting alongside fencing, gates, retaining walls and driveways. It works on both residential and commercial jobs, including subdivision work for developers, so it suits a project where the deck is one piece of a larger outdoor plan.
Services
- Decking
- Fencing and gates
- Retaining walls
- Concrete driveways
- Earthworks and landscaping
Highlights
- Licensed Building Practitioners
- Handles residential and commercial work, including developer and subdivision jobs
- Covers the groundwork as well as the deck, which matters on a sloping or unstable site
Location & Contact
Name: Kennedy Contracting
Address: Christchurch
Phone: 027 236 9369
Website: kennedycontracting.co.nz
5JBR Built
JBR Built is a Christchurch building company covering new homes, renovations and bathrooms, with custom decks and timber fencing among its outdoor work. It is the option to look at when the deck is part of a wider renovation rather than a standalone job.
Services
- Custom deck building
- Timber fence construction
- Home renovations
- New home builds
- Bathroom renovations
Highlights
- More than twelve years building in Christchurch
- One company for a deck that forms part of a larger renovation
- Handles a project from design through to completion rather than one trade within it
Location & Contact
Name: JBR Built
Address: Christchurch
Phone: 021 137 6599
Website: jbrbuilt.co.nz
How to Choose the Right Deck Builder in Christchurch
- Work out first whether your deck needs consent, because it changes who you should be talking to. Height above ground is the usual trigger, and a builder who works on consented decks regularly will tell you where you stand before quoting.
- Ask whether the person quoting is the person building. On smaller jobs an owner operator who runs the site himself is often the difference between a good deck and a rushed one.
- Get the quote itemised into materials, labour and timeframes. A single figure tells you nothing and makes it impossible to compare two builders honestly.
- Talk about materials before price. Treated pine, hardwoods like kwila and vitex, and composite behave very differently in Canterbury conditions, and the right answer depends on your site, your sun and how much maintenance you will actually do.
- Check the substructure, not the boards. Pile treatment level and the fixings are what decide whether a deck lasts twenty years, and they are the parts you will never see once it is finished.
Frequently Asked Questions About Christchurch Deck Builders
Do I need a building consent for a deck?
Often, and height is usually what decides it. Decks above a certain height off the ground need consent, and so do decks attached to the house in some situations. It is not a judgement call worth guessing at, because an unconsented deck can cause real problems when you sell. Building Performance sets out when a consent is required, and your builder should know the answer for your site before quoting.
What is a Licensed Building Practitioner and does it matter for a deck?
An LBP is assessed and licensed to carry out or supervise restricted building work. Where a deck needs consent, the work generally has to be done or supervised by one. Two of the builders on this list say they are LBPs, and it is a fair question to ask anyone quoting on a consented job. The LBP register lets you check.
Which decking material lasts best in Canterbury?
There is no single answer, which is why a builder who pushes one material regardless of site is worth being wary of. Treated pine is the workhorse and the cheapest to build in. Hardwoods such as kwila and vitex look richer and wear harder. Composite never needs oiling but costs more up front and looks different. Frost, nor’west wind and strong summer sun all matter more here than in milder parts of the country.
How long should a deck last?
Decades, if the substructure is right. The boards are the part people look at, but pile treatment level and the quality of the fixings decide the lifespan. H5 treated piles and stainless steel fixings cost more and are the difference between a deck you maintain and a deck you replace.
How much maintenance does a timber deck need?
Timber decks need cleaning and oiling on a cycle, and how often depends on the material and how much sun and weather the deck takes. Composite avoids the oiling but still needs cleaning. Ask the builder what the upkeep looks like for the material they are recommending, because it is part of the real cost.
Can a builder handle the council paperwork?
Most of the builders here will deal with the consent process, and some work with draughtsmen and engineers to prepare the documentation. Confirm who is lodging it and who is paying the fees before work starts. Christchurch City Council handles building consents for the city.
Should I use a deck specialist or a general builder?
A specialist is usually the better choice for a standalone deck, particularly a complicated or elevated one. A general builder makes more sense when the deck is part of a renovation, because one company carries the whole job and you are not coordinating trades yourself.
What should a quote actually include?
Materials, labour and timeframes, itemised. If a deck needs consent, the quote should also make clear whether council fees and any engineering are inside or outside the figure. A single number with no breakdown cannot be compared against anything.