How to Prepare Your Home for a Concreter: A NZ Homeowner’s Practical Guide

Why preparation matters

Concrete work is time-sensitive. Once the truck is booked, the clock is ticking: the site needs to be ready, the pour has to happen efficiently, and finishing work must be completed before the concrete begins to set. For homeowners, good preparation can save labour time, reduce call-out costs, and help avoid damage to driveways, lawns, fences and pipes.

In New Zealand, concreters are often working around weather windows, busy spring and summer schedules, and the practical limits of getting a ready-mix truck, pump, or line access to site. If the job is delayed because the area wasn’t cleared, the truck can’t get close enough, or a hidden service line wasn’t identified, that can add real cost.

The best approach is simple: make the site easy to access, make the scope clear, and confirm what the concreter is and isn’t responsible for before the first day on site.

Confirm exactly what work is included

Before you move anything or start digging, make sure you understand the quote. A concrete job can include more than just the pour itself. Clarify whether the price covers:

• excavation and disposal of spoil
• base preparation and compaction
• boxing and set-out
• reinforcing mesh or steel
• concrete supply and delivery
• pumping fees, if a pump is needed
• finishing, cutting joints and sealing
• cleanup and removal of forms
• garden or lawn reinstatement

Ask for a written quote that spells out what is included and what is excluded. If something is not in the quote, assume it is not included.

It’s also worth getting at least two or three written quotes so you can compare not just price, but scope, programme, and assumptions. A cheaper quote can become expensive if it leaves out base work, disposal, or access equipment.

Check whether your project needs consent or other approvals

Some concrete jobs are straightforward; others are not. In New Zealand, work may require council consent or other approvals depending on what is being built.

As a general rule, you may need to check with your local council if the work involves:

• retaining walls or structural elements
• significant changes to levels or drainage
• driveways or paths affecting public land, berms or vehicle crossings
• slab work for a new building, room, garage or sleepout
• work near boundaries, easements or drains

If the concrete is part of broader building work, the project may also need building consent. The building consent rules are set by the local council under the Building Act framework, and responsibility can sit with the homeowner as well as the contractor depending on the job.

If the project involves services such as plumbing, gasfitting or drainlaying, remember these are restricted activities and must be carried out by licensed practitioners under the PGDB regime. Electrical work is also regulated and must be done by, or under the supervision of, appropriately licensed electrical workers. A concreter may not handle those trades unless they are separately authorised.

If you are unsure, ask the concreter what they need from you before work starts, but don’t rely on them for legal advice. Your local council is the right place to confirm consent requirements.

Clear the work area properly

A concreter needs room to work, usually more than homeowners expect. Before they arrive, clear the entire work zone and a sensible buffer around it.

Move or remove:

• cars, trailers, boats and caravans
• pot plants, outdoor furniture and barbecues
• kids’ toys, bikes and wheelie bins
• timber, tools and building materials
• pavers, edging stones and loose garden items
• anything stored beside sheds, fences or retaining walls

If the concrete is going near a house wall, garage, fence or deck, check there is enough space for tools, wheelbarrows and formwork. Narrow access can slow the job down and may require extra labour.

If you have pets, arrange for them to be safely contained away from the site. Concrete pours often involve open access, temporary fencing, hoses and vehicles moving in and out.

Protect what is staying in place

Not everything needs to be removed, but anything left nearby should be protected. Concrete splashes, dust, slurry and finishing tools can mark surfaces quickly.

Useful protections include:

• drop cloths or tarps over nearby decks or paths
• plywood over fragile paving or garden edging
• dust sheets over nearby windows or cladding during cutting or demolition
• masking or temporary covers on timber posts, fences or exposed metal

If you have decorative brickwork, coloured pavers, or recently painted surfaces, ask the concreter what they recommend. Some materials stain easily, and it is better to prevent damage than try to clean it later.

Make sure access is practical for trucks and equipment

One of the biggest avoidable issues is poor access. A ready-mix truck is large and heavy, and if it cannot get close enough to the pour, extra equipment may be needed.

Before the booking date, check:

• whether the truck can reach the site safely
• the width and overhead clearance of driveways, gates and tree branches
• whether overhead powerlines, low eaves or tight corners are an issue
• if the ground can take the weight of a truck without sinking
• whether the truck needs to reverse in, turn around, or park on the road

If the pour is a long way from where the truck can park, your concreter may need a pump, line pump, conveyor or additional labour. That can add several hundred dollars or more, depending on access and volume. If you know access is tight, tell the concreter early so they can plan the right method.

Also consider neighbours. If the truck might block a shared driveway or a narrow cul-de-sac, warn people in advance and keep vehicles clear.

Locate underground services before any digging

Before excavation starts, make sure underground services are identified. Striking a power cable, water pipe, fibre line or gas service can be dangerous and costly.

As a homeowner, you should:

• tell the concreter about any known pipes, drains, cables or soak holes
• check old plans if you have them
• mark the likely location of services if you know where they are
• arrange service information checks before digging begins

In New Zealand, different services may be owned by different parties, so always verify rather than guess. Even shallow work can damage hidden lines. If in doubt, the site should be located and dug carefully, sometimes by hand around known services.

If the job involves any plumbing, drainage or electrical changes, those aspects need the right licensed people involved. A concreter should not be expected to relocate or reconnect restricted work unless properly qualified.

Prepare the ground if the concreter has asked you to do so

Some concreters will handle all excavation and base preparation. Others may ask the homeowner to complete specific prep tasks, especially on smaller jobs. Only do this if it is clearly agreed in writing.

Typical prep tasks might include:

• removing turf or loose topsoil
• trimming vegetation back from the work area
• lifting removable garden edging
• exposing the area to be worked on
• disposing of small items from the site

Do not assume you should dig to final depth unless the concreter has confirmed the levels. Concrete slabs and driveways need proper fall for drainage and the correct base thickness. Getting the wrong depth can create problems with finished height, water flow and thresholds.

Plan for drainage and finished levels

Concrete should not trap water against your house or send runoff where it will cause issues. Before the work begins, confirm where water will go.

Ask your concreter about:

• falls away from the house
• whether existing drains, sumps or channel drains are being included
• how the concrete will meet lawn, paving or existing slabs
• whether door thresholds, garage floors or steps need a specific finished level

This is especially important on sloping sites, in heavy-rain areas, or where the new concrete meets older work. In many parts of New Zealand, sudden downpours can expose poor drainage design very quickly. It is much easier to fix levels before the pour than after.

Agree on the finish, colour and control joints

Small decisions can have a big effect on the final result. Before the pour, confirm:

• the finish type: plain, broom, exposed aggregate, coloured, polished or other
• the colour, if any
• the location of control joints
• whether the slab will be sealed
• the edge profile you want

If the concrete will be visible from the street or is part of an outdoor living area, ask to see examples of the finish you want. Colour and texture can vary between batches, weather conditions and application methods, so clear expectations matter.

If you have a preference for the joint layout, raise it early. Joints are not just cosmetic; they help manage cracking. A well-planned joint pattern usually looks better and performs better.

Make power and water available

Concrete work often needs access to water and power for tools, cleanup and finishing. Ask your concreter in advance what they need.

You may need to provide:

• a working outdoor tap with hose access
• an outside power point, if agreed
• a place for washing tools that won’t damage drains or gardens

If water pressure is poor or the tap is a long way from the pour area, let the concreter know. They may bring their own water, but it is better not to leave this to the last minute.

Let neighbours know if the job could affect them

Good neighbour communication can prevent complaints and delays. If the work may involve noise, shared boundaries, temporary parking changes or a truck blocking access, give neighbours advance notice.

This is particularly useful if:

• the driveway is shared
• access is through a right of way
• the pour is near a boundary fence
• the truck will need to stop on the street
• there are parking restrictions in your street

A quick heads-up can make the day much smoother, especially if the work starts early.

Have a realistic weather plan

New Zealand weather can change quickly, and concrete work is sensitive to rain, heat and wind. A good concreter will usually want flexibility around the date.

In summer, hot or windy conditions can speed up drying and make finishing harder. In winter, cold and wet conditions can slow curing and increase the risk of delays. If your job is scheduled during wetter months, be prepared for postponements if the weather turns poor.

Before the day:

• keep the site ready so a short-notice change is easier to manage
• avoid booking other trades immediately after the pour
• make sure you know the backup date or programme expectations

Being ready to reschedule is often the difference between a successful job and a rushed one.

Prepare for the pour day itself

On the day, your job is mostly to stay available, stay clear, and answer questions quickly.

A practical checklist:

• unlock gates and clear access
• remove vehicles from the street and driveway
• keep kids and pets away from the work area
• show the concreter where taps, switches and services are located
• confirm the final levels and finish before work begins
• keep your phone handy in case a decision is needed quickly

If you are planning to leave home during the pour, make sure the concreter has a way to contact you and that you have already agreed the key details.

When to discuss extra costs early

Some costs are easier to control if they are discussed before the job starts. Ask about likely extras such as:

• difficult access or hand-barrowing
• pump hire
• additional excavation
• spoil removal
• cutting into existing concrete
• decorative finishes or sealing
• urgent scheduling or weekend work

It is reasonable to ask how the quote could change if the site turns out to be harder than expected. A clear discussion upfront can prevent a dispute later.

A simple pre-concreter checklist

Use this quick list a few days before the booking:

The bottom line

The best way to save money on concrete work is not to cut corners on the pour itself; it is to remove avoidable problems before the job starts. A clean, accessible, well-briefed site helps the concreter work faster, safer and with fewer surprises.

If you’re hiring a concreter in New Zealand, get multiple written quotes, check references and ask about relevant experience with the type of job you need — whether that’s a driveway, patio, path or slab. A little preparation on your side can make a noticeable difference to the cost, timing and final result.