Darwin Retaining Wall Specialists
Darwin’s # 1 Landscape Designers
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Retaining walls are both an aesthetic and functional add-on to your garden or outdoor area. This structure will save the soil from eroding and sliding and at the same time give your outdoor area a boost to its looks. If you are in Darwin, NT, we are the name to trust for your retaining wall design and construction requirements. We serve residential and commercial clients in Darwin, Humpty Doo, Howard Springs, and Palmerston.
Our team of landscapers are fully trained and qualified to work with you on your garden renovation project from start to finish, from the original garden design to the construction of walls and finishes.
Darwin Retaining Wall Specialists are experts in designing and building different types of retaining walls such as concrete, stone, and gabion for various types of outdoor settings including gardens, patios, pools, and many others. Our team is comprised of experienced and highly-qualified landscapers who are passionate about the trade and here to take the stress away from you when renovating your home and garden.
Tree and shrub removal
Yard maintenance and cleaning
The main purpose of retaining wall installation is to prevent the soil from eroding or sloping downward or retain the soil materials. Aside from this, however, many home and business owners integrate retaining wall into their landscape design to boost its aesthetics and overall value. In addition to these, here are the many reasons retaining walls are beneficial:
- To protect nearby properties and structures – this is especially true when your property is located in a lower area where there is a risk of soil on higher grounds falling off or collapsing is high. The retaining wall will effectively hold the soil in place, preventing it from sliding downslide and cause damages.
- To utilise slopes and difficult contours – you may want to have your very own vegetable or flower garden but your property’s natural contours won’t allow you to do so. A retaining wall is the only solution for this as it allows you to change the contour and the slope to accommodate your dream garden.
- To boost the property’s aesthetic appeal – properties with well-designed and durably installed retaining walls are truly attractive to homebuyers. If you plan to sell your property in the future, investing in these retaining walls is surely worth it.
- To reduce yard maintenance – with retaining walls, you don’t have to worry about cleaning up soil falling off from higher grounds, which can sometimes be an eyesore. Garden beds retailing walls also make the surrounding look neat and clean.
There are many types of retaining walls that will make your garden and outdoor area looking pretty and neat, but there are just too many options out there that make choosing very challenging. Here are the most common choices for retaining walls of home and business owners in Australia:
Gravity Retaining Walls
✓ A cost-effective option for a required retaining wall height of 3 meters. It is designed to slightly lean backward and use its weight to hold back the soil.
✓ Often built with thicker base and with different heights, however, taller retaining walls may require extra support using a concrete footer or a trench.
✓ For smaller retaining walls, timber is often used as material. For taller walls, however, stronger and more durable materials like stone, brick, or concrete are better options.
Anchored Retaining Walls
✓ A perfect choice for spaces that require thinner retaining wall, and those that need to hold back heavy bank of soil.
✓ Better option than gravity retaining wall when taller and thinner retaining wall is required, but can be more expensive.
✓ Can be built with any type of retaining wall material – timber, concrete, or stone, but requires professional installation as it uses a pressurised concrete that must be secured to the ground using cables.
Sheet Pile Retaining Walls
✓ The best retaining wall to support softer soil, and can be built to taller height than the other types of retaining walls. It also requires the use of cables to secure the anchor and wall in place.
✓ An ideal choice to those with smaller spaces but need to install retaining walls that won’t disturb neighbouring structures.
✓ Depending on your space’s retaining wall requirement, steel sheets made from different materials like vinyl or timber may be used. Basically, however, the sheet pile is made from steel sheets.
Cantilever Retaining Walls
✓ Not commonly applied to residential spaces as it is more applicable to constructions where greater support is required.
✓ Offers very strong support that uses L or T-shaped footing buried deeply and firmly into the ground.
✓ Can be as high as 10 meters, and considered as one of the largest retaining wall systems.
✓ Usually uses a combination of brick and concrete retaining wall, but the support system is often made with reinforced steel or concrete.
✓ Not a DIY project as it requires careful design and planning to maximise its benefits.
customisable designs as it as allows you to stain or stamp patterns on the surface for a more unique look. Durable, strong, and offers better support than concrete blocks.
easier to install and use and way cheaper than the other materials, making it a better option when you choose to do it on your own.
a cheaper option that any other retaining wall materials yet may have to be replaced earlier as its lifespan is only around 10 to 20 years the most.
the most commonly used material retaining wall because it is tested and proven sturdy and durable. Made of brick block, stone, or concrete, and may be challenging to maintain and repair and a bit pricey as well.
Block and Brick Retaining Walls
comes in different styles and colours, and when combined with properly designed and constructed drainage system and a sturdy footing, the installation can serve you for many, many years.
Gabion Retaining Walls
makes a perfect complement to your stylish landscape design. It allows you to incorporate the use of cobble stone, sand stone, blue stone, granite, and river pebbles into your landscape.
Nature Stone Walls
uses rock and mortar that comes in different shapes, sizes, and colours. Truly a versatile option, and can even last longer than a house when installed and constructed accurately.
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Here are the frequently asked questions from our clients, and the answers will help you make a suitable choice.
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Do you need planning permission to build retaining walls in Northern Territory Australia?
If you own a residential property in Northern Territory Australia, and you are planning to build a new retaining wall that supports building work, you have to secure a building permit and building contract as well as a fidelity fund insurance. The government also requires you to hire a registered building contractor for the project.
Meanwhile, if the retaining wall does not support the building wall and as long as it is not over 600mm in height, you don’t have to secure a building permit. However, a building contact is recommended.
Can I build a retaining wall myself?
Building your very own garden retaining wall can possibly be a DIY project. This is especially true when it is not that high and tall, and that the soil erosion that you are preventing is not that serious. However, for taller retaining walls, you need to hire a professional retaining wall builder not only because they have the skills, experience, and the right equipment to get the job done, but the law tells you to do so.
How much does it cost to build a retaining wall in Australia?
There are many factors that determine the cost of building a retaining wall in Australia. This includes the size of the wall, the labour required (drainage requirements and excavation), and the materials needed. You should also consider the cost of hiring a licensed retaining wall builder, or a structural engineer.
A typical retaining wall installation, however, usually cost around $450 to $750 per square meter if you are going to use reinforced concrete blocks. This is an estimate covering both materials and labour. If you are building a taller or larger wall, you also have to prepare for fees to secure permits and other licenses required by the government.
What is the best kind of retaining wall?
The most common choice of material for building retaining walls is the poured concrete as it is the most durable among the rest. It is also very versatile as it can be easily formed and carved to resemble mortared stone. The designs and styles that you can do with poured concrete is just limitless. However, your choice of material will basically depend on your needs and preferences. Surely, though, you can find one that suits your taste and budget.
With Darwin Retaining Wall Specialists, we guarantee honest, ethical and upfront estimates on all jobs from the start, and ensure no hidden costs further down the track.
When it comes to residential or commercial retaining walls in Darwin, Humpty Doo, Howard Springs, and Palmerston, NT, we are the experts you can entrust your projects with. We are your one-stop retaining wall builder, offering a complete range of services you need to build your much-needed garden retaining wall. Maximise your outdoor space and build your own garden, call us up and ask for a free quote now!