Apr 5, 2023 · Cost to rebuild a retaining wall Demolishing an old wall and building a new retaining wall costs $6,000 to $14,000 for an average 50-foot-long 4-foot-tall wall. Demolition costs range from $10 to $20 per linear foot , while rebuilding the wall costs $40 to $300 per linear foot , depending on the material and height. Nov 27, 2023 ... As a rough estimate, simple concrete block retaining walls may cost between $20 to $30 per square foot, while natural stone or decorative walls ...The combined retaining walls cost in Sydney. All things considered, you can expect to pay around $250 – 550 per square metre for a retaining wall in Sydney, on average. But to get a little more granular, you can explore the table below for the typical price ranges for different retaining wall materials.While some capstones can cost as little as $0.95 apiece, the average cost of a cinder block is $1 to $5 each.The total cost to build a cinder block wall, including installation, ranges from $15 to $30 per square foot or $60 to $240 per linear foot.Therefore, you can expect to pay between $1,500 and $6,000 for a 25 …A retaining wall is designed to hold back earth and create flat yard space. Learn to build one using shaped concrete blocks designed for this purpose. ... Estimated Cost: $60 to $100 Slopes can create big challenges when building landscaping projects. Many structures, including sheds, walkways, gazebos, and …The study of RCC walls and retaining walls using Geogrid for the comparison of costs is the main emphasis of this work. Index Terms - Cantilever Retaining Wall, ...Apr 13, 2023 · Because retaining walls vary so much in size, length, and design, it can be difficult to estimate the cost. Often, the price is calculated based on square-footage; that is, the surface area of the wall’s face. As a rough estimate, you’re looking at $25-35 per square foot at a minimum to cover materials and labour. Today, the age of corporate social justice is dawning. With the business case for diversity, equity and inclusion (DEI) now more vital than ever, we’re beginning to see organizatio...It's important to manage layoffs with compassion and clarity. You must treat each job loss with the empathy it deserves. There is no way to sugarcoat it: For many founders, 2022 wa...The American Airlines fleet plan continues to evolve. Here's what has changed and why it matters to passengers. It's no secret that American Airlines' 767s offer one of the worst h...In today’s competitive job market, attracting and retaining top talent is crucial for the success of any company. This is especially true in Canada, where the demand for skilled pr...4. Sturdy Fence. A wooden fence is generally a much more cost-effective option when it comes to building or replacing a retaining wall. If the budget is one of your main priorities, then a wooden fence will probably work well for you. As well as being cost-effective compared to concrete or stone solutions, timber fence …Retaining walls can help prevent erosion, add interest, and make sloping gardens more usable. Here are 42 garden retaining wall ideas for inspiration. ... Figuring out a way you can make two projects (such as creating a stone bench and building a retaining wall) into one can bring down the cost. …A retaining wall is designed to hold back earth and create flat yard space. Learn to build one using shaped concrete blocks designed for this purpose. ... Estimated Cost: $60 to $100 Slopes can create big challenges when building landscaping projects. Many structures, including sheds, walkways, gazebos, and …The average cost of Versa-Lok blocks is between $2 and $12 per block depending on the type. Here are the most common types of blocks: Standard Units: $2-$4 per block. Mosaic: $4-$6 per block. Cobble: $5-$8 per block. Accent: $6-$12 per block. For complete retaining wall projects, total installed costs typically fall within these ranges:Apr 13, 2023 · Because retaining walls vary so much in size, length, and design, it can be difficult to estimate the cost. Often, the price is calculated based on square-footage; that is, the surface area of the wall’s face. As a rough estimate, you’re looking at $25-35 per square foot at a minimum to cover materials and labour. Looking for a reliable Gold Coast retaining wall builder, excavator, or fencer? Call Statham Group on 0435 932 221 for a free quote. ... The cost and timeline for a retaining wall project depend on several factors, such as the wall's …A concrete retaining wall costs between $300 and $20,000, with the average homeowner spending $5,000 to build a concrete retaining wall. In general, you can budget between …Learn how to attract the right talent to your company with an inbound recruiting approach. Written by Tyrona Heath Every year Fortune Magazine publishes the top 100 companies to wo...Retaining Wall Types. Following are the types of retaining walls, 1. Gravity Retaining Wall. Gravity Retaining wall assures its stability by its own weight. These walls are majorly designed to eliminate the overturning effect of the lateral earth pressure and do not induce tensile stresses within the section.Want to know how much it'll cost to hire a builder to build a retaining wall? Click here to use the cost estimator and to find a retaining wall builder near you.A typical cost of a retaining wall really depends on what type of material you use to build it, a wooden wall would be the cheapest way to go, generally starting at $30 to $50 per sq/ft. For block walls or natural stone walls, they go for around $80 to $120 per sq/ft. The cost of retaining walls also depends on the size of the wall, and if you ...A retaining wall can cost anywhere from $1,000 for a smaller one to more than $10,000 for a larger one, according to trade website hipages. the difference in price … Low: Concrete May Run $750-$1,500 for an Average-Sized Wall. Medium: Wood May Run $1,000-$1,300 for an Average-Sized Wall. High: Stone May Run $1,250-$2,000 for an Average-Sized Wall. Retaining walls are typically built to create a flat area on a sloped parcel or to control erosion by holding back soil, but they can also be an attractive ... If you need an installer/contractor to complete the job, you will need to factor this into your retaining wall construction costs. If you use our products along ...Retaining wall cost. The average cost to build a retaining wall is $20 to $50 per square foot or $40 to $300 per linear foot. Installing a 50’ long retaining wall costs $4,000 to $10,000 on average. Retaining wall labor costs $10 to $30 per square foot , and material prices are $5 to $20 per square foot on average. See moreA cement wall gives your yard extra privacy, helps you define your outdoor spaces and can add a unique look to your home. If you’re willing to put in the time, you can construct yo...Stone filled Gabion Cage Retaining Walls can be used for retaining walls, interior design and exterior house walls with a huge Carbon reduction over Concrete Walls. Get started; Sign In; EDUCATION HUB. ... DRY STONE WALL COST($) CONCRETE WALL COST($) H = 3 Ft: 100: H = 3 Ft: 140: H = 3 Ft: 1 150: H = 10 Ft: 725: H = 10 Ft: 1 …Given the height, H of the retaining wall, we can assume or counter check our initial design considerations should at least according to the following geometric proportions: Base width: L= 0.5H to 2/3H. Thickness of base: D= 0.10H. Stem thickness at the bottom: C=0.10H. Width of the toe: B= 0.25L to 0.33L.Typical concrete retaining wall costs in South Africa. Standard Costs for interlock blocks can range from R800m2 – R1400m2 this does not include building costs. The building of the wall will cost anywhere from R1000m2 to R3000m2 depending on: Size and scale. Height. Products utilized.I need to add a retaining wall to my property. One resource I found had said an average cost would be $25 per sq ft. Is this including engineering and labor? I’m estimating the wall will need to be 60’ L and 4-6’ tall. Thinking of some type of stone exterior. Not just cinder blocks.One of the charges leveled against psychiatry’s diagnostic categories is that they are often “politically One of the charges leveled against psychiatry’s diagnostic categories is t...The cost estimation of steel rate including material and labour is Rs 10200 / MT. So cost estimation of Steel work=rate x quantity = 10200 x 7.65 =Rs 78030. So total cost estimation of retaining wall =Rs 760500+Rs 78050=Rs 838530. Add contingency to cost estimation of about 5% =838530×0.05=Rs …The cost of building a gabion or stone retaining wall can vary depending on factors such as materials, size, installation method, and local regulations. However, compared to other materials like concrete or brick, gabion and stone walls are considered cheaper options with prices ranging from $10 to $35 per square foot.A cement wall gives your yard extra privacy, helps you define your outdoor spaces and can add a unique look to your home. If you’re willing to put in the time, you can construct yo...When and How To Repair A Wall. A timber wall can be repaired by replacing the damaged timber sections. You can replace the damaged sections with new wooden boards. With this, the wall can get back its full strength. A concrete wall (cracks) can be repaired and you can also replace the damaged panels and posts to repair the wall.Here’s how much different retaining walls cost per m2: Concrete sleeper retaining walls: $350 – $550. Timber sleeper retaining walls: $250 – $350. Brick retaining walls: $250 – $650. Sandstone retaining walls: $200 – $500. Stone veneer retaining walls: $150 – $250.Lay the Base. Due to soil erosion, your retaining wall should be built on a solid foundation made from gravel. Choose gravel that has stones sized between 1/2-inch and 3/4-inch. Fill the trench with a 2- to 3-inch layer of gravel. Use a …Nov 27, 2023 ... As a rough estimate, simple concrete block retaining walls may cost between $20 to $30 per square foot, while natural stone or decorative walls ...Cost of Installing Retaining Walls for Pools. The overall cost of constructing retaining varies depending on the size of the pool and the materials used. Expect to spend between $7,000 and $20,000 to build a retaining wall for your pool. The cost can be higher or lower, depending on the type of wall you want.Want to know how much it'll cost to hire a builder to build a retaining wall? Click here to use the cost estimator and to find a retaining wall builder near you.Call Us:- 93021869. Email:- [email protected]. Address:- U9/17 Mosey Street Landsdale. Contact Us. Strong Lock is one of the most reliable concrete retaining walls you can buy. The products on offer include DIY retaining walls, concrete panel fencing, limestone walls, precast, panel & post walls, and more.Aug 25, 2022 · But how much does a retaining wall cost? Let's dive in and find out. How Much Does a Retaining Wall Cost on Average? According to data from HomeGuide, the average cost to build a 50-foot retaining wall is between $4,000 and $10,000 (CAD 5,100 and CAD 12,800). Most homeowners spend between $20 and $50 (CAD 25 and CAD 65) per square foot, or ... Apr 5, 2021 · The only way the wall owner is responsible is if the wall is on their side of the property line. If the retaining wall follows the property line, there are certain situations where full responsibility falls on the owner. These are the loopholes to the rules that cause most of the battles of the neighbors. 1. Cost of Installing Retaining Walls for Pools. The overall cost of constructing retaining varies depending on the size of the pool and the materials used. Expect to spend between $7,000 and $20,000 to build a retaining wall for your pool. The cost can be higher or lower, depending on the type of wall you want. Final Thoughts Retaining Wall Types. Following are the types of retaining walls, 1. Gravity Retaining Wall. Gravity Retaining wall assures its stability by its own weight. These walls are majorly designed to eliminate the overturning effect of the lateral earth pressure and do not induce tensile stresses within the section.Retaining walls are an important part of any landscape design. They can be used to create a terraced effect, to help prevent soil erosion, and to add visual interest to a garden or...We're looking for a concrete retaining wall that is at most 6' high and lowest 1'. Imagine it gradually goes down to that 1' over the course of 62'. ... For example the cost of concrete on the project is north of 17k. That doesn’t include profit, overhead , any pumps , clean up or labor but the stand alone cost of concrete without any fees ...Reinforced concrete retaining walls are concrete structures that are built to retain natural soil or fill earth. This study examines the lower cost-optimized design of retaining walls. Recently, a ...Please note that the prices mentioned above are average estimates and can vary. Additionally, labor costs, excavation, site preparation, and other factors should be considered when calculating the overall cost of building a retaining wall. 25 Cheap Retaining Wall Ideas: Affordable Solutions for Your Landscape 1. Timber Treated Walls: …You don’t have to be crafty to create a one-of-a-kind calendar for your whole family to participate in. Customize your own DIY wall calendar in just a few hours with these few simp...The study of RCC walls and retaining walls using Geogrid for the comparison of costs is the main emphasis of this work. Index Terms - Cantilever Retaining Wall, ...For a more aesthetic quality, choose natural stone, slate, or decorative brick. For homeowners wanting to maximize the retaining wall's strength on a steep slope, concrete blocks reinforced with steel rebar are another option. In some climates, retaining walls made from timber might also be an option worth …Retaining walls are an important part of any landscape design. They can be used to create a terraced effect, to help prevent soil erosion, and to add visual interest to a garden or...Overall, retaining walls can range in price from around $1,000 for small ones to over $10,000 for bigger ones. Timber retaining wall cost less than other materials. However, its structural integrity and longevity are limited. Choose treated hardwood, concrete, brick, or stone for a longer lifespan.Retaining wall installation cost in Omaha, NE is $32 to $35 per square foot (poured concrete). Includes price of labor for concrete retaining wall construction. Includes excavation, site prep, mold fabrication, pouring concrete, basic finishing, and cleanup. Cost excludes removal of existing wall, stamped or multi …The average cost to install a timber retaining wall is about $25.50 per square foot or $2,500 for pro installation of a 20′ long x 5′ high wall (100 sf). If doing it yourself, the same retaining wall cost is about $1,000 …Jun 26, 2020 · The total cost to have a concrete retaining wall installed will be a combination of material and labor prices. For a basic wall you can expect to pay between $30 and $60 per square foot. If you add a decorative finish, curves, steps, lighting or other upgrades, the cost will rise. When opting for a stone retaining wall, the choice between mortar and dry-stack construction can affect the cost of retaining walls. Dry-stack walls use friction and gravity to hold the stones or blocks together, which can reduce labor costs. Mortared walls, on the other hand, require skilled masonry work and add to the overall …Nov 29, 2023 · The national average cost to install a retaining wall is $6,300, with most Americans paying $3,500 – $9,400. However, small jobs can cost as little as $1,200, and large jobs can cost as much as $13,700. Retaining walls control runoff water and block wind, thus reducing floods and property damage. Dec 7, 2022 · Cost to build retaining wall (summary of material options) Cost to build retaining wall based on material type: 1) Boulder retaining wall cost is $24 to $66 per sf, 2) Railroad tie retaining wall cost is $14 to $37 per sf, 3) Poured concrete retaining retaining wall cost is $24 to $58 per sf, 4) Interlocking block retaining wall cost is $17 to ... Nothing but advantages. For predictable, cost-effective, and quick tieback installation, nothing beats a helical wall anchor. CHANCE® Helical Tieback Anchors are reusable and save labor, keeping crews, equipment, and costs minimal.Retaining wall repairs cost $100 to $1,500, depending on the wall material, problem, and the type and extent of the repairs. Fixing small leaks or cracks typically costs less than repairing a leaning retaining wall. Removing and rebuilding a retaining wall costs $6,000 to $14,000.GABION GRAVITY WALL SIZES & DIMENSIONS. DURA-WELD and DURA-FLEX gravity retaining walls can be designed and constructed up to approximately 30’, however due to the configuration of gabion gravity retaining walls their best suited for wall heights of 18’ or less. For wall heights of 18’- 36’ see the Stable Slope Section of this web site.An Allan Block wall this size would cost between $4,000 - $8,000. As you can see the cost can be quite variable. There are a few reasons for that variability in cost but as a general rule it all comes down to labour (for the most part). Some of the specific factors that determine the cost are as follow: Grade Changes (Slope) – If the wall is ...Sometimes you may want to take an office or home space and temporarily change the layout for a specific purpose. Collapsible partition walls make it easy to do so. You can change t...Retaining wall cost. The average cost to build a retaining wall is $20 to $50 per square foot or $40 to $300 per linear foot. Installing a 50’ long retaining wall costs $4,000 to $10,000 on average. Retaining wall labor costs $10 to $30 per square foot , and material prices are $5 to $20 per square foot on average. See moreThe retaining wall is laid very similarly to a home foundation, with rebar supported used for added stabilization. Stone veneers are then added around the wall so that it can either match the exterior of the home or the landscaping. The second popular type of retaining wall installation is constructed with concrete and rebar. Enter Wall Length: Input the length of your planned retaining wall in feet. Enter Wall Height: Specify the height of the wall in feet. Block Size: Enter the size of the blocks you plan to use, measured in cubic feet. Optional – Cost per Block: If you wish to calculate the estimated total cost, enter the cost of each block. This field is ... Poured concrete retaining walls Seattle are estimated to cost between $30 and $40 or $1500 up to $2000 for a 30 inches high and 20 feet long wall. If you hire ...The cost of building, repairing or maintaining a retaining wall depends on whether the retaining wall is necessary for the support and maintenance of a dividing fence between your properties. You should get an independent report from a structural engineer. You should also get legal advice.T-WALL® is a gravity retaining wall system, consisting of modular precast concrete units and select backfill. The system is a simple proven solution for grade separation on highway, bridge, railroad, water, commercial applications, and more. The concrete units are facing with monolithic perpendicular stems, forming the shape of a “T”.Cost is defined as “the overall price of the finished product” Rating: 3.5/5. As with any construction project, cost will be highly variable depending on a wide variety of factors. Narrowing our scope down to the most common scenarios you would see in retaining wall construction, retaining wall cost is primarily …If you’re building a wall made of stone which is the most expensive, expect to pay an average of £405 and above. The average cost of a retaining wall is between £250 and £405 per m². The final cost is influenced by the type and material of the retaining wall, amount of labour, and the ruggedness of the terrain.Definition. A retaining wall is designed to hold in place a mass of earth or the like, such as the edge of a terrace or excavation. The structure is constructed to resist the lateral pressure of soil when there is a desired change in ground elevation that exceeds the angle of repose of the soil.. A basement wall is thus one kind of retaining wall; however, the term …Apr 5, 2021 · The only way the wall owner is responsible is if the wall is on their side of the property line. If the retaining wall follows the property line, there are certain situations where full responsibility falls on the owner. These are the loopholes to the rules that cause most of the battles of the neighbors. 1. For larger retaining walls up to three feet high, these 6″ x 16″ x 10.5″ concrete garden wall blocks are the best for DIY projects. They are widely available, easy to work with, and relatively inexpensive. ... next layer. Is there a reason you didn’t do that? Also, I’ve seen recommendations of 12″ of backfill. Given the cost of ...Estimated Cost: $20 to $35 per square foot Retaining walls are used to create a transition from one level of ground to another. ... Building a retaining wall is suitable for DIYers as long as the wall is a maximum of 3 feet tall (in most areas). Anything taller should be handled by professionals.Retaining walls instantly enhance any landscape design. There are a variety of materials you can use to build a retaining wall, including patio stones, wood and poured concrete. Retaining wall cost varies by material. Poured concrete is typically the most expensive, followed by wood timber and then stones and pavers. Planning a Retaining Wall ...Retaining Wall Repair Options. Whether a retaining wall is built of stone, block, concrete or wood, it can begin to lean. When this occurs, the homeowner has two choices: either demolish the wall ...Looking for a reliable Gold Coast retaining wall builder, excavator, or fencer? Call Statham Group on 0435 932 221 for a free quote. ... The cost and timeline for a retaining wall project depend on several factors, such as the wall's …The Diamond Pro® retaining wall systems create flexible, cost effective solutions for a broad range of large commercial, municiple and residential retaining walls. It's the contractor’s choice for large-scale projects, such as tall walls, DOT projects (approvals vary by state), commercial developments, water applications and other critical ...A retaining wall can cost anywhere from $1,000 for a smaller one to more than $10,000 for a larger one, according to trade website hipages. the difference in price …The cost of retaining walls vary depending on a range of factors we will explore in this guide. While a small 3 ft wall may be constructed by a DIY enthusiast with …Stamped concrete retaining wall cost. A stamped concrete retaining wall costs $1,250 to $7,500 for a 25’ long wall or $25 to $50 per square foot on average. Installers typically build a concrete retaining wall first and then add a stamped design later. A concrete block retaining wall costs $15 to $45 per …Looking for a reliable Gold Coast retaining wall builder, excavator, or fencer? Call Statham Group on 0435 932 221 for a free quote. ... The cost and timeline for a retaining wall project depend on several factors, such as the wall's …An 8-by-8-by-16-inch concrete block weighs about 28 pounds. These blocks are used for a variety of different projects because they have a high compression strength of 1,800 pounds ...A retaining wall holds back an embankment of soil from an adjacent lower area. The cost of installing a retaining wall depends on the type of material, the size, the …Hiring a contractor to build a poured concrete retaining wall usually costs between $30 and $50 per square foot. However, construction costs may vary significantly based on a number of different factors, including the nature of the project, the job site location, the complexity of the design, and the scope of work …RCC retaining walls cost an average of Rs. 33,115 whereas Geo-grid reinforced soil retaining walls cost an average of Rs. 21,736 for a 6m height. For a 6m height, the cost savings as a percentage is therefore about 35%. Therefore, a geogrid reinforced soil retaining walls may have 50% cost savings when higher walls are to be constructed.
Call Us:- 93021869. Email:- [email protected]. Address:- U9/17 Mosey Street Landsdale. Contact Us. Strong Lock is one of the most reliable concrete retaining walls you can buy. The products on offer include DIY retaining walls, concrete panel fencing, limestone walls, precast, panel & post walls, and more.. Third eye blind deep inside of you
While gathering data from around the web, we came up with the average cost of building a retaining wall ranging from $1,000 to $9,000. For small to medium size builds, the average cost ranges between $20 to $60 per square foot or $30 to $150 per linear foot. For large builds and ones using high-end materials, expect to pay anywhere from $60 to ...The basic cost to Install a Block Retaining Wall is $8.81 - $11.71 per square foot in January 2024, but can vary significantly with site conditions and ...A basic retaining wall that’s 4 feet tall and 15 feet long potentially has to support up to 20 tons of soil pressure. With every additional foot of height, the pressure of the soil increases ...There's lots of talk about how AI will impact big banks, but finance firms still haven't figured out how to retain the talent needed for the work. Jump to Hey there! Dan DeFrancesc...Under the legislation, a retaining wall does not fall under the category of a dividing fence, even if it is on the point that separates two properties. The same applies to any wall that forms part of a house, garage, or other building. For retaining walls, maintenance is the responsibility of the owner, whereas for a strata scheme the ... In January 2024 the cost to Install a Block Retaining Wall starts at $8.81 - $11.71 per square foot*. Use our Cost Calculator for cost estimate examples customized to the location, size and options of your project. To estimate costs for your project: 1. Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials ... 1# The cheapest retaining wall type is the gabion basket wall. Gabion baskets are gravity designed and are built by filling galvanised wire baskets with stone. Gabion baskets are labour-intensive to construct. 2# The second cheapest retaining wall is the hollow block stepoc system. Stepoc is a cantilever L-shaped retaining wall. 4. Sturdy Fence. A wooden fence is generally a much more cost-effective option when it comes to building or replacing a retaining wall. If the budget is one of your main priorities, then a wooden fence will probably work well for you. As well as being cost-effective compared to concrete or stone solutions, timber fence …Estimated Cost: $20 to $35 per square foot Retaining walls are used to create a transition from one level of ground to another. ... Building a retaining wall is suitable for DIYers as long as the wall is a maximum of 3 feet tall (in most areas). Anything taller should be handled by professionals.RETAINING WALL WATERPROOFING USED ANCHOR GRIP MEMBRANE, Size: 1.8 M X 15 M, Thickness: 1.2 mm. ₹ 376/ Square Meter Get Latest Price. Wall Type: Retaining Walls Protection & Waterproofing. Thickness: 1.2 mm. Size: 1.8 m x 15 m. Material: Composite Plastics. Waterproofing Area: Basement and Retaining Walls. read more...Apr 5, 2021 · The only way the wall owner is responsible is if the wall is on their side of the property line. If the retaining wall follows the property line, there are certain situations where full responsibility falls on the owner. These are the loopholes to the rules that cause most of the battles of the neighbors. 1. The cost of your retaining wall per metre is heavily influenced by the retaining wall materials you employ. Expect to pay approximately: Treated pine costs from $250 to $350 per square meter. Sleepers/hardwood may cost between $300 and $450 per square meter depending on the treatment. For sandstone blocks, expect to pay anything from $300 to ... If you need an installer/contractor to complete the job, you will need to factor this into your retaining wall construction costs. If you use our products along ...When it comes to landscaping, one element that often goes overlooked is the landscape retaining wall. These walls not only add structural support to your outdoor space but also pro...When opting for a stone retaining wall, the choice between mortar and dry-stack construction can affect the cost of retaining walls. Dry-stack walls use friction and gravity to hold the stones or blocks together, which can reduce labor costs. Mortared walls, on the other hand, require skilled masonry work and add to the overall …Oldcastle 5.5-in H x 7.75-in L x 7.75-in D Tan Concrete Retaining Wall Block. Reinvent your garden with the Oldcastle planter wall block. This functional wall block allows you to easily create a raised garden bed, border or even outdoor furniture.Step Two: Calculate the Rows and Columns. Divide the wall’s width in inches by the block width and round up; this is the number of columns. Divide the wall’s height in inches by the block height and round up; this is the number of rows. For example, if your wall is 3 feet high and 30 feet long using blocks that are 6 inches high and 10 ...Retaining walls can help prevent erosion, add interest, and make sloping gardens more usable. Here are 42 garden retaining wall ideas for inspiration. ... Figuring out a way you can make two projects (such as creating a stone bench and building a retaining wall) into one can bring down the cost. Continue to 19 of 42 below . 19 of 42.A concrete retaining wall will cost you between $350 - $750 per square metre in New Zealand. (Includes installation, project management + GST. Excludes plaster and prep work). The cost is dependent on factors such as, size (height and thickness) as well as the type of concrete used and the complexity of the project..