Precast Retaining Walls
Fix-free retaining wall systems for faster, simpler construction
A complete range of precast retaining wall systems
We design, supply and install precast concrete retaining walls for groundworks, housing, landscaping, infrastructure, waste facilities and AD plants across the UK.
The range includes precast cantilever retaining walls, often described as L-walls or L-shaped retaining walls, as well as higher-load, agricultural, decorative and bespoke systems.
With fix-free installation, interlocking joints, and units available in a wide range of heights and lengths, our walls are designed to make specification, handling, and installation more straightforward.
Explore Our Precast Retaining Wall Product Range Below
CLF10GS Cantilever Retaining Walls
Our most versatile l-shaped retaining wall system – perfect for groundworks, landscaping, and housing projects. Fix-free installation, 17 height options from 0.5m to 4.5m, and interlocking units up to 4m long mean faster builds, fewer joints, and cleaner results.
DLF10GS Heavy-Duty Retaining Walls
Engineered for higher loads without overengineering. With a 25 kN/m² surcharge capacity and HGV loading capability, DLF is designed for demanding developments, including retained access roads, loading bays, and flood zones, all with the same fix-free installation.
ELF Bespoke Retaining Walls
For critical infrastructure and storage projects where standard walls aren’t enough. Each ELF unit is custom-engineered to withstand higher loads, more demanding environments, or a longer design life – up to 120 years. Fix-free, fire-resistant, and built for the toughest jobs.
AGRI-L Retaining Walls
AGRI-T Retaining Walls
AGRI-U Retaining Walls
Agricultural Retaining Walls
Purpose-built for silage clamps in AD & Biogas projects and available in three profiles – L,T & U. Our Agri wall systems provide quick installation, 15-tonne axle load resistance, and SSAFO compliance as standard – everything you need to build efficient, sealed clamps that last.
Earth Bank Silage Walls
Precast concrete panels designed for high-capacity silage clamps. Each unit fits into a dedicated seating channel for quick, stable installation and long-lasting durability. Available in two heights up to 4.1m, the sloped face enables safe vehicle access for better compaction and maximum storage capacity.
Reckli® Decorative Walls
StoneboxTM Gabion Walls
A cost-effective retaining wall system with a natural stone finish that blends beautifully into landscaping and environmental projects. StoneBox™ combines precast performance with a shallow gabion façade, using 80% less stone, no cages, and delivering a cleaner architectural appearance.
What sets our precast products apart
Take a closer look at our precast concrete wall systems using our unique 3D product viewers. Rotate, zoom, and explore every detail – from lifting points and joint profiles to foundations, drainage, and backfill configurations. The exploded view option lets you visualise the construction details, supporting retaining wall design, and product specification.
Click The 3D Button To Launch The Interactive Product Viewer
Faster installation
Install up to 80m of precast retaining walls daily with fewer workers, without fixings, bolts, or on-site wet works.
Designed for real-world
We’ve engineered out common problems. Tongue-and-groove joints maintain tight wall alignment, even on uneven ground.
Value-engineered systems
Our precast units are designed with optimised concrete volumes and minimal reinforcement, delivering performance without waste.
Designed to Eurocodes
All our retaining wall systems comply with EN 1990, 1991, 1992, and 1997 standards for structural safety and peace of mind.
Cleaner, safer construction
No drilling, no grouting, no curing time. Less dust, fewer delays, and better results for everyone involved.
Reliable availability
We keep our core retaining wall range in stock and can deliver quickly, whether you're ordering 10m or 100m.
Consistent quality
Our walls are precision moulded using C60/75 self-compacting concrete for a clean finish and tight tolerances.
Sustainability built in
We use recycled water, lean reinforcement, and reduced cement volumes - reducing impact without compromising performance.
We had just under 800 metres of retaining walls delivered to site within a short period. The quality of the units is excellent, with a very consistent finish. A job well done in tight time constraints.
Steve Ripley – Pretoria Energy
Not sure what you need? Give us a call on 01949 480 250 or start with your application.
Groundworks & Civils
Speed up retaining wall installation with precast units designed for reliability and ease of use. No wet works, no curing delays – just quick, efficient l-walls that fit your programme.
Residential Developments
Make level changes simple to incorporate into housing plots with cantilever retaining walls that are ready to install. Our systems are clean, efficient, and designed for long-term durability.
Landscaping Projects
Shape terrain, manage level changes, and add visual detail with clean, structural lines. Choose from standard or decorative wall finishes to suit public spaces and landscape schemes.
Infrastructure Projects
Built for strength and engineered to perform, our retaining walls are used in highways, rail, ports and utility infrastructure. ELF bespoke options are available for complex or high-load projects.
Agriculture & Biogas
Precast wall systems for feedstock silage clamps, concrete bunds, and AD infrastructure. Quick to install and designed to meet sector-specific safety and containment standards.
Waste & Material Storage
Install retaining walls designed for heavy use in storage bays and recycling yards. Our precast systems are built for durability, quick turnaround, and minimal maintenance.
The Company We Keep
Sustainability without compromise
Our precast retaining wall systems are designed to minimise waste, reduce embodied carbon, and speed up installation.
This results in fewer deliveries, less concrete on site, and a smaller environmental impact for every project.
We use recycled water, optimise our cement mix, and design each unit to use only the materials it needs.
Ready to get started? Fill out the form beow and We’ll help you choose the right precast retaining wall system
Precast retaining wall FAQs
What is a precast concrete retaining wall?
A precast concrete retaining wall is manufactured in controlled factory conditions and delivered to site ready for installation. It is designed to retain soil, aggregate, silage or other materials while resisting the lateral pressure from the retained material and any surcharge loading above it.
Our range includes standard precast cantilever walls, high-load systems, agricultural walls and bespoke retaining solutions.
Are L-walls and cantilever retaining walls the same thing?
An L-wall is a type of cantilever retaining wall. Its vertical stem and horizontal base form an L-shaped profile, and the weight of the retained material over the base helps the wall resist sliding and overturning.
The terms L-wall, L-shaped retaining wall, cantilever wall and precast cantilever retaining wall are often used interchangeably to describe the same general wall type. Individual systems can still differ significantly in their dimensions, load capacity, joint design and installation method.
Do precast retaining walls need to be bolted down?
Not all precast retaining walls use the same installation method. Some L-wall systems are drilled and fixed to a reinforced concrete foundation, whereas our standard CLF and DLF cantilever walls are designed for fix-free installation.
The units are placed on a suitably prepared foundation, and their geometry, weight, retained material and interlocking joints provide stability in accordance with the project design. This removes the need to drill and install mechanical fixings through each unit.
What is the difference between a precast cantilever wall and a king post retaining wall?
A precast cantilever wall is a complete reinforced-concrete unit with a vertical stem and a base. A king post wall uses vertical steel columns embedded or concreted into the ground, with concrete, timber or other panels fitted between them. King post systems are commonly used where excavation space is restricted or where the posts can be installed directly into the ground.
Cantilever walls offer an uninterrupted concrete face without exposed steel posts. Our systems also provide options for interlocking joints, corners, curves, sloping tops and handrail-compatible wall tops. The best choice depends on the ground conditions, retained height, loads, available footprint and required finish.
How do cantilever retaining walls compare with interlocking concrete blocks?
Interlocking concrete blocks form gravity walls, relying primarily on the blocks’ mass and depth to resist the retained material. They can be useful for temporary bays, reconfigurable layouts, and bulk material storage.
Precast cantilever walls use reinforced structural geometry rather than mass alone. This typically results in a slimmer wall profile and a cleaner, continuous face, making them particularly well-suited to permanent earth retention, boundaries, housing developments, landscaping and infrastructure projects.
How much do precast retaining walls cost?
The price of a precast retaining wall depends on the wall’s height, length, loading requirements, unit type, foundation design, delivery location, and whether installation is included.
A low wall carrying a standard 10 kN/m² surcharge will have very different design and transport requirements compared with a taller wall beside an access road or supporting heavy plant.
Send us your drawings, retained heights and loading information, and we can recommend the appropriate system and provide an accurate quotation.
What information is needed to design a precast retaining wall?
The key information normally includes:
- retained height and wall length
- ground levels on both sides
- soil properties and allowable bearing pressure
- surcharge loads from vehicles, buildings or stored materials
- groundwater and drainage conditions
- foundation type
- wall alignment, corners and changes in level
- required design life, exposure class and finish
We can provide product data, CAD drawings, datasheets and structural calculations to support the retaining wall and foundation design.
Do you provide retaining wall design and structural calculations?
Yes. Our in-house engineering team can provide support with product selection, wall layouts, CAD information, datasheets and structural calculations for the precast units.
The foundation and overall ground stability must also be considered as part of the project design. Responsibility for those elements should be agreed at the outset so that the wall units, ground conditions and the foundation work together correctly.
How are precast retaining walls installed?
The foundation is prepared to the project design before the units are lifted into position using their cast-in lifting anchors and suitable standard lifting equipment. The tongue-and-groove joints help align adjoining units and maintain alignment as installation progresses.
No specialist wall installation machinery is required. Subject to access, wall height, layout, and site conditions, a team of three to four can typically install around 80 metres in a day.
What lifting equipment is needed to install the walls?
The appropriate plant depends on the weight of the units and the available lifting radius. A suitable 360 excavator, telehandler or mobile crane can normally be used with the specified lifting chains, shackles and cast-in anchors.
Unit weights and lifting requirements are shown in the product datasheets, allowing the installation team to plan the lift before delivery.
What wall heights are available?
The CLF10GS retaining wall range is available in 17 standard heights, from 0.5m to 4.5m, in 250mm increments. Standard units are typically 2m long, with selected heights also available in 4m lengths to reduce the number of lifts and joints. One-metre units are available where lower weights or tighter access make shorter units more practical.
Higher-load, agricultural and bespoke wall systems are also available when the standard L-wall range is unsuitable.
Can precast retaining walls accommodate corners, curves or sloping ground?
Yes. Layouts can include 45-degree and 90-degree corners, internal and external radii, stepped foundations and sloping-top units.
The consistent wall-top thickness also allows temporary edge protection or permanent handrails to be incorporated as required. Bespoke units should be identified during design so they can be manufactured to match the final wall layout.
