Retaining Walls Contractor in Taranaki & Whanganui
Expert Retaining Wall Design & Construction
Excavat Ltd is your reliable retaining walls contractor based in Hāwera, providing professional retaining wall design and construction services for local council, commercial, and civil projects throughout Taranaki and Whanganui. Whether you need a functional solution for soil retention, erosion control, or to create usable outdoor space, our experienced team delivers durable, engineered retaining walls built to last.
With a strong understanding of local soil conditions and terrain, we design retaining structures that ensure stability, safety, and enhance your property’s value.
Our Retaining Walls Services
Engineered Retaining Wall Construction
We design and build durable retaining walls using concrete, timber, stone, or block, tailored to suit each site’s structural and aesthetic needs. All walls are constructed to meet engineering and council standards.
Slope Stabilisation and Erosion Control
Our retaining solutions are ideal for managing steep or unstable land, helping to stabilise slopes, prevent erosion, and protect surrounding infrastructure.
Drainage and Stormwater Integration
We incorporate effective soil drainage and waterproofing behind every wall, and where needed, integrate the design with on-site stormwater management systems.
Infrastructure and Civil Projects
From road embankments to large-scale earthworks, we construct heavy-duty retaining walls for subdivisions, commercial developments, and civil infrastructure projects.
Why Choose Excavat Ltd as Your Retaining Walls Contractor?
Experienced Team
Skilled in complex retaining wall projects across local council, commercial, and civil sectors.
Local Expertise
Knowledge of Taranaki and Whanganui soils, weather, and terrain for best construction practices.
Quality Materials & Techniques
Use of durable materials and engineering methods for long-lasting walls.
Comprehensive Service
From design and permitting support to construction and finishing.
Health & Safety Commitment
Adherence to strict safety standards on every project.
HAVE QUESTIONS? WE’RE HERE TO HELP
Retaining Wall FAQs
We construct a range of retaining wall types including timber pole, concrete block, gabion, keystone, and engineered solutions for local government, commercial, and civil projects.
Yes, whether you need a small boundary wall for a commercial property or a large engineered structure for a civil project or subdivision development, we have the experience and capability to deliver.
Retaining walls are used to stabilise slopes, prevent erosion, create level areas for building, and manage water flow on sloped or uneven land. They’re often essential in commercial developments and subdivisions.
We work closely with engineers and can help coordinate the design and consent process where required. For larger or load-bearing walls, council consent and engineering are usually mandatory.
We follow engineered specifications and use quality materials, proper drainage techniques, and compaction to ensure walls are structurally sound and long-lasting.
Our team services the wider Taranaki and Whanganui regions, including New Plymouth, Hāwera, Stratford, and Whanganui city, as well as rural and subdivision sites.
Project duration depends on size, design, and site conditions. Simple walls may take a few days, while larger or engineered walls can take longer. We provide time estimates during the quoting process.
Our Retaining Wall Construction Process
Site Assessment & Design
We assess the site conditions, soil types, and slopes, then design retaining walls tailored to your needs.
Engineering & Permitting
Where required, we coordinate structural engineering and obtain necessary council consents.
Excavation & Foundation Preparation
Precise excavation and foundation work to ensure stable base for the retaining wall.
Wall Construction
Building with the chosen materials—concrete, timber, block, or stone—using professional techniques.
Drainage & Finishing
Installation of drainage behind the wall to prevent water pressure build-up and finishing touches for aesthetics.
VIEW SOME OF OUR RECENT PROJECTS
Retaining Wall Warning Signs: When Repair Is No Longer Enough
A retaining wall does one job: it holds back soil that would otherwise move. Most of the time it does that quietly for decades. But
Matau Road Retaining Wall
When a critical retaining wall failure threatened the safety and accessibility of Matau Road, the Stratford District Council contracted Excavat to clear and remediate the
Retaining Wall & Site Prep
Our client faced a significant challenge with their land, which sloped steeply from 8 meters high to ground level over a 25-meter area. They wanted
5000SQM Landscaping Project
Our client was building a new house on 5000sqm of former farmland and needed a beautifully landscaped section to complement their new home. We worked
Opunake Beach Retaining Wall
Ōpunake Beach was facing a significant issue with an old retaining wall that had begun to fail due to major erosion over time. We addressed
Testimonials
Local Expertise Serving
Taranaki & Whanganui
Excavat Ltd offers retaining wall services across Taranaki and Whanganui, including:
South Taranaki | Hāwera, Eltham, Normanby, Manaia, Kaponga, Pātea, Ōpunake
North Taranaki | New Plymouth, Stratford, Inglewood, Bell Block, Waitara
Whanganui region | Whanganui city, Castlecliff, Kai Iwi, Fordell, and surrounding rural areas
Our local knowledge helps us deliver retaining walls suited to the regional environment and council requirements.