
Dowman Contracting LTD
Dowman Contracting LTD is a trusted Whanganui based residential contracting company specialising in earthworks, site preparation and practical farm work solutions. We work with homeowners, lifestyle block owners and rural clients to prepare sites properly for new builds, sheds, driveways and land improvements. From retaining walls and offal holes to undercover yard clean outs and farm tracks, our team delivers reliable, hands on solutions backed by experience and quality workmanship.
Residential site preparation
Floor slab preparation
Retaining walls
Offal holes
Ground levelling and earthmoving
Storage shed and building site prep
Farm yard clean outs and farm tracks
01
Contact our team to discuss your residential project. We will listen to your plans, assess the site requirements and provide practical advice tailored to your property in Whanganui.
02
We organise the right machinery and plan the job carefully to ensure safe, efficient and accurate site preparation. We focus on getting the groundwork right so your build starts on a solid foundation.
03
Our experienced team completes the job to a high standard, ensuring your site is level, stable and ready for the next stage. We take pride in delivering quality results that homeowners can rely on.

Proper site preparation is essential for any new home build, extension or landscaping project. We clear, level and prepare residential sites throughout Whanganui to ensure they are ready for construction. Our focus is on stability, drainage and long term performance.

We prepare residential floor slabs for homes, garages and sheds. Our team ensures the base is level, compacted and ready for concrete, helping prevent future issues and ensuring a strong foundation for your build.

Whether you need land reshaped for a driveway, new build or landscaping project, we provide efficient earthmoving and levelling services. We work carefully to achieve accurate levels and proper drainage.

Planning to install a shed or outbuilding? We prepare residential and lifestyle sites to ensure a solid and level base for construction, helping your project run smoothly from the start.

Retaining walls are crucial for managing slopes, preventing erosion and creating usable outdoor spaces. We construct durable retaining walls designed to suit your property and provide long lasting support and stability.

We professionally dig and prepare offal holes for rural and lifestyle properties. Our team ensures correct depth and positioning to meet practical needs while maintaining safety and environmental considerations.

We provide practical farm contracting services across Whanganui and surrounding rural areas.



















★★★★★
Great to see the scale of work these guys handle. Professional team and top results. Makes a good job well done.

★★★★★
Solid workmanship and reliable service. You can tell they know what they are doing when it comes to large site preparation jobs.

★★★★★
Dowman Contracting prepared our commercial site and the job was completed efficiently and to a very high standard. Excellent communication throughout the process.

★★★★★
We needed ground preparation for storage sheds and the team delivered exactly what was promised. Reliable, organised and easy to deal with.

★★★★★
Professional earthworks contractors in Whanganui. They showed up on time, worked hard and left the site ready for the next stage of construction.

★★★★★
Very impressed with the level of detail and care taken on our project. Would highly recommend Dowman Contracting LTD for civil and groundworks.
Dowman Contracting LTD is a Whanganui based residential earthworks company specialising in site preparation, slab prep, retaining walls and offal holes. We provide reliable, professional groundwork services to homeowners and lifestyle properties across the region.
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