Timber, Block & Boulder Retaining Walls

Nelson and Tasman

Structural strength meets standout design.

Retaining walls carry real loads and need to be built right. Backed by Nick Thomsen's building qualification, we understand the exact structural engineering required for your site, not just the landscaping side. We work closely with engineers and geotechs if required, ensuring every project complies with council standards and is built to last. We work in timber, concrete block, and natural boulder to provide an honest solution that suits your ground and your investment.

A quality retaining wall does far more than just manage slopes or create terraced gardens. It is a statement piece that adds depth and character to your property. From functional structural barriers to integrated seating and planter boxes, we make every element a feature.

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Side-by-side comparison of a hillside before and after landscaping work. The left side shows an overgrown hill with bushes, rocks, and bare soil. The right side shows the same hillside with a new wooden retaining wall, newly planted greenery, and gra
A landscaped backyard with a raised mulch garden bed containing various green plants, a wooden deck at the bottom, a wooden fence, and a dirt hillside with some sparse shrubbery and trees in the background under a clear blue sky.
Broken bridge extending over a river with debris and trees in the background.
Construction workers and a cement mixer truck working on a hillside with plants and clear blue sky.
Construction site with earth-moving equipment, a wooden fence, and a house with a deck and satellite dish in the background, surrounded by lush trees under a clear blue sky.
Retaining wall richmond tasman.jpeg
A small outdoor patio area with a wooden fence, planters, and a gate, decorated with green plants and ferns, and a concrete pathway.
A backyard patio with wooden stairs leading to a grassy area, surrounded by a red wooden fence, with some plants along the fence line. There are chairs and a table near a dark-colored building with a door and a window reflecting the blue sky.
A backyard with a wooden deck and a artificial grass area, a raised garden bed with plants, a tall wooden fence, and a person watering plants in the garden.
View of an outdoor deck area with wooden flooring and a wood-paneled ceiling, enclosed by a wooden fence, with plants and trees visible beyond.
A modern single-story house with large windows, white walls, and a flat roof, surrounded by green lawn, plants, and trees under a clear blue sky.
Backyard garden with stepping stones, small plants, and a black wooden fence, overlooking a body of water in the distance.
A narrow outdoor staircase with concrete steps and a garden bed with small plants on each side, surrounded by a brick wall on the left and a wooden fence on the right, leading up to a small platform.

FAQs

When does a retaining wall require building consent in Tasman or Nelson?

1

Retaining walls over 1.5 metres in height, or walls carrying additional loads such as driveways, buildings, or sloped banks above, require building consent. For detailed local guidelines, review the Nelson City Council Building Consents Guide or the Tasman District Council Building Consent Guidelines.

Do I need a geotechnical report or structural engineer for my retaining wall in Nelson or Tasman?

2

Yes, for complex or consenting walls. Landscape Transformers works directly with local geotechnical specialists and structural engineers. We organise ground soil testing, engineering drawings, and Producer Statements (PS1, PS2, and PS3 documentation) required for council consent approval.

Who submits the retaining wall building consent to the council on my behalf?

3

Our team can liaise directly with structural engineers and can submit all required documentation, Producer Statements, and site plans to the local council on your behalf for approval.

How can a retaining wall be used as a design feature on my property?

4

A quality retaining wall is a statement piece that adds depth and character to your property. Nick can build walls that serve a double purpose—incorporating built-in bench seating, terraced planters, steps, and feature lighting into the build. By carving slopes into tiered areas, we create dedicated flat zones for outdoor entertaining, kids' play areas, or quiet garden retreats. We transform structural hillside barriers into architectural focal points that elevate your entire outdoor living area.

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Wooden pergola overlooking a park with trees, grass, and a river in the background during late afternoon.

Pergolas

Modern house under construction with construction workers and machinery, including a mini excavator, working on the site, with a clear blue sky in the background.

Earthworks

A backyard garden with small trees, bushes, and a raised garden bed, enclosed by a black metal fence, with a view of the ocean and a clear blue sky in the background.

Planter Boxes

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Testimonials

  • We highly recommend Nick and the Landscape Transformers team. We had a large and complex landscaping challenge, and the end result totally exceeded our expectations. Pricing was good, the quality or the work was excellent, and Nicks communication is about as good as it gets. The whole team were a pleasure to work with. Additionally, Nick did not just do the work, he played a major role in the landscape design, and he added immense value in this process. Use these guys and you will not go wrong.

    Danny & Meghan

  • Nick and the team did a great job transforming my back yard. From initial quote to finish communication was great. The workman’s ship is awesome and I am happy planting up a storm!

    — Sam

  • Thanks to Nick and his amazing team, our backyard has been completely transformed and we couldn’t be happier! They were efficient, professional, and got the job done quickly and perfectly. The quality of work and attention to detail was outstanding. Anyone looking to redo or improve their outdoor space should definitely give Nick a call. They truly went above and beyond, and we’re so grateful for the fantastic job they did. Highly recommend! Thank you again!

    — Lianne

  • Nick and his team from Landscape Transformers were an absolute pleasure to work with. We loved the collaborative design process and were impressed with the execution of the work, which included new fences, garden beds, coordinating with the company doing the driveway, irrigation, sourcing of plants, planting, and mulching. A job very well done, thanks Landscape Transformers.

    — Karin

  • At BLAC Design & Build, we highly recommend Nick and his team at Landscape Transformers. With Nick’s background as a qualified builder and years of landscaping experience, they consistently deliver reliable, high-quality results that perfectly complement our homes.

    BLAC Design & Build

  • As a building company, we regularly refer our clients to Landscape Transformers for their landscaping needs, and the feedback is always excellent. Their team is professional, creative, and delivers high-quality work that complements our high-end builds perfectly. Nick, the owner, is amazing to deal with—nothing is ever a problem, and he goes above and beyond to make sure clients are looked after. We value their reliability, attention to detail, and the way they make the process smooth for our clients. We are proud to associate with Landscape Transformers and wouldn’t hesitate to recommend them to anyone looking for a landscaper they can trust.

    Bruce Design & Build

  • Landscape Transformers Ltd. invoicing was accurate and a pleasure to pay. I felt I got excellent value for money, that I had the result I envisaged, and enjoyed a very pleasant working relationship with a clearly very capable and professional landscaper. Nick is definitely the man I would call upon for any further landscaping work I may require. I would not be slow to endorse and recommend Landscape Transformers Ltd. to anyone contemplating a landscape job irrespective of size or complexity. Nick Thomsen and his team are without doubt a thoroughly reliable, high quality and professional landscaping service.

    Ian & Carolynne