Engineering Services Across the Kaipara District

Geotechnical, structural and civil engineering for the Kaipara District. Serving Mangawhai, Dargaville, Wellsford, Maungaturoto and beyond — one multi-discipline team based in Whangarei.

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Engineering Experts Serving the Kaipara District

Core Engineering supports residential and commercial development across the Kaipara District. From geotechnical site investigations and TP58 wastewater design to structural engineering and retaining wall design — our team delivers thorough, code-compliant solutions for projects throughout the district.

The Kaipara District spans diverse terrain, from the sandy soils of the east coast near Mangawhai to the heavy clays and peat deposits of the Kaipara Harbour margins. Our geotechnical team understands this variability and tailors investigations to give accurate, site-specific guidance rather than generic recommendations.

We are familiar with both Kaipara District Council and Auckland Council consenting requirements for the southern Kaipara boundary areas. Our multi-discipline approach means we can manage your geotechnical, structural and civil requirements as a coordinated package — saving you time, money and the coordination overhead of managing multiple engineers.

Geotechnical Engineering

Site investigations, CPT testing, foundation recommendations and slope assessments for Northland's varied ground conditions.

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Structural Engineering

Structural design for new builds, renovations, commercial and industrial buildings. Producer Statements and construction inspections.

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Civil Engineering

Subdivision, earthworks, roading and drainage design integrated with geotechnical and structural for complete delivery.

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Residential Engineering

Engineering for new homes, alterations, decks and residential structures with clear council consent documentation.

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On-Site Wastewater (TP58)

Wastewater system design to AS/NZS1547 and TP58 for rural and residential properties across Northland.

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Stormwater Management

Site-specific stormwater reports covering attenuation, detention and dispersal meeting Northland council requirements.

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Retaining Structures

Timber pole, crib, masonry and MSE retaining wall design for residential sections and commercial sites.

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Seismic Assessments

ISA and DSA seismic assessments with %NBS reporting for council and bank requirements on commercial buildings.

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Why Choose Core Engineering Solutions

Founded in Whangarei in 2020 by David Leslie, Core Engineering Solutions Limited was built around a simple idea: bring genuinely qualified, multi-discipline engineers under one roof and deliver real value to every client — not just a report, but a solution.

CPEng Qualified Team

Our engineers hold Chartered Professional Engineer (CPEng) status — the highest professional credential in New Zealand engineering. You get qualified expertise, not junior sign-offs.

30+ Years Cumulative Experience

Our engineering team brings over 30 years of combined experience across civil, structural and geotechnical disciplines — spanning residential, commercial, infrastructure and rural projects throughout Northland.

One Team, Every Discipline

Civil, structural and geotechnical under one roof. No coordinating between firms, no conflicting reports — your project is handled start to finish by a team that works together.

Pragmatic, Client-First Approach

We focus on practical solutions that work for your project and your budget — not over-engineered complexity. Clear communication, straightforward advice, and documentation that gets your consent through.

Local Northland Roots

Based in Whangarei with a Waipu office, we are a genuinely local firm — we know Northland ground conditions, councils and communities from the ground up.

Areas We Serve in the Kaipara District

Ready to Start Your Project?

Get in touch with our Whangarei team today. We are happy to discuss your project and provide an obligation-free quote.

Contact Us info@coreeng.nz