
About Site Preparation & Earthworks
As Wellington’s trusted site preparation and earthworks specialists, we understand that every successful construction project begins with proper groundwork. We recognise the importance of creating stable, well-prepared building sites that provide the perfect foundation for your project’s long-term success. Our experienced team handles all aspects of site preparation, from initial land clearing to final grade preparation, ensuring your project starts on solid ground.
From residential building sites and landscape preparation to commercial developments and infrastructure projects, we offer comprehensive earthworks solutions suited to Wellington’s unique terrain and challenging conditions. Our expertise in local soil types, drainage requirements, and council regulations ensures every site preparation project meets the highest standards.
Why choose us
With KHHS, we provide complete project support from initial site assessment through to final completion and handover.
Expert Planning
Comprehensive site evaluation and professional recommendations ensuring optimal preparation strategies tailored to your property's unique characteristics and project requirements.
Open Communication
Detailed project timelines, transparent pricing, and regular progress updates keep you informed throughout every stage of your site preparation project.
Local Specialists
In-depth knowledge of local soil conditions, drainage challenges, and council requirements means solutions specifically designed for Wellington's terrain and weather conditions.
Built to Last
Professional earthworks techniques and quality materials deliver stable, well-prepared sites that provide reliable foundations for decades of trouble-free performance.

Services offered
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Land Clearing & Site Preparation:
Transform raw land into construction-ready building sites with comprehensive clearing, debris removal, and initial site preparation services. We handle vegetation removal, rock breaking, demolition work, and site access preparation to create clean, accessible working areas perfect for your construction project while managing environmental considerations and council requirements. -
Excavation & Foundation Preparation:
Prepare stable foundations with precise excavation, trenching, and ground preparation services designed for Wellington's challenging terrain. Our earthworks team provides accurate dig-outs, drainage installation, utility trenching, and foundation pad preparation ensuring your building project has the solid, level base essential for structural integrity and long-term stability. -
Cut & Fill Operations:
Optimise your property's topography with professional cut and fill earthworks that create usable building platforms and manage steep terrain challenges. We provide bulk earthmoving, land contouring, drainage management, and retaining wall preparation to transform challenging Wellington hillsides into functional, accessible building sites while minimising material waste and project costs.
Popular questions
What site preparation services are required for building in Wellington?
Wellington building sites typically require land clearing, excavation, drainage installation, and foundation preparation. We handle council consent requirements, engineer specifications, and Building Code compliance. Our expertise in Wellington’s terrain ensures proper site preparation that meets all regulatory requirements for your building project.
How do you manage drainage during site preparation?
Proper drainage is critical for Wellington’s rainfall patterns. We incorporate comprehensive drainage design, including stormwater management, foundation drainage, and erosion control measures. Each site preparation includes appropriate drainage solutions designed to protect your building foundation and meet council stormwater requirements.
Do earthworks projects require council consent in Wellington?
Many earthworks projects, particularly those involving significant cut and fill operations or affecting natural drainage, require resource consent. Our team understands Wellington and Hutt Valley council regulations and can manage the consent process, ensuring all earthworks comply with local requirements before work begins.
What's the difference between site preparation and earthworks?
Site preparation encompasses the complete process of readying land for construction, including clearing, access, and utility preparation. Earthworks specifically refers to excavation, cut and fill operations, and ground manipulation. Both are essential components of preparing building sites for successful construction projects.
How long do site preparation projects typically take?
Site preparation timeframes depend on project scope, site complexity, and weather conditions. Simple residential sites may take 2-4 weeks, while complex commercial or hillside projects can require several months. We provide detailed project timelines and work efficiently to keep your construction project on schedule.
Can proper site preparation prevent future foundation problems?
Absolutely. Professional site preparation including proper drainage, soil compaction, and foundation preparation prevents settling, moisture issues, and structural problems. Quality earthworks provide stable building platforms that protect your investment and ensure long-term structural integrity in Wellington’s challenging conditions.
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