Compliant, Rental-Ready in ~60 Days


Keep your property warm, dry, and rent-ready with a plan that hits the Healthy Homes standards — heating, insulation, ventilation, moisture/drainage, and draught-stopping — and gets you back on the market quickly. Landlords are responsible for meeting the standards (and documenting status in tenancy agreements).

Get an Estimate

Try the Estimator — then book a call to lock dates between tenants.

Why Us?

  • Locked-in timeline to minimise vacancy.


  • Transparent pricing with bank-friendly estimates.


  • Compliance confidence — scoped to the NZ standards; we handle documentation for your files. 


  • Everything coordinated — one accountable team from demo to tidy handover.

Popular landlord scopes: heating upgrades meeting the standard, insulation & ventilation improvements, draught-stopping, bathroom/kitchen refreshes between tenancies, retrofit double glazing or window replacements for comfort and condensation reduction.

Things You Need to Know

  • Do you handle both residential and commercial projects?

    Yes—our team delivers both, from planning through to maintenance.

  • Can you manage the building consent for me?

    Yes—we prepare and lodge applications, then coordinate inspections.

  • How long do most upgrades take?

    Scopes vary; our retrofit programme targets a 60-day turnaround from sign-off to handover.

  • Do you provide documentation I can share with owners/insurers?

    Yes—progress photos, milestones and a summary on completion.

  • What areas do you service?

    DNG  and Retronew operates from Christchurch.