CU 29190 — Prefabricated wooden building manufacturing

ACC files this unit under Manufacturing, in the group “Other Wood Product Manufacturing”, in levy risk group 141.

The work this unit covers

Levy rate, 2026-27

Employer / self-employed (CoverPlus)$1.45 per $100 of liable earnings
Experience Rating programme rate$1.5544
CoverPlus Extra (standard)$1.98
CoverPlus Extra (lower weekly compensation)$1.88
At the 2026-27 maximum liable income ($156,641)$2,271 a year

Per $100 of liable earnings, GST-exclusive, as ACC publishes them; the Working Safer and Earners' levies are separate flat levies and are not included.

Rate history

Levy yearRate per $100Change
2024-25 $1.4 —
2025-26 $1.49 +$0.09
2026-27 $1.45 −$0.04

Commonly confused with

CU 23220 — Reconstituted wood product manufacturing

Reconstituted wood makes the sheet material — MDF, particleboard, chipboard, hardboard, OSB. This unit uses material like that to make whole buildings: kitset homes, garages, carports, gazebos, conservatories.

$1.45 against $0.65: $0.8 apart, CU 29190 dearer , $1,253 a year at the ceiling.

CU 29210 — Wooden furniture and upholstered seat manufacturing

Wooden furniture manufacturing makes what goes inside a building. This unit makes the building — prefabricated in a factory, assembled on site.

$1.45 against $1.13: $0.32 apart, CU 29190 dearer , $501 a year at the ceiling.

CU 23230 — Wooden structural fittings and components manufacturing

Wooden structural fittings are components: roof trusses, glulam, finger-jointed timber, wood-framed doors and windows, kitchen cabinets. This unit makes a complete prefabricated building rather than parts that go into one built on site.

BIC codes that map here

ACC assessors work from Business Industry Classification codes. These are the codes that land on CU 29190:

C149110Garage mfg – prefabricated nec
C149120Kitset home mfg
C149130Prefabricated building mfg nec
C149140Transportable home mfg
C222240Shed mfg – prefabricated nec

Changing a BIC code takes two agencies, not one.

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Source: ACC Levy Guidebook 2026-27. Extracted 2026-08-06. Maximum liable income from ACC — calculate your levies. All 537 classification units.