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File and pay your tax · Course 5 · Lesson 3 of 6

How are depreciation allowances calculated in Hong Kong?

  • 1 min read
  • Checked 29 October 2026
In this course · 3 of 6
Otty, the OCTIS octopus

The short answer

Hong Kong ignores accounting depreciation and gives statutory capital allowances instead. For plant and machinery: a 60% initial allowance plus annual allowances of 10%, 20% or 30% on the reducing balance, depending on the asset's working life. Industrial buildings get 20% plus 4%; commercial buildings 4% a year; some assets can be written off immediately.

Hong Kong replaces book depreciation with statutory capital allowances.

Plant and machinery (per the Inland Revenue Department's (IRD's) brief guide)

  • Initial allowance of 60% of cost.
  • Annual allowances on the reducing value at 10%, 20% or 30% depending on estimated working life, pooled by rate.
  • A balancing allowance on cessation of business and a balancing charge (tax clawback) when disposal proceeds exceed the pool's value.

Buildings

  • Industrial buildings and structures: 20% initial plus 4% annual.
  • Commercial buildings: 4% annual allowance.

Immediate write-off is available for capital expenditure on manufacturing machinery and plant, and on computer hardware and software, and for specified environmental protection facilities. Refurbishment of business premises is written off over five years of assessment.

Practical points

  • Disposals of assets in a pool can trigger a clawback (balancing charge).
  • Rules differ for assets bought from related parties and for IP rights, so look at the specific provision.
  • Keep the fixed-asset register in line with the tax computation.

The IRD's practice note on depreciation allowances gives the details and examples.

Legal basis and sources

The law

  • Inland Revenue Ordinance (Cap. 112), Part 6 and s.16G

General information for business owners, not legal, tax or professional advice. Rules change, so check the sources or ask a licensed professional before you act.

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    How are depreciation allowances calculated in Hong Kong? | OCTIS