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Home office expenses

Work out what a business can claim for the part of a home used for work. This uses the actual cost method: real household costs apportioned by floor area.

Inland Revenue’s guidance on using your home for business

Who this is for

These appear on the printed working paper, so it stands on its own in a file.

Client or business name

Year ended

Home address

Registered for GST

How much of the home is used for the business

Measure in square metres. Include only space genuinely used for work — a room used as an office, a garage used for storage or a workshop.

Office area

Garage area

Other business areas

Total area of home and garage

Business area

0 m²

Total area

0 m²

Business use

0.00%

Household costs including GST

Enter the full annual cost for the whole property. Turn off Has GST on any line that carries none — some insurance is exempt, and a small supplier may not be registered.

Expense

Total cost

Has GST

Business share

GST

Cleaning

—

Insurance — contents

—

Insurance — house

—

Power, gas and heating

—

Rates — land

—

Rates — water

—

Repairs and maintenance

—

Other

—

Total

—

Household costs with no GST

Mortgage interest and rent do not carry GST, so no GST is claimed on them.

Expense

Total cost

Business share

Mortgage interest

—

Rent paid

—

Other

—

Total

—

Who prepared this, and who provided the figures

Optional. If filled in, the printed working paper carries a short declaration and room to sign, so the person who supplied the areas and amounts can confirm them.

Prepared by

Firm or practice

Information provided by

A working paper, not adviceThis calculator produces a figure from the numbers you enter, following Inland Revenue’s published approach. It is not tax advice. Whether a particular cost is deductible depends on your circumstances, and the rules change from time to time. You are responsible for checking the figures and for what you file.

A free tool from Hubnexa. Hubnexa and DACLAN Investment Limited accept no liability for any use of it. Terms