In general terms, the Tax Office takes the view that expenditure associated with a person's place of residence is more likely to be of a private nature.
However if you produce assessable income at home, or some of it, and you incur expenses from using that home as your "office" or "workshop", you will generally be in a position to be able to claim some expenses and make some deductions.
Deductions may be available from the use of your home to earn income in two circumstances. First, if it is used in connection with your income earning activities but isn't a place of business (that is, your home is not your principal place of business, but you might do a few hours of work there). The second situation in which you may be able to claim a tax deduction is when the home is also being used as a place of business. The tax implications are different depending on which of these circumstances applies.
In broad terms, expenses fall into the following categories — depreciation on equipment, running expenses, and occupancy expenses (if the home is used as an actual place of business).
There are deductions available for a "decline in value" (depreciation) of items such as electrical tools, desks, computers and other electronic devices, as well as for desk, chairs and so on.
If you use your depreciating asset solely for business purposes, you can claim a full deduction for the decline in value (generally over its "effective life"). Remember however that if you qualify as a "small business entity" (less than $2 million a year turnover) you could immediately write off most depreciating assets that cost less than $1,000. Note after the Budget announcement this write off has increased to $20,000 (pending becoming law). You may also be able to pool most other depreciating assets and claim a deduction for them at a rate of 15% in the first year and 30% thereafter.
However, if you also use the depreciating asset for non-business purposes, you must reduce the deduction for decline in value by an amount that reflects this non-business use. Talk to this office for more information about claiming depreciation expenses.
You can generally view running expenses as those costs that result from you using facilities in your home to help run the business or home office, so these would include electricity, gas, phone bills and perhaps cleaning costs. But again you can only claim a deduction for the amount of usage from the business or home office, not general household expenses.
Using your floor area may be an appropriate way of working out some running expenses. For example, if the floor area of your home office or workshop is 10% of the total area of your home, you can claim 10% of heating costs. An alternative can be to compare before and after average usage for each cost. Another possibility is to keep a representative four-week diary to work out a pattern of use for your home work area for the entire financial year.
Instead of recording actual expenses for heating, cooling or lighting, it may be easier to use the acceptable Tax Office rates for these expenses of 34 cents per hour based on actual use or an established pattern of use. This rate is based on average energy costs used in home work areas.
To use the 34 cents per hour method of claiming, keep a diary to record the amount of time you use your home office for work purposes. The diary must show a representative period of at least four weeks to establish a pattern of use for the whole year. Remember to always keep these diaries with your tax return paperwork as you may be required to support this deduction should the Tax Office review your return.
If you use a phone exclusively for business, you can claim a deduction for the phone rental and calls, but not the cost of installing the phone. If you use a phone for both business and private calls, you can claim a deduction for business calls (including from mobile phones) and part of the rental costs.
You can identify business calls from an itemised phone account. If you do not have an itemised account, you can keep a record for a representative four-week period to work out a pattern of business calls for the entire year.
Mostly what the Tax Office wants to see with all of the above expenses is that an effort has been made to establish a reasonable claim, and that the private or domestic part of these expenses has been excluded. Talk to this office about what will be most appropriate to your circumstances.
Deductions for occupancy
Occupancy expenses can only be claimed if you are using your home as a place of business, not just conveniently working from home as a salaried employee. This means that the Tax Office expects you to have an area of your home set aside exclusively for business purposes.
Occupancy expenses are those expenses you pay to own, rent or use your home. These include:
- rent, or mortgage interest
- council rates
- land taxes
- house insurance premiums.
You can generally claim the same percentage of occupancy expenses as the percentage area of your home that is used to make income, and again one common way to work this out is to use the floor area put aside for work as a proportion of the floor area of your home as a whole (as can be used for some running expenses, as mentioned above).
So if for example your home office is 10% of the total area, then you may be able to claim 10% of rent costs or mortgage interest, council rates and insurance. In some situations it may be necessary to adopt a basis other than floor area, for example where say a huge workshop attached to the home may take up a great amount of floor space but contribute much less to the value of the overall property.
Note that where you are running a business from home rather than having a home office you can opt to claim occupancy expenses, such as mortgage interest. However, you'll be expected to account for any capital gain attributable to the business area of the home when you sell the house. Generally the family home is exempt from capital gains tax (CGT), but if you've carried on a business based on the above, that portion of the home attributable to the business activity will be subject to CGT. There are however some CGT concessions for small businesses, which we can detail for you should this be relevant to your situation.
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