Accounting & Finance

Home Office Can't Create a Loss

Business-use-of-home expenses cannot create a business loss and cannot deepen one - they stop at the net income remaining before they are taken - and the part that does not fit carries forward rather than disappearing. Both halves get missed, in opposite directions. On revenue of 10,000 with 6,100 of business costs, 2,000 of meals at 50% and 6,520 of vehicle cost at 9,000 of 24,000 kilometres, net income before the home deduction is 455. The home column is 14,500 at 15 of 120 square metres, or 1,812.50 - but only 455 of it can be taken, which lands net income at exactly zero, and 1,357.50 carries forward. Deducting all of it would report a 1,357.50 loss that is not allowed and treat that same 1,357.50 as spent, so the one mistake costs twice.

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Accounting & Finance

Canadian sole proprietors who work from home and file their own T2125, and the bookkeepers who would rather show a client the limit than argue about it.

How it works

  1. Enter the revenue, the kilometre log, the floor areas and the hours the space is worked in.
  2. Add costs on separate lines by kind: ordinary, vehicle, home, meals.
  3. Read net income before the home deduction - that figure is the ceiling.
  4. See what is allowed this year, what carries forward, and what deducting it all would have reported.

What you gain

  • Calculates the real home-office deduction within the income limit that stops it from creating a loss, and carries the unused part forward to next year instead of losing it.

Screenshot

Technical details

Standard27.99 USD · 1500 requests · 31-day license · one-time payment · 31-day access
Pro55.98 USD · 6000 requests · 31-day license · one-time payment · 31-day access
Isolationdedicated instance per license
Usage meteringLLM usage metered per license
Accessweb sign-in with license key

How to set up & use

  1. Buy the license — your key (lic_...) appears on the order page and in your email.
  2. Sign in at app.synoriaai.com with your license key.
  3. No installation — the product runs in your browser, on your own isolated instance.
  4. 1. Enter your total income for the year and the percentage of your home used for business, then click 'Save figures'.
  5. 2. Add each expense by selecting its type (Business, Meals, etc.), entering a description and amount, then click 'Add row'.
  6. 3. Review the list of expenses; the tool automatically applies the home-office limit so the deduction stops at zero and cannot create a loss.
  7. 4. See the result screen showing the allowable deduction this year, any unused amount carried forward, and a comparison of what would happen if the limit were ignored.
  8. 5. Adjust or remove rows as needed; the figures update instantly.

Frequently asked questions

Does this tool create or deepen a loss on my home office expenses?

No. It applies the income limit so your home-office deduction stops at zero and cannot create or deepen a loss. Any unused portion is carried forward to future years.

What data do I need to provide, and is it stored?

You only enter your income, home business percentage, and expense details. All data stays in your browser and is not sent to or stored on our servers.

Does this tool provide tax advice or preloaded rates?

No. It performs arithmetic on the figures you enter, using editable defaults only. It does not give tax advice or assume current year rates, as those vary by year and situation.

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Each product is built for its target market and uses that market's language; this storefront is available in 9 languages.

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