Writing Down Allowance

Annual Investment Allowance or Writing Down Allowance? – Which Is The Best Option?

If you are looking for a guide that can help you decide between Annual Investment Allowance and Writing Down Allowance, you are on the right page. Here, you will get to know the relief for capital expenditure relies upon the manner accounts are made and prepared.

Under the accruals basis, a deduction isn’t always possible for capital expenditure while computing income. But capital allowance is given as a substitute. On the other hand, when accounts are being prepared on a cash basis, and while you are calculating profits it is possible to deduct capital expenditures. To guide further, we will focus on the following:

  • Annual Investment Allowance VS Writing Down Allowance
  • AIA or WDA – The Better Option?
  • Nature of AIA and WDA

Annual Investment Allowance VS Writing Down Allowance


Annual Investment Allowance VS Writing Down Allowance:

Two major types of capital allowance are observed for expenditure on plants and machinery. These are known with names of the annual investment allowance and writing down allowance.

The AIA offers an instant deduction from income, while the writing down allowance (WDA) presents a deduction over a few of the years (the tax equal to depreciation).


Interested in ACCOTAX? Why not speak to one of our qualified accountants? Give us a call on 0203 4411 258 or request a callback.


Nature of the AIA:

The annual investment allowance lets a commercial enterprise deduct the whole price of an object while calculating taxable income. So if the annual allowance is enough and the expenditure is a qualifying expenditure. It may be claimed on maximum gadgets of plant and machinery, however, isn’t always be appreciated in case of vehicles.

From 1 January 2019 to 31 December 2020, the AIA limit is set at 1 million pounds. It is because of revert to the everyday stage of £200,000 from 1 January 2021. Where the accounting length falls completely in the length from 1 January 2019 to 31 December 2020. The AIA restriction is £1 million; when it spans for both of the dates, transitional regulations are useful to know the limit. Ensure to test your limit for the duration along with your accountant.


Nature of WDAs:

Writing down allowances can be claimed when the AIA isn’t a suitable option, due to the fact the restriction has been used up or, the expenditure is of a kind, which includes on vehicles, which is now no longer available for the AIA.

Items are allotted to the principle pool except they’re of a kind that ought to be allotted the charge pool or they’re in one asset pool. Cars with CO2 emissions of an extra 130g/km or extra, functions essential to a building, lengthy existence belongings or thermal insulation are allotted to the unique charge pool. Which has a decrease charge of writing down allowance of 6%.


Get an instant quote based on your requirements online in under 2 minutes, Sign up online or request a callback.


AIA or WDA – The Better Option?

Although the AIA presents instant relief for expenditure, claiming the AIA will now no longer continually be a fine choice. If the dealer is best making plans to maintain the asset for a quick time, claiming the AIA now can also additionally cause a big balancing price on disposal. This can be something that the commercial enterprise desires to avoid.

If you foresee that the annual investment allowance will disturb your personal allowance and there is a chance of creating a loss, it is wise to claim for writing down allowance.



So, to conclude, we can say that there isn’t the kind of size that suits all. Speak the fine choice to your commercial enterprise with your accountant. Remember you could tailor the claim; it isn’t always obligatory to assert the AIA on the whole quantity of the expenditure.

However, the AIA can best be claimed in a phase when the expenditure is incurred. After that, any stability must be relieved via way of claiming writing down allowances. We hope this article helped to develop a better understanding.


Can’t find what you are looking for? why not speak to one of our experts and see how we can help you are looking for. 


Disclaimer: This article intends to provide general information on annual investment allowances and writing down allowances.

Feeling Lost with Finances?
We're Here to Help!

Tax filings
0 +
Accounts filings
0 +

Request A Callback

Call Now