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Information You Need to Supply for Professional Help with Your Tax Return

Information You Need to Supply for Professional Help with Your Tax Return

Information You Need to Supply for Professional Help with Your Tax Return

[Updated November 2025]: If you’re self-employed in the UK and earn more than £1,000 after allowable deductions, you need to file a self-assessment tax return each year. It’s not only the self-employed, though. If you are on a higher income* or receive untaxed income from things like property rental, tips, commission, savings, investments, dividends, or foreign income, you also have to submit a return. Partners in business partnerships and those who made a capital gain resulting in Capital Gains Tax (CGT) also need to submit a return. You can check here if you’re not sure.

If you do have to fill in a self-assessment tax return, getting all the tax return fields filled in properly and the figures right can sometimes be difficult. That’s where professional help from companies like Taxfile is worth its weight in gold. But what information will your accountant or tax advisor need from you? In today’s guide, we’ll explain exactly what you’ll need to supply.

* (Those earning more than £100,000 for tax years up to and including 2022-23, or over £150,000 for the tax year 2023-24. Higher earners earning only through PAYE for tax years thereafter only need to submit a tax return if their tax was not collected correctly at source). You can check here if you’re not sure.

What Information Do You Need to Supply for Professional Help with Your Tax Return?

If you’re getting help filling in and submitting your tax return through an accountant or tax advisor like Taxfile, a list of what they will need from you follows below. You’ll need to supply information for the right financial tax year, of course, unless you have a different accounting period.

For the purpose of this post today, let’s assume information will be required for the tax year starting on 6 April 2024 and ending on 5 April 2025.

Here’s what will be needed:

Income-related information if applicable:

  • Copies of all employment income documents (P60s, P45s, and P11ds), as well as any unreimbursed employment expenses.
  • Copies of all pension income documents (P60s, state pension notices, etc.).
  • Details of bank and building society interest.
  • Details of all investment income (interest, dividends, etc.), as well as details of any investments that may qualify for relief, such as the Enterprise Investment Scheme.
  • Details of any self-employed income and expenses (schedules and paperwork).
  • Details of any rental income and expenses (schedules and paperwork).
  • Details of any assets that were sold (or gifted) and may be subject to Capital Gains Tax (CGT).
  • Details of any other income received, including foreign income.

Potential tax relief information:

  • Details of any personal pension contributions made from taxed income.
  • Details of any gifts to charity using Gift Aid.

You’ll also need to confirm if there is any other information that may be relevant to the completion of your tax return.

Personal Information:

If you’re a new client or an existing client who hasn’t supplied them already, you’ll also need to provide the following:

  • A copy of your passport or driver’s licence. This is to comply with ‘Know Your Customer’ (KYC) and ‘Anti-Money Laundering’ (AML) regulations.
  • Confirmation of any changes to your personal details, such as a change of address.
  • If you or your partner receive Child Benefit, you’ll need to provide details.
  • If you have a student loan, you’ll need to provide details of the amount you paid during the year and the remaining balance as at April 5, 2025.

Once your accountant or tax advisor receives all of your information, they will be in a position to prepare your tax return. Once approved by you, they will be able to submit it to HMRC on your behalf.

Do You Need Help With Your Tax Return?

Taxfile would be delighted to help you with your self-assessment tax return — or any other type of tax return. We prepare and submit hundreds of tax returns every year for our clients as well as offering all the usual accountancy-related services like bookkeeping, VAT returns, end-of-year accounts for limited companies, arranging tax rebates for CIS sub-contractors and others, accounting for capital gains tax (CGT), payroll, auto-enrolment for workplace pensions and much moreIf it involves tax or accounting, we can help!

For help with any tax or accounting matter, call Taxfile on 020 8761 8000 or book your free 20-minute, no-obligation consultation here. Alternatively, send us a message and we’ll come right back to you. We’re tax advisors and accountants in Tulse Hill near Dulwich (SE21) in the South East.

Capital Gains Tax Hike: A Blow to Investors

Capital Gains Tax Hike: A Blow to Investors

Capital Gains Tax Hike: A Blow to Investors

October 2024’s Autumn Budget delivered a significant blow to investors with the announcement of increased Capital Gains Tax (CGT) rates. Today, we explore the new rates, how they will affect the sale of assets, and how investors can mitigate their effects.

The New Capital Gains Tax Rates

Effective from 30th October 2024, the basic rate of CGT will rise from 10% to 18%, and the higher rate will increase from 20% to 24%.

What This Means for Investors

These changes will make it more expensive for investors to realise gains from selling assets like shares, bonds, and cryptocurrency. This could lead to a number of consequences, including:

  • Reduced investment activity — investors may be less inclined to sell assets, particularly if they expect to make significant gains;
  • A shift towards tax-efficient investments — investors may seek out tax-efficient investments, such as ISAs and pensions;
  • A greater need for tax planning — investors may require more sophisticated tax planning strategies to minimise tax liabilities.

How Can Investors Mitigate the Impact of the CGT Increases?

Investors have several ways to mitigate the worst effects of the CGT rate increases. They can:

  1. Seek professional advice — a good tax advisor like Taxfile can help investors understand the full impact of the changes and develop a tax-efficient strategy;
  2. Review their investment portfolios to identify the potential tax implications of the new CGT rates;
  3. Utilise tax-efficient investments, for example, through the use of tax-efficient wrappers like ISAs and pensions;
  4. Time investments wisely — carefully timing the sale of assets may help to significantly reduce CGT liabilities.

Taxfile is Here to Help

Taxfile is here to help proactive investors navigate the new tax landscape and protect wealth. Contact us today if you would like professional help with any tax or accountancy-related issue. We’ll be delighted to help. The first 20-minute consultation is free and without obligation.

020 8761 8000 Book Appointment Contact Us

Taxfile are accountants in Tulse Hill in SE21, and Dulwich in South London.

Understanding Overpayment Relief – Types, Eligibility & How to Claim

Understanding Overpayment Relief

Understanding Overpayment Relief – Types, Eligibility & How to Claim

by Mohamed at Taxfile.

Have you ever felt that you’ve paid more in taxes than necessary? Whether due to calculation errors, changes in personal circumstances, or evolving tax laws, overpayments can happen to anyone. The good news is that there’s a way to reclaim those excess funds through the process of overpayment relief claims. In this comprehensive guide, we’ll walk you through the ins and outs of reclaiming your hard-earned money.

What is Overpayment Relief?

Overpayment relief allows you to recover money you’ve mistakenly paid to HMRC within four years after the end of the tax year in which the overpayment occurred. It’s a financial safety net that allows you to correct discrepancies and regain control of your finances. Understanding the concept is the first step toward putting your overpaid taxes back where they belong – in your pocket.

Types of Overpayment

The overpayment must be for income tax, capital gains tax (CGT), Class 4 National Insurance contributions (NICs), or corporation tax. It applies to both overpayments and excessive assessments.

Eligibility Criteria

You must have a valid reason for believing you overpaid tax. This could be an error in your tax return, incorrect coding by HMRC, or changes in your circumstances affecting your tax liability. You cannot claim overpayment relief simply by correcting your tax return after the deadline.

Claiming Overpayment Relief

You need to submit a formal claim to HMRC in the correct format, explicitly stating that it’s for “overpayment relief.”

The claim should clearly identify the tax year, the amount you believe you overpaid, and the reason for the overpayment. Include any supporting evidence, like documents confirming income, deductions, or expenses. Your claim must be submitted within specific time frames — generally, four years from the end of the tax year for which you’re claiming. Special rules apply for late claims.

Claim Format

Your claim must be made in writing, stating the tax year, the amount overpaid, the reason for your claim, and whether you’ve previously appealed. You cannot claim through your tax return.

For more information please refer to the HMRC website or get in touch with Taxfile.

Tax & Accountancy Help from Taxfile

At Taxfile we are skilled at identifying opportunities for additional savings, deductions, and credits that individuals might overlook. You can call us on 020 8761 8000 to schedule a free 20-minute, no-obligation consultation for any tax-related matter — or simply use the buttons below:

Taxfile is a tax advisor and accountant in Tulse Hill at 25 Thurlow Park Road, Tulse Hill, London SE21 8JP. We’re on the corner at the junction of Birkbeck Hill and the South Circular (A205), within easy walking distance of Tulse Hill station (map). We also have a Dulwich office.

New Taxfile Brochure - Download Here

New Taxfile Brochure – Download Here

New Taxfile Brochure - Download Here.

The new Taxfile brochure is out and you can download it here. Even if you’re an existing client, it’s worth taking a look in case we can help you in ways you weren’t aware of. We can help anyone e.g. the self-employed, directors of limited companies, partners in partnerships, sole traders, retired people, landlords, taxi and cab drivers, construction workers and just about anyone.

The new brochure covers:

  • Self-assessment income tax returns;
  • Services for SMBs;The new brochure from Taxfile - accountants and tax advisers in Tulse Hill, Dulwich, South London & the South West.
  • Accounts work for limited companies;
  • Bookkeeping and bank reconciliation;
  • Payroll & PAYE tax and National Insurance, company pensions and more;
  • VAT help, including for VAT schemes, registration and VAT returns;
  • Company pensions (auto-enrolment etc.);
  • Corporation Tax returns;
  • Confirmation Statements;
  • Making Tax Digital (MTD);
  • CIS calculations and tax rebates for construction workers;
  • Help with tax complications;
  • Taxfile brochure - inside spread.Dealing with HMRC on your behalf;
  • Joining or leaving various tax schemes;
  • Capital Gains Tax (CGT) calculations and handling;
  • Tax calculations relating to property income for landlords;
  • Disclosures of income not previously taxed (e.g. from abroad);
  • And much more.

Forward to a Friend – Free Consultation

Please feel free to forward the new Taxfile brochure to a friend who could benefit from our accountancy and tax-related services. We offer a free 20-minute consultation for new clients, without obligation.

020 8761 8000 Book Appointment Download Brochure

We are open 6 days a week during February including Saturday mornings (by appointment) and later opening (until 6pm) on Mondays and Tuesdays.

Taxfile's Autumn Newsletter 2021

Taxfile’s Autumn Newsletter 2021

Taxfile's Autumn Newsletter 2021

Our tax and accountancy-related newsletter is available as a PDF download tooWelcome to Taxfile’s Autumn Newsletter for 2021. One of our biggest yet, it includes useful tax- and accountancy-related news that you need to be aware of, ways to save time or money – and much more. Take a look!

QR Codes

QR codes are quick links you can scan on your mobile phoneYou’ll find QR codes throughout the newsletter. These are a quick and easy way to access further information about the topic. Assuming you are viewing the newsletter on a desktop device or a printed* version, simply point your mobile camera phone at a QR code and then open the link that pops up. Your mobile’s browser will then take you straight to the information page. Alternatively, we supply simple link URLs to simply tap in.

Acrobat PDF version availableDownload As an Acrobat PDF & Print Out

* If you’re viewing on a small screen, it may be easier to read if you download the newsletter as an Acrobat PDF so you can print it out at full size (A4). Read more

New 30-Day Rules for Capital Gains on Residential Property

New 30-Day Rules for Capital Gains on Residential Property

New 30-Day Rules for Capital Gains on Residential Property

New rules have now come into force in relation to capital gains made on disposals of UK residential property*. Several key actions are now required if a taxable capital gain has arisen, including some that now need to be made fast:

  1. Taxpayers need to report the property’s disposal within 30 days of the actual disposal;
  2. They will need to pay the estimated Capital Gains Tax (‘CGT’) to HMRC within 30 days of the disposal.
  3. Those who fill in and submit a Self-Assessment tax return will also need to include details of the disposal on their return.

Who Do the New CGT Rules Apply To?

The new rules apply whether you’re an individual, joint property owner, trustee, partner in a partnership or LLP, or a personal representative.

What Counts as a Residential Property Disposal?

The new rules apply to all UK residential property that was disposed of (taken as the date of the exchange of contracts) since 6 April 2020 inclusive, where a capital gain was made that will require payment of CGT.

To fall within the rules, a UK residential property must be one that:

  • is suitable for use as a dwelling, or;
  • is being built or adapted for use as a dwelling.

It can be one in which the the owner has never lived or has lived for only part of the period they owned it. It can also be a rental property or a holiday home.

Where a property has been used for mixed purposes, only the capital gain that’s equivalent to Read more

How we harness technology at Taxfile in Tulse Hill, Dulwich, Devon & Cornwall

Harnessing Technology at Taxfile

How we harness technology at Taxfile in Tulse Hill & Dulwich, South East London

The rapid pace of technological change has caused some of the biggest shifts in how we view and process our tax returns. At Taxfile, we’re constantly striving to use technology as effectively as possible to aid us in collecting, analysing, and collaborating when working on your personal data.

Over the pandemic, we’ve had to place our reliance even further on technology to maintain our standards, with regular meetings online. We’re constantly improving the efficiency of our work pipeline and, with the ability to pull figures directly from online bank statements, we can ensure precision in the numbers we present you with. For the last two years, we’ve implemented cloud technology as both a collaborative tool between our senior and junior staff and as storage for various databases used to track everything from employee working hours to the status of your tax return. We’re expanding further on this concept in collaboration with Pure Technology by merging our existing cloud systems with our current remote work solution to form one, all-encompassing workspace environment. Hosting it in the Microsoft Cloud ensures that, with the help of our office staff, your paperwork and bookings can be sent to and viewed by your tax agent as soon as possible. This and a variety of other endeavours are examples of our ambitions to be at the forefront of innovations, and constant review of our policies ensures we remain ahead, or on track, to meet the standards set by Making Tax Digital (MTD) for its 2023 launch.

Contact South London’s Favourite Accountant

Taxfile can help you with all your tax or accountancy requirements. We offer Read more

Taxes & Cryptocurrency

How crypto currency in the UK is treated for tax by HMRC

According to HMRC, ‘cryptoassets’ are cryptographically secured digital representations of value or contractual rights that can be:

  • transferred
  • stored
  • traded electronically

There are various types of cryptoassets including exchange tokens, utility tokens, and security tokens. HMRC does not consider cryptocurrency to be currency or money & their complete Cryptoassets Manual can be found HERE.

As far taxes are concerned, investing in cryptocurrency is akin to investing in other assets such as stocks, bonds, and the sale of rental properties.  This means that capital gains and losses rules apply when you ‘dispose’ your assets, and in this case your cryptocurrency.

HMRC explains that disposals include:

  • selling cryptocurrency for money
  • exchanging cryptocurrency for a different type of cryptocurrency
  • using cryptocurrency to pay for goods or services
  • giving away cryptocurrency to another person

Any of the above situations subject any profits to Capital Gains Tax (CGT) and the simple formula for calculating capital gains (or losses) is:

Fair Market Value – Cost = Profit or Loss

The fair market value is the market price of the asset at the time that you sold, traded, or disposed of it.  The cost is the price you paid at the time of the purchase.

Although this is a simple and logical calculation, calculating CGT on your profits becomes a bit more complex when you have multiple transactions to account for.  The UK requires a specific type of method for calculating the cost basis of your coins known as Shared Pool Accounting also known as a 104 Pool.

With the shared pooled accounting method, you are essentially Read more

Guy Tells No. 10 to Extend Self-Assessment Deadline

BREAKING NEWS: No. 10 Heeds Guy’s Plea — & Extends Self-Assessment Deadline!

HMRC Heeds Guy's Plea & Extends Self-Assessment Deadline!

[BREAKING NEWS:] 11 days ago we published a post confirming that Guy Bridger, Taxfile’s founder, had personally delivered a postcard to No. 10 Downing Street, making the case for an extension to the Self-Assessment tax return deadline until the end of February. In Guy’s postcard to Boris Johnson, he had argued that there was simply too much pressure on people during Christmas, the New Year and the month of January, due to the bottleneck caused by the Self Assessment tax return deadline.

Well, in some very welcome good news, it seems the Government has listened to Guy’s plea. This afternoon HMRC confirmed:

“Self Assessment customers will not receive a penalty for filing their 2019-20 tax return late, as long as they file online by 28‌‌ ‌February.”

They went on to say:

“We are still encouraging customers who have not yet filed to do so by 31‌‌ January, if possible.”

This is great news for the people of the UK, in what are otherwise challenging times. Tens of thousands of accountants across the nation will also be hugely relieved. We also suspect that under-pressure HMRC staff will be happy about this development.  Accountants and taxpayers across the UK may well be queueing to buy Guy a drink when the pubs re-open!

It’s important to realise, however, that the tax owed for the tax year 2019-20 will still be due by 31 January. HMRC will charge interest from 1 February as usual. Guy’s company Taxfile is here to help compute the figures, though. For those who wish to take advantage and submit tax returns online during the February extension, but also want pay tax by 31 January in order to avoid interest, we have now published some further guidance here on what to do. That new guidance will help even if you’re not yet 100% sure of the figures, so take a look via that bold link.

Contact Taxfile for Help with Tax Returns & Any Tax-Related Issue

To contact Guy Bridger or any of the helpful tax experts at his company Taxfile, simply get in touch. We’re here to help!

Book an Appointment
Send us a Message
T: 020 8761 8000

 

You can learn more about Guy Bridger, his involvement at The Office of Tax Simplification and his company Taxfile here. If you would like to read Guy’s original article about the postcard given to Boris Johnson, click here.

Guy Tells No. 10 to Extend Self-Assessment Deadline

Guy Tells No. 10 to Extend Self-Assessment Deadline

Guy Tells No. 10 to Extend Self-Assessment Deadline

[THERE IS BREAKING NEWS ABOUT THIS POST – CLICK HERE FOR MORE DETAILS]

Guy Bridger, Taxfile’s founder, has personally delivered a post card to Boris Johnson. He recently slipped it under the door of Number 10 Downing Street (there is no letterbox!).

The Issue with the Tax Return Deadline – & Guy’s Suggested Solution

In his communication to Boris, Guy suggested that the tax return filing deadline should be permanently extended, for example to the end of February, instead of 31 January as it is currently. In his proposed scenario, people would have longer to file their tax return. As well as taking the pressure off over Christmas, New Year and during January, this later deadline would also mean less likelihood of receiving a surcharge on the possible tax debt they owed for the last tax year’s calculation. Taking this a step further and with the help of video journalist David Gyimah, Guy has also been making a documentary about the tax return filing deadline and the immense pressure it puts people under during Christmas and the New Year — and especially during the entire month of January.

In contrast, limited company businesses currently have 9 months in which to file their accounts to Companies House and at the same time pay their taxes. Interestingly, they have 12 months to file their Corporation Tax return.

Guy & Taxfile

Guy has worked in South London for 25 years, dealing with members of the public and their tax responsibilities. At Taxfile, he has long-serving, thoughtful staff on hand six, sometimes seven, days a week every January. This is a measure of just how much work the current tax return deadline causes during this key accounting month every year. Taxfile makes it their task to remind — even nag — every customer about the deadline, as most of them will have to submit a Self-Assessment tax return by 31 January.

Consulting with the Office of Tax Simplification

Guy Bridger’s last visit to the Treasury was when he worked with The Office of Tax Simplification, resulting in the recognition that people actually prepare their self-employed accounts on a cash basis.

When Guy worked with John Whiting there, the other theme he was interested in was the idea that people who were sole traders perhaps didn’t need to form a limited company. This was because, in agreement with John and many members of the consultation body, it was our view that Read more