Straight Sums shop
Simple spreadsheet templates for Excel and Google Sheets, made for UK side hustles, the self-employed, landlords and household budgets. Each is a one-off purchase, sold and delivered through Payhip, and every template has a free calculator on this site you can try first. Bundles save money if you need more than one.
Bundles
Save by buying templates that work well together.
- UK Self-Employed Starter PackThe Side-Hustle Income & Expense Tracker, Mileage & Allowable Expenses Log and Tax Set-Aside Planner together (£23 separately, save £6).£17
- UK Family Finance PackThe Household Bills & Budget Planner and the Pension & Adjusted Net Income Planner together (£14 separately, save £3).£11
Free template
Single templates
- UK Side-Hustle Income & Expense TrackerTrack side-hustle income and expenses for the tax year and see how much of your £1,000 trading allowance you have used.£9
- UK Self Assessment Tax Set-Aside & Payments on Account PlannerPlan how much to put aside each month for Income Tax, Class 4 NI and payments on account.£7
- UK Mileage & Allowable Expenses LogLog business journeys at HMRC rates alongside your allowable expenses.£7
- UK Freelance Invoice Tracker & Late Payment Interest CalculatorTrack invoices, see what is overdue and work out statutory interest and compensation.£7
- UK Landlord Rental Income & Expenses Tracker 2026-27Rent, expenses and mortgage interest for up to 5 properties, with the 20% credit and property allowance comparison.£7
- UK VAT Threshold TrackerYour rolling 12-month VAT taxable turnover, headroom before £90,000 and the date you must register by.£6
- UK Pension Contributions & Adjusted Net Income Planner 2026-27Find how much to pay into your pension or Gift Aid to get under the Child Benefit, £100,000 and childcare thresholds.£7
- UK Childcare Costs & Tax-Free Childcare Tracker 2026-27Log childcare bills and see the government's 20% Tax-Free Childcare top-up, the £500 cap and free hours.£7
- UK Household Bills & Budget PlannerEvery bill, whatever its frequency, turned into one monthly budget with renewal dates.£7
Printed log books
Prefer pen and paper? Our log books are printed and sold by Amazon.
- Mileage Log Book (paperback, Amazon)A printed 6 x 9 in log for 2,000 business journeys, with monthly totals and a yearly HMRC mileage claim worksheet. 120 pages.£7.99
- Self Employed Accounts Book (paperback, Amazon)A printed April-to-March cash book for UK sole traders: monthly income and expense pages, category totals and a yearly worksheet matched to the Self Assessment boxes. 120 pages.£7.99
- Rental Income & Expenses Record Book (paperback, Amazon)A printed April-to-March accounts book for UK landlords with 1 to 4 properties: rent and expense logs, mortgage interest, repairs and a yearly summary in the order of the UK property boxes. 112 pages.£7.99
The Mileage Log Book is also available from Lulu (£9.99). The Self Employed Accounts Book is also available from Lulu (£9.99). The Rental Income & Expenses Record Book is also available from Lulu (£9.99).
Puzzle books
Large print puzzle books from Straight Sums, printed and sold by Amazon. Coming soon: we will add the Amazon links here as soon as they are out. In the meantime, play our free daily word puzzle.
- Large Print Word Search for Adults: UK Edition90 puzzles on British themes, from garden birds and tea time to seaside holidays, railways and pub names, with solutions.Coming soon to Amazon
- Large Print Sudoku for Adults120 easy to tough puzzles, one per page, with extra-big numbers, tips for getting unstuck and solutions.Coming soon to Amazon
Every template works in Excel and Google Sheets. They are sold and delivered by Payhip, so checkout, payment and your download happen on Payhip. Prices are one-off, in pounds.
Not ready to buy? Every template has a free calculator on this site: see Tax & Pay, Self-Employed and Household.