Furnished Holiday Let Abolition Impact Calculator
Compare your tax before and after the furnished holiday lettings regime was abolished, including the mortgage interest restriction, the loss of capital allowances and the capital gains reliefs that went with it.
For thirty years the furnished holiday lettings regime treated a qualifying holiday let almost as if it were a trade rather than an investment. Meet the occupancy conditions — available 210 days, actually let 105 — and you got four things ordinary landlords did not: full deduction for mortgage interest, capital allowances on furniture and equipment, the capital gains reliefs available to trading businesses, and profits that counted as relevant UK earnings for pension purposes. All four went on 6 April 2025 for Income Tax and Capital Gains Tax, and 1 April 2025 for Corporation Tax.
Nothing was grandfathered. Your holiday let is now simply part of your UK property business, pooled with any other rental income and taxed under exactly the same rules. The occupancy tests are irrelevant, because qualifying no longer buys anything.
The mortgage interest change is almost always the biggest hit, and it is worth understanding why. It is not that the relief rate fell — it is that the mechanism changed. Interest used to come off your profit before tax, so relief was worth your marginal rate: 40% for a higher-rate taxpayer, 45% for an additional-rate one. Now interest is not deductible at all. In its place you get a tax reduction worth 20% of the lowest of three figures: your finance costs, your property business profits, and your adjusted total income above the personal allowance. Because the interest no longer reduces your reported profit, your income goes up on paper — which can drag you into a higher band, erode your personal allowance above £100,000, or trigger the High Income Child Benefit Charge, none of which show up in a simple rate comparison.
Capital allowances have been replaced by replacement of domestic items relief, which is narrower in two ways. It only covers replacements, so the initial cost of furnishing a property now gets no relief at all where the Annual Investment Allowance previously gave 100%. And it is like-for-like: upgrade a basic oven to a range cooker and you can only claim what the equivalent basic oven would have cost. One piece of good news — expenditure already in a capital allowances pool by 5 April 2025 keeps attracting writing down allowances, so those pools run off rather than disappearing.
On an eventual sale, business asset disposal relief, rollover relief and gift holdover relief have all gone. Selling one cottage and rolling the gain into another no longer works, and gifting a holiday let to your children is now a disposal at market value with tax due immediately. The BADR loss is smaller than it looks in older commentary: at 18% for disposals from 6 April 2026 against main rates of 18% and 24%, it is now worth 6 percentage points to a higher-rate taxpayer rather than the fourteen it was worth when BADR sat at 10%.
Losses are the one improvement. FHL losses brought forward, and any loss in the final year, become losses of your ongoing property business, so they can now shelter profit from a buy-to-let instead of being stranded against future holiday letting profits from the same property. UK and overseas property remain separate streams.
How this calculator works
- Enter your rental income, mortgage interest and running costs for a full year.
- Split your capital spending between replacing existing domestic items and everything else.
- Add your other taxable income, so the tool can find your marginal rate and apply the three-limb finance cost restriction properly.
- Compare the two columns and read the headline — then check the capital gains panel for what an eventual sale now costs.
Written by the CalcStack team
Figures for the 2026/27 UK tax yearlast verified Sources: HMRC: abolition of the FHL tax regime, GOV.UK: tax relief for residential landlords, GOV.UK: Capital Gains Tax rates
Your Holiday Let
Interest only, plus loan arrangement fees. This is the figure that used to be fully deductible and now buys a 20% tax reduction instead.
Cleaning, letting agent fees, insurance, utilities, council tax or business rates, repairs and maintenance. These remain deductible in full.
Like-for-like replacements of movable furniture, furnishings, appliances and kitchenware. Still relieved, through replacement of domestic items relief.
Initial fit-out and anything that is not a replacement. This used to attract 100% relief through the Annual Investment Allowance and now gets none.
Salary, pension or self-employment income. Needed to find your marginal rate and to apply the third limb of the finance cost restriction.
Sale price less purchase price and costs. Used only to show what losing the capital gains reliefs is worth.
Extra Income Tax Per Year
£3,000.00
£11,832.00 under the FHL rules against £14,832.00 now
£15,000.00 over five years on the same figures
| Before (FHL) | After (property) | |
|---|---|---|
| Rental income | £40,000.00 | £40,000.00 |
| Running costs | -£8,000.00 | -£8,000.00 |
| Mortgage interest | -£12,000.00 | Not deductible |
| Furniture and equipment | -£4,000.00 | -£2,500.00 |
| Property profit | £16,000.00 | £29,500.00 |
| Total income | £61,000.00 | £74,500.00 |
| Income tax | £11,832.00 | £17,232.00 |
| Finance cost tax reduction (20%) | n/a | -£2,400.00 |
| Tax payable | £11,832.00 | £14,832.00 |
Where The Difference Comes From
Mortgage interest relief lost
£2,400.00
£4,800.00 as a deduction (40.0% effective) against £2,400.00 as a tax reduction (20.0% effective)
Capital allowances lost
£600.00
£1,500.00 of non-replacement capital spend now gets no relief at all
These two components are measured separately, so they may not sum exactly to the headline where the change pushes you across a tax band. The headline is the accurate figure.
Capital Gains On An Eventual Sale
| Chargeable gain | £147,000.00 |
| CGT at main rates (18% / 24%) | £35,280.00 |
| CGT if BADR were still available (18%) | £26,460.00 |
| Cost of losing BADR | £8,820.00 |
Rollover relief and gift holdover relief have also gone, and neither is quantified here. Selling one holiday let and rolling the gain into another no longer works, and gifting the property to family is now a disposal at market value with tax due immediately. Watch the anti-forestalling rule for unconditional contracts entered into on or after 6 March 2024.
Pensions. FHL profits used to count as relevant UK earnings, the figure that caps how much you can pay into a pension with tax relief. On your numbers that was £16,000.00 of contribution capacity. Ordinary property income has never counted, so if the holiday let was your only income your tax-relieved limit is now £3,600 gross (£2,880 net) a year. If you have employment income, that salary still sets your limit up to the £60,000 annual allowance and nothing changes.
CalcStack Pro
Full FHL abolition impact report
Before vs After
Side-by-side tax under the FHL rules and the rules that replaced them
Interest Restriction
The cash cost of losing full mortgage interest relief
Capital Allowances
What replacement of domestic items relief does and does not cover
CGT Exposure
What losing BADR, rollover and gift relief means on an eventual sale
PDF Report
Branded impact report for you or your accountant
Checking your account…
Frequently Asked Questions
When was the furnished holiday lettings tax regime abolished?
The FHL rules ceased to apply for tax years beginning on or after 6 April 2025 for Income Tax and Capital Gains Tax, and from 1 April 2025 for Corporation Tax and corporation tax on chargeable gains. So the 2024/25 tax year was the last one under the old regime, and every year since has been taxed under the ordinary property income rules. Your holiday let income is now simply part of your UK property business, pooled with any other rental income you have, and reported on the same pages of your tax return.
What exactly did FHL landlords lose?
HMRC identifies four areas of beneficial treatment that have gone. One: exemption from the finance cost restriction, so mortgage interest was fully deductible and now is not. Two: the more generous capital allowances rules, replaced by replacement of domestic items relief. Three: access to the capital gains reliefs available to trading businesses — business asset disposal relief, rollover relief, gift holdover relief, relief for loans to traders and the substantial shareholdings exemption. Four: treatment of the profits as relevant UK earnings for pension purposes. There is no grandfathering. The 90-day availability and 105-day letting tests no longer matter, because qualifying no longer buys you anything.
Why is the mortgage interest change usually the biggest hit?
Because it changes the mechanism, not just the rate. Under the FHL rules interest came off your profit before tax, so a higher-rate taxpayer effectively got 40% relief and an additional-rate taxpayer 45%. Now interest is not deductible at all. Instead you get a tax reduction worth 20% of the lowest of three figures: your finance costs, your property business profits, and your adjusted total income above the personal allowance. For a higher-rate taxpayer with £12,000 of interest, that is the difference between £4,800 of relief and £2,400 — £2,400 a year, on the same mortgage. There is a second sting: because interest no longer reduces your profit, your reported income goes up, which can push you into a higher band, erode your personal allowance above £100,000, or trigger the High Income Child Benefit Charge.
What is replacement of domestic items relief, and how is it different?
It is the relief that ordinary landlords have had since April 2016, and it is narrower than capital allowances in two ways that matter. First, it only covers replacements — the initial cost of furnishing a property gets no relief at all, whereas the Annual Investment Allowance previously gave 100% relief on that first fit-out. Second, it is like-for-like: if you replace a basic oven with a range cooker, you can only deduct what an equivalent basic oven would have cost, though a genuine modern equivalent such as a more energy-efficient fridge is not treated as an improvement. Any proceeds from selling or part-exchanging the old item are deducted from the claim. It covers movable furniture, furnishings, household appliances and kitchenware; it does not cover fixtures such as a fitted kitchen or a boiler, which are repairs to the property instead.
Can I still claim capital allowances on equipment I bought before April 2025?
Yes, on the pooled expenditure. HMRC has confirmed that where expenditure was already in a capital allowances pool by 5 April 2025, writing down allowances, balancing allowances and balancing charges can continue to be claimed on that pool after abolition. What you cannot do is add new expenditure on furniture, furnishings or equipment to it — from 6 April 2025 that spend falls under the ordinary property business rules, which means replacement of domestic items relief or nothing.
Have I lost Business Asset Disposal Relief on the eventual sale?
For almost everyone, yes. BADR is not available on a disposal of an FHL business made on or after 6 April 2025. The only route left was to have actually ceased the business before that date — genuinely ceasing, not merely stopping taking new bookings — and then to dispose of the assets within 3 years of cessation, which closes that door in the spring of 2028. It is worth knowing the loss is smaller than it once was. BADR was 10% for disposals up to 5 April 2025, 14% for 2025/26, and is 18% for disposals from 6 April 2026. Main CGT rates are 18% within the basic rate band and 24% above it. So today the loss of BADR costs a higher-rate taxpayer 6 percentage points, and a basic-rate taxpayer nothing at all.
What about rollover relief and gift holdover relief?
Both are gone for holiday lets, because the activity is no longer treated as a trade. Rollover relief cannot apply where the replacement asset is acquired on or after 6 April 2025 for holiday letting purposes, so the familiar plan of selling one holiday cottage and rolling the gain into another no longer works. Gift holdover relief on a transfer to family is likewise unavailable, which means passing a holiday let to your children is now a disposal at market value with tax due immediately. Where you sold before abolition and rolled the gain into a genuine trade asset, the earlier claim stands. Watch the anti-forestalling rule: for unconditional contracts entered into on or after 6 March 2024 that complete after abolition, any rollover, gift or BADR claim must include a statement confirming the conditions are met.
How does this affect my pension contributions?
FHL profits used to count as relevant UK earnings, which is the figure that caps how much you can pay into a pension with tax relief. Ordinary property income has never counted. If the holiday let was your main source of income, this is a significant and often overlooked change: your tax-relieved contribution capacity falls to £3,600 gross a year (£2,880 net) unless you have employment or self-employment income elsewhere. If you do have a salary, that salary still sets your limit, up to the £60,000 annual allowance, and nothing changes for you here.
What happens to my accumulated FHL losses?
They survive, and they are more flexible than they were. Losses carried forward from the FHL business, and any loss made in the final year, become losses of your ongoing UK property business — or your overseas property business for an overseas FHL. Previously an FHL loss could only be set against future FHL profits from the same business, which made them easy to strand. Now they can be set against profits from any of your UK property, so a loss from the holiday cottage can shelter profit from a buy-to-let. UK and overseas remain separate streams, and they cannot be pooled together.
Is there anything I can still do about it?
A few things, none of them dramatic. Review the mortgage: because interest relief is now capped at 20%, a highly geared holiday let is a much weaker proposition than it was, and repaying debt now produces a better after-tax return than it used to. If the property is jointly owned with a spouse or civil partner, check whether the profit split matches the beneficial ownership — an unequal split has to be declared on Form 17 and backed by the actual ownership shares. Consider whether the incorporation numbers stack up, remembering the stamp duty and CGT costs of transferring, and that companies are outside the finance cost restriction entirely. And if you were relying on a capital gains relief for an exit, get the sums redone: the plan may still work, but it now works differently.
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