Is Buy-to-Let Still Worth It in 2026?

After a decade of tax changes, regulatory overhaul, and the sharpest mortgage rate rises in a generation, the question deserves an honest answer. Is buy-to-let still a viable investment in 2026?

The short answer: it depends entirely on your numbers. Not the national averages — your numbers. Your tax band, your mortgage, your property location, and whether you self-manage or pay an agent.

This article runs those numbers across three realistic scenarios so you can see where you'd land.

What's changed financially since 2016

The buy-to-let landscape in 2026 is fundamentally different from the one that attracted millions of investors in the 2000s and 2010s. Here's what shifted — and what it costs.

Some of these changes hurt. But notice that yields are up and rents have nearly doubled. The question isn't whether things are harder — they are. The question is whether the maths still works.

Section 24: the tax change that reshaped buy-to-let

Section 24 is the single most impactful change for leveraged landlords. Before 2017, you deducted your full mortgage interest from rental income before calculating tax. Now, you're taxed on your full rental income and receive only a 20% tax credit on the interest. For a detailed worked example, see our guide on how mortgage interest tax relief works under Section 24.

For a basic-rate taxpayer, the impact is negligible — you were getting 20% relief before, and you still get 20% now.

For a higher-rate (40%) taxpayer, it's significant. You used to get 40% relief on mortgage interest. Now you get 20%. On £8,250 of annual mortgage interest, that's a difference of roughly £1,650 per year in extra tax.

For an additional-rate (45%) taxpayer, it's worse still.

This is the change that tipped many higher-rate taxpaying landlords from profitable to marginal — and it's the main reason some are selling up.

CGT, SDLT, and compliance

The October 2024 Budget actually lowered residential CGT from 28% to 24% for higher-rate taxpayers. This partly offsets Section 24 — and makes selling slightly less painful if you do exit.

The SDLT surcharge rising from 3% to 5% discourages new purchases but doesn't affect existing landlords. If you already own, this is irrelevant.

RRA compliance costs are real but modest — typically £300–£700 in the first year and minimal ongoing. The compliance burden is more about admin time than direct cost.

The numbers — three scenarios

Let's use a realistic property: a two-bed terrace in the West Midlands, purchased at £220,000, renting at £1,100/month (£13,200/year). Gross yield: 6%.

Scenario A: Cash buyer, higher-rate taxpayer

No mortgage means no Section 24 penalty — you're taxed straightforwardly on profit.

A 3% net yield on a tangible, appreciating asset with rental income rising 5–8% per year. For many investors, this compares favourably to bonds, savings accounts, or dividend stocks — especially when you factor in long-term capital appreciation of 3–5% annually.

Scenario B: Mortgaged buyer, 75% LTV at 5%

This is where Section 24 bites.

But here's the Section 24 catch. HMRC taxes you on rental income minus allowable expenses (excluding mortgage interest) — not on your actual cash profit.

For a basic-rate taxpayer: £2,248/year net — tight but viable.

For a higher-rate taxpayer: £36/year net. Effectively break-even on cash flow. Your entire return comes from capital appreciation and the tenant paying down your mortgage (if it's a repayment mortgage).

This is why Section 24 has been called a "stealth tax" on small landlords. Large corporate landlords holding property in limited companies deduct mortgage interest as a business expense. Individual landlords cannot.

Scenario C: The agent fee difference

Now layer on letting agent fees and see what happens.

For a higher-rate taxpayer with a mortgage, using a letting agent turns a marginal investment into an outright loss. Self-managing is the difference between staying in the market and leaving it.

This is exactly why tools like LetSorted exist — to make self-managing viable without it becoming a second job.

If you're self-managing to stay profitable, you need the right tools. LetSorted handles compliance tracking, tenant screening, and evidence management — so the admin doesn't eat the savings. Start for free →

What the yields actually look like in 2026

National averages hide enormous regional variation. Where your property sits matters more than almost any other variable.

Source: ONS Index of Private Housing Rental Prices and industry data.

The pattern is clear: northern and Midlands properties deliver the best yields. London and the South East offer higher absolute rents but far lower yields relative to purchase price — and are most likely to be cash-flow negative after mortgage and tax.

However, yield isn't the whole picture. Southern properties have historically delivered stronger capital appreciation. If you're investing for 15+ years and can absorb short-term cash-flow pressure, a lower-yield London property may still outperform on total return. If you need positive cash flow now, look north.

The case for and against

The case for buy-to-let in 2026

Rent inflation is outpacing everything. Rents have risen 15–20% since 2023 and show no sign of stopping. The landlord exodus is shrinking supply while demand holds steady. This is structural, not cyclical.

Reduced competition strengthens your position. Fewer landlords means less competition for tenants, shorter void periods, and stronger pricing power. If you're already in the market, the barriers going up behind you protect your position.

Long-term capital appreciation remains strong. UK residential property has averaged 3–5% annual appreciation over any 20-year period in modern history. Combined with rental income, the total return on buy-to-let often exceeds other accessible asset classes.

It's a tangible pension alternative. Unlike stocks or bonds, property is a physical asset you control. For landlords planning to own outright by retirement, a mortgage-free rental property provides inflation-linked income indefinitely.

The case against

Section 24 hits higher-rate taxpayers hard. If you're a 40% or 45% taxpayer with a mortgage, the maths is brutal. You may be better off investing in ISAs, pensions, or company structures.

It's an illiquid asset. Selling takes 3–6 months. If you need cash quickly, property isn't the answer. And as we've covered, selling costs £20,000+.

The management burden has increased. The Renters' Rights Act, Awaab's Law, Decent Homes Standard, landlord register — the admin overhead is real. If you're not willing to invest time or use tools to manage it, the hidden cost is non-compliance risk.

Regulatory risk hasn't peaked. The RRA may not be the last change. EPC C targets, potential rent stabilisation measures, and further tenancy reform are all on the political radar. If you're uncomfortable with ongoing regulatory uncertainty, property may not suit your risk tolerance.

Who it still works for

Buy-to-let in 2026 isn't universally worth it — but it's not universally not worth it either. It works best for a specific profile:

Cash buyers or low-LTV owners. Without mortgage costs (and the Section 24 penalty), net yields of 3–4% are achievable. This is the group for whom buy-to-let has barely changed.

Basic-rate taxpayers. Section 24's impact is minimal at the 20% band. If your total income including rent keeps you below the higher-rate threshold, the tax maths still works.

Self-managers with the right tools. Cutting the 10–15% agent fee is often the single change that flips a property from loss to profit. If you're willing to manage with software rather than an agent, the profitability equation shifts decisively.

Northern and Midlands investors. Higher gross yields mean more room to absorb tax, mortgage costs, and compliance. An 8% gross yield property survives every scenario we modelled above.

Long-term holders. If you're investing for 10–20 years, short-term cash-flow pressure matters less than total return (rental income + capital appreciation). Property rewards patience.

The bottom line

Is buy-to-let still worth it in 2026? The honest answer: it depends on five numbers — your purchase price, your rent, your mortgage rate, your tax band, and your management costs.

For a cash buyer in the Midlands self-managing a property yielding 6%+, it's clearly worth it. For a higher-rate taxpayer in London with a 75% LTV mortgage paying an agent 12%, it's clearly not.

Most landlords sit somewhere between those extremes. The scenarios above give you the framework to work out where you land. Run your own numbers. Be honest about the costs. And remember that the biggest variable you control isn't rent or property values — it's whether you self-manage or pay someone else to do it.

If the numbers work for you — LetSorted keeps your compliance costs low and your admin under control. Free for your first property.

Frequently Asked Questions

What is the average buy-to-let yield in the UK in 2026?

The average gross rental yield in the UK is around 6.3% in 2026, up from 5.5% in 2022 due to rising rents. Net yields vary significantly — from 3.5–4% for cash buyers down to 0–2% for mortgaged landlords using letting agents. Location matters enormously: the North East averages 8%+, while London sits at just 3–4% gross.

How does Section 24 affect buy-to-let profitability?

Section 24 replaced full mortgage interest deduction with a 20% tax credit. This means higher-rate taxpayers are taxed on their full rental income, not their profit after mortgage costs. On a property with £13,200 annual rent and £8,250 in mortgage interest, a higher-rate taxpayer now pays roughly £2,630 more in tax per year than under the old rules. Basic-rate taxpayers are largely unaffected.

Is it better to buy a rental property with cash or a mortgage in 2026?

Cash buyers see significantly better returns — net yields of 3.5–4% versus 0–2% for mortgaged buyers. With BTL mortgage rates around 5%, the mortgage payments alone consume most of the rental income before tax. Cash buyers also avoid the Section 24 penalty entirely since there is no mortgage interest to deduct.