Rent-to-Rent Explained: UK Guide and Tax for 2026/27

Quick answer

Rent-to-rent is where you rent a property from its owner at a fixed monthly amount, then sub-let it to tenants for more and keep the difference. It can be legitimate, but only with written consent from the head landlord, the mortgage lender and the insurer, plus any HMO licence. Your profit is taxable as trading or property income.

What rent-to-rent actually is

In a rent-to-rent (sometimes "R2R") arrangement, you sign a contract with a property owner to pay them a set rent every month, whether or not you fill the rooms. You then let the property out -- often room by room as a house in multiple occupation (HMO), or on a short-let basis -- at a higher total figure. The gap between what you collect and what you pay, after running costs, is your margin.

The owner gets a guaranteed, hands-off income. You take on the management work and the void risk in exchange for the upside. Crucially, you are not buying anything: there is no purchase, no mortgage in your name, and no Stamp Duty Land Tax for you on the deal itself, because you are renting, not acquiring the freehold or leasehold title.

The consents you cannot skip

The single biggest reason rent-to-rent goes wrong is missing permissions. Before a penny changes hands you need:

• Head landlord consent to sub-let. Your agreement with the owner must explicitly allow you to grant tenancies to third parties. A standard assured shorthold tenancy does not.
• Mortgage lender consent. Most buy-to-let mortgages prohibit sub-letting. If the owner has a mortgage, the lender must agree in writing, or the owner is in breach and the lender could demand repayment.
• Insurer awareness. Buildings and contents insurance must reflect that the property is sub-let, possibly as an HMO. Non-disclosure can void cover when you most need it.
• HMO licensing. If unrelated occupants share facilities above the council's threshold, you likely need an HMO licence. Rules and fees vary by council, so confirm directly with the local authority -- do not assume.

Get a solicitor to draft or review the head agreement and the sub-tenancy agreements. The cost is small against the liability you are accepting.

How the money works: a worked example

Suppose you agree to pay an owner GBP 1,400 a month for a four-bed house, then let four rooms at GBP 650 each, collecting GBP 2,600. Your gross spread is GBP 1,200 a month. But running costs eat into that.

That GBP 400 a month, or roughly GBP 4,800 a year, is your taxable profit before any drawings or finance. The margin is real but thinner than the headline spread suggests, which is why void periods and a single difficult tenant can quickly turn a deal loss-making.

How rent-to-rent income is taxed in 2026/27

The tax treatment depends on your structure. There are two common routes.

Route 1: sole trader

If you run the operation in your own name, the profit is added to your other income and taxed through Self Assessment. For 2026/27 the income tax bands (England, Wales and Northern Ireland) are:

Scottish taxpayers use a different set of bands (19% starter through to a 48% top rate), so the numbers above do not apply if you are resident in Scotland.

On top of income tax, an active sub-letting business usually attracts Class 4 National Insurance: 6% on profits between GBP 12,570 and GBP 50,270, then 2% above GBP 50,270. If profits fall below the Small Profits Threshold of GBP 7,105 you can pay voluntary Class 2 NI at GBP 3.65 a week to protect your State Pension record. By contrast, plain buy-to-let rental income is not subject to NI at all -- one reason the trading-versus-property distinction matters.

Estimate your sole-trader bill with the

calculator, and sanity-check the income-tax slice with .

Route 2: limited company

Run the business through a company and the company pays Corporation Tax on its profit:

After Corporation Tax, you are taxed again when you take money out -- as salary (subject to PAYE and NI) or as dividends. The 2026/27 dividend rates are 10.75%, 35.75% and 39.35% across the basic, higher and additional bands, after a GBP 500 dividend allowance. This double layer is the trade-off for the lower headline rate and the ability to reinvest profit inside the company.

Model the company side with

and the extraction cost with .

Sole trader or company: which structure?

There is no universal answer. A single house netting a few thousand pounds a year rarely justifies a company; a portfolio of several rent-to-rent units that you keep reinvesting might. Run both scenarios with real numbers and take advice before committing -- changing structure later can trigger costs.

Trading income or property income?

A subtle but important question is whether HMRC treats your activity as a trade or as property income. Passive sub-letting with little involvement can look like property income; active management with cleaning, furnishing, bills and services can look like a trade. The classification affects which allowances apply and whether National Insurance is due. Because HMRC decides borderline cases on their specific facts, get a written opinion from an accountant rather than assuming.

The risks the operator carries

The operator sits in the middle and shoulders most of the risk:

• Void periods. You owe the head landlord the full rent even when rooms are empty.
• Tenant problems. You are the landlord to your sub-tenants, responsible for deposits, repairs and lawful eviction.
• Compliance failures. Unlicensed HMOs, missing gas safety certificates and unprotected deposits all carry penalties.
• Consent gaps. If the owner's lender or insurer was never told, the whole arrangement can collapse and leave you exposed.

None of this is a reason to avoid rent-to-rent, but it is a reason to do it properly, with paperwork, reserves and realistic margins.

Putting it together

Rent-to-rent can be a legitimate, low-capital route into property management, because you profit from operating rather than owning. The deal lives or dies on three things: getting every consent in writing, pricing in voids and running costs honestly, and choosing the right tax structure. Work out your true net profit first, then test it through the

calculator and, if you are considering a company, the one. For anything involving licensing thresholds, council tax bands or Stamp Duty on a related purchase, check the specific rules with your council or gov.uk -- those figures vary and should never be guessed.