What is the average house price in Tower Hamlets in 2026?

Tower Hamlets had an average house price of £458,000 in April 2026, provisional (Land Registry / ONS), down 12.6% on the year. That fall is steeper than London as a whole, where prices were down 2.1% annually on the wider Land Registry measure over a similar period. The drop has come almost entirely from weaker buyer demand rather than a sudden change in what tenants will pay, since average rents in the borough kept rising over the same period. The combination of a falling denominator and a rising numerator is exactly why the borough's rental yield has climbed from 5.5% to 6.3% in a year. If you're watching this borough as a possible purchase, treat the price fall as the main story, not a footnote: you'd be buying an asset that's still working out its bottom, not one that's already stabilised.

Is Inner London a good buy-to-let investment in 2026?

It depends heavily on which borough and which tax band you're in, far more than the "London is too expensive for buy-to-let" assumption suggests. Tower Hamlets, Lambeth and Hackney are producing gross yields of 5.1% to 6.3%, genuinely competitive with cities like Manchester, while prime central boroughs such as Camden, Mayfair and Kensington sit at 2.5% to 4% and don't work as income plays at all. On a typical Tower Hamlets purchase, the deal clears roughly £109 a month before tax, comfortably passes mortgage lenders' rental cover stress tests, and stays cash-flow positive after tax for a basic-rate taxpayer. For a higher-rate taxpayer holding the mortgage personally, Section 24 turns that same deal into a monthly loss. Inner London can work, but only if you check the specific borough and your own tax position rather than trusting a single regional headline.

How much does Section 24 cost a higher-rate landlord in London?

On a typical £458,000 Tower Hamlets buy-to-let at 75% loan-to-value, a higher-rate taxpayer pays roughly £354 a month in tax once Section 24 is applied, turning a deal that clears £109 a month before tax into a loss of about £245 a month. A basic-rate taxpayer on the identical property pays around £22 a month in tax and stays roughly £87 a month in profit. The gap exists because Section 24 replaced full mortgage interest relief with a flat 20% tax credit in April 2020: a higher-rate taxpayer used to get 40% relief on interest and now gets half that, while a basic-rate taxpayer's relief barely changes. Because London mortgages are larger in cash terms than in cheaper cities, the same 20% credit shortfall costs more in pounds here than it does on an equivalent deal in Manchester, even though the percentage yield is similar. Run your own figures through a Section 24 tax calculator before assuming the headline yield is what you'll keep.

Do I pay the buy-to-let stamp duty surcharge on an Inner London purchase?

Yes. A buy-to-let purchase in Tower Hamlets, or anywhere else in England, carries the standard residential Stamp Duty Land Tax bands (0% to £125,000, 2% to £250,000, 5% to £925,000, 10% to £1.5m, 12% above) plus a flat 5% surcharge on the entire purchase price, because it's a second property (GOV.UK, confirmed current for 2026; the surcharge rose from 3% to 5% at the Autumn Budget 2024). On a £458,000 purchase, that works out at roughly £35,800 in total, including about £22,900 from the surcharge alone. This is a one-off cost at completion, not a monthly one, but it needs factoring into your return calculation in year one, since it can take the equivalent of two years of positive cash flow just to recover the surcharge portion. Scotland uses Land and Buildings Transaction Tax and Wales uses Land Transaction Tax instead, both with their own additional-property surcharges, so always check which applies before running the numbers on a purchase outside England.

Inner London: prices fell 12.6%, buy-to-let yield hit 6.3%

You've been watching Manchester's yield numbers for months, wondering whether you've already missed the good entry prices up there, while London keeps turning up in the news for the opposite reason: prices falling, sellers cutting asking prices, forecasters arguing about how much worse it gets. It's tempting to write the capital off entirely as a buy-to-let market and assume the yield story only works north of Birmingham. That assumption doesn't hold up in every borough, and it's worth checking before you rule London out.

Tower Hamlets, the strongest-performing Inner London borough for landlords right now, saw its average house price fall 12.6% in the year to April 2026 (Land Registry, provisional) while its gross rental yield climbed to 6.3%, up from 5.5% a year earlier. That's within touching distance of Manchester's headline 6.6%. The catch is the same one that applies everywhere: what the mortgage and the taxman leave you with is a very different number from the one on the yield table.

Why Inner London prices are falling while rents keep climbing

Tower Hamlets' average price stood at £458,000 in April 2026, provisional (Land Registry / ONS), against £2,419 a month for a typical two-bedroom rental (ONS Private Rental Market Statistics, cross-checked against homenicom market data, May 2026). London as a whole was down 2.1% annually on the same Land Registry measure and averaging closer to £553,000, so Tower Hamlets is falling faster than the wider capital, not just following it down. Meanwhile rents in the borough kept rising over the same period, up 2.4% annually to that £2,419 figure.

Run those two numbers against each other and you get the borough's yield jump: a falling price and a rising rent both push the same fraction in the same direction. That's mechanically identical to what happened in Manchester, where sub-£220,000 stock produces the headline 6% to 6.6% figures while the citywide average sits meaningfully lower. Compare the two markets properly with our buy-to-let yield calculator before assuming either headline applies to your own target purchase.

So if a rising yield is drawing you toward Tower Hamlets, remember you'd be buying into a price trend that's still falling, not one that's already found its floor: the income story and the capital story are pulling in opposite directions right now.

The real cost of buying in: mortgage, running costs and what's left

Take a £458,000 purchase at 75% loan-to-value: a £343,500 mortgage against a £114,500 deposit. The average fixed-rate buy-to-let mortgage stood at 5.42% on 1 July 2026 (Moneyfacts). On an interest-only basis, standard for most buy-to-let lending, that's £1,551 a month in interest. Add a 12% letting agent management fee (£290), a one-month-a-year void allowance (£202), landlord buildings insurance at the UK median of roughly £25 a month (NimbleFins landlord insurance data, 2026) and a 10% maintenance reserve (£242), and monthly outgoings come to £2,310. Against £2,419 in rent, that leaves £109 a month before tax.

That deal also clears mortgage lenders' rental cover stress tests with room to spare: rent of £2,419 against interest of £1,551 is a cover ratio of 156%, above both the 125% threshold most lenders apply for basic-rate borrowers and the 145% threshold applied to higher-rate taxpayers. Affordability at the mortgage-approval stage was never going to be the obstacle here. Check your own numbers against these assumptions with our mortgage calculator.

So before tax, this deal is thin but genuinely positive at £109 a month: the real test of whether it works is what happens once your tax return is involved, which is where the two tax bands split sharply.

Section 24 hits harder here than in Manchester, in cash terms

Since April 2020, mortgage interest is no longer deducted from taxable rental profit. Instead, HMRC taxes profit before interest relief, then hands back a flat 20% credit on the interest actually paid. On this property, annual rent is £29,028. Deduct the non-finance running costs (management, void allowance, insurance, maintenance: £9,105 a year) and taxable profit before interest relief is £19,923. Annual mortgage interest is £18,618.

A basic-rate taxpayer owes 20% of £19,923 (£3,985), less a 20% credit on the £18,618 of interest (£3,724), for a net tax bill of £261 a year, or £22 a month. Take that off the £109 monthly cash flow and they clear about £87 a month. A higher-rate taxpayer owes 40% of £19,923 (£7,969), less the same £3,724 credit, for a net tax bill of £4,246 a year, or £354 a month. Take that off the same £109 monthly cash flow and the property is losing £245 a month.

That's a bigger cash loss than the £151 a month we calculated on a typical Manchester buy-to-let for a higher-rate taxpayer, even though Tower Hamlets' gross yield is slightly lower than Manchester's. The reason is simple: the flat 20% credit doesn't scale with the size of your mortgage in the way full relief used to. A bigger loan means a bigger interest bill, and the shortfall between 40% relief and a 20% credit gets bigger in pounds even when it's identical in percentage terms. Run your own figures through our Section 24 tax calculator rather than assuming a similar-looking yield means a similar-looking tax outcome.

The maths, in one place:

Purchase £458,000 at 75% LTV · Rent £2,419/month · Gross yield 6.3% · Net yield (before finance) 4.3% · Cash flow before tax +£109/month · Basic-rate tax £22/month, net +£87/month · Higher-rate tax £354/month, net −£245/month.

So if you're a higher-rate taxpayer planning to hold this kind of property in your own name, the maths says you'd be funding a £245-a-month shortfall out of your other income, not collecting the 6.3% the yield table promised.

Stamp Duty and where the yield spread actually sits across Inner London

Buying a second property in England, including anywhere in Inner London, means paying the standard residential Stamp Duty Land Tax bands (0% to £125,000, 2% to £250,000, 5% to £925,000, 10% to £1.5m, 12% above) plus a flat 5% surcharge on the whole price (GOV.UK, confirmed current for 2026; the surcharge rose from 3% to 5% at the Autumn Budget 2024). On this £458,000 purchase, that's roughly £35,800 in total, including £22,900 from the surcharge alone, payable at completion rather than monthly. Use our Stamp Duty calculator to check the figure on your own target purchase before you commit to an offer.

That bill also needs weighing against how much "Inner London" varies borough to borough. Lambeth is producing yields around 5.5% and Hackney around 5.1% (Property Reporter / Intermediary borough yield data, March 2026), both solid but below Tower Hamlets. Prime central boroughs are a different story entirely: a typical three-bedroom property in Camden runs to roughly £972,000, rents for around £2,874 a month, and nets a yield of just 2.7% (Investropa London rental yield data, 2026), while prime central London postcodes such as Mayfair, Belgravia, Knightsbridge and South Kensington regularly sit at 2.5% to 4% gross. That's the same postcode-level spread we found across Manchester, just at a different price point.

So if you're being sold on "Inner London yields," ask which borough the number actually comes from: a Camden or Kensington example bears almost no resemblance to Tower Hamlets, and the difference isn't a rounding error, it's the difference between an income asset and a pure capital-growth bet.

What this means for you

If you're a higher-rate taxpayer weighing a mortgaged Tower Hamlets purchase in your own name, the maths above points toward one of two moves: buy through a limited company, where mortgage interest stays a fully deductible business cost against corporation tax rather than a flat 20% credit, or don't buy this asset at all right now. A £245-a-month loss on top of a £35,800 Stamp Duty bill, into a market that's still falling 12.6% a year, is a lot of downside to accept for a yield you won't actually collect after tax.

For a basic-rate taxpayer, the calculation looks genuinely different. Clearing £87 a month after tax on a property in a borough where prices may be closer to a floor than London as a whole is a reasonable starting position, provided you can absorb further short-term price falls without needing to sell. Most landlords who run these numbers properly, rather than trusting the regional yield headline, end up making one of those two calls rather than buying the average Inner London property with a personal-name mortgage and a higher-rate tax bill. Model your own borough, your own tax band and your own mortgage rate before deciding which one applies to you, because the gap between a Tower Hamlets purchase and a Camden one is far too wide to treat "Inner London" as a single answer.