Why Buy to Leave Properties Are Hollowing Out London in 2026?

Walk through parts of central London after dark and you might notice something unsettling. Entire streets of luxury apartments sit dark, silent, and completely empty. No lights behind the windows. No bicycles chained outside. No lives being lived inside. These are London’s ghost homes, and they represent one of the most damaging trends in the city’s property market: buy to leave properties.

Buy to leave properties in London have become a flashpoint in the housing debate. Investors, many of them overseas buyers, purchase homes purely as financial assets. They never intend to live in them or rent them out. The properties sit vacant while London faces a deepening housing crisis, with tens of thousands on waiting lists and rough sleeping on the rise.

In this guide, I will break down exactly how this phenomenon works, the numbers behind it, which London boroughs are worst affected, and what can realistically be done about it. Whether you are a London resident frustrated by skyrocketing rents, a journalist covering housing policy, or simply someone trying to understand why the capital feels increasingly hollowed out in places, this article covers the full picture for 2026.

What Are Buy to Leave Properties?

Buy to leave properties are homes purchased by investors as a store of wealth or for capital appreciation, then deliberately left empty rather than occupied or rented. Unlike buy-to-let, where a landlord rents the property to tenants, buy-to-leave investors do not want rental income. They want the property to gain value over time while sitting untouched.

This might sound illogical at first. Why would someone buy a home and not use it? The answer comes down to how global wealth works. For ultra-high-net-worth individuals, a London apartment is a safe haven asset, similar to gold or fine art. They are not looking for monthly rental returns. They want capital preservation in a politically stable market.

The term “ghost homes” has become the shorthand for this phenomenon. Action on Empty Homes, one of the UK’s leading campaigning organizations on vacant property, draws a clear distinction between homes that are temporarily empty between tenancies and those that are intentionally left vacant as investment vehicles. The latter category is the one causing real damage.

It is worth noting that not every empty home in London is a buy-to-leave property. Some homes are vacant because they are undergoing renovation, tied up in probate, or caught in planning disputes. But a significant and growing percentage, particularly in prime central London postcodes, are empty because their owners have no intention of ever living in them.

The Scale of Empty Homes in London

The numbers behind London’s empty homes crisis are staggering. Research has identified close to 20,000 long-term vacant dwellings across the capital. That figure, drawn from Freedom of Information requests and council tax records, represents homes that have been sitting empty for six months or longer.

According to analysis by HomeProtect, an eye-watering £10.7 billion worth of residential property is sitting vacant in London at any given time. That is not a typo. Over ten billion pounds of housing stock, purpose-built for people to live in, is standing empty in a city where thousands sleep rough each night.

The broader national picture is even more striking. Across the UK as a whole, there are estimated to be over 200,000 long-term vacant homes. London accounts for a disproportionate share relative to its housing stock, particularly in the most expensive boroughs where overseas investment is concentrated.

What makes these figures particularly galling is the context. London has a chronic undersupply of housing. The capital needs to build roughly 66,000 new homes per year just to keep pace with demand, according to the London Plan. It has consistently missed that target. Every home left empty by a buy-to-leave investor is a home that could be housing a family.

The trend has worsened over the past decade. Data from the early 2010s showed the number of long-term vacant homes in London declining slightly following the introduction of empty homes premiums on council tax bills. But as overseas investment surged into London property after 2013, the numbers began climbing again. Recent figures for 2026 suggest the problem has not gone away, despite growing political attention.

Perhaps the most damning statistic is the gap between empty homes and homelessness. At the same time that tens of thousands of London properties sit vacant, the city has more than 170,000 people on housing waiting lists and thousands of households in temporary accommodation. The mismatch is not a coincidence. It is a direct consequence of housing being treated as an investment vehicle rather than a place to live.

Why Do Investors Leave Properties Empty?

Understanding why buy-to-leave properties in London exist requires looking at the financial logic from the investor’s perspective. Once you see it through their lens, the strategy starts to make cold economic sense, even as it devastates local communities.

The primary driver is capital appreciation. London property has historically delivered strong long-term price growth. An investor who buys a flat in Knightsbridge for £2 million and sells it five years later for £2.8 million has made a £800,000 gain without lifting a finger. Rental income, by comparison, would add perhaps £60,000 to £80,000 per year but comes with headaches: tenant management, maintenance costs, wear and tear, and regulatory compliance.

For many overseas investors, those headaches are not worth the marginal return. They are already wealthy enough that rental yields of 3 to 4 percent are irrelevant. What matters is the underlying asset appreciating safely. Leaving the property empty eliminates risk. No tenants means no damage, no disputes, no eviction processes, and no need to hire a letting agent.

Wealth storage is another motivation. Investors from regions with political instability, currency volatility, or uncertain legal systems often park money in London real estate because the UK offers strong property rights and a transparent legal framework. A London apartment is essentially a safe deposit box that happens to appreciate over time.

Discussions on forums like Reddit’s r/HENRYUK and r/london reflect this reality. Users frequently note that high-net-worth individuals see London property as a wealth preservation tool, not an income stream. One common observation is that overseas buyers are “the only option” at certain price points in prime central London, because domestic buyers simply cannot compete with cash offers from international investors.

Finally, there is a transparency problem. The UK does not maintain a fully public register of beneficial property ownership. Until recent reforms, it was possible to buy London property through offshore companies in jurisdictions like the British Virgin Islands, making it nearly impossible to know who actually owned a vacant flat. This opacity has actively encouraged buy-to-leave investment.

London’s Ghost Home Hotspots

The buy-to-leave phenomenon is not evenly distributed across London. It is concentrated in specific boroughs, and the geography tells a revealing story about how different types of property speculation create different types of emptiness.

Kensington and Chelsea is the poster child for ghost homes. This royal borough, home to some of the most expensive residential property in the world, has consistently recorded some of the highest rates of long-term vacancy in London. Streets around Holland Park, South Kensington, and Notting Hill are lined with multi-million-pound apartments that appear to have no permanent residents.

The One Hyde Park development in Knightsbridge has become the most famous example. When this luxury complex was built, reports emerged that a significant proportion of its apartments had been sold to overseas buyers through offshore companies. Many sat empty for years. The development became a symbol of everything wrong with treating housing as a pure financial instrument.

Then there is Croydon, which presents a different and somewhat surprising picture. Croydon has consistently appeared in lists of London boroughs with the highest absolute number of empty homes. This seems counterintuitive for an area not typically associated with ultra-luxury property. The explanation lies in speculative development. Investors bought up new-build apartments in Croydon during a construction boom, expecting price appreciation. When the market softened, many properties were left vacant rather than sold at a loss or rented out.

The table below illustrates how the problem varies across boroughs. The pattern is clear: prime central London sees emptiness driven by wealth storage and capital preservation, while outer boroughs see vacancy driven by speculative investment in new-build developments that did not perform as expected.

London Area	Type of Emptiness	Primary Driver
Kensington & Chelsea	Ultra-prime luxury apartments	Overseas wealth storage
City of Westminster	Premium new-builds and period conversions	Capital appreciation
Croydon	New-build investment flats	Speculative development
Newham	Regeneration area properties	Investor speculation
Tower Hamlets	Luxury riverside developments	Overseas investment

This geographic spread matters for policy. A one-size-fits-all approach to empty homes will not work because the causes of vacancy differ so dramatically between a £5 million flat in Belgravia and a £300,000 apartment in Croydon.

How Buy to Leave Properties Fuel the Housing Crisis

The connection between buy to leave properties in London and the broader housing crisis is direct and measurable. When homes are treated as investment assets rather than places to live, the entire housing ecosystem suffers.

First, buy-to-leave investment reduces the effective housing supply. London might have a certain number of residential units on paper, but if thousands of them are sitting dark and empty, the functional supply is far lower. This artificial scarcity drives up prices and rents for everyone else. A 2017 analysis by Property Partner found that London’s empty homes problem was equivalent to removing a small town’s worth of housing from the market.

Second, there is a moral dimension that becomes impossible to ignore. London has more people sleeping rough than at any point in modern memory. Charities like Shelter and Crisis have documented the rise in homelessness year after year. The sight of vacant luxury apartments a short walk from hostels and rough sleeping spots is not just unfortunate. It is a policy failure.

Third, buy-to-leave properties hollow out local communities and economies. When large numbers of homes in a neighborhood are empty year-round, local businesses suffer. Pubs close because there are no regulars. Shops shut because foot traffic disappears. Schools lose pupils. What was once a vibrant community becomes a ghost town maintained as a backdrop for absentee landlords. This is what commentators mean when they talk about London being hollowed out.

The Trust for London report “Nobody’s Home” made this point powerfully. It argued that London’s housing development is being shaped by investors’ priorities rather than the needs of Londoners. New developments are built and marketed overseas before local people even know they exist. The result is a housing market that serves global capital rather than local communities.

There is also a generational impact. First-time buyers in London routinely report being priced out of the market entirely. On forums like r/HousingUK, users describe the frustration of watching homes sit empty while they are forced to rent indefinitely or leave the capital altogether. The buy-to-leave phenomenon is not the sole cause of London’s affordability crisis, but it is a significant aggravating factor that removes housing stock from circulation at the top of the market, creating ripple effects down the price ladder.

What Can Be Done: Policy Solutions

Addressing the buy to leave properties London problem requires coordinated policy action across several fronts. No single measure will solve it, but a combination of tools could significantly reduce the incentive to leave homes empty.

The most frequently proposed solution is a vacancy tax. This would impose a significant annual charge on properties that remain empty for extended periods, making it financially painful to sit on vacant homes. Vancouver and Paris have both implemented versions of this, with measurable success in bringing empty properties back into use. The UK already allows councils to charge up to 100 percent extra council tax on long-term empty homes, but this is often insufficient to deter ultra-wealthy owners who view it as a minor cost of doing business.

A more aggressive vacancy tax, set at a meaningful percentage of property value rather than a flat council tax premium, could change the calculus. If leaving a £2 million flat empty costs £40,000 per year in tax, the financial logic starts to shift.

Improved transparency is another essential step. The UK has made progress with the Register of Overseas Entities, which now requires foreign companies owning UK property to declare their beneficial owners. But more needs to be done. A fully transparent, publicly accessible property ownership register would make it harder for anonymous investors to accumulate vacant property portfolios without scrutiny.

The RetroFirst approach offers a different angle entirely. Rather than focusing solely on penalizing empty property owners, this strategy advocates for bringing existing vacant buildings back into use through retrofitting and renovation. This addresses both the housing crisis and the climate crisis simultaneously. Retrofitting empty homes is far more carbon-efficient than demolishing and rebuilding, and it returns habitable housing stock to the market faster than new construction.

Regulation of short-term lets is also relevant. While Airbnb and similar platforms are not the same as buy-to-leave investment, they contribute to the broader problem of housing stock being diverted from residential use. Tighter controls on short-term rentals, particularly in areas with acute housing shortages, would help ensure properties are used for long-term housing rather than holiday accommodation.

Finally, reform of stamp duty and property taxation could help rebalance the market. The current system, which taxes transactions rather than holding, inadvertently rewards investors who buy and hold property empty. A shift toward land value taxation or an annual property tax based on current values would make it more expensive to sit on vacant property while reducing the upfront cost of transactions for those actually looking to buy a home to live in.

FAQs

Conclusion: A City Cannot Thrive on Empty Rooms

Buy to leave properties in London represent a fundamental misallocation of housing resources. Nearly 20,000 homes sit vacant in a city where homelessness is rising and a generation has been priced out of ownership. The practice makes financial sense for individual investors, but it imposes enormous costs on the city as a whole.

The good news is that the solutions are well-documented. Vacancy taxes, transparency reform, the RetroFirst approach, and better regulation of the property market could all make a real difference. The question is whether there is the political will to implement them at the scale needed.

If London is to remain a living, breathing city rather than a portfolio of assets for absentee owners, addressing buy to leave properties must be a priority. Every dark window on a prime central London street is a reminder of what is at stake.