Nationally, renting and buying have basically converged. In London, buying still costs roughly £865 a month more and 12–13 times more upfront — here's why the gap hasn't closed, and how long you'd need to stay for it to be worth it.
Nationally, the average mortgage payment and the average rent now sit within £25 of each other. In London, they don't. The average first-time buyer home costs £472,000, and once a realistic deposit, stamp duty, insurance, and maintenance are factored in, owning costs roughly £865 a month more than renting the equivalent property — a gap wide enough that the national "it's basically a tie" answer doesn't hold here at all.
Key Takeaways
The average first-time buyer home in London costs £472,000 — buying it with a 10% deposit costs roughly £3,045 a month all-in (mortgage, insurance, maintenance), versus an average London rent of around £2,180 a month.
Getting into a London purchase costs roughly £59,400 upfront once the 10% deposit, stamp duty, legal fees, and survey are included — around 12–13 times the roughly £4,700 needed to move into an equivalent rental.
London house prices have grown more slowly than the rest of the UK recently, at roughly 1.8% a year versus a national average nearer 3.1% — still enough to add about £44,000 in paper equity over five years, but a smaller cushion against the higher entry cost.
Because the monthly and upfront gaps are both wider in London, most break-even models push the crossover point out to roughly 8–10 years, well beyond the 4–6 years typical nationally.
Buying further out and commuting in isn't an automatic win either — once season ticket costs are added, it can land close to the cost of renting centrally, with the difference coming down to property size and commute length rather than a clear rule of thumb.
Figures are London averages and illustrative — actual costs vary significantly by borough and property type.
Why the Monthly Gap Is So Much Wider Here
At a roughly 90% loan-to-value mortgage — a 10% deposit on £472,000 — the average rate sits around 5.15%, giving a mortgage payment of about £2,520 a month on the remaining £424,800. Add buildings insurance (£35 a month, higher than the national average given London property values) and a realistic maintenance budget of 1–1.5% of property value a year (£492 a month on a home this price), and the true monthly cost of owning climbs to roughly £3,045.
Against an average London rent of around £2,180 a month, that's a gap of roughly £865 — more than three times the ~£236 gap we found nationally in The Real Cost of Renting vs Buying in the UK. High property values mean every ongoing cost that scales with price — insurance, maintenance, mortgage interest — scales up with it too, while rent, though also higher than the national average, hasn't risen at the same rate.
The Upfront Cost Gap Is Even Wider Than the Monthly One
Moving into an average London rental costs roughly £4,700 (five weeks' deposit plus the first month, per the Tenant Fees Act's cap). Buying is a different order of magnitude. A 10% deposit on £472,000 is £47,200, and — unlike the national first-time buyer average, which typically falls under the stamp duty threshold — most London purchases land in the 5% stamp duty band above £300,000, adding roughly £8,600 on a home this price. Add legal fees (£2,000) and a survey (£800), and the total comes to around £59,400 — roughly 12 to 13 times the cost of getting into an equivalent rental.
💡 Check your own numbers before assuming a scheme changes this: run your target London property's price and deposit through our Mortgage Calculator, and see our Help to Buy Alternatives roundup for routes that lower the deposit — though most still leave stamp duty and the monthly gap unchanged.
Slower Price Growth Changes Buying's Long-Term Case
Buying's usual answer to a higher monthly cost is equity — but that case is weaker in London right now than it's been historically. London house prices have grown at roughly 1.8% a year recently, noticeably slower than the national average of around 3.1%, as prices there had already run further ahead of local incomes. On a £472,000 home, that still adds up to about £44,000 in paper equity over five years — a meaningful sum, but a smaller offset against an £865-a-month running cost and a £59,400 entry price than the same calculation produces nationally.
Combine the wider monthly gap, the larger upfront cost, and the slower growth, and the point where buying's equity outweighs renting's lower cost pushes out to roughly 8 to 10 years in London, compared with 4 to 6 years nationally. Anyone expecting to move within that window is, on the numbers alone, very likely better off renting.
The Commuter Alternative Isn't an Automatic Win Either
A common instinct is to rent in London but buy further out, commuting in instead. The numbers are closer than they look. A £320,000 home in a commuter town, bought with a 10% deposit, costs roughly £2,070 a month all-in (mortgage, insurance, maintenance) — cheaper than renting or buying in London itself. Add a season ticket into the city, though, commonly £300–£400 a month depending on distance, and the total lands close to £2,400–£2,500 a month — within range of renting a similarly sized home centrally, rather than a clear win. The case for buying further out still holds if you value the equity and don't mind the commute, but it isn't automatically cheaper once travel is priced in — it depends heavily on the specific commute and property size compared against.
What This Means for You
The "renting and buying have basically converged" story that holds nationally doesn't hold in London — the monthly gap, the upfront cost, and the price-growth cushion are all less favourable to buying here than elsewhere in the UK. That doesn't make renting automatically correct either: it depends heavily on how long you plan to stay, since the 8–10 year break-even means short-to-medium-term buyers are very likely to come out ahead by renting, while long-term stayers can still benefit meaningfully from equity. Buying further out and commuting is worth pricing carefully rather than assuming — it can land anywhere from clearly cheaper to roughly a wash, depending on the specific commute.
What You Should Do Next
Get a real mortgage quote for your target property rather than relying on London-wide averages — borough-level prices vary enormously
Add stamp duty, insurance, and a realistic maintenance budget to any mortgage payment before comparing it to rent
Be realistic about your time horizon — under 8 years tilts the numbers toward renting in London specifically
If considering a commuter-belt purchase, add the actual season ticket cost before assuming it beats renting centrally
Buying in London costs roughly £865 a month more than renting once insurance and maintenance are included, and about 12–13 times more to get into upfront once stamp duty is factored in — both far wider gaps than the national picture. Slower recent price growth means equity builds more slowly too, pushing the typical break-even point out to 8–10 years. None of that makes renting the automatic right answer for everyone, but it does mean the "rates have basically closed the gap" argument doesn't travel from the national numbers to London — check your own timeline and actual target property before assuming either one wins.
FAQ
Is it cheaper to rent or buy in London right now?
Renting is meaningfully cheaper month-to-month — roughly £865 less on the average first-time buyer property once insurance and maintenance are included — and dramatically cheaper to get into, at around a twelfth of the upfront cost of buying.
Why is the gap between renting and buying so much wider in London than nationally?
Because every cost that scales with property price — mortgage interest, insurance, maintenance, and stamp duty — is larger on a £472,000 London home than on the £226,000 national first-time buyer average, while rent hasn't risen at the same pace.
How long do I need to stay in a London property for buying to pay off?
Most models put London's break-even point at roughly 8 to 10 years, compared with 4 to 6 years nationally, reflecting the wider monthly and upfront gaps and slower recent price growth.
Is buying outside London and commuting in definitely cheaper?
Not automatically. Once a realistic season ticket cost is added, the total can land close to the cost of renting centrally rather than clearly below it — it depends on the specific commute and property size.
This article is for informational purposes only and does not constitute financial advice. London rental prices, mortgage rates, and stamp duty thresholds change frequently — always check current figures for your specific borough and property before making a renting or buying decision.
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James Calloway is a personal finance writer and real estate strategist covering housing markets across the UK, US, and beyond. With a decade of experience translating complex financial decisions into plain language, he believes the best money advice sounds like a candid conversation — not a lecture.
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