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Flat but fragile: UK house prices stall as supply hits a multi-year high and forecasters trim their outlooks
June 21, 2026

Flat but fragile: UK house prices stall as supply hits a multi-year high and forecasters trim their outlooks

The seller's edge is fading fast

The defining feature of the UK housing market in the first half of 2026 is not falling prices. It is the quiet but decisive shift in the balance of power from seller to buyer.

The number of homes for sale started 2026 at its highest level in over eight years, with Zoopla reporting the average estate agent was marketing 32 properties — a figure not seen since before the post-pandemic supply squeeze. By spring, Rightmove's data showed supply had reached an 11-year high for the time of year, with new listings running approximately 7% above 2024 levels. London saw the sharpest increase, with available stock up around 16% year-on-year. The South East posted a 9% rise.

The consequences for pricing are real and immediate. Rightmove reported that the average time required to find a buyer has stretched to its longest at this stage of the year since 2013. Colleen Babcock, Rightmove's property expert, summarised the mood in March: "With the number of homes for sale at its highest level for over a decade, buyers have plenty of choice. Many sellers are facing stiff competition."

REalyse data corroborates this picture at a granular level. Across southern England particularly, asking-to-achieved price discounts are widening — a signal that competitive pricing from day one is no longer optional, it is essential.


Price growth: still positive, but barely

The headline numbers tell a story of a market holding its nerve without conviction.

Zoopla's full-year 2025 data showed average UK house prices ended the year at around £270,300 — up just 1.1% annually, well below the 1.9% recorded in 2024 and a fraction of the 3.8% ten-year average. Halifax reported the average UK property price closed 2025 at approximately £297,755, with annual growth slowing to just 0.3% by December. Nationwide's review described a market that had avoided a dramatic correction but remained "close to its 2022 peak" rather than pushing meaningfully ahead.

Into 2026, the spring data suggests modest momentum but persistent constraint. Rightmove recorded a 0.8% monthly rise in asking prices in both March (to £371,042) and April (to £373,971) — broadly in line with seasonal norms, but both below the historical April average of 1.2%. On a year-on-year basis, Rightmove's March reading actually showed asking prices fractionally lower than a year earlier.

The picture for completed transactions is similar. HMRC data indicated around 1.1 million residential sales completions across 2025, broadly in line with the ten-year pre-pandemic average, but with volumes in early 2026 running below year-earlier comparisons — partly distorted by the rush of buyers who transacted ahead of April 2025's stamp duty threshold changes.

For investors and lenders using REalyse comparables and valuation tools, this environment demands tighter scrutiny of achieved-price data rather than reliance on asking prices. The spread between the two is quietly widening in many southern markets.


Forecasters are cutting their numbers — and the reasons are global

At the start of 2026, the analyst consensus pointed to modest but manageable UK house price growth of around 2–4% for the year. That consensus has since been revised lower, and the catalyst is only partially domestic.

Knight Frank's Q2 2026 update — published in late April — cut its full-year forecast to 1.5%, down from 3% projected as recently as September 2025. The firm cited a "hat-trick of headwinds": higher mortgage rates, weaker buyer sentiment, and speculation around fiscal policy. In prime central London, Knight Frank now forecasts a 2% price decline, compared with an earlier expectation of flat performance. Prime country markets outside London are projected to fall 2.5% over 2026.

Savills had already revised its 2025 forecast from 4% down to 1%, describing the market as one of "consolidation rather than strong growth." Most mainstream forecasters now cluster around a 1.5–2.5% expectation for 2026, with Pantheon Macroeconomics among the more cautious at around 1%.

Halifax, in its year-end commentary, guided for 2026 price growth "in the range of 1% to 3%," contingent on the trajectory of mortgage costs and employment. Nationwide's 2026 outlook similarly bracketed gains at 2–4%, but with a clear caveat around the pace and depth of Bank of England rate cuts.

The trigger for the most recent round of downgrades is unmistakeable: geopolitical turbulence in the Middle East, which began feeding through into energy prices and gilt yields in early 2026. The Bank of England has held Bank Rate at 3.75% since early in the year, and by spring, financial markets had largely stopped pricing in further cuts for 2026. Two-year fixed mortgage rates, which briefly touched 4.25% in January, climbed back above 4.5% by March and above 5% by April, adding roughly £200–£235 per month to a typical new purchase mortgage compared with early-year expectations. As Rightmove's mortgage expert Matt Smith put it, "The recent shocks due to the Iran conflict have meant that lenders' fixed rate pricing needs to change to reflect the Bank Rate remaining flat for longer."


The north-south divide deepens

If there is a single word that characterises the UK market in mid-2026, it is divergence.

Northern Ireland remains the standout performer across every major index. Halifax reported annual house price growth of around 7.5% in the nation, with the average home now costing approximately £221,000 — still materially below the UK average, which is precisely why affordability-driven demand remains strong. Nationwide's analysis noted Northern Ireland grew at roughly four times the national rate in the first three quarters of 2025.

Scotland is also outperforming. Rightmove's April data showed Scottish asking prices up 4.3% year-on-year, supported by lower average price levels, reduced mortgage dependency among buyers, and a faster legal transaction process. REalyse planning data for Scottish cities shows a healthy — though not excessive — development pipeline, suggesting supply is not yet threatening to overwhelm this momentum.

The North West of England continues to outpace the South, with Zoopla recording 2.9% annual growth and Halifax's regional data consistently placing Yorkshire and the North West among the top performers, with average prices around £242,000 and £215,000 respectively.

London tells a different story. Rightmove's March data showed London asking prices down around 2.1% year-on-year — the weakest regional performance in the country. High absolute price levels, the lingering effect of stamp duty on transactions above £500,000, and the sensitivity of higher-value buyers to mortgage rate movements are all suppressing activity. Knight Frank's research notes that prime London buyers, while typically less rate-sensitive due to equity positions, are nonetheless being deterred by geopolitical uncertainty and concern about future tax changes.

For investors using REalyse to screen yield and transaction data at district and postcode level, the implication is clear: national-average analysis is increasingly misleading. A £270,000 average price conceals markets moving in opposite directions within the same city.


What this means for buyers, sellers, and investors

The 'flat but fragile' characterisation is not a counsel of despair. It is a description of a market where the right data and the right pricing strategy matter more than they did when prices were rising across the board.

For sellers, the message from every major index is consistent: pricing realistically at launch is critical. Properties sitting on the market with stale or over-ambitious asking prices face the longest average time to sell since 2013. REalyse comparable data gives agents and vendors the evidence to set credible prices from day one — particularly important in a market where buyers have expanded choice and tighter monthly budgets.

For investors and developers, the regional divergence creates genuine opportunity. More affordable northern markets offer better yield profiles and positive price momentum, while southern markets — particularly at the sub-£300,000 level where first-time buyer demand is most concentrated — may reward patience. REalyse rental yield data shows that gross yields in many northern and Midlands postcodes continue to outperform London on an absolute basis, even after accounting for higher vacancy risk in some areas.

For lenders and risk teams, the elevated supply environment and slowing transaction volumes are a signal to stress-test collateral values more conservatively, especially in southern England and prime markets. The gap between asking and achieved prices is a live metric worth tracking at postcode district resolution.

The fundamental drivers of UK housing demand — population growth, household formation, and chronic undersupply of new stock — have not changed. The S&P Global construction PMI showed housebuilding still in contraction as recently as early 2026, meaning the supply pipeline is not keeping pace with long-term need. But in the near term, it is mortgage rates, geopolitics, and buyer caution that are setting the pace. Until those variables settle, the market is likely to remain exactly what it is now: open, active, and deeply price-sensitive.


Outlook: steady footing, uncertain direction

The UK sales market is not broken. Transaction volumes are near their long-run average, buyer demand exists — it is simply more selective — and wage growth continues to modestly outpace house price inflation, gradually improving the affordability picture for those who can access credit.

But the headwinds are real. Mortgage rates are higher than they were six months ago. Forecasters have trimmed their numbers. Supply is at its most abundant in over a decade. And geopolitical uncertainty is an inherently unpredictable variable.

The most likely scenario for the remainder of 2026 is continued modest positive growth at the national level — probably in the 1–2% range — with northern regions and devolved nations leading, London and the South continuing to lag, and prime markets under additional pressure from both rate sensitivity and policy risk. Any de-escalation in the Middle East that allowed the Bank of England to resume cutting rates would provide a meaningful upside catalyst. Further inflation shocks would do the opposite.

For property professionals navigating this environment, granular data is not a luxury. It is the foundation of every sound decision — whether that is a valuation instruction, a development appraisal, a lending decision, or a buy-to-let acquisition. National headlines set the tone. Local data determines the outcome.

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