UK House Prices See Largest August Drop Since 2018 Amid Regional Split, Rightmove Forecast Downgraded

London remained the hardest-hit area with a 3.1% year-on-year price drop, while the North West posted a 1.9% rise. London also saw the highest available housing stock in 16 years, underscoring intensified competition and affordability pressures in the capital.
Rightmove said the number of properties for sale was at a 12-year high for this time of year, highlighting unusually large inventory alongside the August price drop and contributing to a broader regional divergence.
London’s affordability constraints are amplified by policy frictions, including stamp duty thresholds and a £450,000 Lifetime ISA cap, which Rightmove notes weigh heavily on first‑time buyers in the capital.
There has been mention of a 'mini Burnham bounce'—a modest revival in buyer demand linked to political developments—with analysts noting some optimism despite overall subdued activity.
Rightmove downgraded its 2026 forecast to roughly flat to slightly negative, with projections ranging from zero to a 2% decline in average seller asking prices over the year, reflecting weaker mortgage conditions and geopolitical uncertainty.
UK house prices fell sharply in August, with the average asking price dropping £7,360 in a single month to £364,999, according to Rightmove. That marks the biggest August price fall since 2018 — a sign that sellers are under real pressure to attract buyers in a sluggish market.
Rightmove also cut its 2026 forecast, now expecting prices to end the year roughly flat or down as much as 2%, Reuters reported. Higher mortgage costs, tax worries, and global uncertainty are all weighing on buyer confidence.
The August drop was not felt equally across the country. London asking prices fell 3.1% year on year, making it the worst-performing region. Meanwhile, the North West bucked the trend with prices rising 1.9% over the same period, according to Rightmove.
London also saw its highest available housing stock in 16 years, London Insider reported. More homes on the market means more competition among sellers, which pushes prices down. Buyers in London now have more choice than they have had in well over a decade.
Nationally, the number of homes for sale hit a 12-year high for this time of year, according to Rightmove. That level of supply is unusual for August, a month when the market typically slows. It gives buyers far more options than they are used to.
Rightmove's Colleen Babcock noted that sellers who price competitively from day one are seeing better results. Some sellers are even making lower offers on their own onward purchases to close the gap between what they want and what buyers will pay.
Policy pressures are adding to the pain, especially in London. Rightmove highlighted that stamp duty thresholds and the £450,000 cap on the Lifetime ISA — a government savings scheme for home buyers — are making it harder for first-time buyers to get on the ladder in the capital, London Insider reported.
Budget-related tax concerns are also denting confidence more broadly. Geopolitical uncertainty is adding another layer of caution, keeping many potential buyers on the sidelines even as some sellers drop prices aggressively to secure a deal.
Not all the news is bleak. Reuters noted a modest pickup in buyer activity following political developments linked to Prime Minister Andy Burnham. Analysts dubbed it a 'mini Burnham bounce' — a small but real lift in demand that shows confidence can return under the right conditions.
Even so, Rightmove's downgraded 2026 forecast — projecting anywhere from zero growth to a 2% decline in average asking prices — signals that the overall mood remains cautious. The market is adjusting, not recovering, at least for now.
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