BLOGS

The UK housing market is experiencing a structural shift that deserves close attention from investors, developers and policymakers alike. While sales activity has held steady and buyer demand remains relatively robust, the supply side tells a different story: development completions are falling, planning pipelines are under pressure, and SME housebuilders continue to face headwinds that threaten future housing delivery.

The completions slowdown in context

REalyse data shows that residential development completions have softened noticeably over the past 12 to 24 months. Across England's regions, scheme completions have declined compared to pre-2024 levels, with the Midlands, North West and Yorkshire & Humber seeing particularly notable drops in delivered units.

Several factors are driving this slowdown. Labour and material cost inflation, though easing from 2022-23 peaks, remains elevated. Planning delays continue to frustrate developers, with the average determination period for major applications still exceeding statutory targets in many local authorities. Meanwhile, higher borrowing costs have squeezed development finance margins, making marginal schemes unviable and prompting larger housebuilders to slow their starts pipeline.

Government data from DLUHC confirms that housing starts across England fell by approximately 20% in the year to March 2025 compared to pre-pandemic averages. Scotland, Wales and Northern Ireland have seen similar patterns, with devolved housing agencies reporting reduced construction activity despite stated policy ambitions to increase delivery.

Buyer demand: resilient but constrained

Against this backdrop of falling supply, buyer activity has proven more resilient than many anticipated. REalyse transaction data shows that completed sales across the UK have remained relatively stable, with monthly volumes across property types holding at healthy levels. Average days on market sit around 65-95 days depending on property type, suggesting that appropriately priced stock continues to transact efficiently.

Perhaps most telling is the asking-to-sold price dynamic. Average discounts remain tight—under 1% across most property types—and terraced houses in particular are frequently achieving or exceeding asking prices. This is a clear signal of underlying demand meeting constrained supply.

First-time buyers remain active despite affordability challenges, supported by government schemes and competitive mortgage products targeting this cohort. The private rented sector also continues to absorb demand, with rental yields holding firm in many regional cities, sustaining investor appetite for completed stock.

Land pipelines and SME developer pressures

The implications of this completions slowdown are most acutely felt in land markets and among SME developers. With larger housebuilders pulling back on land acquisition and consented sites sitting uncommenced, landowners are facing extended disposal timelines and, in some cases, price resets.

For SME developers—who historically delivered a significant proportion of UK housing output—the environment remains particularly challenging. Development finance has become both more expensive and harder to access, with lenders demanding higher pre-sales thresholds and tighter loan-to-GDV ratios. REalyse analysis of planning applications shows that smaller schemes (under 50 units) now represent a declining share of the active pipeline in many regions.

The Federation of Master Builders and other industry bodies have repeatedly highlighted these pressures, calling for planning reform, infrastructure investment and dedicated SME finance support. Without intervention, the risk is that the UK's developer base becomes increasingly concentrated among a handful of volume builders, reducing competition and local responsiveness.

Future supply constraints: the medium-term outlook

Looking ahead, the combination of reduced starts, constrained pipelines and steady demand points toward tighter supply conditions in the late 2020s. REalyse's planning pipeline data indicates that while approved units remain in the system, the conversion rate from consent to construction to completion has lengthened. Pre-construction schemes face particular uncertainty, with viability challenges causing delays or scheme redesigns.

Regional variations are also emerging. London and the South East continue to see significant pipeline activity, though delivery remains concentrated in build-to-rent and larger mixed-use schemes. Regional cities including Manchester, Birmingham and Leeds have active pipelines but face infrastructure and labour capacity constraints. Meanwhile, rural and coastal areas—where SME developers have traditionally been most active—are seeing the sharpest pullbacks.

For investors and lenders, these dynamics warrant careful monitoring. Assets in supply-constrained markets may see stronger capital growth, but reliance on new-build stock for portfolio expansion becomes riskier when delivery timelines are uncertain.

Conclusion

The gap between declining housing completions and resilient buyer demand is not a short-term blip—it reflects structural challenges in the UK's development sector that will take years to address. Planning reform, development finance innovation and targeted support for SME builders will all be necessary to close this gap.

For market participants, the imperative is clear: use granular, location-specific data to identify where supply constraints are most acute, where pipeline risk is highest, and where opportunities may emerge as the market recalibrates. REalyse's planning and transaction datasets provide the foundation for this analysis, enabling evidence-based decisions in an increasingly complex market.