BLOGS

The scale of the slowdown

UK housing development has entered a prolonged contraction that goes well beyond typical market cycles. REalyse planning data reveals that approved residential units in England fell from approximately 208,000 in 2022 to around 138,000 in 2024—a decline of more than 30% in just two years. Completions have tracked an even steeper trajectory, dropping from roughly 78,000 units in 2022 to just over 22,000 in 2024.

Wales has followed a similar pattern, with approved units falling from around 5,200 in 2022 to below 2,100 in 2025. Across the UK, approval rates have softened from nearly 73% in 2022 to under 69% by 2024, indicating that schemes reaching planning committees face tougher scrutiny even as fewer applications come forward.

The cumulative effect is stark. The government's target of delivering 300,000 new homes annually has receded further from reach, with the annual shortfall now estimated at around 70,000 homes. This gap compounds each year, adding pressure to an already strained housing market and pushing affordability further from reach for many households.

Why viability has crumbled

Several converging factors explain why the development pipeline has seized up. Construction cost inflation—driven by materials, labour and regulatory compliance—has outpaced house price growth in many regions. REalyse transaction data shows that UK average sold prices have remained essentially flat year-on-year, with a median change of just 0.2%. Meanwhile, the median price per square foot sits at around £305, but this masks significant regional variation, with some areas seeing values decline by up to 13% annually.

For developers, flat or falling end values combined with rising input costs mean that fewer schemes pass viability thresholds. This is particularly acute in the affordable housing segment, where planning obligations and grant requirements add layers of complexity. Many sites with extant permissions have stalled, with developers unable to justify starting construction when projected margins have evaporated.

The slowdown in transaction volumes compounds the problem. With fewer sales completing, housebuilders face longer holding periods and greater capital exposure. This has led many to adopt cautious land-buying strategies, reducing the flow of new schemes into the planning system and creating a self-reinforcing cycle of reduced activity.

What the late-2025 reforms promise

The planning reforms introduced in late 2025 represent Westminster's most significant intervention in the development process in over a decade. Key measures include streamlined decision timelines, with statutory targets for major applications reduced from 13 weeks to 10 weeks. Local Planning Authorities now face financial penalties for persistent delays, while a new "permission in principle" pathway offers faster routes for sites allocated in local plans.

On the funding side, reforms to the Affordable Homes Programme have increased grant rates for build-to-rent and shared ownership schemes, addressing some of the viability challenges that had frozen delivery. Changes to infrastructure levy calculations aim to provide greater certainty for developers, allowing earlier assessment of section 106 equivalents and reducing late-stage negotiation that had previously derailed schemes.

Scotland and Wales have introduced parallel measures, with the Scottish Government expanding permitted development rights for residential conversions and the Welsh Government piloting a "fast track" consent process for brownfield regeneration sites.

Will reforms close the delivery gap?

The honest assessment is that these reforms are necessary but not sufficient. Streamlining planning processes addresses one bottleneck, but the viability crunch stems from fundamental economics that policy alone cannot fix. Until construction costs stabilise and end values recover—or grant funding increases substantially—many marginal schemes will remain unviable.

REalyse analysis of the current pipeline shows over 410,000 units with planning consent in England alone. The challenge is not primarily a lack of permissions but converting those permissions into starts and completions. Unlocking this backlog requires developer confidence that market conditions will support profitable build-out over a two to four-year construction cycle.

There are early signs of stabilisation. Approval rates in early 2026 data suggest applications are being processed, and the total pipeline remains substantial. However, the steep decline in applications submitted through 2024 and 2025 means the forward pipeline is thinning. Even with improved processing times, fewer schemes entering the system will constrain future completions.

Building a sustainable delivery cycle

Closing the 70,000-home annual gap will require a multi-pronged approach sustained over several years. Planning reforms must be accompanied by stable macroeconomic conditions that allow developers to model viable schemes with confidence. Institutional investment in build-to-rent and forward-funding arrangements can de-risk development for housebuilders, while local authority capacity to process applications must match the ambition of the reforms.

The build-to-rent sector offers particular promise. With REalyse data showing rental yields remaining attractive relative to sales values in many urban markets, institutional capital has reason to commit. Policy support for purpose-built rental housing—including relaxed density requirements and streamlined design codes—could accelerate delivery in sectors less exposed to for-sale market volatility.

For investors, lenders and developers navigating this environment, granular market intelligence becomes essential. Understanding local price dynamics, rental performance, planning pipeline depth and scheme economics at the postcode level can distinguish viable opportunities from capital traps. The winners in this cycle will be those who combine strategic patience with rigorous site-level analysis.

Outlook: cautious optimism with caveats

The planning reforms of late 2025 mark a genuine shift in government intent, acknowledging that the housing crisis demands structural intervention rather than incremental adjustment. However, the path from policy announcement to completed homes runs through complex terrain—viability calculations, construction capacity, labour availability and market absorption.

A realistic assessment suggests that even with full implementation of current reforms, closing the 70,000-home gap will take three to five years of sustained activity. The 2026 pipeline data already reflects reduced application volumes from prior years, meaning near-term completions will remain subdued regardless of processing improvements.

For the UK housing market, the coming period represents a critical test. If reforms translate into accelerated starts and restored developer confidence, a new multi-year build-out cycle can emerge. If viability challenges persist and market conditions remain fragile, the delivery gap will widen further, with lasting consequences for affordability and housing supply.