The residential development sector is facing mounting pressure from every direction. While the ambition behind many recent policies is understandable — improving safety, sustainability and environmental outcomes — the cumulative effect is creating a growing viability challenge across England and Wales.
For developers, investors and housing providers alike, the numbers are becoming increasingly difficult to ignore.
Recent industry research highlights that additional regulatory, taxation and policy costs can now add as much as £76,000 per new home on average — rising to almost £98,000 for high-rise developments.
At a time when the Government is targeting ambitious housing delivery figures, these escalating costs are contributing to a slowdown in planning applications, reduced delivery rates and increasing pressure on project viability.
Breaking Down the Rising Costs
The increase in development costs is being driven by a combination of inflationary pressures and new policy requirements.
Key contributors include:
- Material and labour inflation — approximately £37,000 per home
- Future Homes Standard requirements — around £10,200
- Building Regulations updates — approximately £7,770
- Biodiversity Net Gain obligations
- Nutrient neutrality mitigation costs
- Building Safety Levy contributions
- Section 106 inflation
- Landfill Tax increases
- Additional fire safety measures, including second staircase requirements
For high-rise developments, second staircase legislation alone is adding an estimated £22,000 per flat on average, disproportionately affecting urban schemes in London and major cities.
Collectively, these costs are now estimated to account for around 20% of the average market value of a new home.
The Impact on Housing Delivery
The consequences are already visible across the market. Housing completions have reportedly fallen from around 250,000 homes per year to approximately 200,000 — representing a 20% decline in delivery levels.
At the same time, residential planning applications are continuing to fall as developers reassess viability, funding structures and delivery risk.
While many of the individual policies are well intentioned, the challenge lies in the combined impact. Developers are increasingly being asked to absorb significant additional costs while operating in a market already affected by:
- Higher interest rates
- Build cost inflation
- Labour shortages
- Slower sales rates
- Reduced investor confidence
For many schemes, especially in marginal locations, viability is becoming increasingly difficult to achieve.
Why This Matters
Housing delivery relies heavily on confidence and certainty.
If development becomes financially unworkable, the pipeline of new homes slows — affecting not only developers, but also local economies, first-time buyers, renters and the wider supply chain.
The private sector remains critical to achieving the UK’s housing ambitions, but sustainable delivery requires a balanced policy environment that considers cumulative impact, not just individual initiatives in isolation.
Without intervention, the industry risks seeing:
- Fewer planning submissions
- Delayed starts on site
- Reduced affordable housing delivery
- Lower overall housing supply
Creating the Right Conditions for Growth
There is broad support across the industry for safer buildings, greener homes and improved environmental standards. However, achieving these goals alongside ambitious housing targets requires policymakers to fully recognise the commercial realities facing the sector.
A more joined-up approach to regulation, taxation and planning policy will be essential if Government and industry are to work together effectively to increase housing delivery.
The challenge now is not simply setting targets — it is creating the economic conditions that make delivering those homes viable.
