By Sophie Neaves on Thu 11 December 2025 in Blog
The UK Autumn Budget 2025: How will the changes affect builders and developers?
As we move into 2026, the government remains under pressure to provide solutions and support across housing and property development. With the Autumn budget, Labour continues to implement new legislation that will impact landlords, property owners and developers alike.
The 2024 Autumn Budget marked the beginning of this trajectory, introducing increased funding for affordable housing and early steps towards increased building regulations- particularly around ventilation, indoor air quality, and energy performance. These measures set the foundation for the more comprehensive regulatory and funding changes that have now emerged. Tracking the latest developments is the only way to ensure that developers can stay on top of the evolving regulatory standards- crucial for future planning.
Read on to find out what was announced in this year’s Autumn Budget, and how to adapt to new regulations and funding routes.
Key announcements from the November 2025 budget
The 2025 Autumn Budget has the potential to significantly impact developers, landlords and homeowners. Here are our key takeaways from the latest announcements:
Energy-efficient housing
Chancellor Rachel Reeves stated that the cause of high energy prices should be handled at the source, but what does that mean for developers and landlords?
- Energy-efficiency: In order to make the targeted £150 per year household saving on energy bills, developers will need to ensure they utilise as many energy-saving technologies as possible.
- Mitigating rising taxation with cost savings: With the amount of tax paid by landlords on rental income increasing, landlords will need to find new ways to reduce costs. Whilst ventilation solutions may require more upfront investment, their contribution to energy savings and retrofit costs will be significant over time.
The Warm Homes Plan: Continued Roll-out
The chancellor’s Autumn budget made specific mention of the Warm Homes Plan regarding family housing. For developers, this means:
- Building standards: Adhering to key codes of practice, including minimum EPC (Energy Performance Certificate), thermal insulation and ventilation standards
- Compliance monitoring: Ensuring proactive monitoring to ensure these conditions are maintained
Even though the plan is firmly underway, its explicit mention in the new budget highlights the importance of prioritising continued investment into effective, “future-proofed” ventilation solutions.
Safe and comfortable homes
With continued emphasis on occupant wellbeing and living standards remaining a key priority following this Autumn Budget, developers and landlords face ongoing pressure to improve heating and ventilation in both private and public housing.
- Occupant health and wellbeing: With the latest implementation of Awaab’s Law firmly in the public consciousness, landlords remain responsible for ensuring both social housing properties meet regulatory standards.
Landlords will benefit from consistent investment into effective residential ventilation solutions, like residential MVHR, which will allow them to ensure ventilation and heat comfort levels are met whilst investing in the value of their property/properties.
How might the Autumn Budget 2025 announcements impact the housing and development sector?
Ahead of the 2025 Autumn Budget’s announcement, there were a number of anticipated changes across housing, ventilation and energy efficiency standards. Now that the Autumn Budget has been released, it has the potential to significantly affect upcoming legislation in the near future:
Changes to energy-efficiency funding
Plans to remove energy efficiency levies have been suspected since 2024. It has been anticipated that funding will instead be provided through existing routes of government funding- specifically, the Warm Homes Plan. Whilst any decisions made should be intended to reduce household energy bills, one predicted unfortunate side effect is that it could slow the uptake of energy-efficient systems. With the cost of living crisis causing ongoing financial strain, many critics have highlighted that such a change may not be feasible, particularly for self-built residential properties.
The Future Homes Standard (FHS)
The Future Homes Standard (FHS)- due to take legislative effect in December 2025- was expected to feature in the 2025 Autumn Budget as the government reinforces its net-zero focused policies. Whilst not mentioned explicitly in the Budget announcement, with the Home Energy Model (HEM) becoming the new standard, developers will need to design homes that achieve far lower carbon emissions. These changes would spur faster adoption of renewable heating systems, in particular heat pumps, that meet the evolving energy performance targets. This could signify future support measures or schemes to ease and incentivise their adoption, aligning closely with changes to Building Regulations Part L and Part F on energy efficiency and ventilation.
Building retrofits
It’s long been speculated that the budget may result in new funding routes for housing and retrofit projects, especially in light of growing demand and legislative need for energy-efficient technologies. However, economic uncertainty has so far led to slow retrofit implementation. With the private and social housing RMI (Repair, Maintenance and Improvement) sector not forecasted to improve before Spring 2026, alternative funding could provide a much-needed boost to property owners and landlords alike.
Proactively updating energy-efficiency strategies is crucial as these new (and future) budget decisions can influence ventilation standards and energy-efficiency targets across both commercial and residential builds. With these uncertainties to consider, developers, landlords and homeowners must prepare early: helping them to stay compliant, manage costs, and adapt to post-2025 policy changes.
Ventilation solutions to navigate the Autumn Budget Impact
Following the 2025 Autumn Budget, developers and landlords will continue to face tight regulations around everything from energy efficiency to indoor air quality and compliance. Mechanical Ventilation with Heat Recovery (MVHR) can provide a reliable, future-proof solution that meets new and increasing regulatory requirements. Both commercial heat recovery and residential heat recovery solutions are designed to be easily integrated into a wide variety of both new-build and retrofit projects. With these solutions, developers can access new funding routes and meet compliance criteria as they evolve.
Proactively plan with ventilation solutions from Airflow
At Airflow, we understand how the 2025 Autumn Budget and evolving building regulations impact both homeowners and developers. Our expertise in ventilation, energy efficiency, and compliance enables us to guide projects through these changes with confidence. By integrating our solutions, you can ensure your developments meet current requirements while staying ready for changing regulations and complex funding routes.
Ready to future-proof your next project? Get in touch with our team today.