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Retrofit funding explained – What funding options are available?

Delivering energy efficiency improvements at scale requires more than technical expertise – it relies on the right funding solutions.

Across the UK, a range of funding schemes are available to support retrofit projects, helping housing associations, local authorities and delivery partners improve the performance of existing homes. Understanding how these schemes work, and how they can be applied, is key to delivering successful, compliant projects.

At Zero Carbon Group, we support clients in navigating funding routes and delivering funded retrofit programmes that improve homes, reduce emissions and support long-term sustainability goals.

Funding plays a central role in enabling retrofit projects across the social housing sector.

Schemes are designed to support:

  • Energy efficiency improvements across existing housing stock
  • The transition to low-carbon heating systems
  • The reduction of fuel poverty
  • Progress towards Net Zero targets

By combining funding with a whole-house retrofit approach, projects can deliver meaningful, long-term improvements for both housing providers and residents.

Learn more about the schemes we support by clicking here.

There are several established funding routes currently supporting retrofit delivery across the UK.

The Warm Homes programme supports large-scale improvements to housing stock, particularly within the social housing sector.

Focused on improving homes with lower EPC ratings, the programme enables the delivery of whole-house retrofit solutions and low-carbon technologies.

The Great British Insulation Scheme focuses on improving insulation in homes to reduce heat loss and improve energy efficiency.

It supports measures such as loft insulation, cavity wall insulation and solid wall insulation, contributing to more comfortable and energy-efficient homes.

Learn more here.

The Boiler Upgrade Scheme supports the installation of low-carbon heating systems, including heat pumps.

It plays an important role in helping to decarbonise heating across residential properties and supports the transition away from traditional fossil fuel systems.

Learn more here.

While funding provides the opportunity to deliver retrofit at scale, successful outcomes depend on experienced delivery partners.

At Zero Carbon Group, we work closely with housing associations, local authorities and Tier 1 contractors to deliver funded retrofit projects in line with PAS 2030 and PAS 2035 requirements.

From initial planning through to installation and completion, our teams ensure projects are delivered:

  • Safely
  • Efficiently
  • In full compliance with industry standards

Our experience across multi-measure retrofit programmes allows us to support clients in delivering projects that meet both funding requirements and long-term performance goals.

Funding schemes such as ECO, Warm Homes, GBIS and BUS are helping to unlock large-scale retrofit across the UK.

By improving the energy efficiency of existing homes, these programmes play a key role in reducing carbon emissions, improving living conditions and supporting the UK’s transition to Net Zero.

At Zero Carbon Group, we combine technical expertise with a collaborative approach to deliver funded retrofit solutions across the UK.

Whether supporting housing providers or working alongside delivery partners, we help ensure projects are completed to the highest standards and deliver lasting benefits.

Learn more about our funding schemes and how we can support your next project by clicking here.