The UK Government’s Warm Homes Plan is a major national programme designed to make homes warmer, cheaper to run, and more energy efficient, while also helping the country cut carbon emissions. In practical terms, it is about upgrading homes with improvements like insulation, low-carbon heating, and solar, with a strong focus on supporting people most affected by high energy bills and fuel poverty.

Why the Warm Homes Plan matters

Millions of UK homes lose heat too quickly due to poor insulation, gaps in building fabric, and outdated systems. That leads to:

  • Higher energy bills
  • Colder homes and worse health outcomes
  • More pressure on the energy system
  • Higher household emissions

The Warm Homes Plan aims to tackle this at scale by accelerating upgrades across the country, with an emphasis on fairness and long-term quality.

What are the core goals?

The Warm Homes Plan is centered around three big outcomes:

Lower bills through better efficiency – Upgrading how homes retain and use heat reduces the energy needed to stay comfortable.

Reducing fuel poverty – A key ambition is to help significant numbers of households who struggle to afford heating, with a focus on those most in need.

Supporting net zero – Homes are a major part of the UK’s emissions profile. Upgrading them is essential to hitting national climate targets.

What’s included in the plan?

While details vary by scheme and eligibility, the plan supports a broad range of improvements, commonly including:

  • Insulation (the foundation of everything)
    • Loft insulation
    • Cavity wall insulation (where suitable)
    • Solid wall insulation (internal/external, where appropriate)
    • Draught-proofing and ventilation measures to maintain healthy indoor air
  • Low-carbon heating
    • Heat pumps and related heating controls (where appropriate)
  • Solar and other energy measures
    • Solar PV (and potentially batteries in some settings) to reduce reliance on grid electricity

The common theme is a “whole-home” approach: improving the building fabric first, then installing technology that performs properly in a better-insulated home.

Who will it help and how will it work in practice?

The Warm Homes Plan includes support for:

  • Low-income and vulnerable households (often with fully funded upgrades, depending on eligibility)
  • Homeowners who may access grants and/or finance options to improve efficiency
  • Renters, particularly through improvements driven by standards in the rented sector
  • Landlords, who may need to meet higher minimum efficiency requirements over time

The overall intent is that households should be able to access trustworthy support and improvements, and renters should benefit from warmer homes with lower running costs.

A programme of this size relies on coordinated delivery across the UK. The plan leans on:

  • Local and regional delivery, with local authorities and regional bodies playing a central role
  • Advice and support structures to help households understand options, funding routes, and trusted installers
  • Quality and consumer protections, recognising that retrofit only works when it is installed and managed correctly

This is important because home energy upgrades are not “one size fits all”. The right solution depends on the property type, condition, ventilation needs, occupant patterns, and long-term maintenance.

Although exact timings of availability of funding are not fully known yet, the Interglow team will be watching closely for updates to support our customers to provide the most cost effective works possible. To register your interest or find out more about how to improve your property get in touch with the team and we’ll be happy to help.

Remember, professional installation is crucial for optimal results. Always ensure you are using a trusted installer that is PAS2030 and Trustmark registered to get high quality works that will protect your home. As a fully registered and certified installer we know the importance of getting the work done right and supporting the whole journey for our customers.

Want help understanding what upgrades are right for your property, and how to ensure the work is done to a high standard?

Get in touch with our team for guidance on insulation options, property suitability, and how to prepare your home for future upgrades.