A new funding initiative has been launched to improve energy efficiency in social housing across the UK. The National Wealth Fund (NWF), a government-backed investment scheme, has teamed up with NatWest Group to offer up to £500 million in loans aimed at helping registered housing providers complete vital retrofit upgrades.
To make these loans more accessible, the NWF will guarantee up to 80% of the loan amount (capped at £400 million). This guarantee will significantly ease the financial burden for housing providers, making it easier for them to secure the funding necessary to carry out essential improvements and bring their properties up to modern energy efficiency standards.
Supporting the Warm Homes Plan
This funding initiative aligns with the government’s ambitious Warm Homes Plan, which aims to improve the energy efficiency of five million homes over the next five years. Through this initiative, improvements could include the installation of insulation, solar panels, enhanced ventilation, and low-carbon heating systems – helping to make homes warmer, more energy-efficient, and cheaper to run for residents.
How the National Wealth Fund Loans Will Work
Loans will be available through leading banks including NatWest, Royal Bank of Scotland, and Ulster Bank. The loans can be repaid over a flexible term of up to 15 years. Importantly, these loans are unsecured, meaning that housing providers won’t need to offer physical assets such as property as security.
This new loan scheme builds upon other recent funding initiatives, such as the £1.29 billion allocated through the Warm Homes: Social Housing Fund (Wave 3), which is already supporting energy efficiency projects in social housing.

A Continued Commitment to Retrofit Investment
The NWF has already made significant strides in supporting retrofit projects across the social housing sector. In the past, the fund has worked alongside Barclays, Lloyds, and The Housing Finance Corporation (THFC) to back various retrofit finance projects. With this latest commitment, the NWF’s total support for social housing upgrades has now reached an impressive £1.3 billion.
This investment represents an exciting milestone in the UK’s ongoing efforts to improve housing standards and reduce carbon emissions. As more funding pours into the retrofit space, the opportunities for retrofit professionals are expanding, creating a wealth of new projects that will drive the sector forward in the coming years.