The PRL Guide to the 2026 Warm Homes Plan

The "Rooftop Revolution" The landscape of British home energy has undergone its most significant shift in a generation. In late January 2026, the government officially launched the Warm Homes Plan (WHP), a landmark £15 billion investment, designed to transform five million properties into energy-efficient, low-carbon homes by 2030. For homeowners, this isn't just another environmental target - it is a comprehensive financial package aimed at permanently slashing energy bills, with some households expected to save up to £850 a year. Designed to fit homes of all sizes, the 2026 plan introduces a "universal offer" of grants and loans that finally removes the massive…
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UK housing: embracing insulation innovations

Why Bio-Insulation leads the way For decades, the standard approach to keeping a British home warm has involved rolls of itchy glass wool, or thick slabs of rigid plastic foam. While effective at trapping heat, these materials carry a heavy "carbon debt" from their intensive manufacturing processes. However, a new wave of Bio-Insulation Innovation is hitting the UK market. Leading the charge is WheatEx, a pioneering UK-developed insulation board made from agricultural by-products. For homeowners looking to slash energy bills while lowering their environmental footprint, these plant-based materials are a game-changer. The problem with traditional insulation Most UK homes rely on mineral wool…
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The Future of Retrofit: what to expect in 2026

Home Energy Efficiency: Trends for 2026 As we move into 2026, the UK home renovation landscape is no longer driven solely by aesthetics, or by adding extra living space - instead, a more urgent priority has taken centre stage: retrofitting for energy efficiency. With the UK government's Net Zero 2050 targets looming and energy bills remaining a significant concern for households, 2026 is set to be the year that "green" upgrades become mainstream. The introduction of the massive £15 billion Warm Homes Plan is shifting the focus from sporadic, small-scale improvements to holistic, whole-house retrofits. Whether you are looking to…
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2025: the second-hottest year since records began

A landmark year 2025 is shaping up to be another landmark year in the climate record. Globally it is on track to be the joint second warmest year ever measured, while the UK is likely to log its warmest year since records began. For householders, that is not an abstract statistic, but a signal to rethink how homes are heated, cooled and protected from floods and storms through intelligent retrofit. A year that confirms the trend The global climate story in 2025 is one of persistence rather than surprise. The planet is not just warming in occasional spikes; it is settling into…
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Retrofit and decarbonisation: it’s time to rethink the route to scale

Retrofit with purpose: rethinking decarbonisation and design Across the UK, the call for mass retrofit grows louder by the month. Buildings account for around 40 per cent of our carbon emissions, and if we are serious about meeting net zero targets, large-scale retrofit is non-negotiable. Yet despite the ambition, the path we are currently paving could make true scale impossible. From May 29, 2025, new rules in England require all new Air Source Heat Pump (ASHP) installations to comply with the MCS 020a standard, but the new rules will not come into effect until May 29, 2026. From this date, all air source…
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A new era for England’s woodlands

An overview of the Western Forest Initiative The Western Forest Initiative represents a transformative approach to woodland management and environmental sustainability in England. Launched with the ambitious goal of planting 20 million trees by the year 2050, this project aims to counter the effects of climate change while enhancing local biodiversity. The initiative is not merely about tree planting; it encompasses a broader vision for the creation of 2,500 hectares of new woodland, which will serve both ecological and social purposes. One of the primary objectives of the Western Forest initiative is to mitigate the detrimental impacts of deforestation and…
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The Future of Retrofit: what to expect in 2025

What lies ahead... As leading UK retrofit specialists, PRL has witnessed significant changes in the industry over the past few years. The urgency of decarbonisation, rising energy costs, and stricter building regulations have all contributed to a rapid evolution in retrofit practices. Now that we find ourselves once again at the start of a new year, it is essential to consider what lies ahead for homeowners, landlords, and industry professionals alike. The drive for energy efficiency We feel that one of the biggest drivers for retrofit in 2025 will continue to be energy efficiency. The UK government's net-zero targets mean…
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Cracking the energy efficiency code

Why is retrofitting UK homes thought to be such a challenge? Have you read this BBC article: "An energy efficient home - why is it so difficult?" (Published: 12 November 2024). The article deals with some homeowners who are finding it quite a task to get retrofit help and advice. Around 29 million British homes require retrofitting by 2050, according to the UK Green Building Council, an industry body. Did you know that, under PAS 2035:2019 guidance, all domestic retrofit projects should use a Retrofit Coordinator? The drive to make UK homes more energy efficient is an essential part of combating…
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Net Zero Carbon homes are gaining in popularity

Built to last As a background to Carl Dodd's personal Scottish border NZC build (based on an adapted traditional vernacular design), we wanted to write about the concept of Net Zero Carbon homes, and explore why you could consider building one, discuss the benefits of living in such a home, and provide practical tips on making your current home more energy efficient. (c) Carl Dodd / PRL - KLB - Scottish Net Zero Carbon New Build (on-going) If Carl's build has inspired you to build your own sustainable home, or make energy-efficient upgrades to your existing home, every step toward…
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How to make 2024 a greener year

A New Year brings a whole host of lifestyle opportunities The New Year gives us all time to reflect on our lifestyles and consider how we can make positive changes for the planet. Green New Year's resolutions not only benefit the environment, but can also lead to a healthier, more sustainable way of life. In this Blog, we'll explore a variety of creative and impactful resolutions for 2024. These are my New Year Resolutions for 2024: 1 - I would like to re-do my Carbon Footprint using the WWF Carbon Footprint Calculator (https://footprint.wwf.org.uk) - and review my Net Zero Carbon…
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