Beyond the battery: what the UK’s 100-hour Energy Challenge means for your home

The Ultra-LDES Challenge The UK Government has launched the £28 million Ultra-Long Duration Energy Storage Challenge. The goal is to develop technologies capable of storing clean wind and solar energy for 100 hours or more (at least four days). This initiative aims to eradicate the UK's reliance on expensive gas-fired generation during "dunkelflaute" periods (no wind, no sun). For domestic retrofits, this grid-level evolution completely shifts how we plan home solar array sizing, domestic battery capacity, and smart energy tariffs. The 100-hour horizon: decarbonising the gaps The official government announcement of the Challenge marks a pivotal moment in the UK's transition…
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Reducing upfront (embodied) carbon in UK retrofits and new builds

The Enterprise Centre at the University of East Anglia (UEA) The UK built environment is at a critical turning point For decades, the construction industry focused almost entirely on operational carbon - the energy used to heat, light, and power a building once occupied. However, as the UK grid decarbonises and heat pumps replace gas boilers, the focus must shift. Today, the immediate threat comes from upfront carbon, which is the greenhouse gas footprint generated before a property is even handed over to the occupier. For PRL, property owners, developers, and other retrofit professionals, tackling this initial carbon spike is…
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EPC and the Renters’ Rights Act: putting retrofit in the picture

How the Renters' Rights Act and Net Zero Targets threaten older housing stock The UK private rented sector (PRS) stands at a crossroads. This month, the dual pressures of imminent legislative reform and national decarbonisation targets converged to create unprecedented anxiety for landlords - and tenants. At the heart of this shifting landscape is a widening structural chasm. On one side sits a modern, highly efficient tier of rental properties, largely compliant with evolving standards, and cheap to run. On the other lies a vast, aging portfolio of pre-war, solid-wall housing stock that risks becoming legally unlettable or financially unviable.…
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Demolition vs. retrofit in the age of Net Zero

A high-stakes question As we enter the second quarter of 2026, the construction industry stands at a critical crossroads. The push towards a Net Zero future has transformed the question of "demolish or retrofit" from a simple financial decision into a complex, high-stakes assessment of environmental, social, and economic impact. Following the seminal March 2026 research report (Demolition and Redevelopment or Retrofit, Quantitative research report, March 2026) this Blog explores the latest quantitative data, the regulatory landscape, and the crucial choices facing developers today. The 2026 landscape: why we are still demolishing Despite intense scrutiny, demolition remains a dominant, often…
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Decoding the UK Government’s Local Power Plan

A significant paradigm shift For decades, the UK's energy landscape has been dominated by large-scale, centralised power generation. While efficient, this model has often left local communities as passive consumers, vulnerable to global fossil fuel price volatility and distant decision-making. However, on February 9, 2026, the UK government, in partnership with Great British Energy (GBE), launched the Local Power Plan. Described as the "largest public investment in community energy in British history," this transformative strategy aims to unlock the potential of local, renewable energy, turning villages, towns, and cities into active participants in the Net-Zero transition. Backed by up to £1…
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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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Electric cars are going the distance

Sustainable technology is leading the way There's a new spark of good news in the world of sustainable technology - and this time, it's about how long our vehicles are lasting. A recent study published in Nature Energy has found that electric vehicles (EVs) nearly match petrol cars in lifespan and comfortably outlive their diesel counterparts. On average, electric cars now last 18.4 years, compared to 18.7 years for petrol models and 16.8 years for diesels. For years, one of the quiet reservations surrounding EVs has been longevity - particularly the durability of their batteries. Would electric cars stand the test of time, or would early adopters…
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