October 2, 2025

Episode 11: Anne Snelson and Becky Lane (Furbnow) - Accelerating the Home Energy Transition

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Anne Snelson, carbon literacy training specialist at Lead With Sustainability, and Becky Lane, CEO and co-founder of Furbnow, discuss home decarbonisation and the consumer retrofit journey on Episode 11 of Scaling Green Tech, a podcast by Adopter.

The episode explains why UK home decarbonisation is advancing more slowly than transport electrification. Anne describes the net zero legal mandate driving UK policy and the inconsistency that follows: gas boiler phase-out dates have been repeatedly delayed, landlord EPC targets have shifted, and government departments responsible for energy security and building regulations operate without adequate coordination. Becky argues that the retrofit industry compounds this problem by treating home energy upgrades as a separate category, when most homeowners act during an existing renovation - a house purchase, a loft extension, or a failing boiler. Furbnow's strategy is to meet consumers at those trigger points. The company uses data and technology to standardise the assessment, design, and installation process, and has built partnerships with Surrey County Council, a consortium of Gloucestershire councils, and West Yorkshire Combined Authority as a one-stop-shop retrofit provider.

This episode is relevant for climate tech founders building consumer-facing solutions in the built environment, energy efficiency investors, policymakers working on UK retrofit strategy, and marketing teams developing messaging for home decarbonisation products.

Guest Profiles

Anne Snelson - Carbon Literacy Training Specialist, Lead With Sustainability

Anne Snelson spent approximately 30 years working across the transport, telecoms, and built environment sectors before retraining as a carbon literacy specialist around three years ago. Snelson now delivers Carbon Literacy Project training to large organisations including BMW, helping corporate teams understand the urgency of climate action and commit to specific emissions reductions in their roles. Her built environment training course covers planning, biodiversity, embedded emissions, and Passivhaus standards, drawing participants from construction companies, landscape architects, and corporate sustainability teams.

Lead With Sustainability Website

Anne Snelson LinkedIn

Becky Lane - CEO and Co-founder, Furbnow

Becky Lane studied geography with a focus on climatology at Oxford, and began her career as a commercial consultant at Energy Systems Catapult, a UK energy innovation agency, supporting early-stage companies on business model and go-to-market strategy. She subsequently led the Net Zero Neighbourhood Programme in the West Midlands, before co-founding Furbnow with Lawrence Watson in October 2022.

Furbnow is a home energy transition company helping homeowners plan and execute energy efficiency upgrades. Working across England and Wales, the company provides home energy plans, retrofit assessments, technical designs, and installation coordination through a single platform. Furbnow has delivered plans to just under 1,000 homes, and works with local authorities including Surrey County Council and West Yorkshire Combined Authority as a one-stop-shop retrofit provider.

Furbnow Website

Becky Lane LinkedIn

Key Takeaways

  • Energy use in UK homes accounts for approximately 22% of UK domestic emissions. Globally, the figure is approximately 25%.
  • Transport is the largest source of UK domestic emissions at approximately 30%. The built environment is the next priority sector.
  • An estimated 28 million out of 30 million UK homes probably need some form of energy efficiency improvement, according to Anne Snelson.
  • In UK new-build construction, enough material is wasted during the building of every four houses to construct a fifth.
  • The best payback period for home energy measures is approximately six years, achieved only by solar panels - and only if you are lucky. Insulation and heat pump installations typically have payback periods of 15-20 years. Becky Lane argues this makes payback an ineffective lead message for consumer marketing; comfort and health are stronger motivators for most homeowners.
  • Between 42% and 60% of respondents across multiple consumer surveys say they intend to make energy efficiency upgrades to their home within the next three to five years, according to Becky Lane's characterisation of available research.
  • In Furbnow's product-market fit assessment, 60% of customers said they would be very disappointed if the product did not exist, and 40% said they would be somewhat disappointed. Sean Ellis methodology considers 10% the baseline for a good result.

FAQs

  1. Why is home decarbonisation in the UK progressing more slowly than transport? 

Transport decarbonisation has a clear and uniform pathway: electrification. Home decarbonisation does not. UK housing stock is highly varied - homes built before around 2000 typically need insulation and other modifications before a heat pump is viable - and an estimated 28 million out of 30 million UK homes need some form of energy efficiency improvement. Policy adds further complexity. Government departments responsible for energy security and building regulations have not consistently coordinated, producing targets that shift and signals the supply chain cannot reliably act on.

  1. What is PAS 2035? 

PAS 2035 is a UK standard governing the design and delivery of energy efficiency improvements in existing homes. It defines professional roles - retrofit assessors, retrofit coordinators, and retrofit designers - responsible for surveying, planning, and overseeing work. The standard is widely adopted for government-funded retrofit programmes, but sits outside building regulations and primary legislation. According to Furbnow co-founder Becky Lane, this ambiguous status adds confusion for consumers trying to understand what qualifications to look for, and creates a fragmented market for the new professional roles it has introduced.

  1. What is carbon literacy training? 

Carbon literacy training teaches individuals how to understand climate science, quantify their carbon footprint, and commit to specific emissions reductions. The Carbon Literacy Project is the structured accreditation framework for this type of training. To receive certification, participants must commit to a concrete action to reduce emissions in the workplace or as an individual. Carbon literacy specialist Anne Snelson delivers this training to large corporations including BMW, covering topics from scope 1, 2, and 3 emissions to built environment decarbonisation, transport, and biodiversity.

  1. When is the right time for homeowners to consider energy efficiency upgrades? 

The most effective moment is during an existing renovation - a house purchase, a loft extension, or a major refurbishment - because the cost of energy efficiency measures is often a small fraction of the overall project cost, and the disruptive work is already happening. Becky Lane argues that homeowners rarely undertake retrofit as a standalone decision. One particularly high-stakes trigger is an ageing boiler: replacing it on an emergency basis typically results in a like-for-like gas boiler installation. Planning ahead gives homeowners time to assess whether a heat pump, combined with insulation, is viable for their property.

  1. What motivates UK homeowners to invest in home energy improvements? 

Comfort is the primary driver, according to Becky Lane. UK homes heat up quickly and lose heat quickly, making them both cold in winter and prone to overheating in summer. Addressing these comfort problems - rather than reducing energy bills or responding to climate concern - is what most homeowners cite when they proceed with upgrades. Lane argues that payback time is a particularly weak lead message, since even solar panels, the best-performing measure, take approximately six years to pay back if conditions are favourable.

  1. How do local authority partnerships support home retrofit at scale? 

Local councils have an incentive to grow their local retrofit markets: they run government-funded energy efficiency programmes and want the benefits to extend into the self-funded sector. According to Becky Lane, government grant funding caps the grant-funded market at a fixed level regardless of demand - around one billion pounds per year - so growth beyond that level requires mobilising homeowners who pay for upgrades themselves. Furbnow has partnered with Surrey County Council, a consortium of Gloucestershire councils, and West Yorkshire Combined Authority to act as a one-stop-shop provider. These partnerships help build consumer trust by signalling that the company has been procured and vetted by a public body.

Topics Covered

  • The UK net zero legal mandate and Climate Change Committee carbon budgets
  • Policy confusion: DESNZ, building regulations, and inconsistent government signals
  • Consumer motivations for home energy upgrades: comfort over payback
  • Renovation trigger points and the problem with "retrofit" as a category
  • Furbnow's founding, early traction, and supply chain challenges
  • PAS 2035 and the fragmented retrofit professional landscape
  • Where home energy upgrades sit on the adoption curve
  • Product-market fit: the Sean Ellis methodology and Furbnow's results
  • Furbnow's go-to-market strategy: council partnerships and the iChooser/Solar Together model
  • Carbon literacy training in large corporates: scope 3 emissions and workforce engagement
  • Advice for climate tech founders on team building, hypothesis-led strategy, and using AI tools

Related Content

Episode 17: Amandeep Kalra (GreenFlip) - Unlocking the ROI in Decarbonising Homes

Episode 10: Tim Rault-Smith - Lessons in Startup Problem-Solving and Scaling Innovation

Episode 9: Turning Insights Into Impact - Auditing Your Online Presence 

Episode 6: Beth Holloway and Leo Thomson (feasibly) - Using AI to Accelerate Decentralised Energy

About Scaling Green-Tech

Scaling Green-Tech by Adopter is a podcast for people shaping the future of climate technology - founders, investors, and ecosystem leaders at the forefront of adaptation and resilience solutions. As part of Adopter’s mission to accelerate the adoption of high-impact climate innovation, the podcast aims to amplify real voices and practical insights that can help others navigate the startup journey. These conversations go beyond the hype to bring real, unfiltered stories - the wins, the roadblocks and everything you need to know in between.

Read the full transcript here
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