Why “Retro” is All the Rage in Renewables at Home

Underpinning the entire eco debate is a classic battle of head vs. heart, which all those familiar with Channel 4’s midweek, primetime schedule will recognise as the foundational narrative of all 405 episodes of its signature property programme. A 25-year long run to date. However, in our Hybrid-everything era, the dissonance between the gargantuan technological advancements since the turn-of-the-millennium, and the widely reported inefficiency and expense of installing renewable technologies in homes built before ‘Kirstie and Phil’ became household royalty has been hard to compute.

Historically, when “Big Green” began in the space of domestic renewable technologies, or “micro-renewables”, there was a bias toward innovating for new homes of the future: emphasis on the new. This was unsurprising, but bad news for neophobes, and all those who prefer their coving ornate, their garden’s established, or their neighbour’s homes finished and out of the ground. Now, that is beginning to change.

Retrofitting renewables has moved from the margins to the mainstream. For all the gizmo’s, gimmicks, and government-backed incentives associated with smart home technologies which have been pitched at Scotland’s homeowners since the turn of the millennium, meaningful advancements in, and a shift in attitudes towards, domestic renewable technologies means retrofitting seems to be at a turning point.

Moreover, as with thrift shopping’s app-inspired glow-up, going “retro” at home, it seems, is rather on-trend.

Solar panels, battery storage, air source heat pumps, enhanced insulation and EV charging are no longer the preserve of well-intentioned wannabe-Kevin McCloud's, patient eco-pioneers, or the exceedingly wealthy. Increasingly, they are becoming part of the look and language of good property: comfort, efficiency, resilience and long-term value.

In short: retrofit is having a moment.

22 Bridgewater Avenue

At 22 Bridgewater Avenue, the point is neatly made. This modern family home, set within a leafy, well-established residential setting in Perthshire’s popular market town of Auchterarder, has been revolutionised with Solar PV panels and battery storage, giving it strong credentials for carbon-conscious, energy-efficient living. With an EPC Rating of B, it is 1 SAP point shy of a Band A Rating. This is exciting. For context, a Band A Rating was the preserve of only one, single resale home sold by Rettie in 2025. 22 Bridgewater Avenue is not a concept house, nor a futuristic prototype. It is a practical, polished family home in a well-established setting, just with the added benefit of technology that quietly makes modern life feel a little more considered.

Leading the Re-Charge

The motives are not hard to understand. After several years in which the “Cost of Living Crisis” has gripped headlines and household budgets with equal force, the phrase of ‘energy independence’ had earned household recognition, long-before the Ukraine and Iran wars shone the searchlight on energy instability on the global stage. While once, the concept – in its quiet, domestic sense – perhaps sounded a bit of a mirage. A salesman’s dream: for radio adverts and retirement, rather than reality. The “Every Little Helps” mentality fostered by financial pressures has amplified the satisfaction in knowing a home has option when it comes to energy.

Where period hones are beginning to enter the conversation with new confidence, the combination of technology, timing and behaviour is key. Improving technologies mean that character and comfort can coexist, without forming a codependent relationship with an electric blanket.

This summer, our Town and Country Team are set to list a Victorian “hybrid” (a house with both an air source heat pump and a gas boiler), a country house with a pool powered by solar and heat pump technology, and a mid-century modern pad strengthened by substantial insulation. It’s clear the stigma is softening: ‘going green’ is gaining ground in new directions.

That matters because the new homes market has done much to raise buyer expectations around performance. Buyers are now used to seeing energy efficiency presented as part of the package: lower running costs, better insulation, cleaner heating systems, EV readiness. Retrofitted homes allow the resale market to answer back.

Moreover, where the matter of energy consumption is scaled, to a certain extent, by an increase in square feet, so too is its import.

At The Oaks in the chocolate-box-charming East Lothian hamlet of Whitekirk, the 4450 sq. ft of beautifully presented accommodation is serviced by an air source heat pump with underfloor heating systems on both ground and first floor, 4kw solar panels on the garage roof benefit from a Feed-in-Tariff, leaving the LPG powered combi boiler to do only the light work: heated towel rails and hot water for two of the home’s four bath and shower rooms.

Energy is not fashion. It is lifestyle.

This is not a fad. Renewable technologies are less like an artistic movement and more like a shift in infrastructure. Romanticism gave us Frankenstein. The Industrial Revolution gave us trains. The move toward cleaner, smarter domestic energy sits closer to the country’s journey from paraffin to electric than to our collective flirtation with avocado bathroom suites.

While the hardware will need to continue to advance and accessibility to it must improve, the homes of our past and present must keep pace with the future.

For sellers, strong energy credentials can help a property stand apart. For buyers, they offer reassurance that the house they love has substance and security behind the style. And for the market as a whole, they point to a broader shift in what we value: not just how a home looks, but how it performs.

The early adopters may have gone first, as they always do. The sceptics may still be peering at the analogue meter and asking the office how to open a PDF. But the direction is clear. Retrofit is not about chasing a trend. The homes going green are heading in the right direction.