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News & insights
Project updates, milestones and thinking from across the Cornerstone Group.
The latest from across construction, renewable energy, roofing and fit-out. For full project detail, see our case studies.
NewOne roof, one array, one 30-year warrantyHave Cornerstone fit your new roof and install your solar, and both are covered by a single combined 30-year warranty. No grey area where the roof and the panels meet.Read the article 
110 kW of solar for a poultry farmA rooftop array running the full length of a poultry shed, designed and installed by our own energy team.Read more 
334 kWp rooftop solar delivered at Booker WatfordA new roof and a 334 kWp array delivered together, with a 20-year combined warranty and a payback of around three years.Read more 
75 kW solar cuts costs at Bilsborrow Hall FarmA rapid payback and around 18 tonnes of CO₂ saved every year for a family dairy farm.Read more 
17th-century barn restored in the Forest of BowlandA Farming in Protected Landscapes-funded restoration using traditional techniques for a working farm.Read more 
The Woodland Spa, a £24m transformation completedBespoke joinery and the full interior fit out for a luxury spa transformation at Crow Wood, Burnley.Read more Guides
All insights Practical guides for building owners.
GuideCommercial solar payback explained: what affects it and how long it takesHow commercial solar payback works, what drives it, from daytime demand to roof condition, and how we model yours before you commit.Read the guide 
GuideShould you re-roof before installing solar? The case for doing both togetherWhy roof condition matters before solar, how a combined roof and solar project works, and the warranty when we fit the roof and the solar.Read the guide 
GuideBattery storage for business: when it makes sense and what it deliversWhen commercial battery storage makes sense, how it lifts solar self-consumption and how it keeps your business running through outages.Read the guide 
GuideAsbestos cement roofs: your options for removal, over-cladding and re-roofingOptions for ageing asbestos cement and fragile roofs: removal, over-cladding and re-roofing, how safety is managed and how to add solar.Read the guide Project spotlights
The stories behind the work.
Project spotlightProject spotlight: Booker Watford roof and solarHow a roof that was due for replacement became the platform for a 334 kWp solar array at Booker Watford, with a 3.1-year payback.Read the story 
Project spotlightProject spotlight: Greater Lancashire Hospital theatre expansionA new operating theatre, air-handling unit and backup generator, designed and built around a live hospital with minimal disruption.Read the story Project spotlightProject spotlight: Fober Farm 17th-century barn restorationRestoring a 17th-century barn in the Forest of Bowland with traditional techniques, so it can work again for a farming family.Read the story 
Project spotlightProject spotlight: Ye Horns Inn restoration and extensionHow a Grade II listed country pub that had fallen into disrepair was restored, extended and re-established as a community hub.Read the story More news and insights coming soon. Check back or get in touch to talk about your project.
Power your business with solar.
Our renewables team designs, installs and maintains commercial solar, storage and EV charging across the North West and the UK.
Commercial solar PV installationRoof and ground-mounted solar sized to how your building uses power, with a clear payback.Battery storage for businessStore cheap or solar power and use it at peak times to cut bills further.Commercial EV charging pointsWorkplace and fleet charging, ideally powered by your own solar.
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