Scotland Regional Winner, Heating Installer Awards 2026Highly Commended, Scottish Energy Efficiency Awards 2025
🎉 Scotland Regional Winner at the Heating Installer Awards 2026
Scotland Regional Winner, Heating Installer Awards 2026Highly Commended, Scottish Energy Efficiency Awards 2025
🎉 Scotland Regional Winner at the Heating Installer Awards 2026
Solar panel installation in Thorntonhall built around the village’s large detached houses on generous plots, and the electricity bills that come with running one. MCS-certified design, no fixed packages.
The monthly electricity bill dropped from £600 to £24.79, around £6,900 saved a year, after the heat pump was also re-commissioned with the correct flow temperature.
“We’ve had very attentive customer service from Sean, and are very happy with the outcome of the installation of solar panels & batteries.”
Christine C., Gartcosh · Google review
Panels and batteries carry 0% VAT until 31 March 2027, and the Smart Export Guarantee pays you for what you send back. We size the array to your own usage first, so the savings come from the design, not a subsidy.
How big a system a Thorntonhall roof can carry decides everything else. Six miles south of Glasgow and two and a half miles west of East Kilbride, the village grew almost entirely on large detached houses.
The First World War cut short a plan for a mini Edinburgh New Town of crescents and avenues, with only three houses finished.
Post-war decades filled the plots with detached houses, and in 2011 Bowmore Crescent was named one of the most expensive streets in the Scottish property market.
What that means for the design:
• Several distinct roof planes on a generous plot rather than one south-facing pitch.
• A bigger floor area, often with an EV charger or home office, pushes daytime load past the standard 10 to 16 panels.
Our guide on solar battery storage explains why the battery, not just the panel count, decides whether a big Thorntonhall house feels the difference on its bill.
We total what all your roof planes can carry, then compare it with your bills and any EV charging. That comparison sets the panel count and the storage.
A big house draws power late into the evening, so we size Fox ESS, EcoFlow or SigEnergy storage to match.
With a charger on the drive, we set charging to run on solar surplus or cheap night rates.
Daytime office use runs straight off the panels before the battery takes any surplus.
Where the best slopes face different ways, we spread panels across them and match the inverter to the split.
Scroll through the year: real generation from a 10.5 kWp array on a Scottish roof, winter trough included.
Panels do not care how warm it is, only how bright. So the only honest answer is a year of output.
December makes a tenth of June. We plot it, because you will notice it on your first winter bill.
From March to September the array makes more than a typical home uses. The spare either exports for income or charges a battery.
Northern summers pay the winter back: June alone can cover two months of an average home’s use.
Around 9,000 kWh a year from one Scottish roof. Not a lab figure, a metered one.
Day one · scaffold up
Panels going on
Clamped, not glued
The finished array
Christine’s family home in Gartcosh, Glasgow was running up electricity bills of around £600 some months, even though it already had an air source heat pump: it had never been set up correctly, the kind of fault our heat pump servicing visits catch.
After a detailed survey of the family’s energy use, we installed a 10.5 kWp black bifacial solar PV array with 20.8 kWh of battery storage, and fully optimised the existing heat pump.
The monthly bill dropped to £24.79, an annual saving of around £6,900. Most months, 100% of the family’s daily electricity comes from solar and stored battery power. In Thorntonhall the sequence is the same: measure the usage, then size the array and battery.
“Excellent service before & after installation. We are also grateful for his knowledge and input into adjusting our heat pump and currently our bills are massively reduced.” Christine C, Gartcosh, ⭐⭐⭐⭐⭐
Illustration of a typical installation
The same team handles our solar work in East Kilbride, a couple of miles away; no subcontracted crews. Our solar panel installation in Glasgow page covers the surrounding area.
Illustration of a typical installation
Your engineer visits your Thorntonhall property, walks every roof plane rather than just the obvious one, and reviews your actual electricity usage, including any EV charger, home office or heat pump load. You get a clear quote showing expected generation, self-consumption, savings and payback. From the same usage figures our engineer can size an air source heat pump for your Thorntonhall house and price it alongside the panels.
A Thorntonhall solar installation typically takes one to two days, depending on array size and whether scaffolding is needed across several roof pitches. We fit the inverter and battery neatly and protect the property throughout. The system is tested, commissioned and registered to MCS before we leave.
We set up your monitoring app, configure the battery to prioritise self-consumption, and align you to an export tariff that pays properly for surplus. At handover we walk you through the monitoring app, so you can see the system generating and saving as designed.
Thorntonhall’s roof sizes and electricity usage push more jobs toward the top of our £8,000 to £19,000 range than the middle.
What sets the price:
• From around £8,000 for a straightforward panel-only system on a smaller Thorntonhall property.
• Up to around £19,000 for a large array with substantial battery storage on one of the village’s bigger detached roofs.
• Array size, panel choice, inverter and battery capacity set solar panel cost in Thorntonhall.
• 0% VAT until 31 March 2027 on solar and battery installations, which takes a real chunk off a system this size.
• Solar panel grants in Scotland: none for PV. Home Energy Scotland’s interest-free loan stopped covering solar PV, and the Boiler Upgrade Scheme is a heat pump scheme for England and Wales, never solar and never Scotland.
On a big Thorntonhall roof the return splits two ways: electricity the house uses as it generates, and the surplus exported.
• Battery storage pushes typical self-consumption from around 35-40% up past 70-80%, which is why we rarely recommend solar without a battery.
• Surplus export through Outgoing Octopus currently pays 12p per kWh under the Smart Export Guarantee.
• Typical payback in 8 to 12 years, then effectively free power for the rest of the system’s 25-year-plus life.
Yes. Thorntonhall sits inland in South Lanarkshire, and a typical system in this part of Scotland generates around 850 kWh per kWp installed each year. Output peaks spring through autumn and drops in winter, but a correctly sized system in Thorntonhall still delivers strong annual savings, and on a high-usage property a well-designed battery makes that saving far more visible on the bill.
Considerably bigger than a standard house in most cases. Thorntonhall’s large detached homes, many built on generous plots through the post-war decades, often have multiple roof planes and enough space to carry an array well beyond the 10 to 16 panels typical of a semi. We survey every pitch on a Thorntonhall property before quoting rather than assuming a standard size fits.
A panel-only system in Thorntonhall typically starts around £8,000, while a large array with substantial battery storage on a bigger Thorntonhall roof runs up to around £19,000. Cost depends on array size, panel type, inverter and battery capacity, and carries 0% VAT until 31 March 2027. Your engineer gives a full itemised quote at survey.
Even on Thorntonhall’s biggest roofs, there’s no direct grant for solar in Scotland. Home Energy Scotland’s interest-free loan no longer covers solar PV, so solar here is a cash purchase for owner-occupiers. The Boiler Upgrade Scheme covers England and Wales only and has never applied to solar. What you do get on a Thorntonhall install is 0% VAT until 31 March 2027.
Yes, and we recommend it for most Thorntonhall homes, especially those running an EV charger, home office or heat pump. A battery banks the day’s solar for the evening peak instead of exporting it cheaply, lifting self-consumption from around 35-40% up past 70-80%. As an Official EcoFlow Partner, we size and fit PowerOcean batteries from your actual usage data.
Savings depend on system size and usage, but a well-designed solar and battery system on a Thorntonhall house typically covers 70-80% of annual electricity needs. Combined with Smart Export Guarantee income of 12p per kWh on surplus, most systems pay back in 8 to 12 years and then run effectively free for the rest of their 25-year-plus life.
Look for solar installers in Thorntonhall who survey the whole property rather than quoting off a satellite image, and who are MCS-certified solar PV installers in their own right rather than a subcontracted crew. As a founder-led solar panel company, Sean surveys and fits every Thorntonhall job personally, so you deal with the same solar panel fitters from quote through to aftercare.
Because the houses themselves are bigger. Thorntonhall grew almost entirely on large detached homes on generous plots through the post-war decades. Bigger roofs, bigger floor areas and higher electricity use, from EV chargers to home offices, mean a standard 10 to 16 panel system often undersizes a Thorntonhall property badly. We survey every roof plane before quoting.
A few details is all it takes. We reply within one working day, with a real engineer, not a call centre.
We’ll assess your roof, explain your options, and leave you to decide.
