ArcBox on every man-made MC4
The connectors crimped on the roof are among the most common failure points across the UK installed base, which is why we seal every man-made MC4 connector in an ArcBox enclosure.
Alectrona
Residential solar PV · engineer-ledHome solar PV, engineered for a 25-year life.
Home solar PV, surveyed properly and sized to your usage.
Too much solar is sold on a doorstep and designed in a hurry. We scan your roof into a 3D model, size the system to how you actually use power, and set out every component and the reasons for it in writing.
Book a free survey. No deposit on a promise.
- Survey-led design
- 0% VAT to 31 March 2027
- We model your real generation
- 0% VAT on residential solar until 31 March 2027
- Free survey & design no deposit on a promise
- Real-data system sizing your roof, your usage
- 25-year asset, engineered bolted to your roof
Every quote starts with your actual roof. Here is a real one. Scanned at the survey, modelled panel by panel. Have a look around.
This is a real customer home, scanned at the survey and rebuilt as the 3D model the design was made on. The dormers, the roof windows and the neighbouring trees are all in the model, so the shading on every single panel is calculated rather than guessed. No satellite squint, no doorstep estimate: the design starts from the roof you actually have.
That model feeds a PV*SOL premium simulation, the same bankable-grade software used to model commercial solar for lenders, run hour by hour against twenty years of local climate data. It is the working behind every number on your quote.
A 25-year asset bolted to your roof. Worth getting right.
A solar system is a 25-year asset bolted to your roof. We design around your real electricity use, your roof’s orientation and shading, and the gear that lasts. You get a documented design before anything is fitted, and the components are named in writing so you can see what you are paying for.
PV Ultra cable, rated for the life
Where the cable run permits we use PV Ultra cable, rated for the full design life rather than the minimum the job would pass with.
A documented design, first
Quality panels and a reputable inverter, specified for your roof and set out on paper before anything is fitted, never a number scribbled at the kitchen table.
Two generations of specification, on one roof.
The black arrays on the left are the current specification. The silver-framed panels on the right are an older install on the same roof, and the difference in how they sit is the difference the engineering makes.
These are engineering choices, made because they last. It is the same approach we bring to commercial solar over 50 kWp, and it pairs with retrofit battery storage when you want to keep more of what you generate.
One roof, two generations of specification: flush black in-roof arrays beside older on-roof panels.
Designedaroundyourrealuse.
Builtfromgearthatlasts.
Setoutinwritingbeforeanythingisfitted.
A quotation that shows its working, on its own private page.
Too many solar quotes are a number and a leaflet. Yours is a private web page built from your survey, and every figure on it can be interrogated.
Your roof, panel by panel
The 3D model from your survey with the array placed on it, and the modelled annual shading loss for every individual panel, dormers and all.
The full energy balance
From sunlight landing on the roof to electricity at the socket, every modelled gain and loss accounted for, straight out of PV*SOL.
A 25-year money view
Generation, savings and export on your actual tariff, year by year for twenty-five years, with every assumption stated so you can challenge it.
A fixed, itemised price
Every component named with its manufacturer warranty, everything included from scaffolding to paperwork, at 0% VAT. The price quoted is the price paid.
Named brands, named warranties.
We are not tied to a manufacturer. The design names the exact panel, inverter and battery for your roof and your usage, each with its manufacturer warranty set out in the quote, and ArcBox protection on every man-made connector as standard.
A fixed, itemised quote after the survey. At 0% VAT. Modelled on your real figures, not a best-case brochure number.
Costs depend on roof size, system size and whether you add storage. We give you a fixed, itemised quote after the survey, at 0% VAT, which is in place until 31 March 2027.
In Yorkshire a typical home system generates a little below the UK average per kW. We model your real generation and savings honestly rather than quoting a best-case brochure figure. You see the working before you commit, and the price you are quoted is the price you pay. The quote also names each component’s manufacturer warranty in writing, so you can see what stands behind the 25-year life before you sign.
Charge cheaply overnight. Get rewarded for using your own power.
Once you’re generating and storing, a smart tariff does the rest, charging cheaply overnight and rewarding you for using your own power. The right one depends on your usage pattern, whether you have a battery and whether you run an EV.
Intelligent Octopus Go
The one to look at if you run an EV. A cheap overnight window charges the car and the battery together, and the app schedules it for you.
Cosy Octopus
Built around a heat pump’s daily rhythm, with several cheap windows through the day rather than one long overnight block.
Flux has closed to new customers. Tariffs and rates change, so we point you to the one that fits your setup at the time and leave the switching decision with you.
Four steps, set out in writing. No pressure, no deposit on a promise. You see the design and the quote first.
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Survey Free survey
We survey the roof: orientation, shading and how you actually use power. No deposit on a promise.
Free · On site
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Design Documented design
A design sized to your home, with the components and the reasons for them set out in writing, and a fixed, itemised quote at 0% VAT.
Set out in writing
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Install Install once approved
A typical home install runs one to two days once the design is approved, with ArcBox protection on every man-made MC4.
1–2 days
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Switch-on Switch-on
We commission the system and hand it over. We confirm SEG-eligible timing as our MCS certification lands.
Commissioned + handed over
Solar PV: common questions
It depends on your roof, the system size and whether you add battery storage, so we do not publish a price list. We give a fixed, itemised quote after a free survey, at 0% VAT until 31 March 2027, with every component listed so you can see what you are paying for. The price you are quoted is the price you pay.
A typical home install is one to two days on site once the design is approved. The survey and the documented design come first, so the fitting itself is the short part. We confirm your dates when the design is signed off, and we commission the system and hand it over before we leave.
Most are. South-facing is ideal, but east and west roofs still perform well, and the survey settles it properly: we scan the roof, model the shading panel by panel and show you the modelled generation before you commit. If the numbers do not stack up for your roof, we tell you that plainly rather than sell you a system that disappoints.
For most homes, no. Rooftop solar is permitted development, so a planning application is not normally needed. We check your property as part of the survey and flag it if the house is listed or sits in a conservation area, where the consent rules are tighter, before any design is drawn.
In Yorkshire a home system typically generates a little under the UK average per kilowatt installed. The honest figure for your house depends on the roof orientation, pitch and shading, so we model your real generation in the design rather than quoting a best-case brochure number. You see the working before you commit.
Yes, through the Smart Export Guarantee, but SEG payments require the installation to be MCS-certified, and that cannot be added afterwards. We are completing our MCS accreditation now and will confirm SEG-eligible install timing as it lands. We would rather tell you that plainly than take a deposit on a promise we cannot yet keep.
Yes. Residential solar installations carry 0% VAT until 31 March 2027, after which the rate is due to rise to 5%. The relief applies to the install itself and does not depend on MCS, so it holds regardless of where our accreditation stands.
Often it does, especially on a smart tariff or with an EV, because a battery lets you use your daytime generation at night. We model your system both ways, with and without storage, so you can see the difference before you decide. An AC-coupled battery can also be retrofitted later without redesigning the solar.
Yes. A home solar system has to be notified to your electricity network operator, and larger systems need the operator’s approval before switch-on. We handle the application and the paperwork as part of the install, along with the electrical certification and the building-regulations notification, so there is nothing for you to chase. Scaffolding is part of the quote too, never a surprise extra.
The manufacturers’ warranties are named in your quote, component by component, and our workmanship is covered separately. On the makes we fit, panel product warranties typically run to 25 years with performance warranties to 30, and battery warranties typically to 10; terms vary by make and series, so we read the exact figures back to you in writing rather than quoting a headline number here.
So your design is ready and you are first in the queue when our MCS accreditation lands. The survey and the documented design carry no charge and no obligation, and the 0% VAT position on the install does not depend on MCS. We will be straight with you about install timing, and we take no deposit on a promise.
Last updated August 2026
Book a free survey
Book a free solar survey.
A proper survey and an honest design, with no pressure and no deposit on a promise. We’ll tell you exactly where things stand.
- Survey-led design, set out in writing
- 0% VAT on the install (to 31 March 2027)
- We model your real generation and savings
- No deposit on a promise