FAQs

Frequently Asked Questions

Everything you need to know about our solar, battery storage, and insulation solutions.

Solar & Battery Storage

How much can I realistically save on my energy bills with solar panels?

Most UK households reduce electricity bills by 50% to 70% with a standard solar array. When paired with a smart battery storage system to capture daytime generation for evening use, savings can exceed 80%, significantly insulating your home from rising grid tariffs.

Do solar panels work effectively during cloudy or rainy UK days?

Yes. Modern monocrystalline solar photovoltaic (PV) panels run on daylight irradiance rather than direct heat. While output peaks on clear days, high-efficiency tier-1 panels continuously generate usable power through typical overcast British weather.

Why should I add a battery storage system to my solar setup?

Without a battery, any solar energy you do not consume immediately is exported to the grid. A home battery stores surplus green power so you can power appliances, charge EVs, and heat your home during expensive peak tariff windows or overnight.

How long does a typical home solar and battery installation take?

The rooftop mounting and electrical wiring usually take 1 to 2 days for standard residential properties. Our MCS-certified engineers complete full system configuration, inverter commissioning, and safety sign-offs with minimal disruption.

Do I need planning permission to install solar panels on my roof?

In most parts of the UK, solar panel installations fall under "Permitted Development" rights and do not require formal planning permission. Exceptions generally apply only to listed properties, designated conservation areas, or flat roofs requiring bespoke ballast systems.

What happens to my solar power during a power cut?

Standard grid-tied solar systems shut down automatically for grid safety. However, if your setup includes a battery with integrated Emergency Power Supply (EPS) backup, it isolates and continues powering essential home circuits uninterrupted.

Insulation & Property Performance

How does cavity wall and loft insulation improve energy efficiency?

Up to 35% of domestic heat escapes through uninsulated cavity walls, and another 25% through roofs. Premium bonded bead or mineral wool insulation creates an unbroken thermal envelope, locking in heat during winter, keeping rooms cooler in summer, and instantly reducing heating system runtime.

Will installing solar panels or insulation increase my property's EPC rating?

Yes. Combining solar PV, smart battery storage, and cavity wall insulation directly improves your Energy Performance Certificate (EPC) score—often moving properties up 1 to 2 full bands (e.g., Band D to Band B), which adds immediate market value.

Finance, Warranties & Compliance

What flexible finance options are available for installations?

Through our partnership with regulated credit broker iDeal4Finance, you can spread the cost of your project with flexible finance options, including 0% APR for up to 60 months or competitive rates for finance terms of up to 120 months, subject to lender status, eligibility and assessment.

Can I apply for finance online, and how quickly is a decision made?

The entire finance check can be completed online in minutes. Lenders provide rapid decisions based on your credit profile, selected loan amount, and repayment term without affecting your credit rating during the preliminary check.

What warranties and performance guarantees come with the equipment?

Our tier-1 solar panels carry a 25-year linear performance warranty. Inverters and lithium battery storage units include 10 to 15-year manufacturer warranties, backed by our comprehensive Renova Energy workmanship guarantee.

Are your installers fully certified and accredited in the UK?

All installations are delivered exclusively by MCS-certified (Microgeneration Certification Scheme) engineers, TrustMark-accredited technicians, and fully insured tradespeople compliant with all UK Building Regulations.

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