Professional answers for homeowners and businesses in London & surrounding areas.
A typical 4 kW system for a 3-bedroom house costs £5,500–£7,500 fully installed (including 0% VAT until March 2027). SKV Renewables provides free, no-obligation surveys for exact pricing.
Solar reduces the electricity you buy from the grid, and the Smart Export Guarantee pays you for what you export. Payback depends on system size, your usage and your tariff, so we set out the numbers for your own property at survey rather than quoting an average, and we are happy to show you the calculation behind them.
No – most rooftop installations are permitted development. SKV Renewables handles all checks and paperwork.
Panels last 30+ years with a 25-year performance warranty and 10-year inverter warranty as standard. Annual output drops by only ~0.5% per year.
South-facing is ideal, but east/west roofs still work well. North-facing systems are possible but produce less – we assess every roof for free.
You earn 15–24p per kWh for excess electricity exported to the grid. SKV Renewables helps you choose the best SEG tariff.
Very little – rain keeps them clean. An annual visual check (included in our service plans) is recommended.
A smart home charger costs £800–£1,500 installed. From April 2026 you can claim up to £500 government grant if you rent, live in a flat, or have no driveway.
Yes – we install OZEV-approved smart chargers compatible with every electric vehicle. They allow off-peak charging to cut costs to as little as 2p per mile.
Yes. The 2026 grant scheme now covers flat owners and renters. SKV Renewables manages landlord approvals and on-street solutions.
Usually just 1 day. We complete most jobs in a single visit with minimal disruption.
Yes – buyers actively look for homes with charging points, especially in London where parking is limited.
Total installed cost is £10,000–£15,000. With the £7,500 Boiler Upgrade Scheme grant you pay as little as £2,500–£7,500. SKV Renewables handles the full grant application.
Yes. Modern air-source heat pumps operate at low outside temperatures. Whether your heating costs rise or fall against a gas boiler depends on your insulation, your radiators and your electricity and gas tariffs, so we model it for your home at survey and show you the result before you commit.
Usually not. Our systems are designed to work with existing radiators in most London homes.
2–3 days for a typical house. We schedule work to minimise disruption.
Yes – one grant per property. SKV Renewables is fully MCS-accredited and manages the entire process.
A 5 kWh battery costs £3,000–£4,500; 10–13 kWh systems (ideal for most homes) cost £5,000–£8,000 fully installed.
Yes – we retrofit batteries to any solar system. You can then store daytime energy for evening use and use more of your own generation instead of exporting it. How much depends on your battery size and when you use electricity.
Yes – 0% VAT until March 2027 when installed with solar. Certain low-income households may also qualify via ECO4.
10–15 years with a 10-year warranty. Modern lithium batteries are safe, compact, and maintenance-free.
Yes – with a hybrid inverter your battery provides backup power automatically.