Solar Panels in Cardiff, Cardiff

A 4kWp system in Cardiff typically costs £6,600-£8,500 with 0% VAT included, the zero-rate VAT alone saves around £1,300-£1,700 compared to the standard 20% rate. Based on Cardiff's solar yield of 882 kWh/kWp, a 4kWp system generates approximately 3,528 kWh/year, paying for itself in 11-13 years through electricity savings of £628+/yr and Smart Export Guarantee income of around 13-15p/kWh. Adding a home battery (5-10 kWh) costs an additional £3,000-£6,500 and also benefits from 0% VAT. We recommend getting at least three quotes from MCS-certified installers to compare pricing and equipment.

Yes. Solar panels improve your EPC rating by 1-2 grades and can increase property value by up to 4% according to recent UK property market research. Buyers increasingly look for energy-efficient homes with lower running costs, particularly as electricity prices remain high at around 25p/kWh. A solar system in Cardiff generating 3,528 kWh/yr is a long-term investment in your property that also generates income through the Smart Export Guarantee. With a 25-30 year panel lifespan, future buyers inherit decades of remaining electricity savings.

Yes. A home battery (typically 5-10 kWh capacity) stores excess solar electricity generated during the day for evening and overnight use. This increases your self-consumption from around 40% to 60-80%, significantly reducing your reliance on grid electricity. Batteries currently cost £3,000-£6,500 for 5-10 kWh and also benefit from 0% VAT on residential installations. Most batteries are warranted for 10-12 years and can be retrofitted to an existing solar system. Popular options include the Tesla Powerwall 3, Sigenergy, and FoxESS units.

Yes. With a solar yield of 882 kWh/kWp and estimated savings of £628+ per year at current electricity rates of around 25p/kWh, 0% VAT saving approximately £1,300-£1,700 on installation, and export income of around 13-15p/kWh through the Smart Export Guarantee (SEG), a solar system in Cardiff pays for itself in 11-13 years. Cardiff ranks #49 of 102 UK counties for solar yield, above the national average. After payback, you benefit from 12-19 years of near-free electricity as panels last 25-30 years. Total lifetime savings typically reach £15,000-£18,000 depending on your electricity usage and self-consumption rate.

Solar PV panels generate electricity from sunlight using photovoltaic cells, while solar thermal panels heat water directly using the sun's warmth. For most UK homes, solar PV is the better investment: it is more versatile (powering all electrical appliances), benefits from 0% VAT, and you can sell excess electricity via the Smart Export Guarantee at around 13-15p/kWh. Solar thermal only heats water and does not generate electricity or qualify for SEG income. Solar PV panels also last longer (25-30 years versus 15-20 for solar thermal) and have lower maintenance requirements.

With a cost of £6,600-£8,500 (0% VAT included) and savings of £628+ per year based on Cardiff's solar yield of 882 kWh/kWp at current electricity rates of around 25p/kWh, plus Smart Export Guarantee income of around 13-15p/kWh for surplus electricity, a typical solar system in Cardiff pays for itself in 11-13 years. Cardiff ranks #49 of 102 UK counties for solar yield, above the national average. After payback, you benefit from 12-19 years of near-free electricity as panels last 25-30 years. Adding a battery extends self-consumption and can reduce payback further if you use most electricity in the evenings. Total lifetime savings typically reach £15,000-£18,000 depending on your usage pattern.

Yes. East or west-facing roofs still produce 80-85% of the output of a south-facing roof, making them well worth installing. Many installers recommend splitting panels across east and west faces to spread generation throughout the day, which can improve self-consumption and reduce the amount of electricity exported at the lower SEG rate. East-facing panels generate more in the morning, while west-facing panels peak in the afternoon, both align well with typical household usage patterns. Only north-facing roofs are generally unsuitable for solar in the UK.