Panels for a 3-Bed House

How many panels for a 3-bed house?

How many solar panels for a 3-bed house: ANSWER: 8-10 panels (3.2-4kW). CONSUMPTION: average 3-bed uses 2,900-3,500 kWh/yr. GENERATION: 8 panels (3.2kW) = 2,900-3,350 kWh/yr. 10 panels (4kW) = 3,600-4,200 kWh/yr. ROOF SPACE: 14-18m² needed. Most 3-bed houses have 20-30m² usable roof — plenty of room. COST: £5,000-£7,000 at 0% VAT. SAVINGS: £480-£850/yr without battery. £700-£1,100/yr with battery. RECOMMENDATION: 10 panels (4kW) — the extra 2 panels cost £500-£700 more but generate 25% more electricity over 25 years. Always go as big as your roof allows.