Panels for a 4-Bed House
Find the right system size for your roof
Panel count depends on your electricity use, roof space and direction — not on a rule of thumb. Get a recommended size and what it should cost.
Size My SystemFree calculator. No contact details required to see your result.
Find the right system size for your roof
Panel count depends on your electricity use, roof space and direction — not on a rule of thumb. Get a recommended size and what it should cost.
Size My SystemHow many panels for a 4-bed house?
How many solar panels for a 4-bed house: ANSWER: 10-14 panels (4-5.6kW). CONSUMPTION: 3,500-4,500 kWh/yr (larger home, more occupants). GENERATION: 10 panels (4kW) = 3,600-4,200 kWh/yr. 14 panels (5.6kW) = 5,040-5,880 kWh/yr. ROOF SPACE: 18-25m². Most 4-bed houses have 30-50m² — ample room. COST: £6,000-£8,500. SAVINGS: £580-£1,000/yr without battery. £850-£1,300/yr with battery. RECOMMENDATION: 12-14 panels (4.8-5.6kW). 4-bed houses have higher consumption and often plan for EV or heat pump — a larger system future-proofs perfectly.
Frequently Asked Questions
Related: Home Heating Systems
Solar panels are most powerful when combined with an efficient heating system. Heat pumps use solar-generated electricity to heat your home at 300-400% efficiency — making them the ideal partner for solar.
Learn more about how air source heat pumps work alongside solar panels.
Heat pumps use electricity at 300-400% efficiency, making them ideal partners for solar.
From our sister site Home Heat Pump Guide
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Find the right system size for your roof
Panel count depends on your electricity use, roof space and direction — not on a rule of thumb. Get a recommended size and what it should cost.
Size My SystemFree calculator. No contact details required to see your result.