Sample survey
See how it works for one of London's Blue Plaque properties
12 St James's Square, London, City of Westminster*
* - Home to Ada Lovelace, English mathematician and writer, chiefly known for her work on Charles Babbage's proposed mechanical general-purpose computerBuilding type
Mid terrace, large block of flats.
No. of households/flats
6
No. of bedrooms
3
Viable roof space
836 m2
Roof orientation: South
The highest potential in this roof is between South East and South, this roof will generate its maximum power between the morning and midday
Good potential
The estimated maximum annual generation for this property is 14,667 units of electricity (kWh), that's enough to power five 3 bed homes
Costs & savings
How much would a full installation cost for this property & how long would it take before this system paid for itself?
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Your quote
Per home installation cost
£16,603
Based on
an installation covering 100% of the viable roof space
Per home annual savings
£1,153
Based on
an average electricity bill for a 3 bed home
Per home payback period
15 years
Based on
Savings from electric bill for 3 bed home. Without earnings from export to grid or grant to fund installation costs
Yesterday
How much electricity would this property have generated yesterday?
The roof would have generated
57200
Watts
That's enough to power all these appliances for free
Washing machine
Dishwasher
Grill/hob Oven
Immersion heater
a smart phone (charge)
broadband router
tablet (charge)
extractor fan
tv set top box
dvd/cd player
laptop
LCD TV
Fridge-freezer