Sample survey
See how it works for one of London's Blue Plaque properties
221b Baker Street, London, NW1 6XE*
* - London address of the fictional detective Sherlock Holmes, created by author Sir Arthur Conan DoyleBuilding type
Mid terrace house
No. of bedrooms
3
Viable roofspace
863 m2
Roof orientation: West
The highest potential in this roof is between South and West, this roof will generate it's maximum power between midday and the afternoon
Very good potential
the estimated maximum annual generation for this property is 92,031 units of electricity (kWh), that places the property in the top quarter for all domestic homes in London
Over 12 months
How much would this property generate over a year?
Total: 92,031 units of electricty (kWh)
That's enough electricity for
3173%
of a typical 3 bed home
25.8 tonnes carbon saved, equivalent to any of the following
- 7 return flights from London to Sydney
- a 33499 mile car journey
- the carbon captured by 47195 trees
Costs & savings
How much would a full installation cost for this property & how long would it take before this system paid for itself?
Tailor your quote
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Your quote
Installation cost
£98,529
Based on
an installation covering 100% of the viable roof space
Annual savings
£617
Based on
an average electricity bill for a 3 bed home
Payback period
160 years
Based on
Savings from electric bill for 3 bed home. Without earnings from export to grid or grant to fund installation costs
Today
How much electricity would this property have generated today?
The roof would have generated
276100
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