Solar and battery
Family home out by day
4.5 kWp + 5 kWh battery
Installed, 0% VAT£8,500 to £12,500
Saves a year£640 to £960
Payback11 to 16 years
Prices checked October 2026
Solar and battery together in Faversham
Make power on your roof by day, store the spare, and use it after dark. That is solar and battery together, fitted in one visit.
Worked examples
What it costs for a Faversham house
Solar and battery
Bigger home, EV or heat pump
4.5 kWp + 10 kWh battery
Installed, 0% VAT£10,500 to £16,250
Saves a year£730 to £1,090
Payback12 to 18 years
Estimates, not quotes. Prices assume 0% VAT (ends 31 March 2027, then 5%). Bar length is payback against a 45 year scale: a longer bar means a longer wait, and a battery lasts about 10 to 12 years. Plug-in solar figures are Energy Saving Trust, October 2026. See the notes under the full table on the costs page.
Who it suits
- You are out through the day and use most power in the morning and evening
- You have an electric car or heat pump, or plan one
- You can use a cheap overnight tariff with a smart meter
- You want key circuits to keep running in a power cut (it usually costs extra, so ask)
How it works
- Tell us your address and your last 12 months of electricity use.
- We study your roof from photos and maps, then book a survey.
- You get a clear quote showing the size, the price and the expected saving.
- Our MCS-certified installation partner fits it, usually in one to two days for solar.
- The network operator is notified, you receive your certificates, and you can apply for export payments.
Local notes for Faversham
Why fit both together
Fitting a battery with new panels is usually cheaper than adding it later, because the scaffold, the electrician and the paperwork are shared. It also lets you lock in the 0% VAT that ends on 31 March 2027.
Faversham's rail commuters
Faversham station is served by Southeastern trains to London and across east Kent. A household that is out from early morning to evening uses little power while the panels are working, which is the pattern a battery suits. Our area pages cover your neighbourhood.
Network approval
UK Power Networks runs the local network. Larger solar and battery systems can need approval before work starts, so we begin that early.
Sizing
A bigger battery is not always better. A house using 3,000 kWh a year often needs only 5 kWh. Read the sizing guide.
Questions about this
What does solar and battery cost in Faversham?
As of October 2026, about £8,500 to £12,500 for 4.5 kWp with a 5 kWh battery, and about £10,500 to £16,250 with 10 kWh. These are estimates, not quotes.
Will it work in a power cut?
Not always. Many home batteries switch off when the grid goes down. Some can run chosen circuits with extra equipment. Ask for this in writing.
Is a battery worth adding?
Often it improves flexibility more than it saves money. Run your own numbers in the estimator first.
Can I get export payments?
Yes, from a supplier that offers the Smart Export Guarantee, usually with an MCS-certified install. Rates on supplier pages on 7 October 2026 ran from 3p to 18p per kWh, and the highest need the same supplier.
Last reviewed 7 October 2026. Estimates only, not quotes. 0% VAT applies until 31 March 2027, then 5%.
Get a free, no-pressure quote
Tell us your address and your last 12 months of electricity use. We reply with clear options and prices.