Surrey
Solar panels in Caterham, priced before anyone visits.
About 6,560 kWh a year from 12 panels in Caterham, £6,360 installed, with your system designed on a free 30-minute video call.
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- Free 30-minute video design call
- Priced before anyone visits
- Installed by our MCS-certified, fully insured teams
How much a Caterham roof makes, month by month
Caterham's best month is July, at 127.4 kWh per kWp; December manages 36.4. Over the year that comes to 1,031 kWh per kWp, 1% above our Surrey county estimate.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 38.2 |
| February | 52.3 |
| March | 88.3 |
| April | 116 |
| May | 124 |
| June | 125 |
| July | 127 |
| August | 112 |
| September | 96.8 |
| October | 67.1 |
| November | 47.1 |
| December | 36.4 |
Source: PVGIS v5.2 (European Commission JRC), SARAH3 database, 1 kWp, 14% system loss, 35 degree pitch, due south, checked September 2026.
For scale: 1,031 kWh per kWp in Caterham against 925, our GB average (the mean of our 85 county PVGIS estimates), which puts Caterham 11% above it.
How Caterham compares
Small towns rarely get published solar figures, so here are the numbers for Caterham. It is one of 47 Surrey towns we track, and it ranks 9th of 47 for solar yield, a town of 23,511 people in the House of Commons Library settlement data. PVGIS gives its roofs 1,031 kWh per kWp a year, 2.82 peak sun hours a day averaged across the seasons, and the standard 12 panel model turns that into £921 of year one benefit, £247 of it from your own generation and £674 from export at 12p.
Every figure here assumes a clear, south-facing roof at 35 degrees. Yours will differ, which is what the free design call is for; until then, the calculator below tests panels, batteries and export rates on Caterham's own yield.
Any planning application in Caterham sits with Tandridge, and its official House of Commons Library settlement class is small town.
The charger is in the installed price but left out of payback: charging savings depend on your mileage and tariff, which the design call models properly.
Your real roof and usage, worked through on a free 30-minute video call. Use the full form or leave three details below.
Price this for your roof
Three details. We call or text within one working day to book your free 30-minute design call, on video or by phone if you prefer.
Generation is modelled from PVGIS satellite data for Caterham's own coordinates (51.28435, -0.08771), using the same 26.32p/kWh import value and £1,000 per kWp installed pricing as every Clearline estimate; the methodology is on our help page.
UK Power Networks and your Caterham connection
UK Power Networks owns and runs the local electricity network in Caterham, as part of its South East England licence area.
What decides the paperwork is the inverter and battery output, not the number of panels. Up to 3.68kW per phase, a system follows G98: UK Power Networks is notified within 28 days of commissioning and nothing has to be approved first.
Larger systems go through G99 instead, applied for before installation. On timing: Ofgem's guaranteed standard for a low voltage generation connection quotation is 45 working days, with £80 paid for each working day late, and it binds UK Power Networks as it does every network operator.
Sources: NESO DNO licence areas (3 May 2024); Ofgem, Distributed Generation Standards Direction guidance, checked 27 September 2026. G98 vs G99, explained.
Beyond the panels: heating and car charging in Caterham
A heat pump in Caterham
In December, the darkest month here, 12 panels in Caterham make about 230 kWh. That is when a heat pump runs hardest, so its running cost in Caterham comes down to the tariff and the flow temperature rather than the roof.
In England, the Boiler Upgrade Scheme pays £7,500 towards an air source or ground source heat pump and £2,500 towards an air-to-air one, with £1,500 more until March 2027 for homes heated by oil or LPG with no mains gas (gov.uk, checked 28 September 2026).
Charging an EV in Caterham
Summer is where a car earns its place. In July, 12 panels in Caterham make about 810 kWh, against roughly 70 kWh a typical home uses in daylight that month on our calculator's typical-use settings, so there is surplus a smart charger can put into the car instead of exporting it.
If you rent, or own a flat, and have private off-street parking, the government chargepoint grant covers 75% of the cost, capped at £500 a socket, until 31 March 2027 (gov.uk, checked 28 September 2026). The calculator above prices a 7.4kW smart charger from £1,100 installed.
The packages, priced before anyone visits
Every system is designed around your roof on the free call before anything is fitted.
Solar panel servicing and repair in Caterham
If a system in Caterham is underperforming, start with the guides below: repair benchmarks, service scope, and the inverter question.
Solar in Caterham: your questions answered
How much energy would 12 solar panels make in Caterham?
Caterham averages 2.82 peak sun hours a day, which PVGIS turns into 1,031 kWh per kWp a year. On a 12-panel, 6.36 kWp roof that is about 6,560 kWh, 68% of it between April and September.
What does a typical solar system cost in Caterham?
Solar is priced at £1,000 per kWp installed wherever you live, so a 12-panel, 6.36 kWp system costs £6,360 in Caterham, exactly as it would anywhere else, before any battery. Location changes what the system makes, not what it costs: here that is about 6,560 kWh a year. The final figure comes from your roof on the design call.
Who is the network operator in Caterham, and do I need a G99 application?
The operator is UK Power Networks. Most home systems use the G98 route, a notification within 28 days of switch-on for up to 3.68kW per phase, so nothing waits on the network. Above that, G99 applies and has to be granted first. Ofgem's guaranteed standard for a low voltage generation connection quotation is 45 working days, with £80 paid for each working day late, and it binds UK Power Networks as it does every network operator. Your design call checks which route yours needs.
What happens to the solar I do not use in Caterham?
Around £674 a year at 12p per kWh, for the roughly 5,620 kWh a 12-panel system in Caterham exports with typical use. Rates vary by supplier and some need their own tariff; the export rates table is dated and sourced.
How does solar perform in Caterham in the winter months?
December is the weakest month in Caterham: about 230 kWh from 12 panels, against 810 kWh in July. The panels still generate on bright winter days; they just cover a smaller share of what the house uses.
How Caterham compares with its neighbours
The six closest towns we publish, run through the identical PVGIS query as Caterham.
| Town | kWh per kWp a year | vs Caterham |
|---|---|---|
| Caterham | 1,031 | this town |
| Warlingham | 1,017 | −14 kWh |
| South Merstham | 1,029 | −2 kWh |
| Oxted | 1,046 | +15 kWh |
| Redhill | 1,033 | +2 kWh |
| Croydon | 1,015 | −16 kWh |
| Banstead | 1,016 | −15 kWh |
Same PVGIS v5.2 query for every town. Small differences are within year-to-year weather; more than about 30 kWh per kWp apart is geography.
Also for Caterham: Solar panels in Caterham from OVO Solar & Battery
See a number before you speak to anyone
Answer a few questions about your roof and usage and see an instant solar and battery estimate. No email needed to see the result.
Guides worth reading before your call
Sourced, dated and written by us. The same ground we cover on your free call.
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Read the guide →NAPIT, NICEIC and competent person schemes: who tells building control about your solar
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Read the guide →Get my free quote
Takes about two minutes. We call or text within one working day to book your free 30-minute video design call at a time that suits you. We design it around your roof and your numbers, and our MCS-certified, fully insured installation teams install it.