10kW Solar Panel System UK | Output, Suitability & Install

MCS-certified 10kW solar panel system 10kW 25 panels for a large detached home, generating 8,500 to 9,500 kWh a year.

A large-home system for detached properties, heat pumps and multi-EV families using 7,000 to 10,000 kWh a year. A 10 to 12 kWh battery is the typical pairing for heavy evening and overnight use.

25Solar panels

8,500-9,500 kWhGenerated a year

60-70 m²Roof space

70-90%Self-use w/ battery

Illustrative only. Your free assessment confirms the exact figures for your home.

The right fit

Why a 10kW system could be the right fit

A 10kW solar system is built for large detached homes, properties with heat pumps and multi-EV families using 7,000 to 10,000 kWh of electricity a year. It uses 25 panels across 60 to 70 square metres of roof, a footprint most large detached properties can take, often spread across the main house and garage roofs.

A 10 to 12 kWh battery is the typical pairing and is critical for heat-pump and EV-heavy households where evening and overnight consumption is significant. Three-phase supply is assessed where needed, and all paperwork and grid approvals are handled by Solar4Good on your behalf.

The datasheet

10kW spec sheet

Indicative figures for a 10kW system on a typical large UK home. Your exact output depends on your roof, orientation, shading and usage, confirmed in a site visit.

System size10 kW DC

Solar panels25 panels

Roof space60-70 m²

Suited toLarge detached

Output · daily~23-27 kWh

Battery pairing10-12 kWh

Output · monthly~710-830 kWh

Output · yearly8,500-9,500 kWh

Self-consumption70-90% w/ battery

Panel warranty25 yrs

Indicative, not a quote · final figures after a free roof assessment.

What is included

25 tier-one panels

High-efficiency 450W panels, sized to deliver 10 kW DC.

Inverter (hybrid option)

A quality inverter, hybrid-ready for a 10 to 12 kWh battery.

Mounting, wiring & connection

All roof mounting, cabling and grid connection, done neatly and safely.

Monitoring app & walkthrough

Live generation on your phone, set up and explained before we leave.

Full MCS install + SEG setup

Fitted under our own MCS registration, with export-tariff (SEG) setup handled.

25-year panel warranty

Plus a team you can still call after switch-on. Every job certified under our own MCS registration.

Storage

10kW with or without a battery

Panels only

Good if you use power in the day

The panels power the home in daylight and export the surplus for a payment under SEG. Ideal if someone is home in the day, or you run appliances, an EV or a heat pump while the sun is up.

Panels + battery

The most common upgrade

A 10 to 12 kWh battery stores daytime solar for the evening, lifting self-consumption to 70 to 90%. It is critical for heat-pump and EV-heavy homes with significant evening and overnight use.

The right size?

Is 10kW enough for your home?

For large detached homes using 7,000 to 10,000 kWh a year, including heat-pump and multi-EV households, a 10kW system covers a large share of annual electricity, and with a 10 to 12 kWh battery, self-consumption typically reaches 70 to 90%.

If your usage is lower, a 6kW system may be a better fit; if you run a very large home, a pool or multiple outbuildings, look at 15kW. We size to your actual usage, not a template, and assess three-phase supply where needed.

How it works

Go solar in three easy steps

STEP 01

Site visit & design

A local engineer visits, assesses your roof for pitch, orientation and shading, and designs a 10kW system around your actual property. No cost, no obligation.

STEP 02

Fixed-price quote

A clear, itemised proposal with no hidden costs. We handle all paperwork and grid approvals as standard.

STEP 03

Installation day

A named installer and team complete the full install in one to two days. Tested, MCS-certified and your monitoring set up before we leave.

Why Solar4Good

Engineer-led, in-house, UK-wide

You work with a UK-wide team based in Harrow, not a remote sales centre. The person who assesses your roof is directly involved in designing the system, and once it is in we handle MCS certification, SEG export-tariff setup and your monitoring app, so you are never left navigating the process alone.

3,000+UK installs

50,000+Panels installed

4.9★from 1,000+ reviews

MCSCertified, in-house

Rated 4.9/5 from 1,000+ verified reviews on Trustpilot, TrustATrader and Google

“George the sales chap was straightforward and honest, and the whole installation team were awesome, courteous and professional throughout.”

Jamie Wilson · Verified Trustpilot review

“From start to finish the whole job has been seamless. The install guys were polite, knowledgeable and efficient.”

Timothy Clarke · Verified Trustpilot review

“I wholeheartedly recommend this company for solar and battery storage installation.”

Soham Acharya · Verified Trustpilot review

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Good to know

The questions homeowners actually ask about a 10kW solar system.

Is 10kW enough for a large home with a heat pump?

For large detached homes using 7,000 to 10,000 kWh a year, including heat-pump and multi-EV households, a 10kW system covers a large share of annual electricity. With a 10 to 12 kWh battery, self-consumption typically reaches 70 to 90%.

How many panels are needed for 10kW?

25 panels using modern high-efficiency modules, sized to deliver 10 kW DC. They typically fit across a large pitched roof, or split across the main house and garage roofs.

How much roof space does a 10kW system need?

60 to 70 square metres of unshaded roof. On properties with multiple aspects the array can be split across main and garage roofs to maximise output.

Should I add a battery to a 10kW system?

Yes. At this size a 10 to 12 kWh battery is the typical pairing and is critical for heat-pump and EV-heavy households where evening and overnight consumption is significant.

Do I need a three-phase supply for 10kW?

Not always, but three-phase supply is assessed where needed at this size. Our engineers confirm your supply arrangement during the site visit and handle any grid approvals.

Who installs it, and do you handle the paperwork?

Most installations are carried out under our own MCS registration. Further afield we use installers working under our MCS registration, and the certificate and workmanship warranty remain ours. We handle all paperwork, grid approvals, MCS certification and SEG export-tariff setup on your behalf.