Buy solar online. Installed in 14 days.
No sales calls. No haggling. Pick your system, see a fixed price, and book your installation slot in minutes. 45,000+ UK homes powered.
Design your system. See your price. Buy in minutes.
No call-backs. No surveys before you pay. A fixed, binding price you can checkout with immediately.
Select property type
Roof orientation
Annual energy bill
Battery & EV options
Fixed-price solar packages. No haggling. No callbacks.
Every package is a complete Solar + Battery system — panels, hybrid inverter, battery storage, professional labour, MCS certification, DNO application and Building Regs compliance, all included. Installed by our trusted national partner, ZOA Energy Solutions.
3.0 kW Solar + Battery
Perfect for small homes with low–medium energy usage.
- 3.0 kW Solar PV system
- Hybrid inverter & battery storage
- MCS, DNO & Building Regs paperwork
- Smart app — monitor in real time
3.6 kW Solar + Battery
Designed for 2–3 bedroom homes with growing demand.
- 3.6 kW Solar PV system
- Hybrid inverter & battery storage
- MCS, DNO & Building Regs paperwork
- Smart app — monitor in real time
5.0 kW Solar + Battery
Best for medium–large homes and EV owners.
- 5.0 kW Solar PV system
- Hybrid inverter & battery storage
- Supports EV charging
- Smart app — monitor in real time
6.0 kW Solar + Battery
Maximum generation for large, high-consumption families.
- 6.0 kW Solar PV system
- Hybrid inverter & battery storage
- Ideal for heat pumps, EVs & high usage
- Smart app — monitor in real time
From order to switched-on in 14 days.
Checkout online
Pick your package, choose finance or pay in full, and reserve your install slot with a £99 deposit.
Remote roof survey
Our engineers use LiDAR and satellite imagery to confirm your design within 48 hours — no home visit needed.
1-day installation
Our MCS-certified team installs and commissions everything in a single day. You don't even need to be home.
Switched on
Watch your bills drop in real-time via the British Solar app. 25-year warranty starts day one.
18 regional hubs. One promise.
Local engineers with the security of a national leader. We're never more than 90 minutes away from your install, with 98.4% UK postcode coverage.
12,408 British homeowners can't be wrong.
"Booked online on a Tuesday, installed on a Friday. Bills dropped 68% the first month — the app makes it obvious where every kWh goes."
"Three other 'national' installers ghosted me. British Solar sent a fixed quote in 4 minutes and stuck to it. Best contractor experience I've had."
"0% finance was the difference. £134/mo replaced a £190/mo electric bill and the system is mine. No-brainer."
Every install delivered by ZOA Energy Solutions.
We've partnered with ZOA Energy Solutions — a fully MCS-accredited national installer — to handle every survey, install and commissioning across the UK. One vetted team, one warranty, one accountable point of contact from checkout to switch-on.
ZOA Energy Solutions Ltd. is British Solar's exclusive installation partner. All workmanship is covered under the joint British Solar + ZOA 25-year warranty.
Buy solar online. Pay nothing for 60 days.
Energy prices are forecast to rise 14% in 2026. Complete checkout in 3 minutes with a £99 fully-refundable deposit and freeze your fixed price. No phone call required.