Solar Installers in East Sussex

East Sussex solar specialists — Brighton, Eastbourne, Hastings, Lewes.

Why now

Why solar makes sense in East Sussex

East Sussex market notes

East Sussex has a high concentration of EV-driving households who use Octopus and Ovo tariffs. Combined solar + battery + EV charger packages are now the most-requested specification.

Typical property mix

Compact Victorian and Edwardian terraces dominate Brighton, Hove and parts of Hastings — typically 2-3 kWp roof real estate per property. Wealden and Rother districts host much larger detached homes that suit 6-12 kWp systems.

Grants, VAT & export

0% VAT, Smart Export Guarantee, ECO4 (for eligible households), and active local Solar Together group-buy schemes all apply.

Solar panel costs and payback across East Sussex

The cost of solar panels in East Sussex in 2026 is driven by three things: the size of the array (kWp), whether you add battery storage, and how complex your roof access is. A typical 4 kWp system on a two-storey semi in East Sussex lands between £6,500 and £8,500 fully installed, MCS-certified and DNO-notified. Step up to a 6 kWp array with a 10 kWh battery — the fastest-growing spec across East Sussex — and most homes sit between £11,000 and £14,000. Larger 8-10 kWp systems for detached properties with an EV and a heat pump typically run £14,000-£18,000. Every quote from our vetted East Sussex installers is at 0% VAT under HMRC's Energy Saving Materials relief, which stays in place until at least March 2027.

Payback in East Sussex is amongst the fastest in the UK because the region enjoys stronger-than-average irradiance. Solar-only systems typically pay back in 7-9 years; solar plus battery in 8-11 years. Both numbers assume you self-consume 35-50% of what you generate (higher with a battery) and export the balance under the Smart Export Guarantee. Over a 25-year system life, most East Sussex households will see net savings of £18,000-£32,000 in today's money — closer to £45,000 once inflation on grid tariffs is factored in.

Battery storage and EV charging in East Sussex

More than three quarters of new solar installs across East Sussex in 2026 now include battery storage. The reason is simple: East Sussex homes generate the bulk of their solar during working hours, when nobody is home to use it. A 5-10 kWh battery captures that surplus and discharges it into the evening peak, lifting self-consumption from around 35% to 75-85%. Pair it with a time-of-use import tariff like Octopus Cosy or Intelligent Octopus Go and the battery also charges overnight at 7-9p/kWh, ready to power the morning peak. Popular batteries fitted across East Sussex include GivEnergy, Fox ESS, Tesla Powerwall 3 and Puredrive — every one carries a 10-year warranty and is IP65-rated for garage or utility-room installation.

A solar-aware EV charger completes the picture. Units like the Myenergi Zappi, Ohme ePod and Hypervolt Home 3 Pro monitor your solar export in real time and divert surplus power into the car — turning miles that would cost 8-10p/kWh on a smart tariff into free solar miles between April and September. Every EV charger installed by our East Sussex network qualifies for the OZEV EV chargepoint grant where you're eligible (flats and rental properties), and all are notified to your DNO on your behalf.

Roof types, planning and conservation areas in East Sussex

East Sussex covers a huge spread of housing stock — from Victorian and Edwardian terraces to 1930s semis, post-war estates, and brand-new developments with integrated in-roof panel options. Most East Sussex roofs sit between a 30° and 45° pitch, which is close to optimum for a UK south-facing array. East-west splits work well too: they flatten your daily generation curve, which pairs neatly with a battery and EV charger. Concrete tile, clay tile and natural slate all take standard MCS-compliant hook-and-rail mounting; flat roofs (typical of dormers and modern extensions in East Sussex) use ballasted A-frames that require no roof penetration.

Domestic solar in East Sussex is generally permitted development, meaning you do not need planning permission — but there are exceptions. Conservation areas, listed buildings, and flats always require consent, and in an Area of Outstanding Natural Beauty the panels must not project more than 200mm from the roof surface. Your installer will check your specific address against the local planning portal before quoting, and any required application (usually decided within 8 weeks) is priced into the quote at no extra cost to you.

DNOs, G98/G99 approval and export tariffs in East Sussex

Every solar install in East Sussex needs to be registered with the local Distribution Network Operator (DNO). Most of East Sussex sits under UK Power Networks or SSEN depending on the postcode, with a small number of fringe areas under National Grid Electricity Distribution. Systems up to 3.68 kW per phase are notified after commissioning under G98; anything larger — which includes almost every 4 kWp+ single-phase install — needs G99 pre-approval, typically decided in 4-8 weeks. Our vetted East Sussex installers handle every part of that submission, and won't quote you a system size the DNO won't approve.

Once commissioned, your system qualifies for the Smart Export Guarantee (SEG). You do not have to stay with your current import supplier to export — you can shop the SEG market independently. In 2026 the most popular tariffs amongst our East Sussex customers are Octopus Outgoing Fixed (15p/kWh flat), Octopus Flux (variable, peak export ~26p/kWh, designed for solar + battery households) and E.ON Next Export Exclusive (16.5p/kWh). See our Octopus Flux vs SEG tariff comparison for a full breakdown.

The install process and aftercare on every East Sussex job

From accepted quote to commissioned system, a standard East Sussex install runs 4-8 weeks. Your installer books scaffolding, submits the DNO paperwork, and files a Section 80 notification with your council (a free notification, not a planning application). Scaffolding typically goes up the day before install and stays for 5-7 working days. The on-roof work itself takes 1-2 days; battery, inverter commissioning and electrical certification (NICEIC or NAPIT) happen on day two. You'll receive your MCS certificate, Building Control notification (via the Competent Person scheme), electrical installation certificate and full product warranty pack within 5 working days of commissioning.

Every system installed via our East Sussex network is covered by a 25-year panel performance warranty (typically guaranteeing at least 84-87% output at year 25), a 10-12 year inverter warranty, a 10-year battery warranty, and a 12-year workmanship warranty backed by IWA insurance through RECC — so the workmanship cover survives even in the extremely unlikely event that your matched installer ceased trading. Annual remote monitoring and maintenance is included as standard, and any on-roof repairs during the workmanship period are handled at no cost to you.

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