Solar Installers in West Sussex
West Sussex solar installers — Worthing, Crawley, Chichester and beyond.
West Sussex
Solar across West Sussex
West Sussex enjoys some of the highest solar yields in the United Kingdom. The coastal strip from Bognor Regis through Worthing to Shoreham is consistently top-quintile for annual sunshine hours, and inland market towns like Horsham, Crawley and Haywards Heath sit in a sweet spot of high property values and strong residential demand. For most West Sussex homeowners the question is no longer 'should I get solar?' but 'how big a system can my roof take?'.
Why now
Why solar makes sense in West Sussex
-
West Sussex coastal towns record around 1,750-1,900 sunshine hours per year — well above the UK average of ~1,400 hours.
-
A standard 4 kW array in West Sussex typically generates 4,000-4,400 kWh per year.
-
Annual savings of £950-£1,500 are realistic on most West Sussex homes once self-consumption and export are combined.
-
Many West Sussex new-builds (Kilnwood Vale, Buckshead Park, Berkeley Homes developments) are already pre-wired for solar.
West Sussex market notes
West Sussex has been a hotspot for community-energy schemes (RepowerBalcombe, Ouse Valley Energy) which has lifted public awareness. Battery attach rates here are well above 70% — most homeowners install solar and storage together.
Typical property mix
Coastal districts (Arun, Worthing, Adur) skew strongly toward bungalows and semi-detached homes. Inland, larger detached properties dominate the Mid-Sussex commuter belt. Conservation areas in Chichester, Arundel, Steyning and Petworth require sympathetic design.
Grants, VAT & export
0% VAT and the Smart Export Guarantee both apply. Several West Sussex councils (Adur, Worthing) have promoted Solar Together group-buying schemes — we can quote against their pricing if you'd like a direct comparison.
Solar panel costs and payback across West Sussex
The cost of solar panels in West 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 West 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 West 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 West Sussex installers is at 0% VAT under HMRC's Energy Saving Materials relief, which stays in place until at least March 2027.
Payback in West 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 West 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 West Sussex
More than three quarters of new solar installs across West Sussex in 2026 now include battery storage. The reason is simple: West 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 West 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 West 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 West Sussex
West 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 West 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 West Sussex) use ballasted A-frames that require no roof penetration.
Domestic solar in West 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 West Sussex
Every solar install in West Sussex needs to be registered with the local Distribution Network Operator (DNO). Most of West 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 West 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 West 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 West Sussex job
From accepted quote to commissioned system, a standard West 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 West 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.
Towns in this county
Solar installers across West Sussex
Services
What we install
Solar Installation
MCS-certified solar PV installs across the South East.
View service
Battery Storage
Tesla, GivEnergy, Fox ESS and more — fully fitted, fully certified.
View service
Maintenance
Annual health checks that protect your investment.
View service
Repairs
Fast diagnosis and repair, any brand.
View service
Commercial
Solar PV for businesses, warehouses, farms and public buildings.
View service
EV Chargers
Zappi, Hypervolt, Ohme, Andersen and more — OZEV-grade installs.
View service
Topic cluster
Everything West Sussex homeowners search for
Explore the topic
Everything West Sussex homeowners search for
Descriptive links across our calculators, guides, services and local installer areas — pick the next step that fits where you are.
- Solar Installation in West SussexMCS-certified solar PV installs across the South East.
- Battery Storage in West SussexTesla, GivEnergy, Fox ESS and more — fully fitted, fully certified.
- Maintenance in West SussexAnnual health checks that protect your investment.
- Repairs in West SussexFast diagnosis and repair, any brand.
- Are Solar Panels Worth It in the UK in 2026?An honest, numbers-led look at solar economics, payback periods and RO
- Solar Panel Costs UK 2026: Real Prices, No Sales SpinWhat you should actually expect to pay for a residential solar system
- Solar Battery Costs UK 2026: Brands, Capacities, PaybackWhat batteries cost in 2026, which brands lead, and how to size storag
- Solar Payback Period UK: 7-10 Years on Most HomesHow to model solar payback honestly — and what drives it up or down.
Reviews
What West Sussex homeowners say
Real feedback from homeowners we've matched with vetted MCS-accredited installers across the South East.
"The firm they matched us with knew our road — they'd done two installs nearby. Made the survey really straightforward."
"Loved that I wasn't bombarded with calls. One vetted installer, one quote, sensible advice. Booked in within the week."
"Brilliant local company they put us in touch with — turned up when they said, tidied up after themselves and the app was set up before they left."
"Quote was fair and the install went smoothly. Only reason it's not 5 stars is the DNO notification took a couple of weeks — not the installer's fault."
"I was worried about our older roof but the installer came out, checked the timbers and reassured me. No hard sell at all."
"Genuinely reliable firm. They walked me through the wiring, the inverter and the warranty without making me feel daft for asking."
Before you buy
Helpful UK solar guides
FAQs
Common West Sussex solar questions
Is West Sussex a good area for solar panels?
West Sussex is one of the top three counties in the UK for solar yield. Coastal districts especially benefit from very high sunshine hours, and inland yields are still well above the UK average.
Do I need permission for solar in a West Sussex conservation area?
Yes — planning consent is required in conservation areas and on listed buildings. Our installers handle the application; turnaround is usually 6-10 weeks.
Will solar work on a Worthing bungalow?
Bungalows are amongst the best candidates in West Sussex. The single large pitched roof typically accommodates 6-10 kWp without overshading concerns from chimneys or dormers.
How does West Sussex performance compare with Yorkshire or Scotland?
A West Sussex 4 kWp system out-generates an equivalent Yorkshire array by 12-15% and a central-belt Scottish array by 20-25% over the year.
Get your free West Sussex solar quote
Vetted local installer · MCS certified · No-obligation