Solar Panel Installation
MCS-certified domestic install, 3-6kW typical. 0% VAT through March 2027. Tier 1 panels, hybrid inverter, Smart Export Guarantee setup.
From £4,500Thinking about solar PV, a battery, or having an existing system cleaned or repaired in St Ives? We'll match you with a vetted local MCS-certified, RECC-registered installer covering TR26 and the surrounding villages. 0% VAT on domestic solar and batteries until March 2027, honest payback figures, no high-pressure sales. Free, no-obligation quotes.
St Ives (TR26) is one of Cornwall's busiest holiday destinations — and the narrow lanes, conservation-area restrictions across the old town, and dense slate-and-granite housing stock make it one of the trickier postcodes for solar PV. Many central St Ives streets are conservation area, and panels visible from public highway often need careful placement (rear roof slopes, low-profile mounting). Outside the centre, Carbis Bay and Lelant offer more straightforward south-facing pitched roofs. The rural belt — Halsetown, Towednack, Zennor and Nancledra — is granite-cottage and smallholding territory, where structural surveys come into their own.
Coastal exposure here is severe: bird-proofing, marine-grade fixings, and full IP-rated isolators are baseline kit, not extras. Without bird mesh, gulls will nest under panels within a single season. Holiday-let owners in TR26 are some of Cornwall's biggest solar adopters because summer-peak hot water and refrigeration overlap with peak generation. Install times: 1-3 days domestic, longer if you need a scaffolding-access plan around narrow lanes (vehicles sometimes can't get close — we match you with installers who know the access logistics). DNO lead times for G99 applications: 4-8 weeks. Honest payback: 8-12 years domestic, faster on holiday lets.
Getting a Cornwall MCS-certified solar installer to your St Ives address shouldn't be a fortnight of cold calls. Here's how it works.
Fill in the quick quote form. Tell us your St Ives postcode, roof type, the job (new install, battery retrofit, clean, repair, commercial, farm or holiday let) and rough timing.
We pair you with a vetted Cornwall MCS-certified, RECC-registered solar installer covering St Ives. Site survey arranged direct — usually within 1-2 weeks, faster for repairs.
Survey, written quote, G98 or G99 DNO application, scaffolding, install, commissioning, MCS certification and Smart Export Guarantee paperwork — all handled by your matched installer.
New solar install? Adding a battery? Need an existing system cleaned, repaired or expanded? We'll match you with a vetted Cornwall MCS-certified installer covering St Ives and the surrounding area.
MCS-certified domestic install, 3-6kW typical. 0% VAT through March 2027. Tier 1 panels, hybrid inverter, Smart Export Guarantee setup.
From £4,500Tesla Powerwall 3 (13.5kWh), GivEnergy 5.2-13kWh, Enphase IQ Battery. Hybrid or AC-coupled. Retrofit to existing PV or new-build.
From £5,500Coastal grime, bird droppings, lichen reduce yield by 5-15%. Pure-water reach systems, annual cleaning recommended for coastal Cornwall.
From £75/visitInverter replacement (typical 10-12 yr lifespan), microinverter swaps, DC isolator failures, fault diagnosis with written report.
From £150 diagnosticHotels, holiday let portfolios, offices, retail, warehouses. 5-8 year ROI typical. G99 grid connection and AIA tax relief handled.
Bespoke quoteAgricultural barn roof and ground-mount installs. AIA-eligible plant and machinery. Diversification income for Cornwall farms.
Bespoke quoteOffset guest electricity, EV-charger integration, SEG export income on summer-peak generation. Strong fit for Cornwall self-catering.
From £4,500Indicative installed prices for typical 2026 Cornwall jobs. Your matched MCS-certified installer gives a firm written quote after survey.
Entry-level MCS-certified PV install — 7-9 Tier 1 panels, string inverter, SEG setup. 0% VAT to March 2027.
Most common 2026 spec — 10-12 panels, hybrid inverter, GivEnergy or equivalent battery. 0% VAT on full package.
13.5kWh Powerwall 3 fitted to existing PV — AC-coupled or hybrid inverter swap. App control, full home backup option.
Commercial roofs, holiday parks, farms. G99 DNO application included. AIA tax relief and 5-8 year ROI typical.
Not in St Ives? We cover the whole of Cornwall — choose your nearest town.
The most common questions about going solar in St Ives and the surrounding area.
Typical installed prices in St Ives (with 0% VAT on domestic until March 2027): 3kW domestic from £4,500-£6,500. 4kW + 5kWh battery from £9,500-£13,500. 6kW + 10kWh battery from £12,500-£17,500. Tesla Powerwall 3 retrofit from £8,500 fitted. Commercial 30kW+ systems are bespoke with G99 DNO application included. Always get 2-3 written quotes — prices vary between installers.
Yes, with honest expectations. Cornwall yields ~1,000-1,080 kWh per kWp per year — slightly above the UK average thanks to southerly latitude and Atlantic openness. Honest payback in St Ives: 8-12 years for domestic without battery, 7-10 years with battery if you maximise self-consumption, 5-8 years for commercial. Anyone quoting 4-5 year domestic paybacks is misleading you.
The main UK incentives in 2026: 0% VAT on domestic solar and battery installs (in force until 31 March 2027 under HMRC VAT Notice 708/6); Smart Export Guarantee, which pays you for electricity exported to the grid; and for businesses, Annual Investment Allowance — 100% first-year capital allowance on plant and machinery (subject to the AIA cap). Farms can use AIA-eligible solar as a diversification income.
The Smart Export Guarantee (SEG) launched January 2020 — energy suppliers must offer export tariffs to MCS-certified solar generators. Standard fixed rates run 4-15p/kWh; Octopus Flux and similar time-of-use tariffs can pay 25-30p/kWh at peak with a battery. To qualify, you must use an MCS-certified installer and be covered by RECC or HIES.
On-site work is typically 1-3 days for a 4-6kW domestic install in St Ives: scaffolding day 1, panels and inverter day 2, commissioning day 3. Pre-install, allow 4-8 weeks for the G99 DNO application if the system is above 3.68kW per phase (G98 covers up to 3.68kW single-phase). National Grid Electricity Distribution is the Cornwall DNO.
Usually yes. Slate roofs are common in Cornwall and a competent MCS installer fits a slate-specific mounting kit. Granite, cob, thatch and historic stone structures often need bespoke survey — sometimes ground-mount or barn-mount is cleaner. Listed buildings need listed-building consent before any roof work; conservation-area properties with front-elevation visibility (parts of Truro, Falmouth, Penzance, St Ives, Mousehole) may need planning.
Usually no — domestic roof-mounted solar in St Ives is normally permitted development in England. Exceptions: listed buildings (always need listed-building consent), AONB properties in some cases, and conservation-area sites with front-elevation visibility. Ground-mount and farm-mount installs above set thresholds need full planning. Your MCS installer will confirm before commissioning.
Only MCS-certified installers can issue the certificates needed to register for the Smart Export Guarantee, and MCS is also required for the 0% VAT zero-rate scheme on domestic solar. All installers we match you with in St Ives are MCS-certified under the Microgeneration Certification Scheme and signed up to RECC (Renewable Energy Consumer Code) — both are required for SEG eligibility and proper consumer protection.
Honest figures for St Ives: 8-12 years for domestic without battery; 7-10 years with battery if you maximise self-consumption (EV, heat pump, immersion); 5-8 years for commercial thanks to higher daytime self-consumption. Cornwall is good but not great — payback is real, just not the 4-5 year figure some national lead-aggregators promise. Octopus Flux or Outgoing tariffs (8-15p/kWh fixed, up to 25-30p/kWh peak with battery) accelerate the maths.
We cover St Ives and the surrounding villages across TR26, including Carbis Bay, Lelant, Halsetown, Towednack, Zennor, Nancledra and Hayle. If you're not sure whether your address is in our patch, submit a postcode through the form and we'll confirm within a working day.