3 miles from our base

Solar Panel Installation in St Austell

MCS certified solar panel installers just 3 miles from St Austell. 0% VAT on residential solar.

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Gas Safe Registered

MCS Certified

5.0/5 (14 reviews)

200+ Installations

0% VAT on Residential Solar Panels

Save 20% on your solar installation. No VAT on domestic solar PV until 2027.

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Solar Panel Installation for St Austell Homes

St Austell's Solar Advantage

St Austell sits in the UK's highest solar irradiance zone, receiving approximately 1,298 kWh/m² per year — 19% above the UK average. A 4kWp system here typically generates 3,500–3,800 kWh annually, with payback of around 8–10 years when combined with battery storage. Cornwall ranks first nationally for domestic solar penetration, and St Austell's diverse housing stock makes it one of the county's most productive solar markets.

Best Areas for Solar in St Austell

Poltair, Mount Charles & Carclaze: Elevated ground with minimal overshadowing. Excellent year-round generation.
Bethel & outer estates: 1930s and 1950s bungalows with generous south-facing roof pitches — ideal for 10–16 panel arrays.
Carlyon Bay & Charlestown: South-facing aspects overlooking the sea, among the best solar sites in Cornwall. Note: Charlestown conservation area rules apply to front elevations.
Higher Trewhiddle & Retallick Meadows: Modern new-builds often designed with solar-ready south-facing roof orientations.

Local Solar Generation Evidence

The proven solar resource around St Austell is evidenced by three major solar farm developments within 5 miles: the operational 14.7MW Branden Solar Farm, the approved 15MW Menear Farm (February 2025), and the proposed 32MW Trerice Farm (Statkraft). If commercial operators choose this location for large-scale generation, it's an excellent signal for domestic installations.

Solar + Battery: The St Austell Sweet Spot

For the 45% of St Austell homes that are off the mains gas grid and heating with oil or LPG, combining solar panels with a heat pump creates an exceptionally strong financial case. Solar covers summer electricity bills; the heat pump replaces the oil boiler; battery storage shifts solar generation into evenings. See our dedicated St Austell solar guide and solar + heat pump combined guide for the full numbers.

Areas covered: Serving St Austell town centre, Mount Charles, Bethel, Carclaze, Trewhiddle, Carlyon Bay, Charlestown, Duporth, Porthpean, and surrounding villages • Postcodes: PL25, PL26

22,500

Population

1298

kWh/m²/year solar

45%

Off gas grid

3 miles

From our base

Key local industries

China clay & mineralsRetail & servicesTourism (Eden Project)Construction & property

See all grants and incentives Solar panel cost guide

Solar panels in nearby areas

Heat pumps St Austell Solar panels Charlestown Solar panels Par & St Blazey Solar panels Lostwithiel

What We Offer

Our Services in St Austell

Solar Panels

MCS certified solar PV installation for homes and businesses. Generate your own electricity, cut bills by up to 70%, and...

Battery Storage

Store excess solar energy and use it when you need it most. We install Foxstar, Tesla Powerwall, and SIG Energy battery ...

Boilers

Gas Safe registered boiler installation, replacement, and servicing. We fit Worcester Bosch, Vaillant, and Viessmann boi...

Underfloor Heating

Wet underfloor heating systems for new builds, extensions, and renovations. Provides warm, even heat throughout your hom...

EV Chargers

Home and commercial EV charger installation. We fit all major brands including Zappi, Ohme, and Easee with smart chargin...

Hot Water

Supply and installation of hot water cylinders including Mixergy smart cylinders and Megaflo unvented systems. Solar div...

Looking for other services in St Austell? We also install:

Battery storage in St Austell EV charger in St Austell Boiler installation in St Austell

Our Process

How It Works

Step 1

Free Survey

We visit your St Austell property to assess your needs, measure heat loss, and discuss the best options.

Step 2

Design & Quote

We design a bespoke system, identify all eligible grants including the £7,500 BUS scheme, and provide a transparent fixed-price quote.

Step 3

Installation

Our MCS certified engineers install your system cleanly and efficiently, typically within 2–4 days, with minimal disruption to your home.

Step 4

Aftercare

Full system handover, MCS certification, warranty registration, BUS grant application completion, and ongoing support when you need it.

Book Your Free Survey No obligation · Free survey · MCS certified

Other Areas We Serve Near St Austell

St Austell Charlestown Par & St Blazey Lostwithiel

Customer Reviews

What Our Customers Say

Google

"CCS installed our air source heat pump and the whole process was brilliant from start to finish. They handled the BUS grant application, and our heating bills have dropped significantly. The house is warmer than it ever was with our old oil boiler."

James & Sarah T.

St Austell

Air Source

Google

"Had solar panels installed by CCS and could not be happier. Professional team, tidy work, and they explained everything clearly. Already generating more electricity than we expected, and the Smart Export Guarantee payments are a nice bonus."

David M.

Bodmin

Solar Panels

Google

"CCS installed 12 panels on our roof and the difference has been incredible. Our electricity bill has dropped by about two-thirds and we are earning from the Smart Export Guarantee too. Highly recommend for anyone on the coast."

Sophie & Tom K.

Mevagissey

Solar Panels

Read all reviews

Our Work

Recent Projects Near St Austell

Case studies from our team working across mid-Cornwall.

£7,500 Boiler Upgrade Scheme

10 kW Daikin Heat Pump in a Victorian Terrace, St Austell

St Austell • 4-bedroom Victorian stone terrace

Underfloor Heating Retrofit in Kitchen Extension, St Austell

St Austell • 3-bedroom semi-detached with new

View all case studies

Common Questions

Frequently Asked Questions About Solar Panels in St Austell

How much do solar panels cost in the UK?

A typical 4kW residential solar panel system costs £6,000–£8,000 in Cornwall including installation and 0% VAT (saving you 20% on the total cost). A 6kW system costs £8,500–£12,000. Cornwall generates 3,800–4,200 kWh/year from a 4kW system — 19% above the UK average — giving a typical payback of around 8.6 years solar-only, or 7.2 years with battery storage. Annual savings are typically £700–£1,000.

Do solar panels work on cloudy days in the UK?

Yes, solar panels generate electricity from daylight, not direct sunshine. They produce less on overcast days — typically 10–25% of peak output — but they still work. The UK gets enough sunlight for solar to be a sound investment, with average systems generating 3,500–4,500 kWh per year depending on location and roof orientation.

How many solar panels do I need?

The number of panels depends on your electricity usage and available roof space. A typical UK household uses 3,500–4,500 kWh per year, which a 10–12 panel system (4–5kW) can offset. If you're adding an EV charger or battery, you'll want a larger system. We assess your usage and roof during the free survey to recommend the right size.

What is the Smart Export Guarantee?

The Smart Export Guarantee (SEG) pays you for excess solar electricity you export to the grid. Best current rates (April 2026): Good Energy at 25p fixed, Octopus Intelligent Flux averaging ~25p (32p peak for battery owners), EDF Empower Export at 18p, and British Gas at 15.1p. We register you for the SEG as part of your installation. With a battery, you can store daytime solar generation and export strategically when rates are highest.

Will solar panels damage my roof?

No. Solar panels are mounted on rails attached to your roof battens with hooks that slide under existing tiles. No tiles are removed or drilled through. The mounting system is weatherproof and the panels actually protect the tiles beneath from rain and UV damage. We inspect your roof structure during the survey to confirm it can take the additional weight (around 20kg per panel).

See all FAQs