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Solar Panel Repairs

Fast diagnosis and repair, any brand.

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Vetted, MCS-accredited installers. We'll match you to the right one and call you back within one working hour.

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MCS Certified InstallersRECC Consumer Code0% VAT on SolarUp to 25-Year WarrantyFinance From 0% APRRated 4.9 / 5 on Reviews

If your system has stopped generating, is reporting an error, or your bills have unexpectedly risen, we can diagnose and repair systems installed by any company — including those whose installer is no longer trading.

Common issues we fix

Failed inverters, blown DC isolators, water-ingress on connectors, MC4 corrosion, faulty optimisers (SolarEdge), Enphase microinverter failures, monitoring black-outs, tripped earth-fault protection, and pigeon-proofing for nesting birds.

Same-week response

We aim to attend non-urgent repairs within 5 working days and emergency callouts within 24-48 hours where possible.

Manufacturer warranty support

If your inverter or panels are still in warranty, we'll handle the manufacturer claim on your behalf — many warranty replacements arrive within 7-10 days.

Diagnosing 'my bill went up'

If your electricity bill has risen and you suspect the solar is at fault, we start with three quick checks: inverter status (any standing fault?), monitoring data versus expected generation, and your import/export meter readings. In roughly half the cases we attend, the solar is fine and the bill rise comes from a tariff change or a new appliance — we'll tell you that for free rather than upsell a repair.

Orphaned-system rescue

Around one in five repair calls we attend involves a system whose original installer has gone out of business. We take ownership: re-register the system on the MCS database where possible, re-bind monitoring to your account, source spares for older inverters and bring the install back to a fully serviceable state. Most orphaned-system rescues cost £400-£900 and restore years of useful life.

Roof leaks and water ingress

If a roof has started leaking near the array, the cause is almost always a flashing or rail failure, not the panels themselves. We work alongside roofers when needed, document the defect for your installer or insurer, and re-seal correctly with EPDM and proper lead/aluminium flashings — never silicone alone.

Areas covered

Counties we serve

Repairs in Kent
Repairs in Surrey
Repairs in Hampshire
Repairs in West Sussex
Repairs in East Sussex
Repairs in Berkshire
Repairs in Buckinghamshire
Repairs in Oxfordshire
Repairs in Isle of Wight
Repairs in Essex
See every town we cover

Popular towns

Repairs near you

Repairs in Maidstone
ME14
Repairs in Canterbury
CT1
Repairs in Ashford
TN23
Repairs in Tunbridge Wells
TN1
Repairs in Sevenoaks
TN13
Repairs in Dartford
DA1
Repairs in Tonbridge
TN9
Repairs in Folkestone
CT19
Repairs in Margate
CT9

Related reading

Helpful guides before you buy

Are Solar Panels Worth It in the UK in 2026?
An honest, numbers-led look at solar economics, payback periods and ROI for UK homeowners — county by county.
Solar Panel Costs UK 2026: Real Prices, No Sales Spin
What you should actually expect to pay for a residential solar system in 2026 — fully installed, including all the bits.
Solar Battery Costs UK 2026: Brands, Capacities, Payback
What batteries cost in 2026, which brands lead, and how to size storage so it actually pays back.
Solar Payback Period UK: 7-10 Years on Most Homes
How to model solar payback honestly — and what drives it up or down.

FAQs

What people ask

My solar isn't generating — what should I do?

First check whether the inverter is reporting an error code. If everything looks normal but generation has dropped, contact us — we'll arrange a diagnostic visit.

Can you repair systems from installers who've gone bust?

Yes — we frequently inherit orphaned systems and bring them back into full warranty-equivalent service.

How much does a typical repair cost?

Diagnostic visits are £149 and credited against any repair. A failed DC isolator runs £180-£320 fitted. An out-of-warranty string inverter replacement is £900-£1,800 depending on size. Battery module swaps and roof rework are quoted per job.

Do you carry stock for same-day fixes?

We carry the most common spares — MC4 connectors, DC isolators, optimisers, monitoring dongles and inverter fuses — in every van. Inverter replacements are typically ordered and fitted within 5-10 working days.

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