Solar Panel Maintenance in Cardiff
South Wales engineers looking after solar systems across Cardiff — from the bayside streets of Grangetown and Butetown to the leafy avenues of Cyncoed, Whitchurch and Radyr. Estuary salt air, some of the UK's wettest weather and a huge stock of feed-in-tariff-era systems now 10-plus years old all quietly steal generation. We find and fix what your installer never came back to check.
Why Cardiff solar systems need specialist care
Cardiff combines Severn Estuary salt air, high rainfall and one of Britain's biggest concentrations of 2010–2015 feed-in-tariff solar installs — systems now at exactly the age where inverters fail and output slides.
Bay and estuary salt air
Homes around Cardiff Bay, Grangetown, Butetown and Penarth sit on the Severn Estuary. Salt-laden air corrodes panel frames, roof fixings and inverter housings years faster than inland roofs, often invisibly until output drops.
Welsh rain, moss and lichen
Cardiff sees far more rain than the English south coast. Persistent damp on north-facing slate roofs in Roath, Canton and Heath drives moss and lichen growth that shades cells and cuts generation through the year.
Feed-in-tariff systems coming of age
Cardiff was a FIT-boom city: thousands of systems went up between 2010 and 2015. Most are now 10 to 15 years old — prime inverter-failure territory, and every month a fault goes unnoticed is FIT income and bill savings lost.
Solar panel servicing and maintenance across Cardiff
Every service starts with a 21-point Solar MOT so we know exactly what we are dealing with. From there, you choose the level of ongoing cover that suits your system.
Areas we cover around Cardiff
Same-week availability across CF3–CF24. No call-out fee for plan members.
Choose a care plan
Most Cardiff customers join a plan after their MOT for ongoing protection.
Monthly remote health check, photo submission service and priority booking. For newer systems performing well.
Everything in Care, plus annual engineer visit, full electrical test and written report. Most Cardiff customers choose this plan.
Everything in Care Plus, with annual panel clean, 24/7 monitoring and two emergency call-outs included.
Trusted by South Wales homeowners
Rated 10/10 on Checkatrade · 114 verified reviews
“The service I received from the team was absolutely phenomenal — polite, prompt and the work carried out very professionally.”
“The guys turned up on time, did a superb job, very polite and professional. Very happy with the work carried out.”
“Great workmanship, upfront and polite when attending to my house. Fully recommend.”
“Excellent service — friendly and professional. Very happy customer.”
Cardiff solar maintenance FAQs
Which Cardiff areas do you cover?
We cover the whole of Cardiff and the Vale of Glamorgan — the city centre, Roath, Cathays, Canton, Grangetown, Whitchurch, Llanishen, Cyncoed, Radyr, Rumney and St Mellons, plus Penarth, Barry and Cowbridge. Our South Wales engineer team books most visits within the same week.
I'm near Cardiff Bay — does the sea air affect my panels?
Yes. Properties around the Bay, Penarth and the estuary shore see accelerated salt corrosion on frames, fixings and inverter housings. Coastal systems benefit from a more frequent inspection cycle to catch corrosion before it causes faults.
My system was installed on the feed-in tariff — is it worth servicing?
More than ever. FIT payments are based on generation, so every kilowatt-hour lost to a tired inverter, dirty glass or a failed string is money off both your FIT income and your bills. A 21-point Solar MOT tells you exactly what your 10-to-15-year-old system is really producing.
How much does solar panel maintenance cost in Cardiff?
Every system starts with a fixed-price 21-point Solar MOT. Ongoing care plans run from £16.99 per month (Care), £29.99 (Care Plus) to £44.99 (Care Pro), with no call-out charges across Cardiff and the Vale.
Do you repair as well as service solar panels in Cardiff?
Yes. We handle inverter faults and replacements, panel and cabling repairs, moss cleaning, bird proofing and performance recovery across all major brands, whoever installed your system.
Solar maintenance across South Wales and the South Coast
We also service and maintain solar systems in these nearby areas
Other services in Cardiff
We do more than just maintenance across the Cardiff area
Looking after Cardiff solar systems since 2026
Book your Solar MOT and find out exactly how your system is performing. Same-week availability across CF3–CF24.