Stellar Solar
Stellar Energy UK Limited · Company number 11207319 on Companies House (opens in a new tab)
Llanelli retrofit and decarbonisation contractor installing solar, batteries, insulation and heat pumps at scale.
Last checked 9 October 2026 · Sources
At a glance
- Areas covered
- Nationwide (across the UK)Retrofit and decarbonisation work across the UK
- Works for
- Homes and businesses
- Finance
- Says it offers financeCompare the full cost of credit with other ways to pay.
What they install and offer
Certifications and memberships
Installer certification and consumer codes
Verified means we found it on the scheme’s own list on the date shown. Company says means it is stated on the installer’s website and we haven’t checked it yet. Lists can lag behind, so “not found” or “no longer current” is not an accusation. What these mean.
About Stellar Solar
Stellar Energy UK, trading as Stellar Solar, is a retrofit and decarbonisation business based in Llanelli that works across the UK. It installs solar panels, battery storage, insulation and air source heat pumps, and is expanding into EV charging and smart energy systems.
It works with homeowners, businesses and public bodies, including grant-funded schemes, and offers finance through a credit broker.
Where they are
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Office
Head office 54 Stepney Street, Llanelli
SA15 3TG
Sources and checks
We last checked this listing on 9 October 2026, using:
EcoGlo is an independent guide and directory. Listings are free. We check what we can against public registers and scheme lists; installers’ own claims are shown as their claims. EcoGlo is not connected with this company. Update this listing · Report a problem