Solar PV
View profile
Ian Williams Ltd
About
Ian Williams Ltd is listed on the MCS register for solar PV, working out of Derriford, Plymouth. The company has been registered at Companies House since 1966, so it has been trading for 60 years. They cover 35 postcode districts, including PL1, PL10, PL11, PL12. This profile was compiled from public records. Book a survey to confirm what suits your roof.
Certified by MCS for
Solar PV
Taken from the MCS Certified register, certified by NICEIC (certificate NIC-200141).
Solar in this area
What a roof here actually generates.
≈1,061 kWh per kWp a year
That is the measured annual generation for PL6, roughly 10% above the UK average. A 4 kWp system in this area would generate roughly 4,244 kWh a year before shading and roof direction are taken into account.
Modelled from PVGIS irradiation data. How we measure.
Company details
- Company number
- 00879464
- Incorporated
- 17 May 1966
- Status
- Active
From the Companies House register.
Service areas
We've listed Ian Williams Ltd across 35 postcode districts around their Derriford, Plymouth base, spanning the PL areas.
Loading map…
Map showing the 17 postcode districts Ian Williams Ltd covers.
Show all 35 districts
Are you the owner? If Ian Williams Ltd only works in certain areas, claim this listing to set your real coverage.
Solarable lists installers and checks MCS certificates. We don't audit individual installations, so book a roof survey to confirm what's right for your home.
Other listed installers
Other installers covering PL6.
Every installer here is MCS-certified and checked before we list them. We don't rank or endorse, and featured listings are clearly labelled.
Free roof check · no sign-up
Is your roof right for solar?
Enter your postcode and we'll estimate your roof's direction, its solar potential, and show certified installers covering your area.