Sustainable Warmth Limited

Yes. Sustainable Warmth Limited is registered under the Microgeneration Certification Scheme (MCS) (certificate number NAP-77463). MCS certification is required for your installation to qualify for the Smart Export Guarantee (SEG) and confirms the work meets recognised UK standards for safety and quality.

Sustainable Warmth Limited serves Gwynedd and 4 other counties across the UK. You can see the full list of counties covered on this profile.

Sustainable Warmth Limited installs Solar PV, Heat Pumps. Every project should include a free survey, a detailed written quote, and installation by MCS-certified engineers.

A typical 4kW domestic solar PV system in the UK costs around £6,600 to £8,500 installed, with a payback period of roughly 11 to 13 years. Your exact price depends on system size, roof type, and whether you add battery storage. Compare quotes from installers covering Gwynedd to get accurate figures for your home.

Yes. Sustainable Warmth Limited installs air source heat pumps in Gwynedd. A typical air source heat pump installation costs around £8,000 to £14,000 before any grant. In England and Wales the Boiler Upgrade Scheme offers a £7,500 grant towards the cost, which an MCS-certified installer can apply on your behalf.