Government-funded energy upgrades for UK homes
We help eligible households access ECO4 funding for insulation and heating improvements — from eligibility check to installation.
About Sustek
Sustek Ltd is a UK-based energy efficiency company helping eligible households access government-funded home upgrades.
We specialise in ECO4-supported measures such as insulation and heating improvements, managing the full process from eligibility checks through to installation.
Our aim is to make energy efficiency simple, accessible, and affordable for households across the UK.
