Ewi Specialist Ltd

External wall insulation and rendering services.Loft insulation. We are London based company run by Sebastian & Sebastian. Each and everyone in our experienced team has over 10 years of experience in external wall insulation and rendering services. For us it's all about quality and about lasting relationships built on trust. We pride ourselves on our high quality of workmanship and this is what we offer to our clients.


  1. Insulation
  2. Plastering

About Ewi Specialist Ltd

External/Solid wall insulation
Rendering services
Loft insulation
Internal wall insulation


Qualified and approved installer of External wall insulation system of Ewipro system.
Recommended by K Rend


Public Liability Insurance

Limit of indemnity: £1,000,000.00
Valid until: 20th Feb 2022