External Wall Insulation & Rendering Specialists

  • EWI Services are specialist installers of External Wall Insulation and Render Systems

Installing External Wall Insulation (EWI) on your solid wall property will save you up to £500 per year on your energy bills as well as improving your home’s look and value too.

EWI Services Ltd. are based in Northampton but cover the whole of the Midlands, East Anglia and the South East (including London). We offer:

  • A complete design, specification and installation service
  • High-quality EWI systems in thousands of colours
  • Traditional external rendering and cladding
  • 25 year GDGC insurance backed guarantee
  • Artist’s impressions available on request
  • Free no-obligation written quotations

All our installers are fully qualified full-time employees and all our work is quality controlled by experienced Project Managers.

Our Accreditations and Partners


EWI Services are approved applicators of Bostik Climatherm, Sto and Licata + Greutol EWI and render systems. We are also PAS 2030 accredited Green Deal Approved installers for External Wall Insulation (Reg. No. STRI10995).

Recent EWI & Rendering Projects