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Rapid Build Home Extension Kits to make life easier for you.

  • SIPs
  • Garden Rooms
  • Building with SIPs
    • Modular House Extensions
    • Garden Offices
    • Garden Gyms
    • Orangeries
  • Case Studies
  • Key Information
    • About Extension Kitz
    • Build Assist
    • Building Regulations
    • Planning Applications
    • FAQs
    • Environment
    • Downloads
  • Gallery
  • Contact
extension kitz logo

Build it faster, warmer,
stronger and smarter

  • SIPs
  • Garden Rooms
  • Building with SIPs
    • Modular House Extensions
    • Garden Offices
    • Garden Gyms
    • Orangeries
  • Case Studies
  • Key Information
    • About Extension Kitz
    • Build Assist
    • Building Regulations
    • Planning Applications
    • FAQs
    • Environment
    • Downloads
  • Gallery
  • Contact
Extension Kitz

Build it faster, warmer,
stronger and smarter

conservatory conversion gallery
Before
conservatory conversion gallery
Roofing work
conservatory conversion gallery
Doors and windows
conservatory conversion gallery
Build
conservatory conversion gallery
Roofing work
conservatory conversion gallery
Side view with French Doors
conservatory conversion gallery
Front view
conservatory conversion gallery
Internal complete
conservatory conversion gallery
External complete

Head Office

Cemetery Works,
Cemetery Road,
Radcliffe,
Greater Manchester,
M26 4FT

sales@extensionkitz.co.uk

0330 166 0877

Extension Kitz

"Build it faster, stronger, warmer and smarter"

We are an established, family run, innovative manufacturer and supplier of Structurally Insulated Panels (SIPs) for single storey home extensions, annexes, pods, garden rooms, and modular educational buildings.

Quick Links

  • What is a SIP Panel?
  • What is an Extension Kit?
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Copyright © 2025 Extension Kitz

  • Call us on 0330 166 0877