Improving comfort, efficiency, and performance across housing stock

The Insulation Lot supports public sector organisations to improve the thermal performance of homes through the supply and installation of insulation measures. It is designed primarily for the social housing sector, helping landlords reduce heat loss, lower energy costs for residents, and improve overall building efficiency.

This Lot provides a compliant and practical route to market for insulation works delivered as standalone measures or as part of wider retrofit programmes.

Why Choose Fusion21?

Fusion21 helps public sector organisations procure external improvement works simply and compliantly. Our frameworks are designed to support housing providers with practical solutions that improve estates while maintaining value, quality, and assurance.

With more than 1,000 members nationwide, Fusion21 combines housing expertise, national coverage, and a strong focus on social value, helping organisations deliver environments that communities can take pride in.

Social Value and Impact

Insulation projects delivered through this Lot can create tangible social and environmental benefits.

These may include:

• Lower energy bills and improved well-being for residents
• Local employment and training opportunities
• Reduced carbon emissions from housing stock
• Improved long-term sustainability of public assets

Fusion21 works with suppliers to ensure social value is practical, measurable, and aligned with local priorities. We support community benefits that include local employment, skills development, and positive environmental impact, so you can be sure that each purchase will contribute to positive outcomes.

Information Summary

• Lot Name: Insulation
• Parent Framework(s): Building Improvement Works
• Coverage: UK-wide
• Scope:  Supply and installation of insulation measures and associated works 
• Measures Include: Wall, loft, roof, and underfloor insulation