About the Insulation - Under Floor NVQ

The Level 2 NVQ Diploma in Under Floor Insulation is designed for construction professionals and insulation installers working on suspended floor systems in domestic or commercial settings. This qualification certifies that you have the practical skills and knowledge to install underfloor insulation in accordance with industry standards.

It supports PAS 2035 compliance and is ideal for those working on energy-efficient retrofitting under ECO4, TrustMark, and similar government-backed schemes.

This NVQ is also a valid route to apply for the Blue CSCS Skilled Worker Card.

Who Is This Qualification For?

This diploma is ideal for:

  • Installers of suspended floor insulation (e.g., mineral wool)
  • Retrofit contractors upgrading thermal performance under PAS 2035
  • Workers seeking formal recognition for on-site insulation work
  • Professionals aiming to apply for the Blue CSCS Card
  • Companies ensuring compliance for ECO4 funded projects

How to Get Your Blue CSCS Card

To apply for a Blue CSCS Skilled Worker Card, you need to:

  1. Complete this Level 2 NVQ in Under Floor Insulation
  2. Pass the CITB Health, Safety & Environment Test for Operatives (valid within the last 2 years)

Once both requirements are complete, you can apply for the Blue CSCS Card, which proves you are a qualified insulation installer capable of working on UK construction sites.

At Think Construction Skills, we help you through the entire process—from enrolment to final assessment and CSCS card support.

CSCS Blue Card

Get your Insulation - Under Floor NVQ

Level 2 NVQ - Under Floor

Title Credit Value Level
Conforming to General Health, Safety and Welfare in the Workplace 2 Level 1
Conforming to Productive Working Practices in the Workplace 3 Level 2
Insulation and Building Treatments, Building Construction, Defects and Interfaces 19 Level 3
Moving, Handling and Storing Resources in the Workplace 2 Level 2
Title Credit Value Level
Installing Insulation to Suspended Floors in the Workplace 19 Level 2
Spraying Insulation to Suspended Floors in the Workplace 20 Level 2

Insulation - Under Floor NVQ FAQs

  • Fully work-based – No exams, no time off-site
  • Remote-friendly – Submit evidence online
  • Globally recognised – NOCN-accredited qualification
  • CSCS-compliant – Leads to the Blue Skilled Worker Card
  • PAS 2035 alignment – Supports roles in government-funded retrofits

This NVQ certifies your ability to install insulation to suspended floors, meeting UK construction standards. It is a work-based qualification tailored for retrofit and insulation professionals.

It’s designed for professionals working in insulation, energy retrofit, and domestic or commercial construction environments—especially those involved with underfloor insulation systems.

  • Obtain an NVQ Level 6: Complete an NVQ Level 6 in Construction Site Management, demonstrating your skills and knowledge.
  • Get a Black CSCS Card: Achieve the NVQ Level 6 qualification to be eligible for the Black CSCS card, which is necessary for Managing onsite.
  • Meet Additional Requirements: Fulfil other requirements, such as relevant work experience and passing the CITB Health, Safety, and Environment Test.

It includes insulation materials applied to suspended floors, such as mineral wool, rigid boards, or spray foam. The optional unit covers spray application specifically.

A Level 2 NVQ in construction, including the Level 2 Diploma in Under Floor Insulation , is equivalent to five GCSEs (grades A-C / 9-4)* in the UK education system. It is a recognised industry qualification for skilled tradespeople. Read more about NVQ Level 2 qualifications on our Construction NVQ Level 2 page.

See our NVQ equivalence chart here.

NVQ Insights

Get your Level 2 NVQ in Under Floor Insulation – Get Your CSCS Card