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Cavity insulation installer

Alternative titles for this job include Cavity wall installer

Cavity insulation installers fit insulation, soundproofing materials and cladding in buildings.

Average salary (a year)

£17,000 Starter

to

£40,000 Experienced

Typical hours (a week)

42 to 44 a week

You could work

weekends

How to become

Explore the different ways to get into this role.

How to become

You can get into this job through:

  • a college course
  • an apprenticeship
  • applying directly

College

You could learn some relevant skills through a college course like:

  • Level 1 Award in Construction Crafts
  • Level 2 Diploma in Building Insulation Treatments
  • Level 2 Certificate in Construction Operations
  • Level 2 Certificate in Construction and Building Crafts

These courses will give you some of the skills and knowledge you'll need to apply for trainee jobs.

Entry requirements

You may need:

  • 2 or fewer GCSEs at grades 3 to 1 (D to G), or equivalent, for a level 1 course
  • 2 or more GCSEs at grades 9 to 3 (A* to D), or equivalent, for a level 2 course

More Information

Apprenticeship

The following apprenticeships are relevant to this role:

  • commercial thermal insulation operative intermediate apprenticeship
  • industrial thermal insulation technician advanced apprenticeship

Entry requirements

You'll usually need:

  • some GCSEs, usually including English and maths, or equivalent, for an intermediate apprenticeship
  • 5 GCSEs at grades 9 to 4 (A* to C), or equivalent, including English and maths, for an advanced apprenticeship

More Information

Direct Application

You could apply directly for jobs. Employers will usually look for GCSEs at grades 9 to 4 (A* to C) in subjects like English, maths or design and technology.

Experience in construction, lagging or cladding could be useful.

More Information

Registration

Further information

You can find out more about working in cavity insulation from Go Construct.

What it takes

Find out what skills you’ll use in this role.

What it takes

Skills and knowledge

You'll need:

  • the ability to work well with others
  • knowledge of building and construction
  • physical skills like movement, coordination and dexterity
  • the ability to operate and control equipment
  • customer service skills
  • to be thorough and pay attention to detail
  • the ability to use your initiative
  • persistence and determination
  • to be able to carry out basic tasks on a computer or hand-held device

Restrictions and Requirements

You may need a driving licence for some jobs.

What you’ll do

Discover the day to day tasks you’ll do in this role.

What you'll do

Day-to-day tasks

As an installer you would:

  • set up scaffolding or access platforms where required
  • carry out pre-installation surveys
  • mark out ventilation, wiring and pipework ducts in buildings
  • work out the volume of space to be filled and the amount of materials needed
  • drill holes into the walls of a building
  • inject insulation materials into cavity spaces or fit pre-formed cladding
  • re-fill drill holes and re-point mortar
  • check all airbricks and flues are clear
  • make sure materials and methods meet building regulations

Working environment

You could work at a client's business, at a client's home or on a construction site.

Your working environment may be at height, cramped and physically demanding.

Career path and progression

Look at progression in this role and similar opportunities.

Career path and progression

With experience, you could become a team leader, site supervisor or estimator. You could also set up your own installation business.

Current opportunities

Find apprenticeships, courses and jobs available near you.

Current opportunities

Apprenticeships In England

We can't find any apprenticeship vacancies in England for a cavity insulation installer right now.

The Find an apprenticeship service can help you with your search, send alerts when new apprenticeships become available and has advice on how to apply.

Courses In England

Construction Operations Skills Bootcamp

  • Provider: NORTH EAST MAYORAL COMBINED AUTHORITY
  • Start date: 26 January 2026
  • Location: Gateshead

Skills Bootcamp in Construction

  • Provider: HAMPSHIRE COUNTY COUNCIL
  • Start date: 03 November 2025
  • Location: TADLEY
Find courses near you

Jobs In the United Kingdom

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