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Cavity insulation installer

Alternative titles for this job include

Cavity insulation installers fit insulation and soundproofing materials in buildings.

Average salary (a year)

£12,000 Starter


£30,000 Experienced

Typical hours (a week)

42 to 44 a week

You could work


How to become a cavity insulation installer

You can get into this job through:

  • a college course
  • an apprenticeship
  • applying directly


You could do a college course, which may help when you look for a trainee job after you finish. Courses include:

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

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


You could complete a commercial thermal insulation operative intermediate apprenticeship.

Entry requirements

You'll usually need:

  • some GCSEs, usually including English and maths, or equivalent, for an intermediate 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 English, maths or design and technology. Experience in construction, for example brickwork, could be useful.

More Information


Further information

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

What it takes

Skills and knowledge

You'll need:

  • to be thorough and pay attention to detail
  • the ability to work well with others
  • the ability to use your initiative
  • persistence and determination
  • patience and the ability to remain calm in stressful situations
  • leadership skills
  • the ability to come up with new ways of doing things
  • knowledge of building and construction
  • 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

Day-to-day tasks

Your day-to-day duties could include:

  • carrying out and writing up pre-installation surveys
  • marking out ventilation, wiring and pipework ducts in walls, and sealing openings, like air vents
  • working out the volume of space to be filled, and the amount of insulation needed
  • drilling holes into the walls of a building
  • injecting insulation materials into cavity spaces through the holes in a specific order
  • re-filling the holes and re-pointing mortar
  • checking all airbricks and flues are clear
  • making sure materials and methods used meet building regulations

Working environment

You could work at a client's home or at a client's business.

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

Career path and progression

With experience, you could become a team leader or estimator, set up your own installation business, or move into wider construction trades. 

Current opportunities

Apprenticeships In England

Apprentice Commercial Thermal Insulation Operative

  • Wage: £165.30 - £311.98 Weekly
  • Location: London

Courses In England

60115026 Diploma in Construction and Building Crafts (RQF)

  • Start date: 07 September 2021
  • Location: Newton Abbot


  • Start date: 01 September 2021
  • Location: Dunstable

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