One fixed price for the whole job — not the hours

Loft Insulation Fair Price

Typical trade: insulation installer. Move the sliders and answer the questions.

Describe the job or snap a photo — AI fills in the sizes

Existing insulation
Raised boarding for storage?

Fair fixed price for the whole job

£494

Fair range: £434 – £582

45 m² · 180 mm top-up

Realistic time on site

2.9 h

Crew / total hours

2 · 5.9 h

Labour (5.9 h × £40)
£234
Materials
£259

Over £728? Ask why in writing.

  • Squashing insulation under boards (kills its performance)

Insist on

  • One written fixed price for the full scope — no open-ended hours.
  • Deposit of 10–20% at most; balance after you inspect the work.
  • Any extra work agreed and priced in writing before it starts.
  • A whole loft top-up takes two people about half a day.

Estimate for an experienced, insured tradesperson. Local prices vary — adjust the hourly rate for your area.

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