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Insulation Prices United Kingdom
Prices per m² include VAT. U-values and Part L Building Regs apply. Loft insulation grants may be available under ECO4.
Insulation Prices by Service — United Kingdom
Prices per m² include VAT. U-values and Part L Building Regs apply. Loft insulation grants may be available under ECO4.
| Service | From | Average | Up to |
|---|---|---|---|
| 🏠Loft / Ceiling Batt Insulation Loft insulation batts — supply and install to 270mm depth | £5/m² | £8/m² | £12/m² |
| 🧱Wall Batt Insulation Internal wall insulation batts between studs | £8/m² | £13/m² | £18/m² |
| 🏗️Underfloor Insulation Underfloor insulation boards or batts between joists | £10/m² | £17/m² | £25/m² |
| 💨Open Cell Spray Foam Open cell spray foam — loft and roof applications | £20/m² | £27/m² | £35/m² |
| 🔒Closed Cell Spray Foam Closed cell spray foam — high performance, moisture resistant | £30/m² | £40/m² | £50/m² |
| 🌬️Blown-In Insulation Blown-in loose-fill — cellulose or mineral wool for lofts | £8/m² | £14/m² | £20/m² |
| 🪟Cavity Wall Insulation Cavity wall injection — blown mineral wool or EPS beads | £5/m² | £7/m² | £10/m² |
| ☀️Roof Sarking / Radiant Barrier Reflective sarking membrane under roof tiles or slates | £4/m² | £7/m² | £10/m² |
| 🔇Acoustic / Soundproofing Acoustic mineral wool between party walls or floors | £15/m² | £27/m² | £40/m² |
| 🗑️Old Insulation Removal Remove and dispose of old or damaged insulation | £3/m² | £5/m² | £8/m² |
| ⬆️Top-Up / Top-Off Existing Add insulation over existing loft insulation | £3/m² | £5/m² | £7/m² |
| 🏢External Wall Insulation (EWI) External wall insulation system with render — solid wall homes | £40/m² | £60/m² | £80/m² |
Insulation Prices by City
Click a city for detailed local pricing and tips
London
England · 9.0M
From £6/m²
Manchester
England · 2.8M
From £5/m²
Birmingham
England · 2.6M
Pricing available
Leeds
England · 800K
Pricing available
Liverpool
England · 900K
Pricing available
Bristol
England · 470K
From £5/m²
Sheffield
England · 580K
Pricing available
Newcastle
England · 300K
Pricing available
Nottingham
England · 330K
Pricing available
Southampton
England · 260K
Pricing available
Brighton
England · 230K
Pricing available
Cambridge
England · 145K
Pricing available
Oxford
England · 155K
Pricing available
Reading
England · 175K
Pricing available
Plymouth
England · 265K
Pricing available
Edinburgh
Scotland · 530K
From £5/m²
Glasgow
Scotland · 630K
Pricing available
Aberdeen
Scotland · 230K
Pricing available
Dundee
Scotland · 150K
Pricing available
Cardiff
Wales · 370K
Pricing available
Swansea
Wales · 245K
Pricing available
Belfast
Northern Ireland · 345K
Pricing available
Insulation in United Kingdom ranges from £3/m² for basic ceiling batts to £80/m² for external wall insulation systems. Prices per m² include VAT. U-values and Part L Building Regs apply. Loft insulation grants may be available under ECO4.
The most common types in United Kingdom are batt insulation (ceiling and walls), blown-in loose fill, spray foam (open and closed cell), cavity wall insulation, and external wall insulation systems. Each has different cost, performance, and application characteristics.
R-value requirements vary by climate zone. Prices per m² include VAT. U-values and Part L Building Regs apply. Loft insulation grants may be available under ECO4. A professional installer can recommend the right R-value for your location and building type.
The UK ECO4 scheme may fully fund loft and cavity wall insulation for eligible households. TrustMark-registered installers can advise on eligibility.
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