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External wall insulation cost in London

Most homeowners pay £20,900 – £34,800 (mid-range, typical £26,800, including VAT), 3% above the national average.

Most homeowners pay

£20,900 – £34,800London · 150 m² · incl. VAT
Typical: £26,800
Labour £7,665Materials £19,108Work hours: 201.4

0% VAT on installing energy-saving materials (heat pumps, insulation, solar) until 31 March 2027

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m²
Local wage data

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mid-range, typical

Price levels in London

TypicalLabourMaterials
Basic£24,200
£18,900 – £31,400
£7,665£16,522
Mid-range£26,800
£20,900 – £34,800
£7,665£19,108
Premium£31,300
£24,400 – £40,700
£8,116£23,223

Why prices in London are different

Labour makes up about 29% of a mid-range external wall insulation job, around 201 hours of trade work. Tradespeople in London cost about 12% more than the national average (official wage data: ONS Annual Survey of Hours and Earnings, tables 14 and 15), while materials are priced much the same across the country. That is why the total comes out 3% above the national figure.

London ranks 1 of 11 UK regions for this job, from most to least expensive.

Next to it in the price ranking

External wall insulation cost in Scotland£26,100
External wall insulation cost in South East£26,000
External wall insulation cost in East£25,800
National average£26,000

Other home projects in London

ProjectMid-range
Air conditioning cost in London£4,600
Air source heat pump cost in London£13,200
Bathroom renovation cost in London£7,350
Curved stairlift cost in London£6,550
EV charger cost in London£1,000
Fencing cost in London£2,900
Garage door cost in London£1,800
Garden decking cost in London£2,950
Gutter guards cost in London£850
Hot water cylinder cost in London£2,300
House rewire cost in London£7,300
New boiler cost in London£2,900
New driveway cost in London£5,850
New flooring cost in London£2,750
New kitchen cost in London£8,150
New roof cost in London£17,600
Painting and decorating cost in London£3,300
Rendering cost in London£12,200
Replacement windows cost in London£3,700
Solar panels cost in London£12,700
Stairlift cost in London£3,000
Underpinning cost in London£12,800
Walk-in bath cost in London£6,100
Walk-in shower cost in London£3,150

Frequently asked questions

How much does external wall insulation cost in London?

A mid-range job typically costs £26,800 including VAT, with most homeowners paying between £20,900 and £34,800. A basic job is about £24,200 and a premium one about £31,300.

Is external wall insulation more expensive in London than the national average?

London: 3% above the national average. Labour makes up about 29% of a mid-range external wall insulation job, around 201 hours of trade work. Tradespeople in London cost about 12% more than the national average (official wage data: ONS Annual Survey of Hours and Earnings, tables 14 and 15), while materials are priced much the same across the country. That is why the total comes out 3% above the national figure.

How much of the price is labour in London?

About 29% at the mid-range level, around 201 hours of work at local rates. The rest is materials, equipment and disposal, which vary much less between regions.

← External wall insulation cost: national prices and full guide