Insulation costs in Bolton (2026)
A typical installation costs £375 to £1,250 in Bolton. Labour rates sit at or slightly below the UK average, and dense installer competition around Manchester and Liverpool keeps quotes keen.Here's what to expect by property type, and how to pay less.
Insulation costs in Bolton at a glance
| Type | From | To |
|---|---|---|
| Loft insulation (top-up) | £275 | £750 |
| Loft insulation (from scratch) | £475 | £1,250 |
| Cavity wall insulation | £375 | £1,250 |
| Solid wall, internal | £4,800 | £15,800 |
| Solid wall, external | £7,600 | £23,100 |
| Underfloor insulation (suspended) | £750 | £2,100 |
Indicative 2026 ranges adjusted for the North West, calibrated against MCS regional installation cost data and Ofgem grant-scheme averages. Always compare multiple quotes — prices vary by installer and property.
Costs by property type in Bolton
Pre-1920s terraces and period homes
Older solid-wall homes can't take cheap cavity fill; internal wall insulation runs £4,800 to £15,800 in Bolton, external systems more. ECO4 funding can cover much of this for eligible households.
Inter-war and post-war semis
Cavity-walled semis are the cheap win: £375 to £1,250 in Bolton, and often free through the Great British Insulation Scheme. Check whether the original cavity was ever filled.
Detached houses
More wall and roof area means bigger jobs, but loft insulation stays affordable at £475 to £1,250 in Bolton and pays back fastest of any upgrade.
What's different about the North West
- Labour rates sit at or slightly below the UK average, and dense installer competition around Manchester and Liverpool keeps quotes keen.
- Large stocks of Edwardian and inter-war terraces suit solar and cavity insulation; high ECO4/GBIS eligibility in parts of Greater Manchester means many homes qualify for subsidised work.
- All national grants apply: the £7,500 Boiler Upgrade Scheme, ECO4 and GBIS insulation schemes, and the £350 OZEV charger grant.
Common questions
How much does insulation cost in Bolton?
A typical installation costs £375 to £1,250 in Bolton in 2026. Labour rates sit at or slightly below the UK average, and dense installer competition around Manchester and Liverpool keeps quotes keen. The table above shows ranges by system size and property type.
Why do prices in the North West differ from the UK average?
Labour rates sit at or slightly below the UK average, and dense installer competition around Manchester and Liverpool keeps quotes keen. Large stocks of Edwardian and inter-war terraces suit solar and cavity insulation; high ECO4/GBIS eligibility in parts of Greater Manchester means many homes qualify for subsidised work.
What grants are available in the North West?
All national grants apply: the £7,500 Boiler Upgrade Scheme, ECO4 and GBIS insulation schemes, and the £350 OZEV charger grant.
How do I get an accurate price for my home?
Ranges only narrow once an installer sees your property. Compare quotes from several vetted local installers, free and with no obligation, and contact them free through Find an Eco Installer. No spam calls.
Get accurate Bolton quotes
The ranges narrow fast once installers see your property. Compare free quotes from vetted installers around Bolton, with replies typically within 24 hours.
Find installers across the North West
Compare vetted local installers town by town.
Also covering Stockport, Warrington and Chester.
Insulation costs in other regions
- London
- the South East
- the East of England
- the South West
- the West Midlands
- the East Midlands
- Yorkshire
- Scotland
- Wales
Bolton prices follow the North West rates. See the full the North West guide.