Home Insulation
What insulation actually costs, before anyone calls you.
Modelled prices for 160 UK towns, the grants that apply where you live, and a free quote when you want one.
Three quotes for the same house can differ by a thousand pounds or more. Here is the honest spread.
Loft only
£454
A top-up to 270mm, or a first layer where there is none.
Median town price
£2,832
Loft and cavity wall insulation on a three bedroom semi. Most quotes land here.
Loft, cavity and floor
£9,114
All three on a larger home in a pricier region. Solid wall insulation is a separate job, about £12,000 to £15,000.
up to £478
A year off a typical home's bills
6 yrs
Payback before grants
160
Towns priced individually
Source: Home Energy Quotes Cost Index, across the 160 towns we model. Prices are estimates and include installation and VAT. Actual costs may vary.
Prices where you live
160 towns, each with its own prices, grant position and official council-area data.
Most searched
Belfast
£715–£6,036
Could save up to £478/yr
Aberdeen
£468–£7,291
Could save up to £478/yr
Swansea
£458–£7,139
Could save up to £478/yr
Doncaster
£463–£7,215
Could save up to £478/yr
Nottingham
£473–£7,367
Could save up to £478/yr
Sheffield
£463–£7,215
Could save up to £478/yr
Middlesbrough
£454–£7,063
Could save up to £478/yr
Shrewsbury
£478–£7,443
Could save up to £478/yr
All towns by region
East Midlands 9 towns
- Derby £473–£7,367
- Leicester £473–£7,367
- Nottingham £473–£7,367
- Chesterfield £473–£7,367
- Kettering £473–£7,367
- Lincoln £473–£7,367
- Loughborough £473–£7,367
- Mansfield £473–£7,367
- Northampton £473–£7,367
East of England 13 towns
- Cambridge £517–£8,051
- Colchester £517–£8,051
- Ipswich £517–£8,051
- Norwich £517–£8,051
- Peterborough £517–£8,051
- Bedford £517–£8,051
- Chelmsford £517–£8,051
- Harlow £517–£8,051
- Hemel Hempstead £517–£8,051
- Luton £517–£8,051
- Southend-on-Sea £517–£8,051
- Stevenage £517–£8,051
- Watford £517–£8,051
London 1 town
- London £585–£9,114
North East 8 towns
- Middlesbrough £454–£7,063
- Sunderland £454–£7,063
- Darlington £454–£7,063
- Gateshead £454–£7,063
- Hartlepool £454–£7,063
- Newcastle upon Tyne £454–£7,063
- South Shields £454–£7,063
- Stockton-on-Tees £454–£7,063
North West 36 towns
- Accrington £463–£7,215
- Altrincham £463–£7,215
- Ashton-under-Lyne £463–£7,215
- Birkenhead £463–£7,215
- Blackpool £463–£7,215
- Bolton £463–£7,215
- Bootle £463–£7,215
- Burnley £463–£7,215
- Bury £463–£7,215
- Chorley £463–£7,215
- Clitheroe £463–£7,215
- Fleetwood £463–£7,215
- Lancaster £463–£7,215
- Leyland £463–£7,215
- Liverpool £463–£7,215
- Lytham St Annes £463–£7,215
- Manchester £463–£7,215
- Nelson £463–£7,215
- Oldham £463–£7,215
- Ormskirk £463–£7,215
- Preston £463–£7,215
- Rawtenstall £463–£7,215
- Rochdale £463–£7,215
- Salford £463–£7,215
- Southport £463–£7,215
- St Helens £463–£7,215
- Stockport £463–£7,215
- Wallasey £463–£7,215
- Wigan £463–£7,215
- Barrow-in-Furness £463–£7,215
- Blackburn £463–£7,215
- Carlisle £463–£7,215
- Chester £463–£7,215
- Crewe £463–£7,215
- Macclesfield £463–£7,215
- Warrington £463–£7,215
Northern Ireland 9 towns
Scotland 16 towns
- Aberdeen £468–£7,291
- Dundee £468–£7,291
- Edinburgh £468–£7,291
- Glasgow £468–£7,291
- Inverness £468–£7,291
- Ayr £468–£7,291
- Cumbernauld £468–£7,291
- Dunfermline £468–£7,291
- East Kilbride £468–£7,291
- Hamilton £468–£7,291
- Kilmarnock £468–£7,291
- Kirkcaldy £468–£7,291
- Livingston £468–£7,291
- Paisley £468–£7,291
- Perth £468–£7,291
- Stirling £468–£7,291
South East 16 towns
- Brighton £546–£8,506
- Milton Keynes £546–£8,506
- Oxford £546–£8,506
- Portsmouth £546–£8,506
- Reading £546–£8,506
- Southampton £546–£8,506
- Aylesbury £546–£8,506
- Basingstoke £546–£8,506
- Crawley £546–£8,506
- Eastbourne £546–£8,506
- Guildford £546–£8,506
- Hastings £546–£8,506
- High Wycombe £546–£8,506
- Maidstone £546–£8,506
- Slough £546–£8,506
- Worthing £546–£8,506
South West 13 towns
- Bath £512–£7,975
- Bristol £512–£7,975
- Cheltenham £512–£7,975
- Exeter £512–£7,975
- Gloucester £512–£7,975
- Plymouth £512–£7,975
- Salisbury £512–£7,975
- Truro £512–£7,975
- Bournemouth £512–£7,975
- Poole £512–£7,975
- Swindon £512–£7,975
- Taunton £512–£7,975
- Weston-super-Mare £512–£7,975
Wales 10 towns
West Midlands 15 towns
- Birmingham £478–£7,443
- Coventry £478–£7,443
- Hereford £478–£7,443
- Shrewsbury £478–£7,443
- Wolverhampton £478–£7,443
- Worcester £478–£7,443
- Burton upon Trent £478–£7,443
- Kidderminster £478–£7,443
- Newcastle-under-Lyme £478–£7,443
- Nuneaton £478–£7,443
- Solihull £478–£7,443
- Stoke-on-Trent £478–£7,443
- Telford £478–£7,443
- Walsall £478–£7,443
- West Bromwich £478–£7,443
Yorkshire and The Humber 14 towns
- Leeds £463–£7,215
- Sheffield £463–£7,215
- York £463–£7,215
- Barnsley £463–£7,215
- Bradford £463–£7,215
- Doncaster £463–£7,215
- Grimsby £463–£7,215
- Halifax £463–£7,215
- Harrogate £463–£7,215
- Huddersfield £463–£7,215
- Kingston upon Hull £463–£7,215
- Rotherham £463–£7,215
- Scarborough £463–£7,215
- Wakefield £463–£7,215
Town figures are modelled estimates from the Home Energy Quotes Cost Index, adjusted by regional labour and material costs.
Questions people ask about home insulation
How much does home insulation cost in the UK?
Home Insulation in the UK costs between £454 and £9,114 installed, depending on system size and where you live. Across the 160 towns we price, the median for a mid-range system is around £2,832 including installation and VAT (modelled estimate).
Is there a grant for home insulation in the UK?
Insulation installation is zero-rated for VAT until March 2027. Funded schemes depend on where you live: the Warm Homes: Local Grant in England, Home Energy Scotland, Nest in Wales and the Affordable Warmth Scheme in Northern Ireland.
How long is the payback period in the UK?
The estimated payback period for home insulation in the UK is typically around 6 years, based on estimated savings of up to £478 a year for a typical home. Actual payback depends on your property type, current insulation level and heating system.
Do I need planning permission for home insulation?
Most home insulation installations fall under permitted development rights and do not require planning permission. However, listed buildings, conservation areas and flats may need approval from your local council. Always check with your local planning authority before installation.
How do I find a good installer in the UK?
We recommend getting at least 3 quotes from qualified installers. Check online reviews and verify that the installer holds relevant qualifications before signing any contract.
Get prices for your own home
Nine questions. Up to three approved installers who cover your postcode may contact you.
Last reviewed: . Costs are modelled estimates from the Home Energy Quotes Cost Index — see how we calculate them. Grant rates are checked against GOV.UK.