Home Insulation
Home Insulation — UK Costs, Grants & Installers (2026)
Quick answer: Home Insulation cost between £300 and £2500 installed in the UK (2026). Could save up to £280 per year on energy bills. The system typically pays back in around 6 years. The Warm Homes: Local Grant may fund energy improvements in your area for households with income under £36,000.
Based on a typical system size, average energy prices and a typical home — your figure will differ.
Home Insulation Costs by UK Location (2026)
Prices vary slightly by region. Select your location below for local installer quotes, grant details and a full cost breakdown.
Aberdeen
£490–£3430
Could save up to £360/yr
Accrington
£490–£3170
Could save up to £350/yr
Altrincham
£490–£3210
Could save up to £360/yr
Ashton-under-Lyne
£460–£3360
Could save up to £370/yr
Bath
£500–£3670
Could save up to £400/yr
Belfast
£470–£3480
Could save up to £370/yr
Birkenhead
£470–£3280
Could save up to £380/yr
Birmingham
£510–£3390
Could save up to £390/yr
Blackpool
£460–£3480
Could save up to £370/yr
Bolton
£480–£3410
Could save up to £370/yr
Bootle
£490–£3250
Could save up to £380/yr
Brighton
£570–£4030
Could save up to £410/yr
Bristol
£520–£3790
Could save up to £400/yr
Burnley
£470–£3180
Could save up to £360/yr
Bury
£470–£3360
Could save up to £340/yr
Cambridge
£590–£3790
Could save up to £410/yr
Cardiff
£480–£3420
Could save up to £370/yr
Cheltenham
£550–£3500
Could save up to £410/yr
Chorley
£490–£3380
Could save up to £360/yr
Colchester
£590–£4050
Could save up to £410/yr
Coventry
£500–£3420
Could save up to £400/yr
Derby
£520–£3660
Could save up to £360/yr
Derry
£480–£3270
Could save up to £350/yr
Dundee
£470–£3170
Could save up to £370/yr
Edinburgh
£460–£3290
Could save up to £370/yr
Exeter
£540–£3580
Could save up to £380/yr
Glasgow
£460–£3390
Could save up to £370/yr
Gloucester
£520–£3840
Could save up to £400/yr
Hereford
£510–£3580
Could save up to £420/yr
Inverness
£480–£3490
Could save up to £360/yr
Ipswich
£560–£4120
Could save up to £440/yr
Kingston upon Hull
£480–£3460
Could save up to £370/yr
Lancaster
£470–£3420
Could save up to £360/yr
Leeds
£490–£3240
Could save up to £380/yr
Leicester
£510–£3620
Could save up to £370/yr
Liverpool
£500–£3260
Could save up to £370/yr
London
£570–£4050
Could save up to £440/yr
Manchester
£460–£3300
Could save up to £370/yr
Middlesbrough
£510–£3260
Could save up to £380/yr
Milton Keynes
£480–£3490
Could save up to £370/yr
Newcastle upon Tyne
£490–£3370
Could save up to £360/yr
Norwich
£470–£3380
Could save up to £360/yr
Nottingham
£520–£3420
Could save up to £390/yr
Oldham
£490–£3330
Could save up to £380/yr
Oxford
£590–£3790
Could save up to £410/yr
Peterborough
£550–£3730
Could save up to £410/yr
Plymouth
£530–£3860
Could save up to £400/yr
Portsmouth
£550–£4010
Could save up to £430/yr
Preston
£500–£3230
Could save up to £360/yr
Reading
£560–£3920
Could save up to £430/yr
Rochdale
£460–£3210
Could save up to £350/yr
Salford
£490–£3470
Could save up to £380/yr
Salisbury
£520–£3790
Could save up to £380/yr
Sheffield
£500–£3490
Could save up to £360/yr
Shrewsbury
£530–£3520
Could save up to £380/yr
Southampton
£570–£4000
Could save up to £420/yr
Southport
£460–£3390
Could save up to £370/yr
St Helens
£470–£3410
Could save up to £350/yr
Stockport
£470–£3170
Could save up to £350/yr
Stoke-on-Trent
£520–£3360
Could save up to £370/yr
Sunderland
£500–£3430
Could save up to £380/yr
Swansea
£490–£3460
Could save up to £360/yr
Truro
£540–£3720
Could save up to £400/yr
Wallasey
£490–£3320
Could save up to £380/yr
Wigan
£450–£3470
Could save up to £370/yr
Wolverhampton
£520–£3340
Could save up to £380/yr
Worcester
£500–£3630
Could save up to £390/yr
York
£500–£3500
Could save up to £380/yr
Armagh
£974–£2322
Could save up to £381/yr
Aylesbury
£1091–£2601
Could save up to £381/yr
Ayr
£935–£2229
Could save up to £381/yr
Ballymena
£974–£2322
Could save up to £381/yr
Bangor
£974–£2322
Could save up to £381/yr
Barnsley
£925–£2206
Could save up to £381/yr
Barrow-in-Furness
£925–£2206
Could save up to £381/yr
Barry
£915–£2182
Could save up to £381/yr
Basingstoke
£1091–£2601
Could save up to £381/yr
Bedford
£1032–£2461
Could save up to £381/yr
Blackburn
£925–£2206
Could save up to £381/yr
Bournemouth
£1022–£2438
Could save up to £381/yr
Bradford
£925–£2206
Could save up to £381/yr
Bridgend
£915–£2182
Could save up to £381/yr
Burton upon Trent
£954–£2275
Could save up to £381/yr
Carlisle
£925–£2206
Could save up to £381/yr
Chelmsford
£1032–£2461
Could save up to £381/yr
Chester
£925–£2206
Could save up to £381/yr
Chesterfield
£944–£2252
Could save up to £381/yr
Craigavon
£974–£2322
Could save up to £381/yr
Crawley
£1091–£2601
Could save up to £381/yr
Cumbernauld
£935–£2229
Could save up to £381/yr
Cwmbran
£915–£2182
Could save up to £381/yr
Darlington
£905–£2159
Could save up to £381/yr
Doncaster
£925–£2206
Could save up to £381/yr
Dunfermline
£935–£2229
Could save up to £381/yr
East Kilbride
£935–£2229
Could save up to £381/yr
Eastbourne
£1091–£2601
Could save up to £381/yr
Gateshead
£905–£2159
Could save up to £381/yr
Grimsby
£925–£2206
Could save up to £381/yr
Guildford
£1091–£2601
Could save up to £381/yr
Halifax
£925–£2206
Could save up to £381/yr
Hamilton
£935–£2229
Could save up to £381/yr
Harlow
£1032–£2461
Could save up to £381/yr
Harrogate
£925–£2206
Could save up to £381/yr
Hartlepool
£905–£2159
Could save up to £381/yr
Hastings
£1091–£2601
Could save up to £381/yr
Hemel Hempstead
£1032–£2461
Could save up to £381/yr
High Wycombe
£1091–£2601
Could save up to £381/yr
Huddersfield
£925–£2206
Could save up to £381/yr
Kettering
£944–£2252
Could save up to £381/yr
Kidderminster
£954–£2275
Could save up to £381/yr
Kilmarnock
£935–£2229
Could save up to £381/yr
Kingston upon Hull
£925–£2206
Could save up to £381/yr
Kirkcaldy
£935–£2229
Could save up to £381/yr
Lincoln
£944–£2252
Could save up to £381/yr
Lisburn
£974–£2322
Could save up to £381/yr
Livingston
£935–£2229
Could save up to £381/yr
Llanelli
£915–£2182
Could save up to £381/yr
Loughborough
£944–£2252
Could save up to £381/yr
Luton
£1032–£2461
Could save up to £381/yr
Maidstone
£1091–£2601
Could save up to £381/yr
Mansfield
£944–£2252
Could save up to £381/yr
Merthyr Tydfil
£915–£2182
Could save up to £381/yr
Neath
£915–£2182
Could save up to £381/yr
Newcastle upon Tyne
£905–£2159
Could save up to £381/yr
Newcastle-under-Lyme
£954–£2275
Could save up to £381/yr
Newport
£915–£2182
Could save up to £381/yr
Newry
£974–£2322
Could save up to £381/yr
Newtownabbey
£974–£2322
Could save up to £381/yr
Northampton
£944–£2252
Could save up to £381/yr
Nuneaton
£954–£2275
Could save up to £381/yr
Paisley
£935–£2229
Could save up to £381/yr
Perth
£935–£2229
Could save up to £381/yr
Poole
£1022–£2438
Could save up to £381/yr
Rotherham
£925–£2206
Could save up to £381/yr
Scarborough
£925–£2206
Could save up to £381/yr
Slough
£1091–£2601
Could save up to £381/yr
Solihull
£954–£2275
Could save up to £381/yr
South Shields
£905–£2159
Could save up to £381/yr
Southend-on-Sea
£1032–£2461
Could save up to £381/yr
Stevenage
£1032–£2461
Could save up to £381/yr
Stirling
£935–£2229
Could save up to £381/yr
Stockton-on-Tees
£905–£2159
Could save up to £381/yr
Stoke-on-Trent
£954–£2275
Could save up to £381/yr
Swindon
£1022–£2438
Could save up to £381/yr
Taunton
£1022–£2438
Could save up to £381/yr
Telford
£954–£2275
Could save up to £381/yr
Wakefield
£925–£2206
Could save up to £381/yr
Walsall
£954–£2275
Could save up to £381/yr
Warrington
£925–£2206
Could save up to £381/yr
Watford
£1032–£2461
Could save up to £381/yr
West Bromwich
£954–£2275
Could save up to £381/yr
Weston-super-Mare
£1022–£2438
Could save up to £381/yr
Worthing
£1091–£2601
Could save up to £381/yr
Wrexham
£915–£2182
Could save up to £381/yr
Home Insulation Costs in the UK (2026)
| Price range | Typical cost | Could save (est.) | Payback (est.) |
|---|---|---|---|
| Low | £300 | up to £280/yr | ~6 yrs |
| Typical | £1400 | ||
| High | £2500 |
Source: Green Reach Energy research, June 2026. Prices are estimates and include installation and VAT. Actual costs may vary.
Available Grants for Home Insulation (2026)
The Warm Homes: Local Grant may fund energy improvements in your area for households with income under £36,000.
Register interest →
Frequently Asked Questions
How much does home insulation cost in the UK?
Home Insulation in the UK costs between £300 and £2500 installed. A typical mid-range system costs around £1400 including installation and VAT (estimated, based on our research).
Is there a grant for home insulation in the UK?
The Warm Homes: Local Grant may fund energy improvements in your area for households with income under £36,000.
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 potential savings of up to £280 per year. 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.