Double Glazing
What double glazing 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 windows can differ by hundreds a window. Here is the honest spread.
Standard windows
£1,800
White uPVC casements in common sizes with straightforward access.
Median town price
£5,364
Mid-range frames and A-rated glass on a three bedroom house. Most quotes land here.
Larger or special windows
£12,860
Bay windows, sash styles, coloured or woodgrain frames, and doors added in.
up to £104
A year off a typical home's bills
53 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
£1,970–£10,560
Could save up to £104/yr
Dundee
£1,850–£10,020
Could save up to £104/yr
Leicester
£2,020–£10,920
Could save up to £104/yr
Bolton
£1,900–£10,380
Could save up to £104/yr
Salisbury
£2,100–£11,400
Could save up to £104/yr
Craigavon
£1,935–£10,501
Could save up to £104/yr
Armagh
£1,935–£10,501
Could save up to £104/yr
St Helens
£1,850–£10,250
Could save up to £104/yr
All towns by region
East Midlands 9 towns
- Chesterfield £1,877–£10,186
- Derby £2,060–£10,600
- Kettering £1,877–£10,186
- Leicester £2,020–£10,920
- Lincoln £1,877–£10,186
- Loughborough £1,877–£10,186
- Mansfield £1,877–£10,186
- Northampton £1,877–£10,186
- Nottingham £2,090–£11,310
East of England 13 towns
- Bedford £2,051–£11,131
- Cambridge £2,160–£12,090
- Chelmsford £2,051–£11,131
- Colchester £2,260–£12,580
- Harlow £2,051–£11,131
- Hemel Hempstead £2,051–£11,131
- Ipswich £2,200–£11,750
- Luton £2,051–£11,131
- Norwich £1,970–£10,670
- Peterborough £2,280–£12,860
- Southend-on-Sea £2,051–£11,131
- Stevenage £2,051–£11,131
- Watford £2,051–£11,131
London 1 town
- London £2,180–£11,830
North East 8 towns
- Darlington £1,800–£9,766
- Gateshead £1,800–£9,766
- Hartlepool £1,800–£9,766
- Middlesbrough £1,950–£10,580
- Newcastle upon Tyne £1,800–£9,766
- South Shields £1,800–£9,766
- Stockton-on-Tees £1,800–£9,766
- Sunderland £1,920–£11,080
North West 36 towns
- Accrington £1,960–£10,500
- Altrincham £1,960–£10,020
- Ashton-under-Lyne £1,950–£10,300
- Barrow-in-Furness £1,838–£9,977
- Birkenhead £1,830–£10,900
- Blackburn £1,838–£9,977
- Blackpool £1,920–£10,320
- Bolton £1,900–£10,380
- Bootle £1,860–£10,910
- Burnley £1,950–£10,340
- Bury £1,930–£10,720
- Carlisle £1,838–£9,977
- Chester £1,838–£9,977
- Chorley £1,850–£10,370
- Clitheroe £1,838–£9,977
- Crewe £1,838–£9,977
- Fleetwood £1,838–£9,977
- Lancaster £1,810–£10,070
- Leyland £1,838–£9,977
- Liverpool £1,820–£10,530
- Lytham St Annes £1,838–£9,977
- Macclesfield £1,838–£9,977
- Manchester £1,960–£10,860
- Nelson £1,838–£9,977
- Oldham £1,850–£10,410
- Ormskirk £1,838–£9,977
- Preston £1,810–£10,380
- Rawtenstall £1,838–£9,977
- Rochdale £1,830–£9,990
- Salford £1,990–£10,150
- Southport £1,860–£10,040
- St Helens £1,850–£10,250
- Stockport £1,930–£10,340
- Wallasey £1,890–£10,080
- Warrington £1,838–£9,977
- Wigan £1,860–£10,540
Northern Ireland 9 towns
Scotland 16 towns
- Aberdeen £1,870–£10,950
- Ayr £1,858–£10,081
- Cumbernauld £1,858–£10,081
- Dundee £1,850–£10,020
- Dunfermline £1,858–£10,081
- East Kilbride £1,858–£10,081
- Edinburgh £1,830–£10,250
- Glasgow £1,930–£10,490
- Hamilton £1,858–£10,081
- Inverness £1,840–£9,980
- Kilmarnock £1,858–£10,081
- Kirkcaldy £1,858–£10,081
- Livingston £1,858–£10,081
- Paisley £1,858–£10,081
- Perth £1,858–£10,081
- Stirling £1,858–£10,081
South East 16 towns
- Aylesbury £2,167–£11,762
- Basingstoke £2,167–£11,762
- Brighton £2,260–£12,000
- Crawley £2,167–£11,762
- Eastbourne £2,167–£11,762
- Guildford £2,167–£11,762
- Hastings £2,167–£11,762
- High Wycombe £2,167–£11,762
- Maidstone £2,167–£11,762
- Milton Keynes £1,970–£10,840
- Oxford £2,270–£11,910
- Portsmouth £2,250–£12,180
- Reading £2,150–£12,370
- Slough £2,167–£11,762
- Southampton £2,340–£11,950
- Worthing £2,167–£11,762
South West 13 towns
- Bath £2,000–£11,130
- Bournemouth £2,032–£11,027
- Bristol £2,070–£11,160
- Cheltenham £2,010–£11,600
- Exeter £2,000–£11,820
- Gloucester £2,050–£11,240
- Plymouth £2,060–£11,600
- Poole £2,032–£11,027
- Salisbury £2,100–£11,400
- Swindon £2,032–£11,027
- Taunton £2,032–£11,027
- Truro £2,060–£11,950
- Weston-super-Mare £2,032–£11,027
Wales 10 towns
West Midlands 15 towns
- Birmingham £1,920–£10,760
- Burton upon Trent £1,896–£10,290
- Coventry £1,960–£11,530
- Hereford £2,130–£11,610
- Kidderminster £1,896–£10,290
- Newcastle-under-Lyme £1,896–£10,290
- Nuneaton £1,896–£10,290
- Shrewsbury £2,020–£11,020
- Solihull £1,896–£10,290
- Stoke-on-Trent £1,896–£10,290
- Telford £1,896–£10,290
- Walsall £1,896–£10,290
- West Bromwich £1,896–£10,290
- Wolverhampton £2,030–£10,450
- Worcester £2,180–£11,830
Yorkshire and The Humber 14 towns
- Barnsley £1,838–£9,977
- Bradford £1,838–£9,977
- Doncaster £1,838–£9,977
- Grimsby £1,838–£9,977
- Halifax £1,838–£9,977
- Harrogate £1,838–£9,977
- Huddersfield £1,838–£9,977
- Kingston upon Hull £1,838–£9,977
- Leeds £1,940–£10,370
- Rotherham £1,838–£9,977
- Scarborough £1,838–£9,977
- Sheffield £1,970–£10,160
- Wakefield £1,838–£9,977
- York £1,850–£10,450
Town figures are modelled estimates from the Home Energy Quotes Cost Index, adjusted by regional labour and material costs.
Questions people ask about double glazing
How much does double glazing cost in the UK?
Double Glazing in the UK costs between £1,800 and £12,860 installed, depending on system size and where you live. Across the 160 towns we price, the median for a mid-range system is around £5,364 including installation and VAT (modelled estimate).
Is there a grant for double glazing in the UK?
There is no general government grant for double glazing, and windows do not qualify for 0% VAT. Limited help exists: Warm Homes: Local Grant upgrades in England can include glazing, Home Energy Scotland offers interest-free loans, and the Affordable Warmth Scheme in Northern Ireland can replace single-glazed windows.
How long is the payback period in the UK?
The estimated payback period for double glazing in the UK is typically around 53 years, based on estimated savings of up to £104 a year for a typical home. Actual payback depends on your number of windows, property size and current glazing type.
Do I need planning permission for double glazing?
Most double glazing 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.