WindowCost
23.1M EPCs · 326 UK councils · 0 quote-forms

What windows actually cost — by your town

We pulled the full DCLG Energy Performance Certificate dataset and the ONS glass-product price index, then asked the awkward questions. What does a Birmingham terraced sash actually fetch? Which glazing upgrade moves your EPC band the most — and why is it not the one your installer keeps recommending?

Estimate my window cost →
England & Wales — dominant property-era by local authority
Hartlepool: 1945-1964 (21.3%) · 44,641 certs Middlesbrough: pre-1919 (22.1%) · 65,196 certs Redcar and Cleveland: 1965-1980 (23.1%) · 54,373 certs Stockton-on-Tees: 1965-1980 (21.2%) · 77,011 certs Darlington: pre-1919 (30.6%) · 46,145 certs Halton: 1965-1980 (27.8%) · 46,792 certs Warrington: 1965-1980 (17.8%) · 77,480 certs Blackburn with Darwen: pre-1919 (39.3%) · 62,051 certs Blackpool: pre-1919 (37.9%) · 77,542 certs Kingston upon Hull, City of: pre-1919 (22.5%) · 121,163 certs East Riding of Yorkshire: pre-1919 (20.5%) · 132,837 certs North East Lincolnshire: pre-1919 (29.4%) · 64,382 certs North Lincolnshire: 1945-1964 (20.1%) · 60,395 certs York: pre-1919 (21.1%) · 69,587 certs Derby: pre-1919 (24.6%) · 96,108 certs Leicester: pre-1919 (33.1%) · 132,863 certs Rutland: pre-1919 (18.9%) · 14,254 certs Nottingham: pre-1919 (24%) · 154,641 certs Herefordshire, County of: pre-1919 (23.4%) · 72,784 certs Telford and Wrekin: 1965-1980 (25.5%) · 73,220 certs Stoke-on-Trent: pre-1919 (26.4%) · 98,678 certs Bath and North East Somerset: pre-1919 (28%) · 72,334 certs Bristol, City of: pre-1919 (35%) · 176,040 certs North Somerset: 1965-1980 (20.2%) · 85,961 certs South Gloucestershire: 1981-2002 (22.5%) · 97,685 certs Plymouth: pre-1919 (25.6%) · 109,761 certs Torbay: pre-1919 (28.7%) · 58,127 certs Swindon: 1981-2002 (19.3%) · 79,932 certs Peterborough: 1965-1980 (25.1%) · 88,146 certs Luton: 1945-1964 (22.5%) · 75,353 certs Southend-on-Sea: pre-1919 (31.3%) · 66,745 certs Thurrock: 1945-1964 (23.5%) · 57,953 certs Medway: pre-1919 (21%) · 100,309 certs Bracknell Forest: 1965-1980 (29.1%) · 46,790 certs West Berkshire: 1981-2002 (20.2%) · 58,740 certs Reading: pre-1919 (27.4%) · 68,308 certs Slough: 1945-1964 (21.2%) · 51,784 certs Windsor and Maidenhead: 1965-1980 (22.4%) · 54,962 certs Wokingham: 1981-2002 (20.9%) · 57,707 certs Milton Keynes: 1981-2002 (29.1%) · 108,672 certs Brighton and Hove: pre-1919 (42.4%) · 124,069 certs Portsmouth: pre-1919 (37.4%) · 90,008 certs Southampton: 1945-1964 (22%) · 100,665 certs Isle of Wight: pre-1919 (23.2%) · 60,500 certs County Durham: 1945-1964 (22.6%) · 238,535 certs Cheshire East: pre-1919 (19.6%) · 154,419 certs Cheshire West and Chester: 1945-1964 (20.3%) · 132,502 certs Shropshire: pre-1919 (22.4%) · 120,900 certs Cornwall: pre-1919 (25.7%) · 244,852 certs Isles of Scilly: pre-1919 (33.2%) · 1,178 certs Wiltshire: 1981-2002 (17.3%) · 187,022 certs Bedford: 1965-1980 (19.7%) · 69,171 certs Central Bedfordshire: 1965-1980 (18.7%) · 108,101 certs Northumberland: pre-1919 (23%) · 129,987 certs Bournemouth, Christchurch and Poole: 1965-1980 (18.3%) · 160,827 certs Dorset: 1965-1980 (21.1%) · 143,552 certs Buckinghamshire: 1965-1980 (20.7%) · 204,017 certs North Northamptonshire: pre-1919 (16.5%) · 128,806 certs West Northamptonshire: 1965-1980 (21.4%) · 153,302 certs Cumberland: pre-1919 (27.2%) · 106,957 certs Westmorland and Furness: pre-1919 (35.2%) · 94,382 certs North Yorkshire: pre-1919 (28.2%) · 250,915 certs Somerset: pre-1919 (20.4%) · 224,747 certs Cambridge: pre-1919 (20.9%) · 53,048 certs East Cambridgeshire: 1981-2002 (22.3%) · 33,620 certs Fenland: 1981-2002 (21.7%) · 41,134 certs Huntingdonshire: 1965-1980 (24.2%) · 66,297 certs South Cambridgeshire: 1981-2002 (19.1%) · 63,897 certs Amber Valley: pre-1919 (26.3%) · 48,276 certs Bolsover: pre-1919 (24%) · 34,514 certs Chesterfield: 1945-1964 (22.1%) · 41,354 certs Derbyshire Dales: pre-1919 (34%) · 27,824 certs Erewash: pre-1919 (24.9%) · 40,846 certs High Peak: pre-1919 (37%) · 30,780 certs North East Derbyshire: 1945-1964 (27.6%) · 40,149 certs South Derbyshire: 1981-2002 (16.6%) · 41,860 certs East Devon: pre-1919 (19.2%) · 63,720 certs Exeter: pre-1919 (23%) · 48,469 certs Mid Devon: pre-1919 (25.2%) · 30,370 certs North Devon: pre-1919 (28.9%) · 41,332 certs South Hams: pre-1919 (23.4%) · 40,498 certs Teignbridge: pre-1919 (23.6%) · 52,119 certs Torridge: pre-1919 (28.5%) · 29,806 certs West Devon: pre-1919 (31.5%) · 21,895 certs Eastbourne: pre-1919 (26%) · 41,956 certs Hastings: pre-1919 (39.7%) · 43,803 certs Lewes: 1965-1980 (23.1%) · 37,419 certs Rother: pre-1919 (22.8%) · 38,852 certs Wealden: 1965-1980 (18.9%) · 59,246 certs Basildon: 1965-1980 (29.5%) · 60,818 certs Braintree: 1965-1980 (19.8%) · 52,947 certs Brentwood: 1945-1964 (31.5%) · 28,564 certs Castle Point: 1965-1980 (31%) · 26,799 certs Chelmsford: 1965-1980 (19.8%) · 63,907 certs Colchester: 1965-1980 (20.4%) · 72,920 certs Epping Forest: 1945-1964 (24%) · 43,126 certs Harlow: 1945-1964 (45.5%) · 44,285 certs Maldon: 1981-2002 (20.3%) · 23,255 certs Rochford: 1945-1964 (24.9%) · 26,279 certs Tendring: 1965-1980 (21.2%) · 60,619 certs Uttlesford: 1981-2002 (15.1%) · 31,309 certs Cheltenham: pre-1919 (25.5%) · 48,051 certs Cotswold: pre-1919 (23.9%) · 37,226 certs Forest of Dean: pre-1919 (24.3%) · 31,056 certs Gloucester: pre-1919 (20.1%) · 49,428 certs Stroud: pre-1919 (22.9%) · 43,667 certs Tewkesbury: 1981-2002 (18.7%) · 36,716 certs Basingstoke and Deane: 1965-1980 (24.8%) · 64,811 certs East Hampshire: 1965-1980 (20.3%) · 44,733 certs Eastleigh: 1981-2002 (20%) · 48,499 certs Fareham: 1981-2002 (22.4%) · 35,962 certs Gosport: 1945-1964 (23.9%) · 30,766 certs Hart: 1965-1980 (24.1%) · 33,376 certs Havant: 1945-1964 (33.3%) · 44,869 certs New Forest: 1965-1980 (25.7%) · 62,279 certs Rushmoor: 1981-2002 (19.1%) · 39,538 certs Test Valley: 1965-1980 (21.1%) · 46,136 certs Winchester: 1981-2002 (17.1%) · 47,554 certs Broxbourne: 1965-1980 (28%) · 32,888 certs Dacorum: 1945-1964 (27%) · 54,496 certs Hertsmere: 1945-1964 (26.6%) · 35,640 certs North Hertfordshire: 1965-1980 (19.9%) · 52,224 certs Three Rivers: 1945-1964 (24.3%) · 30,472 certs Watford: pre-1919 (23.8%) · 36,062 certs Ashford: 1965-1980 (18.2%) · 48,529 certs Canterbury: 1965-1980 (18.9%) · 58,922 certs Dartford: 1981-2002 (14.2%) · 41,446 certs Dover: pre-1919 (26.7%) · 48,012 certs Gravesham: 1945-1964 (21%) · 37,450 certs Maidstone: 1965-1980 (16.9%) · 66,419 certs Sevenoaks: 1945-1964 (19.3%) · 37,197 certs Folkestone and Hythe: pre-1919 (26.8%) · 48,078 certs Swale: pre-1919 (19%) · 53,917 certs Thanet: pre-1919 (31.1%) · 66,542 certs Tonbridge and Malling: pre-1919 (16.4%) · 43,581 certs Tunbridge Wells: pre-1919 (31.1%) · 44,638 certs Burnley: pre-1919 (52.9%) · 43,341 certs Chorley: pre-1919 (20.3%) · 41,208 certs Fylde: pre-1919 (23.7%) · 35,910 certs Hyndburn: pre-1919 (54.5%) · 34,326 certs Lancaster: pre-1919 (33.2%) · 51,278 certs Pendle: pre-1919 (58.8%) · 39,863 certs Preston: pre-1919 (27.2%) · 64,575 certs Ribble Valley: pre-1919 (28.9%) · 22,330 certs Rossendale: pre-1919 (41.7%) · 26,800 certs South Ribble: 1965-1980 (18.3%) · 38,021 certs West Lancashire: 1965-1980 (32.8%) · 43,176 certs Wyre: 1945-1964 (20.1%) · 44,716 certs Blaby: 1945-1964 (18.9%) · 32,485 certs Charnwood: 1965-1980 (17.9%) · 64,375 certs Harborough: 1981-2002 (19.1%) · 35,904 certs Hinckley and Bosworth: 1965-1980 (18.6%) · 41,514 certs Melton: pre-1919 (20.9%) · 19,639 certs North West Leicestershire: pre-1919 (16.8%) · 45,113 certs Oadby and Wigston: 1945-1964 (25%) · 19,363 certs Boston: pre-1919 (20.3%) · 29,600 certs East Lindsey: pre-1919 (20.6%) · 65,972 certs Lincoln: pre-1919 (29%) · 37,545 certs North Kesteven: 1981-2002 (20.2%) · 46,182 certs South Holland: 1981-2002 (19.2%) · 39,591 certs South Kesteven: 1981-2002 (18.6%) · 55,861 certs West Lindsey: pre-1919 (21.4%) · 40,512 certs Breckland: 1965-1980 (24.4%) · 53,950 certs Broadland: 1981-2002 (20.7%) · 45,786 certs Great Yarmouth: pre-1919 (30.1%) · 40,805 certs King's Lynn and West Norfolk: 1965-1980 (20.6%) · 68,086 certs North Norfolk: pre-1919 (24.5%) · 46,318 certs Norwich: pre-1919 (25.4%) · 59,258 certs South Norfolk: 1965-1980 (18.3%) · 53,359 certs Ashfield: pre-1919 (22.1%) · 48,682 certs Bassetlaw: 1945-1964 (17.8%) · 51,269 certs Broxtowe: 1965-1980 (19.9%) · 38,507 certs Gedling: 1965-1980 (24.7%) · 45,127 certs Mansfield: pre-1919 (20.5%) · 44,353 certs Newark and Sherwood: 1945-1964 (19.4%) · 48,666 certs Rushcliffe: 1965-1980 (16.9%) · 44,292 certs Cherwell: 1981-2002 (19.9%) · 59,636 certs Oxford: pre-1919 (20.5%) · 58,024 certs South Oxfordshire: 1981-2002 (18.6%) · 53,816 certs Vale of White Horse: 1965-1980 (16.7%) · 55,372 certs West Oxfordshire: 1965-1980 (17.4%) · 43,873 certs Cannock Chase: 1965-1980 (22%) · 37,180 certs East Staffordshire: pre-1919 (24.8%) · 49,809 certs Lichfield: 1965-1980 (21.1%) · 36,984 certs Newcastle-under-Lyme: 1945-1964 (24.7%) · 42,723 certs South Staffordshire: 1965-1980 (25%) · 33,110 certs Stafford: 1945-1964 (18.4%) · 49,281 certs Staffordshire Moorlands: pre-1919 (24.6%) · 32,383 certs Tamworth: 1965-1980 (33.4%) · 25,365 certs Babergh: 1965-1980 (22.1%) · 33,727 certs Ipswich: pre-1919 (25%) · 54,865 certs Mid Suffolk: 1981-2002 (18.8%) · 38,938 certs Elmbridge: pre-1919 (16.9%) · 48,746 certs Epsom and Ewell: 1919-1944 (27.6%) · 25,285 certs Guildford: 1945-1964 (19.8%) · 51,230 certs Mole Valley: pre-1919 (18.3%) · 29,978 certs Reigate and Banstead: 1945-1964 (19.7%) · 55,321 certs Runnymede: 1981-2002 (17.6%) · 31,862 certs Spelthorne: 1945-1964 (23.8%) · 39,129 certs Surrey Heath: 1965-1980 (25.8%) · 29,641 certs Tandridge: 1945-1964 (18.9%) · 30,288 certs Waverley: pre-1919 (20.4%) · 44,524 certs Woking: 1965-1980 (24.9%) · 39,098 certs North Warwickshire: 1945-1964 (21.7%) · 24,758 certs Nuneaton and Bedworth: pre-1919 (17%) · 49,283 certs Rugby: pre-1919 (17.5%) · 41,306 certs Stratford-on-Avon: 1981-2002 (16%) · 60,826 certs Warwick: pre-1919 (17.8%) · 59,540 certs Adur: 1945-1964 (25.3%) · 21,998 certs Arun: 1965-1980 (23.2%) · 65,411 certs Chichester: 1965-1980 (17.2%) · 50,287 certs Crawley: 1945-1964 (27.6%) · 35,882 certs Horsham: 1965-1980 (20.9%) · 52,037 certs Mid Sussex: 1965-1980 (18.5%) · 56,187 certs Worthing: pre-1919 (21%) · 43,675 certs Bromsgrove: 1981-2002 (18.9%) · 31,030 certs Malvern Hills: pre-1919 (23.3%) · 31,415 certs Redditch: 1965-1980 (39.1%) · 29,943 certs Worcester: 1981-2002 (21.8%) · 42,035 certs Wychavon: 1981-2002 (18.9%) · 50,609 certs Wyre Forest: 1965-1980 (19.9%) · 36,244 certs St Albans: 1945-1964 (22.3%) · 51,447 certs Welwyn Hatfield: 1945-1964 (32.1%) · 44,531 certs East Hertfordshire: 1981-2002 (20.2%) · 50,843 certs Stevenage: 1945-1964 (35.4%) · 35,462 certs East Suffolk: pre-1919 (25.2%) · 100,621 certs West Suffolk: 1965-1980 (25.4%) · 70,698 certs Bolton: pre-1919 (28.8%) · 105,451 certs Bury: pre-1919 (26%) · 72,156 certs Manchester: pre-1919 (26%) · 258,746 certs Oldham: pre-1919 (35.2%) · 90,447 certs Rochdale: pre-1919 (26.1%) · 84,714 certs Salford: pre-1919 (16.8%) · 138,298 certs Stockport: pre-1919 (21.7%) · 100,604 certs Tameside: pre-1919 (23.8%) · 95,451 certs Trafford: 1919-1944 (21.7%) · 81,963 certs Wigan: pre-1919 (25.4%) · 116,266 certs Knowsley: 1945-1964 (31.9%) · 68,565 certs Liverpool: pre-1919 (37.2%) · 233,640 certs St. Helens: 1945-1964 (20.9%) · 75,963 certs Sefton: pre-1919 (30.9%) · 112,279 certs Wirral: pre-1919 (30.2%) · 130,079 certs Barnsley: pre-1919 (23.4%) · 97,945 certs Doncaster: pre-1919 (23.7%) · 125,340 certs Rotherham: 1945-1964 (22.5%) · 98,397 certs Sheffield: pre-1919 (23.4%) · 210,501 certs Newcastle upon Tyne: pre-1919 (24.2%) · 115,059 certs North Tyneside: 1945-1964 (21.3%) · 79,256 certs South Tyneside: 1945-1964 (29.7%) · 62,095 certs Sunderland: 1945-1964 (28.1%) · 143,816 certs Birmingham: pre-1919 (24.5%) · 458,709 certs Coventry: 1945-1964 (22.8%) · 146,968 certs Dudley: 1945-1964 (28.3%) · 115,650 certs Sandwell: 1945-1964 (20.6%) · 120,552 certs Solihull: 1965-1980 (27%) · 74,353 certs Walsall: 1945-1964 (28.4%) · 102,227 certs Wolverhampton: 1945-1964 (23.2%) · 93,466 certs Bradford: pre-1919 (39.8%) · 231,420 certs Calderdale: pre-1919 (41.7%) · 86,129 certs Kirklees: pre-1919 (32.3%) · 151,092 certs Leeds: pre-1919 (24.7%) · 327,944 certs Wakefield: 1919-1944 (27%) · 172,122 certs Gateshead: 1945-1964 (23.5%) · 74,622 certs City of London: pre-1919 (21%) · 6,998 certs Barking and Dagenham: 1919-1944 (32.4%) · 77,411 certs Barnet: 1919-1944 (25%) · 152,033 certs Bexley: 1919-1944 (28.8%) · 85,196 certs Brent: pre-1919 (29.3%) · 121,306 certs Bromley: 1919-1944 (21.1%) · 113,697 certs Camden: pre-1919 (46.1%) · 100,672 certs Croydon: pre-1919 (28%) · 144,124 certs Ealing: pre-1919 (26.6%) · 135,384 certs Enfield: 1919-1944 (27.6%) · 115,388 certs Greenwich: pre-1919 (21.2%) · 110,593 certs Hackney: pre-1919 (33.5%) · 108,193 certs Hammersmith and Fulham: pre-1919 (51%) · 94,776 certs Haringey: pre-1919 (46.2%) · 110,654 certs Harrow: 1919-1944 (36.1%) · 82,258 certs Havering: 1919-1944 (30.3%) · 84,644 certs Hillingdon: 1919-1944 (26.2%) · 101,155 certs Hounslow: 1919-1944 (21.6%) · 92,522 certs Islington: pre-1919 (37.2%) · 102,998 certs Kensington and Chelsea: pre-1919 (62.8%) · 88,410 certs Kingston upon Thames: 1919-1944 (23.3%) · 64,025 certs Lambeth: pre-1919 (39.8%) · 153,325 certs Lewisham: pre-1919 (33.8%) · 132,134 certs Merton: pre-1919 (30.8%) · 72,313 certs Newham: pre-1919 (30.2%) · 134,935 certs Redbridge: 1919-1944 (28.6%) · 89,890 certs Richmond upon Thames: pre-1919 (38.8%) · 67,172 certs Southwark: pre-1919 (26%) · 122,769 certs Sutton: 1919-1944 (25.5%) · 75,155 certs Tower Hamlets: 2003-plus (17.7%) · 142,138 certs Waltham Forest: pre-1919 (40.9%) · 106,572 certs Wandsworth: pre-1919 (39.6%) · 148,094 certs Westminster: pre-1919 (49.1%) · 129,237 certs Isle of Anglesey: pre-1919 (28.2%) · 31,423 certs Gwynedd: pre-1919 (46%) · 47,782 certs Conwy: pre-1919 (33.3%) · 47,503 certs Denbighshire: pre-1919 (26.6%) · 40,491 certs Flintshire: 1965-1980 (20.5%) · 55,964 certs Wrexham: 1945-1964 (23.1%) · 45,452 certs Ceredigion: pre-1919 (39.7%) · 31,641 certs Pembrokeshire: pre-1919 (29.1%) · 48,343 certs Carmarthenshire: pre-1919 (36.6%) · 71,773 certs Swansea: pre-1919 (29.8%) · 85,951 certs Neath Port Talbot: pre-1919 (31.7%) · 53,048 certs Bridgend: pre-1919 (25.1%) · 50,738 certs Vale of Glamorgan: pre-1919 (23.7%) · 50,881 certs Cardiff: pre-1919 (26.2%) · 147,501 certs Rhondda Cynon Taf: pre-1919 (50.2%) · 88,749 certs Caerphilly: pre-1919 (30.9%) · 61,248 certs Blaenau Gwent: pre-1919 (51.4%) · 24,401 certs Torfaen: 1945-1964 (30.1%) · 33,507 certs Monmouthshire: pre-1919 (20.8%) · 33,702 certs Newport: pre-1919 (22.7%) · 56,267 certs Powys: pre-1919 (31.4%) · 51,902 certs Merthyr Tydfil: pre-1919 (39%) · 23,496 certs
Pre-19191919-19441945-19641965-19801981-20022003+

318 English & Welsh local authorities, coloured by their largest single property-era bucket from 23,130,105 EPCs. Boundaries: ONS BUC Dec-2024, OGL v3.

23.1M
Energy Performance Certificates aggregated
DCLG bulk · OGL v3
326
English & Welsh councils mapped
build-town-epc-era.mjs
8,174
Conservation areas across 308 LPAs
Historic England · OGL v3
+44.5%
UK glass PPI vs 2015
ONS G32E · 2026 MAR
41
Cost guides — every number cited
Methodology link in every byline

How UK housing breaks down by era

The map colours each local authority by its largest single bucket. The bar below shows the national rollup — what proportion of England & Wales housing stock falls into each era. Different lens, same data.

Pre-1919: 22.4% (5,175,705 certs) 22.4%Pre-1919 1919-1944: 12% (2,778,771 certs) 12%1919-1944 1945-1964: 15.6% (3,618,024 certs) 15.6%1945-1964 1965-1980: 16% (3,710,140 certs) 16%1965-1980 1981-2002: 12.9% (2,989,126 certs) 12.9%1981-2002 2003+: 6.9% (1,593,293 certs) 6.9%
2003+ 6.9%

Pre-1919 is the dominant national bucket at 22.4%. Source: DCLG EPC bulk, OGL v3.

Live estimate · no email required

What will your windows cost?

Six questions. Real numbers from ONS labour indices and UK supplier quotes, refreshed monthly. The price shows before any email field.

1 Project type
2 Window style (multi-select)
3 How many windows?
4 Glazing

5 Material
6 Postcode (UK)

How we calculated this

—

Sources: ONS regional labour indices · FENSA installer averages · supplier quote panel (updated monthly).

Featured research · 23.1M-cert evidence base

EPC Band Uplift by Glazing Type: Evidence from 23 Million UK Homes

How many EPC bands does new glazing actually move a UK home, broken down by single, double (pre and post 2002), triple, and secondary glazing — based on the full DCLG domestic EPC dataset.

Secondary glazing avg band uplift 1.93 — beats triple at 1.44. The reason isn't what your installer will tell you. Read the full breakdown →

Pick your town

61 UK towns with regional price adjustments. Click through for material and window-type breakdowns.

Aberdeen

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Bath

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Belfast

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Birmingham

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Blackpool

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Bolton

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Bournemouth

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Bradford

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Brighton

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Bristol

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Cambridge

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Cardiff

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Carlisle

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Chester

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Coventry

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Derby

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Show all 61 towns →

Doncaster

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Dundee

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Durham

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Edinburgh

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Exeter

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Glasgow

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Gloucester

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Harrogate

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Huddersfield

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Hull

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Inverness

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Ipswich

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Lancaster

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Leeds

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Leicester

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Liverpool

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London

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Luton

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Manchester

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Middlesbrough

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Milton Keynes

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Newcastle

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Norwich

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Nottingham

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Oldham

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Oxford

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Perth

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Peterborough

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Plymouth

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Portsmouth

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Preston

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Reading

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Sheffield

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Slough

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Southampton

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Stirling

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Stoke

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Sunderland

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Swansea

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Swindon

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Wakefield

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Warrington

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Wolverhampton

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Worcester

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York

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Cost guides — by editorial desk

Each desk is a named editor with a public bio and source-cited beat. No anonymous content.

Frame & glazing tech

Edited by Owain Price · 17 guides

Aluminium Windows Pros and Cons: Is it Worth the Premium?

An expert analysis of aluminium window systems in the UK, covering thermal breaks, lifespan, carbon cost, and a comparison with uPVC and timber.

Argon vs Krypton Gas Fill: Which Window Insulation is Best for UK Homes?

A technical comparison of Argon and Krypton gas fills in double and triple glazing, exploring U-value improvements, costs, and long-term efficiency for UK homeowners.

Bay Window Cost UK: Pricing for Angled and Square Bays

guide to the cost of replacing or installing bay windows in the UK, comparing uPVC, aluminium, and timber options.

Installation & regulations

Edited by Dan Richardson · 13 guides

Aluminium Bifold Door Costs UK: Origin vs Smart vs Sunflex

guide to the pricing, specifications, and installation costs of aluminium bifold doors in the UK, comparing top brands like Origin and Smart Systems.

Back Door Security Rating: PAS 24, Part Q and Secured by Design Explained

How to choose a back door that meets UK security standards including PAS 24, Building Regulations Part Q, and Secured by Design certification.

Bifold Door Cost UK: Aluminium vs uPVC Bifolds

A pricing guide for bifold doors in the UK, comparing aluminium systems like Origin and Smart Systems against uPVC options.

Heritage & conservation

Edited by Freya Hartwell · 7 guides

Article 4 Directions and Window Replacement: UK Planning Rules

How Article 4 Directions remove permitted development rights for windows in UK conservation areas.

Conservation Area Windows: Article 4 Directions and Listed Building Consent

A guide to window replacement laws in UK conservation areas, covering Article 4 directions, listed building consent, and heritage grants.

Sash Window Draught Proofing: Costs and Best Methods

A professional guide to draught-proofing traditional sash windows in the UK, covering strip methods, sealants, and estimated installation costs.

Grants & finance

Edited by Priya Ahmed · 3 guides

ECO4, HUG2, and GBIS Eligibility: How to Get Free Windows and Insulation

guide to UK government energy grants, including ECO4, HUG2, and the Great British Insulation Scheme (GBIS), for homeowners and tenants.

ECO4 Window Grant Eligibility: Income, EPC and Measure Criteria

How to qualify for free or subsidised windows through ECO4 — income thresholds, EPC band requirements, and the measure rules that catch people out.

Window Replacement Finance UK: Novuna, Ideal4Finance and FCA-Aware Borrowing

How to finance window replacements in the UK — hire purchase, personal loans and 0% credit, with FCA rules and total-cost comparisons.

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